var __defProp = Object.defineProperty;
var __markAsModule = (target) => __defProp(target, "__esModule", { value: true });
var __export = (target, all) => {
  __markAsModule(target);
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};

// dist/browser/lib/buffer_utils.js
var encoder = new TextEncoder();
var decoder = new TextDecoder();
var MAX_INT32 = 2 ** 32;
function concat(...buffers) {
  const size = buffers.reduce((acc, { length }) => acc + length, 0);
  const buf = new Uint8Array(size);
  let i = 0;
  buffers.forEach((buffer) => {
    buf.set(buffer, i);
    i += buffer.length;
  });
  return buf;
}
function p2s(alg, p2sInput) {
  return concat(encoder.encode(alg), new Uint8Array([0]), p2sInput);
}
function writeUInt32BE(buf, value, offset) {
  if (value < 0 || value >= MAX_INT32) {
    throw new RangeError(`value must be >= 0 and <= ${MAX_INT32 - 1}. Received ${value}`);
  }
  buf.set([value >>> 24, value >>> 16, value >>> 8, value & 255], offset);
}
function uint64be(value) {
  const high = Math.floor(value / MAX_INT32);
  const low = value % MAX_INT32;
  const buf = new Uint8Array(8);
  writeUInt32BE(buf, high, 0);
  writeUInt32BE(buf, low, 4);
  return buf;
}
function uint32be(value) {
  const buf = new Uint8Array(4);
  writeUInt32BE(buf, value);
  return buf;
}
function lengthAndInput(input) {
  return concat(uint32be(input.length), input);
}
async function concatKdf(digest2, secret, bits, value) {
  const iterations = Math.ceil((bits >> 3) / 32);
  let res;
  for (let iter = 1; iter <= iterations; iter++) {
    const buf = new Uint8Array(4 + secret.length + value.length);
    buf.set(uint32be(iter));
    buf.set(secret, 4);
    buf.set(value, 4 + secret.length);
    if (!res) {
      res = await digest2("sha256", buf);
    } else {
      res = concat(res, await digest2("sha256", buf));
    }
  }
  res = res.slice(0, bits >> 3);
  return res;
}

// dist/browser/runtime/base64url.js
var encodeBase64 = (input) => {
  let unencoded = input;
  if (typeof unencoded === "string") {
    unencoded = encoder.encode(unencoded);
  }
  const CHUNK_SIZE = 32768;
  const arr = [];
  for (let i = 0; i < unencoded.length; i += CHUNK_SIZE) {
    arr.push(String.fromCharCode.apply(null, unencoded.subarray(i, i + CHUNK_SIZE)));
  }
  return btoa(arr.join(""));
};
var encode = (input) => {
  return encodeBase64(input).replace(/=/g, "").replace(/\+/g, "-").replace(/\//g, "_");
};
var decodeBase64 = (encoded) => {
  return new Uint8Array(atob(encoded).split("").map((c) => c.charCodeAt(0)));
};
var decode = (input) => {
  let encoded = input;
  if (encoded instanceof Uint8Array) {
    encoded = decoder.decode(encoded);
  }
  encoded = encoded.replace(/-/g, "+").replace(/_/g, "/").replace(/\s/g, "");
  try {
    return decodeBase64(encoded);
  } catch (_a) {
    throw new TypeError("The input to be decoded is not correctly encoded.");
  }
};

// dist/browser/util/errors.js
var errors_exports = {};
__export(errors_exports, {
  JOSEAlgNotAllowed: () => JOSEAlgNotAllowed,
  JOSEError: () => JOSEError,
  JOSENotSupported: () => JOSENotSupported,
  JWEDecryptionFailed: () => JWEDecryptionFailed,
  JWEInvalid: () => JWEInvalid,
  JWKInvalid: () => JWKInvalid,
  JWKSInvalid: () => JWKSInvalid,
  JWKSMultipleMatchingKeys: () => JWKSMultipleMatchingKeys,
  JWKSNoMatchingKey: () => JWKSNoMatchingKey,
  JWKSTimeout: () => JWKSTimeout,
  JWSInvalid: () => JWSInvalid,
  JWSSignatureVerificationFailed: () => JWSSignatureVerificationFailed,
  JWTClaimValidationFailed: () => JWTClaimValidationFailed,
  JWTExpired: () => JWTExpired,
  JWTInvalid: () => JWTInvalid
});
var JOSEError = class extends Error {
  constructor(message) {
    var _a;
    super(message);
    this.code = "ERR_JOSE_GENERIC";
    this.name = this.constructor.name;
    (_a = Error.captureStackTrace) === null || _a === void 0 ? void 0 : _a.call(Error, this, this.constructor);
  }
  static get code() {
    return "ERR_JOSE_GENERIC";
  }
};
var JWTClaimValidationFailed = class extends JOSEError {
  constructor(message, claim = "unspecified", reason = "unspecified") {
    super(message);
    this.code = "ERR_JWT_CLAIM_VALIDATION_FAILED";
    this.claim = claim;
    this.reason = reason;
  }
  static get code() {
    return "ERR_JWT_CLAIM_VALIDATION_FAILED";
  }
};
var JWTExpired = class extends JOSEError {
  constructor(message, claim = "unspecified", reason = "unspecified") {
    super(message);
    this.code = "ERR_JWT_EXPIRED";
    this.claim = claim;
    this.reason = reason;
  }
  static get code() {
    return "ERR_JWT_EXPIRED";
  }
};
var JOSEAlgNotAllowed = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JOSE_ALG_NOT_ALLOWED";
  }
  static get code() {
    return "ERR_JOSE_ALG_NOT_ALLOWED";
  }
};
var JOSENotSupported = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JOSE_NOT_SUPPORTED";
  }
  static get code() {
    return "ERR_JOSE_NOT_SUPPORTED";
  }
};
var JWEDecryptionFailed = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWE_DECRYPTION_FAILED";
    this.message = "decryption operation failed";
  }
  static get code() {
    return "ERR_JWE_DECRYPTION_FAILED";
  }
};
var JWEInvalid = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWE_INVALID";
  }
  static get code() {
    return "ERR_JWE_INVALID";
  }
};
var JWSInvalid = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWS_INVALID";
  }
  static get code() {
    return "ERR_JWS_INVALID";
  }
};
var JWTInvalid = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWT_INVALID";
  }
  static get code() {
    return "ERR_JWT_INVALID";
  }
};
var JWKInvalid = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWK_INVALID";
  }
  static get code() {
    return "ERR_JWK_INVALID";
  }
};
var JWKSInvalid = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWKS_INVALID";
  }
  static get code() {
    return "ERR_JWKS_INVALID";
  }
};
var JWKSNoMatchingKey = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWKS_NO_MATCHING_KEY";
    this.message = "no applicable key found in the JSON Web Key Set";
  }
  static get code() {
    return "ERR_JWKS_NO_MATCHING_KEY";
  }
};
var JWKSMultipleMatchingKeys = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWKS_MULTIPLE_MATCHING_KEYS";
    this.message = "multiple matching keys found in the JSON Web Key Set";
  }
  static get code() {
    return "ERR_JWKS_MULTIPLE_MATCHING_KEYS";
  }
};
var JWKSTimeout = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWKS_TIMEOUT";
    this.message = "request timed out";
  }
  static get code() {
    return "ERR_JWKS_TIMEOUT";
  }
};
var JWSSignatureVerificationFailed = class extends JOSEError {
  constructor() {
    super(...arguments);
    this.code = "ERR_JWS_SIGNATURE_VERIFICATION_FAILED";
    this.message = "signature verification failed";
  }
  static get code() {
    return "ERR_JWS_SIGNATURE_VERIFICATION_FAILED";
  }
};

// dist/browser/runtime/webcrypto.js
var webcrypto_default = crypto;
function isCryptoKey(key) {
  try {
    return key != null && typeof key.extractable === "boolean" && typeof key.algorithm.name === "string" && typeof key.type === "string";
  } catch (_a) {
    return false;
  }
}

// dist/browser/runtime/random.js
var random_default = webcrypto_default.getRandomValues.bind(webcrypto_default);

// dist/browser/lib/iv.js
function bitLength(alg) {
  switch (alg) {
    case "A128CBC-HS256":
      return 128;
    case "A128GCM":
      return 96;
    case "A128GCMKW":
      return 96;
    case "A192CBC-HS384":
      return 128;
    case "A192GCM":
      return 96;
    case "A192GCMKW":
      return 96;
    case "A256CBC-HS512":
      return 128;
    case "A256GCM":
      return 96;
    case "A256GCMKW":
      return 96;
    default:
      throw new JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
  }
}
var iv_default = (alg) => random_default(new Uint8Array(bitLength(alg) >> 3));

// dist/browser/lib/check_iv_length.js
var checkIvLength = (enc, iv) => {
  if (iv.length << 3 !== bitLength(enc)) {
    throw new JWEInvalid("Invalid Initialization Vector length");
  }
};
var check_iv_length_default = checkIvLength;

// dist/browser/runtime/check_cek_length.js
var checkCekLength = (cek, expected) => {
  if (cek.length << 3 !== expected) {
    throw new JWEInvalid("Invalid Content Encryption Key length");
  }
};
var check_cek_length_default = checkCekLength;

// dist/browser/runtime/timing_safe_equal.js
var timingSafeEqual = (a, b) => {
  if (!(a instanceof Uint8Array)) {
    throw new TypeError("First argument must be a buffer");
  }
  if (!(b instanceof Uint8Array)) {
    throw new TypeError("Second argument must be a buffer");
  }
  if (a.length !== b.length) {
    throw new TypeError("Input buffers must have the same length");
  }
  const len = a.length;
  let out = 0;
  let i = -1;
  while (++i < len) {
    out |= a[i] ^ b[i];
  }
  return out === 0;
};
var timing_safe_equal_default = timingSafeEqual;

// dist/browser/runtime/env.js
function isCloudflareWorkers() {
  return typeof WebSocketPair === "function";
}
function isNodeJs() {
  try {
    return process.versions.node !== void 0;
  } catch (_a) {
    return false;
  }
}

// dist/browser/lib/crypto_key.js
function unusable(name, prop = "algorithm.name") {
  return new TypeError(`CryptoKey does not support this operation, its ${prop} must be ${name}`);
}
function isAlgorithm(algorithm, name) {
  return algorithm.name === name;
}
function getHashLength(hash) {
  return parseInt(hash.name.substr(4), 10);
}
function getNamedCurve(alg) {
  switch (alg) {
    case "ES256":
      return "P-256";
    case "ES384":
      return "P-384";
    case "ES512":
      return "P-521";
    default:
      throw new Error("unreachable");
  }
}
function checkUsage(key, usages) {
  if (usages.length && !usages.some((expected) => key.usages.includes(expected))) {
    let msg = "CryptoKey does not support this operation, its usages must include ";
    if (usages.length > 2) {
      const last = usages.pop();
      msg += `one of ${usages.join(", ")}, or ${last}.`;
    } else if (usages.length === 2) {
      msg += `one of ${usages[0]} or ${usages[1]}.`;
    } else {
      msg += `${usages[0]}.`;
    }
    throw new TypeError(msg);
  }
}
function checkSigCryptoKey(key, alg, ...usages) {
  switch (alg) {
    case "HS256":
    case "HS384":
    case "HS512": {
      if (!isAlgorithm(key.algorithm, "HMAC"))
        throw unusable("HMAC");
      const expected = parseInt(alg.substr(2), 10);
      const actual = getHashLength(key.algorithm.hash);
      if (actual !== expected)
        throw unusable(`SHA-${expected}`, "algorithm.hash");
      break;
    }
    case "RS256":
    case "RS384":
    case "RS512": {
      if (!isAlgorithm(key.algorithm, "RSASSA-PKCS1-v1_5"))
        throw unusable("RSASSA-PKCS1-v1_5");
      const expected = parseInt(alg.substr(2), 10);
      const actual = getHashLength(key.algorithm.hash);
      if (actual !== expected)
        throw unusable(`SHA-${expected}`, "algorithm.hash");
      break;
    }
    case "PS256":
    case "PS384":
    case "PS512": {
      if (!isAlgorithm(key.algorithm, "RSA-PSS"))
        throw unusable("RSA-PSS");
      const expected = parseInt(alg.substr(2), 10);
      const actual = getHashLength(key.algorithm.hash);
      if (actual !== expected)
        throw unusable(`SHA-${expected}`, "algorithm.hash");
      break;
    }
    case (isNodeJs() && "EdDSA"): {
      if (key.algorithm.name !== "NODE-ED25519" && key.algorithm.name !== "NODE-ED448")
        throw unusable("NODE-ED25519 or NODE-ED448");
      break;
    }
    case (isCloudflareWorkers() && "EdDSA"): {
      if (!isAlgorithm(key.algorithm, "NODE-ED25519"))
        throw unusable("NODE-ED25519");
      break;
    }
    case "ES256":
    case "ES384":
    case "ES512": {
      if (!isAlgorithm(key.algorithm, "ECDSA"))
        throw unusable("ECDSA");
      const expected = getNamedCurve(alg);
      const actual = key.algorithm.namedCurve;
      if (actual !== expected)
        throw unusable(expected, "algorithm.namedCurve");
      break;
    }
    default:
      throw new TypeError("CryptoKey does not support this operation");
  }
  checkUsage(key, usages);
}
function checkEncCryptoKey(key, alg, ...usages) {
  switch (alg) {
    case "A128GCM":
    case "A192GCM":
    case "A256GCM": {
      if (!isAlgorithm(key.algorithm, "AES-GCM"))
        throw unusable("AES-GCM");
      const expected = parseInt(alg.substr(1, 3), 10);
      const actual = key.algorithm.length;
      if (actual !== expected)
        throw unusable(expected, "algorithm.length");
      break;
    }
    case "A128KW":
    case "A192KW":
    case "A256KW": {
      if (!isAlgorithm(key.algorithm, "AES-KW"))
        throw unusable("AES-KW");
      const expected = parseInt(alg.substr(1, 3), 10);
      const actual = key.algorithm.length;
      if (actual !== expected)
        throw unusable(expected, "algorithm.length");
      break;
    }
    case "ECDH-ES":
      if (!isAlgorithm(key.algorithm, "ECDH"))
        throw unusable("ECDH");
      break;
    case "PBES2-HS256+A128KW":
    case "PBES2-HS384+A192KW":
    case "PBES2-HS512+A256KW":
      if (!isAlgorithm(key.algorithm, "PBKDF2"))
        throw unusable("PBKDF2");
      break;
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512": {
      if (!isAlgorithm(key.algorithm, "RSA-OAEP"))
        throw unusable("RSA-OAEP");
      const expected = parseInt(alg.substr(9), 10) || 1;
      const actual = getHashLength(key.algorithm.hash);
      if (actual !== expected)
        throw unusable(`SHA-${expected}`, "algorithm.hash");
      break;
    }
    default:
      throw new TypeError("CryptoKey does not support this operation");
  }
  checkUsage(key, usages);
}

// dist/browser/lib/invalid_key_input.js
var invalid_key_input_default = (actual, ...types2) => {
  let msg = "Key must be ";
  if (types2.length > 2) {
    const last = types2.pop();
    msg += `one of type ${types2.join(", ")}, or ${last}.`;
  } else if (types2.length === 2) {
    msg += `one of type ${types2[0]} or ${types2[1]}.`;
  } else {
    msg += `of type ${types2[0]}.`;
  }
  if (actual == null) {
    msg += ` Received ${actual}`;
  } else if (typeof actual === "function" && actual.name) {
    msg += ` Received function ${actual.name}`;
  } else if (typeof actual === "object" && actual != null) {
    if (actual.constructor && actual.constructor.name) {
      msg += ` Received an instance of ${actual.constructor.name}`;
    }
  }
  return msg;
};

// dist/browser/runtime/decrypt.js
async function cbcDecrypt(enc, cek, ciphertext, iv, tag, aad) {
  if (!(cek instanceof Uint8Array)) {
    throw new TypeError(invalid_key_input_default(cek, "Uint8Array"));
  }
  const keySize = parseInt(enc.substr(1, 3), 10);
  const encKey = await webcrypto_default.subtle.importKey("raw", cek.subarray(keySize >> 3), "AES-CBC", false, ["decrypt"]);
  const macKey = await webcrypto_default.subtle.importKey("raw", cek.subarray(0, keySize >> 3), {
    hash: `SHA-${keySize << 1}`,
    name: "HMAC"
  }, false, ["sign"]);
  const macData = concat(aad, iv, ciphertext, uint64be(aad.length << 3));
  const expectedTag = new Uint8Array((await webcrypto_default.subtle.sign("HMAC", macKey, macData)).slice(0, keySize >> 3));
  let macCheckPassed;
  try {
    macCheckPassed = timing_safe_equal_default(tag, expectedTag);
  } catch (_a) {
  }
  if (!macCheckPassed) {
    throw new JWEDecryptionFailed();
  }
  let plaintext;
  try {
    plaintext = new Uint8Array(await webcrypto_default.subtle.decrypt({ iv, name: "AES-CBC" }, encKey, ciphertext));
  } catch (_b) {
  }
  if (!plaintext) {
    throw new JWEDecryptionFailed();
  }
  return plaintext;
}
async function gcmDecrypt(enc, cek, ciphertext, iv, tag, aad) {
  let encKey;
  if (cek instanceof Uint8Array) {
    encKey = await webcrypto_default.subtle.importKey("raw", cek, "AES-GCM", false, ["decrypt"]);
  } else {
    checkEncCryptoKey(cek, enc, "decrypt");
    encKey = cek;
  }
  try {
    return new Uint8Array(await webcrypto_default.subtle.decrypt({
      additionalData: aad,
      iv,
      name: "AES-GCM",
      tagLength: 128
    }, encKey, concat(ciphertext, tag)));
  } catch (_a) {
    throw new JWEDecryptionFailed();
  }
}
var decrypt = async (enc, cek, ciphertext, iv, tag, aad) => {
  if (!isCryptoKey(cek) && !(cek instanceof Uint8Array)) {
    throw new TypeError(invalid_key_input_default(cek, "CryptoKey", "Uint8Array"));
  }
  check_iv_length_default(enc, iv);
  switch (enc) {
    case "A128CBC-HS256":
    case "A192CBC-HS384":
    case "A256CBC-HS512":
      if (cek instanceof Uint8Array)
        check_cek_length_default(cek, parseInt(enc.substr(-3), 10));
      return cbcDecrypt(enc, cek, ciphertext, iv, tag, aad);
    case "A128GCM":
    case "A192GCM":
    case "A256GCM":
      if (cek instanceof Uint8Array)
        check_cek_length_default(cek, parseInt(enc.substr(1, 3), 10));
      return gcmDecrypt(enc, cek, ciphertext, iv, tag, aad);
    default:
      throw new JOSENotSupported("Unsupported JWE Content Encryption Algorithm");
  }
};
var decrypt_default = decrypt;

// dist/browser/runtime/zlib.js
var inflate = async () => {
  throw new JOSENotSupported('JWE "zip" (Compression Algorithm) Header Parameter is not supported by your javascript runtime. You need to use the `inflateRaw` decrypt option to provide Inflate Raw implementation.');
};
var deflate = async () => {
  throw new JOSENotSupported('JWE "zip" (Compression Algorithm) Header Parameter is not supported by your javascript runtime. You need to use the `deflateRaw` encrypt option to provide Deflate Raw implementation.');
};

// dist/browser/lib/is_disjoint.js
var isDisjoint = (...headers) => {
  const sources = headers.filter(Boolean);
  if (sources.length === 0 || sources.length === 1) {
    return true;
  }
  let acc;
  for (const header of sources) {
    const parameters = Object.keys(header);
    if (!acc || acc.size === 0) {
      acc = new Set(parameters);
      continue;
    }
    for (const parameter of parameters) {
      if (acc.has(parameter)) {
        return false;
      }
      acc.add(parameter);
    }
  }
  return true;
};
var is_disjoint_default = isDisjoint;

// dist/browser/lib/is_object.js
function isObjectLike(value) {
  return typeof value === "object" && value !== null;
}
function isObject(input) {
  if (!isObjectLike(input) || Object.prototype.toString.call(input) !== "[object Object]") {
    return false;
  }
  if (Object.getPrototypeOf(input) === null) {
    return true;
  }
  let proto = input;
  while (Object.getPrototypeOf(proto) !== null) {
    proto = Object.getPrototypeOf(proto);
  }
  return Object.getPrototypeOf(input) === proto;
}

// dist/browser/runtime/bogus.js
var bogusWebCrypto = [
  { hash: "SHA-256", name: "HMAC" },
  true,
  ["sign"]
];
var bogus_default = bogusWebCrypto;

// dist/browser/runtime/aeskw.js
function checkKeySize(key, alg) {
  if (key.algorithm.length !== parseInt(alg.substr(1, 3), 10)) {
    throw new TypeError(`Invalid key size for alg: ${alg}`);
  }
}
function getCryptoKey(key, alg, usage) {
  if (isCryptoKey(key)) {
    checkEncCryptoKey(key, alg, usage);
    return key;
  }
  if (key instanceof Uint8Array) {
    return webcrypto_default.subtle.importKey("raw", key, "AES-KW", true, [usage]);
  }
  throw new TypeError(invalid_key_input_default(key, "CryptoKey", "Uint8Array"));
}
var wrap = async (alg, key, cek) => {
  const cryptoKey = await getCryptoKey(key, alg, "wrapKey");
  checkKeySize(cryptoKey, alg);
  const cryptoKeyCek = await webcrypto_default.subtle.importKey("raw", cek, ...bogus_default);
  return new Uint8Array(await webcrypto_default.subtle.wrapKey("raw", cryptoKeyCek, cryptoKey, "AES-KW"));
};
var unwrap = async (alg, key, encryptedKey) => {
  const cryptoKey = await getCryptoKey(key, alg, "unwrapKey");
  checkKeySize(cryptoKey, alg);
  const cryptoKeyCek = await webcrypto_default.subtle.unwrapKey("raw", encryptedKey, cryptoKey, "AES-KW", ...bogus_default);
  return new Uint8Array(await webcrypto_default.subtle.exportKey("raw", cryptoKeyCek));
};

// dist/browser/runtime/digest.js
var digest = async (algorithm, data) => {
  const subtleDigest = `SHA-${algorithm.substr(-3)}`;
  return new Uint8Array(await webcrypto_default.subtle.digest(subtleDigest, data));
};
var digest_default = digest;

// dist/browser/runtime/ecdhes.js
var deriveKey = async (publicKey, privateKey, algorithm, keyLength, apu = new Uint8Array(0), apv = new Uint8Array(0)) => {
  if (!isCryptoKey(publicKey)) {
    throw new TypeError(invalid_key_input_default(publicKey, "CryptoKey"));
  }
  checkEncCryptoKey(publicKey, "ECDH-ES");
  if (!isCryptoKey(privateKey)) {
    throw new TypeError(invalid_key_input_default(privateKey, "CryptoKey"));
  }
  checkEncCryptoKey(privateKey, "ECDH-ES", "deriveBits", "deriveKey");
  const value = concat(lengthAndInput(encoder.encode(algorithm)), lengthAndInput(apu), lengthAndInput(apv), uint32be(keyLength));
  if (!privateKey.usages.includes("deriveBits")) {
    throw new TypeError('ECDH-ES private key "usages" must include "deriveBits"');
  }
  const sharedSecret = new Uint8Array(await webcrypto_default.subtle.deriveBits({
    name: "ECDH",
    public: publicKey
  }, privateKey, Math.ceil(parseInt(privateKey.algorithm.namedCurve.substr(-3), 10) / 8) << 3));
  return concatKdf(digest_default, sharedSecret, keyLength, value);
};
var generateEpk = async (key) => {
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
  }
  return (await webcrypto_default.subtle.generateKey({ name: "ECDH", namedCurve: key.algorithm.namedCurve }, true, ["deriveBits"])).privateKey;
};
var ecdhAllowed = (key) => {
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
  }
  return ["P-256", "P-384", "P-521"].includes(key.algorithm.namedCurve);
};

// dist/browser/lib/check_p2s.js
function checkP2s(p2s2) {
  if (!(p2s2 instanceof Uint8Array) || p2s2.length < 8) {
    throw new JWEInvalid("PBES2 Salt Input must be 8 or more octets");
  }
}

// dist/browser/runtime/pbes2kw.js
function getCryptoKey2(key, alg) {
  if (key instanceof Uint8Array) {
    return webcrypto_default.subtle.importKey("raw", key, "PBKDF2", false, ["deriveBits"]);
  }
  if (isCryptoKey(key)) {
    checkEncCryptoKey(key, alg, "deriveBits", "deriveKey");
    return key;
  }
  throw new TypeError(invalid_key_input_default(key, "CryptoKey", "Uint8Array"));
}
async function deriveKey2(p2s2, alg, p2c, key) {
  checkP2s(p2s2);
  const salt = p2s(alg, p2s2);
  const keylen = parseInt(alg.substr(13, 3), 10);
  const subtleAlg = {
    hash: `SHA-${alg.substr(8, 3)}`,
    iterations: p2c,
    name: "PBKDF2",
    salt
  };
  const wrapAlg = {
    length: keylen,
    name: "AES-KW"
  };
  const cryptoKey = await getCryptoKey2(key, alg);
  if (cryptoKey.usages.includes("deriveBits")) {
    return new Uint8Array(await webcrypto_default.subtle.deriveBits(subtleAlg, cryptoKey, keylen));
  }
  if (cryptoKey.usages.includes("deriveKey")) {
    return webcrypto_default.subtle.deriveKey(subtleAlg, cryptoKey, wrapAlg, false, ["wrapKey", "unwrapKey"]);
  }
  throw new TypeError('PBKDF2 key "usages" must include "deriveBits" or "deriveKey"');
}
var encrypt = async (alg, key, cek, p2c = Math.floor(Math.random() * 2049) + 2048, p2s2 = random_default(new Uint8Array(16))) => {
  const derived = await deriveKey2(p2s2, alg, p2c, key);
  const encryptedKey = await wrap(alg.substr(-6), derived, cek);
  return { encryptedKey, p2c, p2s: encode(p2s2) };
};
var decrypt2 = async (alg, key, encryptedKey, p2c, p2s2) => {
  const derived = await deriveKey2(p2s2, alg, p2c, key);
  return unwrap(alg.substr(-6), derived, encryptedKey);
};

// dist/browser/runtime/subtle_rsaes.js
function subtleRsaEs(alg) {
  switch (alg) {
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512":
      return "RSA-OAEP";
    default:
      throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
  }
}

// dist/browser/runtime/check_key_length.js
var check_key_length_default = (alg, key) => {
  if (alg.startsWith("RS") || alg.startsWith("PS")) {
    const { modulusLength } = key.algorithm;
    if (typeof modulusLength !== "number" || modulusLength < 2048) {
      throw new TypeError(`${alg} requires key modulusLength to be 2048 bits or larger`);
    }
  }
};

// dist/browser/runtime/rsaes.js
var encrypt2 = async (alg, key, cek) => {
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
  }
  checkEncCryptoKey(key, alg, "encrypt", "wrapKey");
  check_key_length_default(alg, key);
  if (key.usages.includes("encrypt")) {
    return new Uint8Array(await webcrypto_default.subtle.encrypt(subtleRsaEs(alg), key, cek));
  }
  if (key.usages.includes("wrapKey")) {
    const cryptoKeyCek = await webcrypto_default.subtle.importKey("raw", cek, ...bogus_default);
    return new Uint8Array(await webcrypto_default.subtle.wrapKey("raw", cryptoKeyCek, key, subtleRsaEs(alg)));
  }
  throw new TypeError('RSA-OAEP key "usages" must include "encrypt" or "wrapKey" for this operation');
};
var decrypt3 = async (alg, key, encryptedKey) => {
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
  }
  checkEncCryptoKey(key, alg, "decrypt", "unwrapKey");
  check_key_length_default(alg, key);
  if (key.usages.includes("decrypt")) {
    return new Uint8Array(await webcrypto_default.subtle.decrypt(subtleRsaEs(alg), key, encryptedKey));
  }
  if (key.usages.includes("unwrapKey")) {
    const cryptoKeyCek = await webcrypto_default.subtle.unwrapKey("raw", encryptedKey, key, subtleRsaEs(alg), ...bogus_default);
    return new Uint8Array(await webcrypto_default.subtle.exportKey("raw", cryptoKeyCek));
  }
  throw new TypeError('RSA-OAEP key "usages" must include "decrypt" or "unwrapKey" for this operation');
};

// dist/browser/lib/cek.js
function bitLength2(alg) {
  switch (alg) {
    case "A128CBC-HS256":
      return 256;
    case "A192CBC-HS384":
      return 384;
    case "A256CBC-HS512":
      return 512;
    case "A128GCM":
      return 128;
    case "A192GCM":
      return 192;
    case "A256GCM":
      return 256;
    default:
      throw new JOSENotSupported(`Unsupported JWE Algorithm: ${alg}`);
  }
}
var cek_default = (alg) => random_default(new Uint8Array(bitLength2(alg) >> 3));

// dist/browser/lib/format_pem.js
var format_pem_default = (b64, descriptor) => {
  const newlined = (b64.match(/.{1,64}/g) || []).join("\n");
  return `-----BEGIN ${descriptor}-----
${newlined}
-----END ${descriptor}-----`;
};

// dist/browser/runtime/asn1.js
var genericExport = async (keyType, keyFormat, key) => {
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
  }
  if (!key.extractable) {
    throw new TypeError("CryptoKey is not extractable");
  }
  if (key.type !== keyType) {
    throw new TypeError(`key is not a ${keyType} key`);
  }
  return format_pem_default(encodeBase64(new Uint8Array(await webcrypto_default.subtle.exportKey(keyFormat, key))), `${keyType.toUpperCase()} KEY`);
};
var toSPKI = (key) => {
  return genericExport("public", "spki", key);
};
var toPKCS8 = (key) => {
  return genericExport("private", "pkcs8", key);
};
var getNamedCurve2 = (keyData) => {
  const keyDataStr = keyData.toString();
  switch (true) {
    case keyDataStr.includes(new Uint8Array([
      6,
      7,
      42,
      134,
      72,
      206,
      61,
      2,
      1,
      6,
      8,
      42,
      134,
      72,
      206,
      61,
      3,
      1,
      7
    ]).toString()):
      return "P-256";
    case keyDataStr.includes(new Uint8Array([
      6,
      7,
      42,
      134,
      72,
      206,
      61,
      2,
      1,
      6,
      5,
      43,
      129,
      4,
      0,
      34
    ]).toString()):
      return "P-384";
    case keyDataStr.includes(new Uint8Array([
      6,
      7,
      42,
      134,
      72,
      206,
      61,
      2,
      1,
      6,
      5,
      43,
      129,
      4,
      0,
      35
    ]).toString()):
      return "P-521";
    case ((isCloudflareWorkers() || isNodeJs()) && keyDataStr.includes(new Uint8Array([6, 3, 43, 101, 112]).toString())):
      return "Ed25519";
    case (isNodeJs() && keyDataStr.includes(new Uint8Array([6, 3, 43, 101, 113]).toString())):
      return "Ed448";
    default:
      throw new JOSENotSupported("Invalid or unsupported EC Key Curve or OKP Key Sub Type");
  }
};
var genericImport = async (replace, keyFormat, pem, alg, options) => {
  var _a;
  let algorithm;
  let keyUsages;
  const keyData = new Uint8Array(atob(pem.replace(replace, "")).split("").map((c) => c.charCodeAt(0)));
  const isPublic = keyFormat === "spki";
  switch (alg) {
    case "PS256":
    case "PS384":
    case "PS512":
      algorithm = { name: "RSA-PSS", hash: `SHA-${alg.substr(-3)}` };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    case "RS256":
    case "RS384":
    case "RS512":
      algorithm = { name: "RSASSA-PKCS1-v1_5", hash: `SHA-${alg.substr(-3)}` };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512":
      algorithm = {
        name: "RSA-OAEP",
        hash: `SHA-${parseInt(alg.substr(-3), 10) || 1}`
      };
      keyUsages = isPublic ? ["encrypt", "wrapKey"] : ["decrypt", "unwrapKey"];
      break;
    case "ES256":
      algorithm = { name: "ECDSA", namedCurve: "P-256" };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    case "ES384":
      algorithm = { name: "ECDSA", namedCurve: "P-384" };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    case "ES512":
      algorithm = { name: "ECDSA", namedCurve: "P-521" };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    case "ECDH-ES":
    case "ECDH-ES+A128KW":
    case "ECDH-ES+A192KW":
    case "ECDH-ES+A256KW":
      algorithm = { name: "ECDH", namedCurve: getNamedCurve2(keyData) };
      keyUsages = isPublic ? [] : ["deriveBits"];
      break;
    case ((isCloudflareWorkers() || isNodeJs()) && "EdDSA"):
      const namedCurve = getNamedCurve2(keyData).toUpperCase();
      algorithm = { name: `NODE-${namedCurve}`, namedCurve: `NODE-${namedCurve}` };
      keyUsages = isPublic ? ["verify"] : ["sign"];
      break;
    default:
      throw new JOSENotSupported('Invalid or unsupported "alg" (Algorithm) value');
  }
  return webcrypto_default.subtle.importKey(keyFormat, keyData, algorithm, (_a = options === null || options === void 0 ? void 0 : options.extractable) !== null && _a !== void 0 ? _a : false, keyUsages);
};
var fromPKCS8 = (pem, alg, options) => {
  return genericImport(/(?:-----(?:BEGIN|END) PRIVATE KEY-----|\s)/g, "pkcs8", pem, alg, options);
};
var fromSPKI = (pem, alg, options) => {
  return genericImport(/(?:-----(?:BEGIN|END) PUBLIC KEY-----|\s)/g, "spki", pem, alg, options);
};

// dist/browser/runtime/jwk_to_key.js
function subtleMapping(jwk) {
  let algorithm;
  let keyUsages;
  switch (jwk.kty) {
    case "oct": {
      switch (jwk.alg) {
        case "HS256":
        case "HS384":
        case "HS512":
          algorithm = { name: "HMAC", hash: `SHA-${jwk.alg.substr(-3)}` };
          keyUsages = ["sign", "verify"];
          break;
        case "A128CBC-HS256":
        case "A192CBC-HS384":
        case "A256CBC-HS512":
          throw new JOSENotSupported(`${jwk.alg} keys cannot be imported as CryptoKey instances`);
        case "A128GCM":
        case "A192GCM":
        case "A256GCM":
        case "A128GCMKW":
        case "A192GCMKW":
        case "A256GCMKW":
          algorithm = { name: "AES-GCM" };
          keyUsages = ["encrypt", "decrypt"];
          break;
        case "A128KW":
        case "A192KW":
        case "A256KW":
          algorithm = { name: "AES-KW" };
          keyUsages = ["wrapKey", "unwrapKey"];
          break;
        case "PBES2-HS256+A128KW":
        case "PBES2-HS384+A192KW":
        case "PBES2-HS512+A256KW":
          algorithm = { name: "PBKDF2" };
          keyUsages = ["deriveBits"];
          break;
        default:
          throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
      }
      break;
    }
    case "RSA": {
      switch (jwk.alg) {
        case "PS256":
        case "PS384":
        case "PS512":
          algorithm = { name: "RSA-PSS", hash: `SHA-${jwk.alg.substr(-3)}` };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case "RS256":
        case "RS384":
        case "RS512":
          algorithm = { name: "RSASSA-PKCS1-v1_5", hash: `SHA-${jwk.alg.substr(-3)}` };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case "RSA-OAEP":
        case "RSA-OAEP-256":
        case "RSA-OAEP-384":
        case "RSA-OAEP-512":
          algorithm = {
            name: "RSA-OAEP",
            hash: `SHA-${parseInt(jwk.alg.substr(-3), 10) || 1}`
          };
          keyUsages = jwk.d ? ["decrypt", "unwrapKey"] : ["encrypt", "wrapKey"];
          break;
        default:
          throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
      }
      break;
    }
    case "EC": {
      switch (jwk.alg) {
        case "ES256":
          algorithm = { name: "ECDSA", namedCurve: "P-256" };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case "ES384":
          algorithm = { name: "ECDSA", namedCurve: "P-384" };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case "ES512":
          algorithm = { name: "ECDSA", namedCurve: "P-521" };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case "ECDH-ES":
        case "ECDH-ES+A128KW":
        case "ECDH-ES+A192KW":
        case "ECDH-ES+A256KW":
          algorithm = { name: "ECDH", namedCurve: jwk.crv };
          keyUsages = jwk.d ? ["deriveBits"] : [];
          break;
        default:
          throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
      }
      break;
    }
    case ((isCloudflareWorkers() || isNodeJs()) && "OKP"):
      if (jwk.alg !== "EdDSA") {
        throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
      }
      switch (jwk.crv) {
        case "Ed25519":
          algorithm = { name: "NODE-ED25519", namedCurve: "NODE-ED25519" };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        case (isNodeJs() && "Ed448"):
          algorithm = { name: "NODE-ED448", namedCurve: "NODE-ED448" };
          keyUsages = jwk.d ? ["sign"] : ["verify"];
          break;
        default:
          throw new JOSENotSupported('Invalid or unsupported JWK "crv" (Subtype of Key Pair) Parameter value');
      }
      break;
    default:
      throw new JOSENotSupported('Invalid or unsupported JWK "kty" (Key Type) Parameter value');
  }
  return { algorithm, keyUsages };
}
var parse = async (jwk) => {
  var _a, _b;
  const { algorithm, keyUsages } = subtleMapping(jwk);
  const rest = [
    algorithm,
    (_a = jwk.ext) !== null && _a !== void 0 ? _a : false,
    (_b = jwk.key_ops) !== null && _b !== void 0 ? _b : keyUsages
  ];
  if (algorithm.name === "PBKDF2") {
    return webcrypto_default.subtle.importKey("raw", decode(jwk.k), ...rest);
  }
  const keyData = { ...jwk };
  delete keyData.alg;
  return webcrypto_default.subtle.importKey("jwk", keyData, ...rest);
};
var jwk_to_key_default = parse;

// dist/browser/key/import.js
function getElement(seq) {
  let result = [];
  let next = 0;
  while (next < seq.length) {
    let nextPart = parseElement(seq.subarray(next));
    result.push(nextPart);
    next += nextPart.byteLength;
  }
  return result;
}
function parseElement(bytes) {
  let position = 0;
  let tag = bytes[0] & 31;
  position++;
  if (tag === 31) {
    tag = 0;
    while (bytes[position] >= 128) {
      tag = tag * 128 + bytes[position] - 128;
      position++;
    }
    tag = tag * 128 + bytes[position] - 128;
    position++;
  }
  let length = 0;
  if (bytes[position] < 128) {
    length = bytes[position];
    position++;
  } else {
    let numberOfDigits = bytes[position] & 127;
    position++;
    length = 0;
    for (let i = 0; i < numberOfDigits; i++) {
      length = length * 256 + bytes[position];
      position++;
    }
  }
  if (length === 128) {
    length = 0;
    while (bytes[position + length] !== 0 || bytes[position + length + 1] !== 0) {
      length++;
    }
    const byteLength2 = position + length + 2;
    return {
      byteLength: byteLength2,
      contents: bytes.subarray(position, position + length),
      raw: bytes.subarray(0, byteLength2)
    };
  }
  const byteLength = position + length;
  return {
    byteLength,
    contents: bytes.subarray(position, byteLength),
    raw: bytes.subarray(0, byteLength)
  };
}
function spkiFromX509(buf) {
  return encodeBase64(getElement(getElement(parseElement(buf).contents)[0].contents)[6].raw);
}
function getSPKI(x509) {
  const pem = x509.replace(/(?:-----(?:BEGIN|END) CERTIFICATE-----|\s)/g, "");
  const raw = decodeBase64(pem);
  return format_pem_default(spkiFromX509(raw), "PUBLIC KEY");
}
async function importSPKI(spki, alg, options) {
  if (typeof spki !== "string" || spki.indexOf("-----BEGIN PUBLIC KEY-----") !== 0) {
    throw new TypeError('"spki" must be SPKI formatted string');
  }
  return fromSPKI(spki, alg, options);
}
async function importX509(x509, alg, options) {
  if (typeof x509 !== "string" || x509.indexOf("-----BEGIN CERTIFICATE-----") !== 0) {
    throw new TypeError('"x509" must be X.509 formatted string');
  }
  const spki = getSPKI(x509);
  return fromSPKI(spki, alg, options);
}
async function importPKCS8(pkcs8, alg, options) {
  if (typeof pkcs8 !== "string" || pkcs8.indexOf("-----BEGIN PRIVATE KEY-----") !== 0) {
    throw new TypeError('"pkcs8" must be PCKS8 formatted string');
  }
  return fromPKCS8(pkcs8, alg, options);
}
async function importJWK(jwk, alg, octAsKeyObject) {
  if (!isObject(jwk)) {
    throw new TypeError("JWK must be an object");
  }
  alg || (alg = jwk.alg);
  if (typeof alg !== "string" || !alg) {
    throw new TypeError('"alg" argument is required when "jwk.alg" is not present');
  }
  switch (jwk.kty) {
    case "oct":
      if (typeof jwk.k !== "string" || !jwk.k) {
        throw new TypeError('missing "k" (Key Value) Parameter value');
      }
      octAsKeyObject !== null && octAsKeyObject !== void 0 ? octAsKeyObject : octAsKeyObject = jwk.ext !== true;
      if (octAsKeyObject) {
        return jwk_to_key_default({ ...jwk, alg, ext: false });
      }
      return decode(jwk.k);
    case "RSA":
      if (jwk.oth !== void 0) {
        throw new JOSENotSupported('RSA JWK "oth" (Other Primes Info) Parameter value is not supported');
      }
    case "EC":
    case "OKP":
      return jwk_to_key_default({ ...jwk, alg });
    default:
      throw new JOSENotSupported('Unsupported "kty" (Key Type) Parameter value');
  }
}

// dist/browser/runtime/is_key_like.js
var is_key_like_default = (key) => {
  return isCryptoKey(key);
};
var types = ["CryptoKey"];

// dist/browser/lib/check_key_type.js
var symmetricTypeCheck = (key) => {
  if (key instanceof Uint8Array)
    return;
  if (!is_key_like_default(key)) {
    throw new TypeError(invalid_key_input_default(key, ...types, "Uint8Array"));
  }
  if (key.type !== "secret") {
    throw new TypeError(`${types.join(" or ")} instances for symmetric algorithms must be of type "secret"`);
  }
};
var asymmetricTypeCheck = (key, usage) => {
  if (!is_key_like_default(key)) {
    throw new TypeError(invalid_key_input_default(key, ...types));
  }
  if (key.type === "secret") {
    throw new TypeError(`${types.join(" or ")} instances for asymmetric algorithms must not be of type "secret"`);
  }
  if (usage === "sign" && key.type === "public") {
    throw new TypeError(`${types.join(" or ")} instances for asymmetric algorithm signing must be of type "private"`);
  }
  if (usage === "decrypt" && key.type === "public") {
    throw new TypeError(`${types.join(" or ")} instances for asymmetric algorithm decryption must be of type "private"`);
  }
  if (key.algorithm && usage === "verify" && key.type === "private") {
    throw new TypeError(`${types.join(" or ")} instances for asymmetric algorithm verifying must be of type "public"`);
  }
  if (key.algorithm && usage === "encrypt" && key.type === "private") {
    throw new TypeError(`${types.join(" or ")} instances for asymmetric algorithm encryption must be of type "public"`);
  }
};
var checkKeyType = (alg, key, usage) => {
  const symmetric = alg.startsWith("HS") || alg === "dir" || alg.startsWith("PBES2") || /^A\d{3}(?:GCM)?KW$/.test(alg);
  if (symmetric) {
    symmetricTypeCheck(key);
  } else {
    asymmetricTypeCheck(key, usage);
  }
};
var check_key_type_default = checkKeyType;

// dist/browser/runtime/encrypt.js
async function cbcEncrypt(enc, plaintext, cek, iv, aad) {
  if (!(cek instanceof Uint8Array)) {
    throw new TypeError(invalid_key_input_default(cek, "Uint8Array"));
  }
  const keySize = parseInt(enc.substr(1, 3), 10);
  const encKey = await webcrypto_default.subtle.importKey("raw", cek.subarray(keySize >> 3), "AES-CBC", false, ["encrypt"]);
  const macKey = await webcrypto_default.subtle.importKey("raw", cek.subarray(0, keySize >> 3), {
    hash: `SHA-${keySize << 1}`,
    name: "HMAC"
  }, false, ["sign"]);
  const ciphertext = new Uint8Array(await webcrypto_default.subtle.encrypt({
    iv,
    name: "AES-CBC"
  }, encKey, plaintext));
  const macData = concat(aad, iv, ciphertext, uint64be(aad.length << 3));
  const tag = new Uint8Array((await webcrypto_default.subtle.sign("HMAC", macKey, macData)).slice(0, keySize >> 3));
  return { ciphertext, tag };
}
async function gcmEncrypt(enc, plaintext, cek, iv, aad) {
  let encKey;
  if (cek instanceof Uint8Array) {
    encKey = await webcrypto_default.subtle.importKey("raw", cek, "AES-GCM", false, ["encrypt"]);
  } else {
    checkEncCryptoKey(cek, enc, "encrypt");
    encKey = cek;
  }
  const encrypted = new Uint8Array(await webcrypto_default.subtle.encrypt({
    additionalData: aad,
    iv,
    name: "AES-GCM",
    tagLength: 128
  }, encKey, plaintext));
  const tag = encrypted.slice(-16);
  const ciphertext = encrypted.slice(0, -16);
  return { ciphertext, tag };
}
var encrypt3 = async (enc, plaintext, cek, iv, aad) => {
  if (!isCryptoKey(cek) && !(cek instanceof Uint8Array)) {
    throw new TypeError(invalid_key_input_default(cek, "CryptoKey", "Uint8Array"));
  }
  check_iv_length_default(enc, iv);
  switch (enc) {
    case "A128CBC-HS256":
    case "A192CBC-HS384":
    case "A256CBC-HS512":
      if (cek instanceof Uint8Array)
        check_cek_length_default(cek, parseInt(enc.substr(-3), 10));
      return cbcEncrypt(enc, plaintext, cek, iv, aad);
    case "A128GCM":
    case "A192GCM":
    case "A256GCM":
      if (cek instanceof Uint8Array)
        check_cek_length_default(cek, parseInt(enc.substr(1, 3), 10));
      return gcmEncrypt(enc, plaintext, cek, iv, aad);
    default:
      throw new JOSENotSupported("Unsupported JWE Content Encryption Algorithm");
  }
};
var encrypt_default = encrypt3;

// dist/browser/lib/aesgcmkw.js
async function wrap2(alg, key, cek, iv) {
  const jweAlgorithm = alg.substr(0, 7);
  iv || (iv = iv_default(jweAlgorithm));
  const { ciphertext: encryptedKey, tag } = await encrypt_default(jweAlgorithm, cek, key, iv, new Uint8Array(0));
  return { encryptedKey, iv: encode(iv), tag: encode(tag) };
}
async function unwrap2(alg, key, encryptedKey, iv, tag) {
  const jweAlgorithm = alg.substr(0, 7);
  return decrypt_default(jweAlgorithm, key, encryptedKey, iv, tag, new Uint8Array(0));
}

// dist/browser/lib/decrypt_key_management.js
async function decryptKeyManagement(alg, key, encryptedKey, joseHeader) {
  check_key_type_default(alg, key, "decrypt");
  switch (alg) {
    case "dir": {
      if (encryptedKey !== void 0)
        throw new JWEInvalid("Encountered unexpected JWE Encrypted Key");
      return key;
    }
    case "ECDH-ES":
      if (encryptedKey !== void 0)
        throw new JWEInvalid("Encountered unexpected JWE Encrypted Key");
    case "ECDH-ES+A128KW":
    case "ECDH-ES+A192KW":
    case "ECDH-ES+A256KW": {
      if (!isObject(joseHeader.epk))
        throw new JWEInvalid(`JOSE Header "epk" (Ephemeral Public Key) missing or invalid`);
      if (!ecdhAllowed(key))
        throw new JOSENotSupported("ECDH-ES with the provided key is not allowed or not supported by your javascript runtime");
      const epk = await importJWK(joseHeader.epk, alg);
      let partyUInfo;
      let partyVInfo;
      if (joseHeader.apu !== void 0) {
        if (typeof joseHeader.apu !== "string")
          throw new JWEInvalid(`JOSE Header "apu" (Agreement PartyUInfo) invalid`);
        partyUInfo = decode(joseHeader.apu);
      }
      if (joseHeader.apv !== void 0) {
        if (typeof joseHeader.apv !== "string")
          throw new JWEInvalid(`JOSE Header "apv" (Agreement PartyVInfo) invalid`);
        partyVInfo = decode(joseHeader.apv);
      }
      const sharedSecret = await deriveKey(epk, key, alg === "ECDH-ES" ? joseHeader.enc : alg, parseInt(alg.substr(-5, 3), 10) || bitLength2(joseHeader.enc), partyUInfo, partyVInfo);
      if (alg === "ECDH-ES")
        return sharedSecret;
      if (encryptedKey === void 0)
        throw new JWEInvalid("JWE Encrypted Key missing");
      return unwrap(alg.substr(-6), sharedSecret, encryptedKey);
    }
    case "RSA1_5":
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512": {
      if (encryptedKey === void 0)
        throw new JWEInvalid("JWE Encrypted Key missing");
      return decrypt3(alg, key, encryptedKey);
    }
    case "PBES2-HS256+A128KW":
    case "PBES2-HS384+A192KW":
    case "PBES2-HS512+A256KW": {
      if (encryptedKey === void 0)
        throw new JWEInvalid("JWE Encrypted Key missing");
      if (typeof joseHeader.p2c !== "number")
        throw new JWEInvalid(`JOSE Header "p2c" (PBES2 Count) missing or invalid`);
      if (typeof joseHeader.p2s !== "string")
        throw new JWEInvalid(`JOSE Header "p2s" (PBES2 Salt) missing or invalid`);
      return decrypt2(alg, key, encryptedKey, joseHeader.p2c, decode(joseHeader.p2s));
    }
    case "A128KW":
    case "A192KW":
    case "A256KW": {
      if (encryptedKey === void 0)
        throw new JWEInvalid("JWE Encrypted Key missing");
      return unwrap(alg, key, encryptedKey);
    }
    case "A128GCMKW":
    case "A192GCMKW":
    case "A256GCMKW": {
      if (encryptedKey === void 0)
        throw new JWEInvalid("JWE Encrypted Key missing");
      if (typeof joseHeader.iv !== "string")
        throw new JWEInvalid(`JOSE Header "iv" (Initialization Vector) missing or invalid`);
      if (typeof joseHeader.tag !== "string")
        throw new JWEInvalid(`JOSE Header "tag" (Authentication Tag) missing or invalid`);
      const iv = decode(joseHeader.iv);
      const tag = decode(joseHeader.tag);
      return unwrap2(alg, key, encryptedKey, iv, tag);
    }
    default: {
      throw new JOSENotSupported('Invalid or unsupported "alg" (JWE Algorithm) header value');
    }
  }
}
var decrypt_key_management_default = decryptKeyManagement;

// dist/browser/lib/validate_crit.js
function validateCrit(Err, recognizedDefault, recognizedOption, protectedHeader, joseHeader) {
  if (joseHeader.crit !== void 0 && protectedHeader.crit === void 0) {
    throw new Err('"crit" (Critical) Header Parameter MUST be integrity protected');
  }
  if (!protectedHeader || protectedHeader.crit === void 0) {
    return new Set();
  }
  if (!Array.isArray(protectedHeader.crit) || protectedHeader.crit.length === 0 || protectedHeader.crit.some((input) => typeof input !== "string" || input.length === 0)) {
    throw new Err('"crit" (Critical) Header Parameter MUST be an array of non-empty strings when present');
  }
  let recognized;
  if (recognizedOption !== void 0) {
    recognized = new Map([...Object.entries(recognizedOption), ...recognizedDefault.entries()]);
  } else {
    recognized = recognizedDefault;
  }
  for (const parameter of protectedHeader.crit) {
    if (!recognized.has(parameter)) {
      throw new JOSENotSupported(`Extension Header Parameter "${parameter}" is not recognized`);
    }
    if (joseHeader[parameter] === void 0) {
      throw new Err(`Extension Header Parameter "${parameter}" is missing`);
    } else if (recognized.get(parameter) && protectedHeader[parameter] === void 0) {
      throw new Err(`Extension Header Parameter "${parameter}" MUST be integrity protected`);
    }
  }
  return new Set(protectedHeader.crit);
}
var validate_crit_default = validateCrit;

// dist/browser/lib/validate_algorithms.js
var validateAlgorithms = (option, algorithms) => {
  if (algorithms !== void 0 && (!Array.isArray(algorithms) || algorithms.some((s) => typeof s !== "string"))) {
    throw new TypeError(`"${option}" option must be an array of strings`);
  }
  if (!algorithms) {
    return void 0;
  }
  return new Set(algorithms);
};
var validate_algorithms_default = validateAlgorithms;

// dist/browser/jwe/flattened/decrypt.js
async function flattenedDecrypt(jwe, key, options) {
  var _a;
  if (!isObject(jwe)) {
    throw new JWEInvalid("Flattened JWE must be an object");
  }
  if (jwe.protected === void 0 && jwe.header === void 0 && jwe.unprotected === void 0) {
    throw new JWEInvalid("JOSE Header missing");
  }
  if (typeof jwe.iv !== "string") {
    throw new JWEInvalid("JWE Initialization Vector missing or incorrect type");
  }
  if (typeof jwe.ciphertext !== "string") {
    throw new JWEInvalid("JWE Ciphertext missing or incorrect type");
  }
  if (typeof jwe.tag !== "string") {
    throw new JWEInvalid("JWE Authentication Tag missing or incorrect type");
  }
  if (jwe.protected !== void 0 && typeof jwe.protected !== "string") {
    throw new JWEInvalid("JWE Protected Header incorrect type");
  }
  if (jwe.encrypted_key !== void 0 && typeof jwe.encrypted_key !== "string") {
    throw new JWEInvalid("JWE Encrypted Key incorrect type");
  }
  if (jwe.aad !== void 0 && typeof jwe.aad !== "string") {
    throw new JWEInvalid("JWE AAD incorrect type");
  }
  if (jwe.header !== void 0 && !isObject(jwe.header)) {
    throw new JWEInvalid("JWE Shared Unprotected Header incorrect type");
  }
  if (jwe.unprotected !== void 0 && !isObject(jwe.unprotected)) {
    throw new JWEInvalid("JWE Per-Recipient Unprotected Header incorrect type");
  }
  let parsedProt;
  if (jwe.protected) {
    const protectedHeader2 = decode(jwe.protected);
    try {
      parsedProt = JSON.parse(decoder.decode(protectedHeader2));
    } catch (_b) {
      throw new JWEInvalid("JWE Protected Header is invalid");
    }
  }
  if (!is_disjoint_default(parsedProt, jwe.header, jwe.unprotected)) {
    throw new JWEInvalid("JWE Protected, JWE Unprotected Header, and JWE Per-Recipient Unprotected Header Parameter names must be disjoint");
  }
  const joseHeader = {
    ...parsedProt,
    ...jwe.header,
    ...jwe.unprotected
  };
  validate_crit_default(JWEInvalid, new Map(), options === null || options === void 0 ? void 0 : options.crit, parsedProt, joseHeader);
  if (joseHeader.zip !== void 0) {
    if (!parsedProt || !parsedProt.zip) {
      throw new JWEInvalid('JWE "zip" (Compression Algorithm) Header MUST be integrity protected');
    }
    if (joseHeader.zip !== "DEF") {
      throw new JOSENotSupported('Unsupported JWE "zip" (Compression Algorithm) Header Parameter value');
    }
  }
  const { alg, enc } = joseHeader;
  if (typeof alg !== "string" || !alg) {
    throw new JWEInvalid("missing JWE Algorithm (alg) in JWE Header");
  }
  if (typeof enc !== "string" || !enc) {
    throw new JWEInvalid("missing JWE Encryption Algorithm (enc) in JWE Header");
  }
  const keyManagementAlgorithms = options && validate_algorithms_default("keyManagementAlgorithms", options.keyManagementAlgorithms);
  const contentEncryptionAlgorithms = options && validate_algorithms_default("contentEncryptionAlgorithms", options.contentEncryptionAlgorithms);
  if (keyManagementAlgorithms && !keyManagementAlgorithms.has(alg)) {
    throw new JOSEAlgNotAllowed('"alg" (Algorithm) Header Parameter not allowed');
  }
  if (contentEncryptionAlgorithms && !contentEncryptionAlgorithms.has(enc)) {
    throw new JOSEAlgNotAllowed('"enc" (Encryption Algorithm) Header Parameter not allowed');
  }
  let encryptedKey;
  if (jwe.encrypted_key !== void 0) {
    encryptedKey = decode(jwe.encrypted_key);
  }
  let resolvedKey = false;
  if (typeof key === "function") {
    key = await key(parsedProt, jwe);
    resolvedKey = true;
  }
  let cek;
  try {
    cek = await decrypt_key_management_default(alg, key, encryptedKey, joseHeader);
  } catch (err) {
    if (err instanceof TypeError) {
      throw err;
    }
    cek = cek_default(enc);
  }
  const iv = decode(jwe.iv);
  const tag = decode(jwe.tag);
  const protectedHeader = encoder.encode((_a = jwe.protected) !== null && _a !== void 0 ? _a : "");
  let additionalData;
  if (jwe.aad !== void 0) {
    additionalData = concat(protectedHeader, encoder.encode("."), encoder.encode(jwe.aad));
  } else {
    additionalData = protectedHeader;
  }
  let plaintext = await decrypt_default(enc, cek, decode(jwe.ciphertext), iv, tag, additionalData);
  if (joseHeader.zip === "DEF") {
    plaintext = await ((options === null || options === void 0 ? void 0 : options.inflateRaw) || inflate)(plaintext);
  }
  const result = { plaintext };
  if (jwe.protected !== void 0) {
    result.protectedHeader = parsedProt;
  }
  if (jwe.aad !== void 0) {
    result.additionalAuthenticatedData = decode(jwe.aad);
  }
  if (jwe.unprotected !== void 0) {
    result.sharedUnprotectedHeader = jwe.unprotected;
  }
  if (jwe.header !== void 0) {
    result.unprotectedHeader = jwe.header;
  }
  if (resolvedKey) {
    return { ...result, key };
  }
  return result;
}

// dist/browser/jwe/compact/decrypt.js
async function compactDecrypt(jwe, key, options) {
  if (jwe instanceof Uint8Array) {
    jwe = decoder.decode(jwe);
  }
  if (typeof jwe !== "string") {
    throw new JWEInvalid("Compact JWE must be a string or Uint8Array");
  }
  const { 0: protectedHeader, 1: encryptedKey, 2: iv, 3: ciphertext, 4: tag, length } = jwe.split(".");
  if (length !== 5) {
    throw new JWEInvalid("Invalid Compact JWE");
  }
  const decrypted = await flattenedDecrypt({
    ciphertext: ciphertext || void 0,
    iv: iv || void 0,
    protected: protectedHeader || void 0,
    tag: tag || void 0,
    encrypted_key: encryptedKey || void 0
  }, key, options);
  const result = { plaintext: decrypted.plaintext, protectedHeader: decrypted.protectedHeader };
  if (typeof key === "function") {
    return { ...result, key: decrypted.key };
  }
  return result;
}

// dist/browser/jwe/general/decrypt.js
async function generalDecrypt(jwe, key, options) {
  if (!isObject(jwe)) {
    throw new JWEInvalid("General JWE must be an object");
  }
  if (!Array.isArray(jwe.recipients) || !jwe.recipients.every(isObject)) {
    throw new JWEInvalid("JWE Recipients missing or incorrect type");
  }
  for (const recipient of jwe.recipients) {
    try {
      return await flattenedDecrypt({
        aad: jwe.aad,
        ciphertext: jwe.ciphertext,
        encrypted_key: recipient.encrypted_key,
        header: recipient.header,
        iv: jwe.iv,
        protected: jwe.protected,
        tag: jwe.tag,
        unprotected: jwe.unprotected
      }, key, options);
    } catch (_a) {
    }
  }
  throw new JWEDecryptionFailed();
}

// dist/browser/runtime/subtle_dsa.js
function subtleDsa(alg, namedCurve) {
  const length = parseInt(alg.substr(-3), 10);
  switch (alg) {
    case "HS256":
    case "HS384":
    case "HS512":
      return { hash: `SHA-${length}`, name: "HMAC" };
    case "PS256":
    case "PS384":
    case "PS512":
      return { hash: `SHA-${length}`, name: "RSA-PSS", saltLength: length >> 3 };
    case "RS256":
    case "RS384":
    case "RS512":
      return { hash: `SHA-${length}`, name: "RSASSA-PKCS1-v1_5" };
    case "ES256":
    case "ES384":
    case "ES512":
      return { hash: `SHA-${length}`, name: "ECDSA", namedCurve };
    case ((isCloudflareWorkers() || isNodeJs()) && "EdDSA"):
      return { name: namedCurve, namedCurve };
    default:
      throw new JOSENotSupported(`alg ${alg} is not supported either by JOSE or your javascript runtime`);
  }
}

// dist/browser/runtime/get_sign_verify_key.js
function getCryptoKey3(alg, key, usage) {
  if (isCryptoKey(key)) {
    checkSigCryptoKey(key, alg, usage);
    return key;
  }
  if (key instanceof Uint8Array) {
    if (!alg.startsWith("HS")) {
      throw new TypeError(invalid_key_input_default(key, "CryptoKey"));
    }
    return webcrypto_default.subtle.importKey("raw", key, { hash: `SHA-${alg.substr(-3)}`, name: "HMAC" }, false, [usage]);
  }
  throw new TypeError(invalid_key_input_default(key, "CryptoKey", "Uint8Array"));
}

// dist/browser/runtime/verify.js
var verify = async (alg, key, signature, data) => {
  const cryptoKey = await getCryptoKey3(alg, key, "verify");
  check_key_length_default(alg, cryptoKey);
  const algorithm = subtleDsa(alg, cryptoKey.algorithm.namedCurve);
  try {
    return await webcrypto_default.subtle.verify(algorithm, cryptoKey, signature, data);
  } catch (_a) {
    return false;
  }
};
var verify_default = verify;

// dist/browser/jws/flattened/verify.js
async function flattenedVerify(jws, key, options) {
  var _a;
  if (!isObject(jws)) {
    throw new JWSInvalid("Flattened JWS must be an object");
  }
  if (jws.protected === void 0 && jws.header === void 0) {
    throw new JWSInvalid('Flattened JWS must have either of the "protected" or "header" members');
  }
  if (jws.protected !== void 0 && typeof jws.protected !== "string") {
    throw new JWSInvalid("JWS Protected Header incorrect type");
  }
  if (jws.payload === void 0) {
    throw new JWSInvalid("JWS Payload missing");
  }
  if (typeof jws.signature !== "string") {
    throw new JWSInvalid("JWS Signature missing or incorrect type");
  }
  if (jws.header !== void 0 && !isObject(jws.header)) {
    throw new JWSInvalid("JWS Unprotected Header incorrect type");
  }
  let parsedProt = {};
  if (jws.protected) {
    const protectedHeader = decode(jws.protected);
    try {
      parsedProt = JSON.parse(decoder.decode(protectedHeader));
    } catch (_b) {
      throw new JWSInvalid("JWS Protected Header is invalid");
    }
  }
  if (!is_disjoint_default(parsedProt, jws.header)) {
    throw new JWSInvalid("JWS Protected and JWS Unprotected Header Parameter names must be disjoint");
  }
  const joseHeader = {
    ...parsedProt,
    ...jws.header
  };
  const extensions = validate_crit_default(JWSInvalid, new Map([["b64", true]]), options === null || options === void 0 ? void 0 : options.crit, parsedProt, joseHeader);
  let b64 = true;
  if (extensions.has("b64")) {
    b64 = parsedProt.b64;
    if (typeof b64 !== "boolean") {
      throw new JWSInvalid('The "b64" (base64url-encode payload) Header Parameter must be a boolean');
    }
  }
  const { alg } = joseHeader;
  if (typeof alg !== "string" || !alg) {
    throw new JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
  }
  const algorithms = options && validate_algorithms_default("algorithms", options.algorithms);
  if (algorithms && !algorithms.has(alg)) {
    throw new JOSEAlgNotAllowed('"alg" (Algorithm) Header Parameter not allowed');
  }
  if (b64) {
    if (typeof jws.payload !== "string") {
      throw new JWSInvalid("JWS Payload must be a string");
    }
  } else if (typeof jws.payload !== "string" && !(jws.payload instanceof Uint8Array)) {
    throw new JWSInvalid("JWS Payload must be a string or an Uint8Array instance");
  }
  let resolvedKey = false;
  if (typeof key === "function") {
    key = await key(parsedProt, jws);
    resolvedKey = true;
  }
  check_key_type_default(alg, key, "verify");
  const data = concat(encoder.encode((_a = jws.protected) !== null && _a !== void 0 ? _a : ""), encoder.encode("."), typeof jws.payload === "string" ? encoder.encode(jws.payload) : jws.payload);
  const signature = decode(jws.signature);
  const verified = await verify_default(alg, key, signature, data);
  if (!verified) {
    throw new JWSSignatureVerificationFailed();
  }
  let payload;
  if (b64) {
    payload = decode(jws.payload);
  } else if (typeof jws.payload === "string") {
    payload = encoder.encode(jws.payload);
  } else {
    payload = jws.payload;
  }
  const result = { payload };
  if (jws.protected !== void 0) {
    result.protectedHeader = parsedProt;
  }
  if (jws.header !== void 0) {
    result.unprotectedHeader = jws.header;
  }
  if (resolvedKey) {
    return { ...result, key };
  }
  return result;
}

// dist/browser/jws/compact/verify.js
async function compactVerify(jws, key, options) {
  if (jws instanceof Uint8Array) {
    jws = decoder.decode(jws);
  }
  if (typeof jws !== "string") {
    throw new JWSInvalid("Compact JWS must be a string or Uint8Array");
  }
  const { 0: protectedHeader, 1: payload, 2: signature, length } = jws.split(".");
  if (length !== 3) {
    throw new JWSInvalid("Invalid Compact JWS");
  }
  const verified = await flattenedVerify({
    payload: payload || void 0,
    protected: protectedHeader || void 0,
    signature: signature || void 0
  }, key, options);
  const result = { payload: verified.payload, protectedHeader: verified.protectedHeader };
  if (typeof key === "function") {
    return { ...result, key: verified.key };
  }
  return result;
}

// dist/browser/jws/general/verify.js
async function generalVerify(jws, key, options) {
  if (!isObject(jws)) {
    throw new JWSInvalid("General JWS must be an object");
  }
  if (!Array.isArray(jws.signatures) || !jws.signatures.every(isObject)) {
    throw new JWSInvalid("JWS Signatures missing or incorrect type");
  }
  for (const signature of jws.signatures) {
    try {
      return await flattenedVerify({
        header: signature.header,
        payload: jws.payload,
        protected: signature.protected,
        signature: signature.signature
      }, key, options);
    } catch (_a) {
    }
  }
  throw new JWSSignatureVerificationFailed();
}

// dist/browser/lib/epoch.js
var epoch_default = (date) => Math.floor(date.getTime() / 1e3);

// dist/browser/lib/secs.js
var minute = 60;
var hour = minute * 60;
var day = hour * 24;
var week = day * 7;
var year = day * 365.25;
var REGEX = /^(\d+|\d+\.\d+) ?(seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)$/i;
var secs_default = (str) => {
  const matched = REGEX.exec(str);
  if (!matched) {
    throw new TypeError("Invalid time period format");
  }
  const value = parseFloat(matched[1]);
  const unit = matched[2].toLowerCase();
  switch (unit) {
    case "sec":
    case "secs":
    case "second":
    case "seconds":
    case "s":
      return Math.round(value);
    case "minute":
    case "minutes":
    case "min":
    case "mins":
    case "m":
      return Math.round(value * minute);
    case "hour":
    case "hours":
    case "hr":
    case "hrs":
    case "h":
      return Math.round(value * hour);
    case "day":
    case "days":
    case "d":
      return Math.round(value * day);
    case "week":
    case "weeks":
    case "w":
      return Math.round(value * week);
    default:
      return Math.round(value * year);
  }
};

// dist/browser/lib/jwt_claims_set.js
var normalizeTyp = (value) => value.toLowerCase().replace(/^application\//, "");
var checkAudiencePresence = (audPayload, audOption) => {
  if (typeof audPayload === "string") {
    return audOption.includes(audPayload);
  }
  if (Array.isArray(audPayload)) {
    return audOption.some(Set.prototype.has.bind(new Set(audPayload)));
  }
  return false;
};
var jwt_claims_set_default = (protectedHeader, encodedPayload, options = {}) => {
  const { typ } = options;
  if (typ && (typeof protectedHeader.typ !== "string" || normalizeTyp(protectedHeader.typ) !== normalizeTyp(typ))) {
    throw new JWTClaimValidationFailed('unexpected "typ" JWT header value', "typ", "check_failed");
  }
  let payload;
  try {
    payload = JSON.parse(decoder.decode(encodedPayload));
  } catch (_a) {
  }
  if (!isObject(payload)) {
    throw new JWTInvalid("JWT Claims Set must be a top-level JSON object");
  }
  const { issuer } = options;
  if (issuer && !(Array.isArray(issuer) ? issuer : [issuer]).includes(payload.iss)) {
    throw new JWTClaimValidationFailed('unexpected "iss" claim value', "iss", "check_failed");
  }
  const { subject } = options;
  if (subject && payload.sub !== subject) {
    throw new JWTClaimValidationFailed('unexpected "sub" claim value', "sub", "check_failed");
  }
  const { audience } = options;
  if (audience && !checkAudiencePresence(payload.aud, typeof audience === "string" ? [audience] : audience)) {
    throw new JWTClaimValidationFailed('unexpected "aud" claim value', "aud", "check_failed");
  }
  let tolerance;
  switch (typeof options.clockTolerance) {
    case "string":
      tolerance = secs_default(options.clockTolerance);
      break;
    case "number":
      tolerance = options.clockTolerance;
      break;
    case "undefined":
      tolerance = 0;
      break;
    default:
      throw new TypeError("Invalid clockTolerance option type");
  }
  const { currentDate } = options;
  const now = epoch_default(currentDate || new Date());
  if (payload.iat !== void 0 || options.maxTokenAge) {
    if (typeof payload.iat !== "number") {
      throw new JWTClaimValidationFailed('"iat" claim must be a number', "iat", "invalid");
    }
    if (payload.exp === void 0 && payload.iat > now + tolerance) {
      throw new JWTClaimValidationFailed('"iat" claim timestamp check failed (it should be in the past)', "iat", "check_failed");
    }
  }
  if (payload.nbf !== void 0) {
    if (typeof payload.nbf !== "number") {
      throw new JWTClaimValidationFailed('"nbf" claim must be a number', "nbf", "invalid");
    }
    if (payload.nbf > now + tolerance) {
      throw new JWTClaimValidationFailed('"nbf" claim timestamp check failed', "nbf", "check_failed");
    }
  }
  if (payload.exp !== void 0) {
    if (typeof payload.exp !== "number") {
      throw new JWTClaimValidationFailed('"exp" claim must be a number', "exp", "invalid");
    }
    if (payload.exp <= now - tolerance) {
      throw new JWTExpired('"exp" claim timestamp check failed', "exp", "check_failed");
    }
  }
  if (options.maxTokenAge) {
    const age = now - payload.iat;
    const max = typeof options.maxTokenAge === "number" ? options.maxTokenAge : secs_default(options.maxTokenAge);
    if (age - tolerance > max) {
      throw new JWTExpired('"iat" claim timestamp check failed (too far in the past)', "iat", "check_failed");
    }
    if (age < 0 - tolerance) {
      throw new JWTClaimValidationFailed('"iat" claim timestamp check failed (it should be in the past)', "iat", "check_failed");
    }
  }
  return payload;
};

// dist/browser/jwt/verify.js
async function jwtVerify(jwt, key, options) {
  var _a;
  const verified = await compactVerify(jwt, key, options);
  if (((_a = verified.protectedHeader.crit) === null || _a === void 0 ? void 0 : _a.includes("b64")) && verified.protectedHeader.b64 === false) {
    throw new JWTInvalid("JWTs MUST NOT use unencoded payload");
  }
  const payload = jwt_claims_set_default(verified.protectedHeader, verified.payload, options);
  const result = { payload, protectedHeader: verified.protectedHeader };
  if (typeof key === "function") {
    return { ...result, key: verified.key };
  }
  return result;
}

// dist/browser/jwt/decrypt.js
async function jwtDecrypt(jwt, key, options) {
  const decrypted = await compactDecrypt(jwt, key, options);
  const payload = jwt_claims_set_default(decrypted.protectedHeader, decrypted.plaintext, options);
  const { protectedHeader } = decrypted;
  if (protectedHeader.iss !== void 0 && protectedHeader.iss !== payload.iss) {
    throw new JWTClaimValidationFailed('replicated "iss" claim header parameter mismatch', "iss", "mismatch");
  }
  if (protectedHeader.sub !== void 0 && protectedHeader.sub !== payload.sub) {
    throw new JWTClaimValidationFailed('replicated "sub" claim header parameter mismatch', "sub", "mismatch");
  }
  if (protectedHeader.aud !== void 0 && JSON.stringify(protectedHeader.aud) !== JSON.stringify(payload.aud)) {
    throw new JWTClaimValidationFailed('replicated "aud" claim header parameter mismatch', "aud", "mismatch");
  }
  const result = { payload, protectedHeader };
  if (typeof key === "function") {
    return { ...result, key: decrypted.key };
  }
  return result;
}

// dist/browser/runtime/key_to_jwk.js
var keyToJWK = async (key) => {
  if (key instanceof Uint8Array) {
    return {
      kty: "oct",
      k: encode(key)
    };
  }
  if (!isCryptoKey(key)) {
    throw new TypeError(invalid_key_input_default(key, "CryptoKey", "Uint8Array"));
  }
  if (!key.extractable) {
    throw new TypeError("non-extractable CryptoKey cannot be exported as a JWK");
  }
  const { ext, key_ops, alg, use, ...jwk } = await webcrypto_default.subtle.exportKey("jwk", key);
  return jwk;
};
var key_to_jwk_default = keyToJWK;

// dist/browser/key/export.js
async function exportSPKI(key) {
  return toSPKI(key);
}
async function exportPKCS8(key) {
  return toPKCS8(key);
}
async function exportJWK(key) {
  return key_to_jwk_default(key);
}

// dist/browser/lib/encrypt_key_management.js
async function encryptKeyManagement(alg, enc, key, providedCek, providedParameters = {}) {
  let encryptedKey;
  let parameters;
  let cek;
  check_key_type_default(alg, key, "encrypt");
  switch (alg) {
    case "dir": {
      cek = key;
      break;
    }
    case "ECDH-ES":
    case "ECDH-ES+A128KW":
    case "ECDH-ES+A192KW":
    case "ECDH-ES+A256KW": {
      if (!ecdhAllowed(key)) {
        throw new JOSENotSupported("ECDH-ES with the provided key is not allowed or not supported by your javascript runtime");
      }
      const { apu, apv } = providedParameters;
      let { epk: ephemeralKey } = providedParameters;
      ephemeralKey || (ephemeralKey = await generateEpk(key));
      const { x, y, crv, kty } = await exportJWK(ephemeralKey);
      const sharedSecret = await deriveKey(key, ephemeralKey, alg === "ECDH-ES" ? enc : alg, parseInt(alg.substr(-5, 3), 10) || bitLength2(enc), apu, apv);
      parameters = { epk: { x, y, crv, kty } };
      if (apu)
        parameters.apu = encode(apu);
      if (apv)
        parameters.apv = encode(apv);
      if (alg === "ECDH-ES") {
        cek = sharedSecret;
        break;
      }
      cek = providedCek || cek_default(enc);
      const kwAlg = alg.substr(-6);
      encryptedKey = await wrap(kwAlg, sharedSecret, cek);
      break;
    }
    case "RSA1_5":
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512": {
      cek = providedCek || cek_default(enc);
      encryptedKey = await encrypt2(alg, key, cek);
      break;
    }
    case "PBES2-HS256+A128KW":
    case "PBES2-HS384+A192KW":
    case "PBES2-HS512+A256KW": {
      cek = providedCek || cek_default(enc);
      const { p2c, p2s: p2s2 } = providedParameters;
      ({ encryptedKey, ...parameters } = await encrypt(alg, key, cek, p2c, p2s2));
      break;
    }
    case "A128KW":
    case "A192KW":
    case "A256KW": {
      cek = providedCek || cek_default(enc);
      encryptedKey = await wrap(alg, key, cek);
      break;
    }
    case "A128GCMKW":
    case "A192GCMKW":
    case "A256GCMKW": {
      cek = providedCek || cek_default(enc);
      const { iv } = providedParameters;
      ({ encryptedKey, ...parameters } = await wrap2(alg, key, cek, iv));
      break;
    }
    default: {
      throw new JOSENotSupported('Invalid or unsupported "alg" (JWE Algorithm) header value');
    }
  }
  return { cek, encryptedKey, parameters };
}
var encrypt_key_management_default = encryptKeyManagement;

// dist/browser/jwe/flattened/encrypt.js
var FlattenedEncrypt = class {
  constructor(plaintext) {
    if (!(plaintext instanceof Uint8Array)) {
      throw new TypeError("plaintext must be an instance of Uint8Array");
    }
    this._plaintext = plaintext;
  }
  setKeyManagementParameters(parameters) {
    if (this._keyManagementParameters) {
      throw new TypeError("setKeyManagementParameters can only be called once");
    }
    this._keyManagementParameters = parameters;
    return this;
  }
  setProtectedHeader(protectedHeader) {
    if (this._protectedHeader) {
      throw new TypeError("setProtectedHeader can only be called once");
    }
    this._protectedHeader = protectedHeader;
    return this;
  }
  setSharedUnprotectedHeader(sharedUnprotectedHeader) {
    if (this._sharedUnprotectedHeader) {
      throw new TypeError("setSharedUnprotectedHeader can only be called once");
    }
    this._sharedUnprotectedHeader = sharedUnprotectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    if (this._unprotectedHeader) {
      throw new TypeError("setUnprotectedHeader can only be called once");
    }
    this._unprotectedHeader = unprotectedHeader;
    return this;
  }
  setAdditionalAuthenticatedData(aad) {
    this._aad = aad;
    return this;
  }
  setContentEncryptionKey(cek) {
    if (this._cek) {
      throw new TypeError("setContentEncryptionKey can only be called once");
    }
    this._cek = cek;
    return this;
  }
  setInitializationVector(iv) {
    if (this._iv) {
      throw new TypeError("setInitializationVector can only be called once");
    }
    this._iv = iv;
    return this;
  }
  async encrypt(key, options) {
    if (!this._protectedHeader && !this._unprotectedHeader && !this._sharedUnprotectedHeader) {
      throw new JWEInvalid("either setProtectedHeader, setUnprotectedHeader, or sharedUnprotectedHeader must be called before #encrypt()");
    }
    if (!is_disjoint_default(this._protectedHeader, this._unprotectedHeader, this._sharedUnprotectedHeader)) {
      throw new JWEInvalid("JWE Shared Protected, JWE Shared Unprotected and JWE Per-Recipient Header Parameter names must be disjoint");
    }
    const joseHeader = {
      ...this._protectedHeader,
      ...this._unprotectedHeader,
      ...this._sharedUnprotectedHeader
    };
    validate_crit_default(JWEInvalid, new Map(), options === null || options === void 0 ? void 0 : options.crit, this._protectedHeader, joseHeader);
    if (joseHeader.zip !== void 0) {
      if (!this._protectedHeader || !this._protectedHeader.zip) {
        throw new JWEInvalid('JWE "zip" (Compression Algorithm) Header MUST be integrity protected');
      }
      if (joseHeader.zip !== "DEF") {
        throw new JOSENotSupported('Unsupported JWE "zip" (Compression Algorithm) Header Parameter value');
      }
    }
    const { alg, enc } = joseHeader;
    if (typeof alg !== "string" || !alg) {
      throw new JWEInvalid('JWE "alg" (Algorithm) Header Parameter missing or invalid');
    }
    if (typeof enc !== "string" || !enc) {
      throw new JWEInvalid('JWE "enc" (Encryption Algorithm) Header Parameter missing or invalid');
    }
    let encryptedKey;
    if (alg === "dir") {
      if (this._cek) {
        throw new TypeError("setContentEncryptionKey cannot be called when using Direct Encryption");
      }
    } else if (alg === "ECDH-ES") {
      if (this._cek) {
        throw new TypeError("setContentEncryptionKey cannot be called when using Direct Key Agreement");
      }
    }
    let cek;
    {
      let parameters;
      ({ cek, encryptedKey, parameters } = await encrypt_key_management_default(alg, enc, key, this._cek, this._keyManagementParameters));
      if (parameters) {
        if (!this._protectedHeader) {
          this.setProtectedHeader(parameters);
        } else {
          this._protectedHeader = { ...this._protectedHeader, ...parameters };
        }
      }
    }
    this._iv || (this._iv = iv_default(enc));
    let additionalData;
    let protectedHeader;
    let aadMember;
    if (this._protectedHeader) {
      protectedHeader = encoder.encode(encode(JSON.stringify(this._protectedHeader)));
    } else {
      protectedHeader = encoder.encode("");
    }
    if (this._aad) {
      aadMember = encode(this._aad);
      additionalData = concat(protectedHeader, encoder.encode("."), encoder.encode(aadMember));
    } else {
      additionalData = protectedHeader;
    }
    let ciphertext;
    let tag;
    if (joseHeader.zip === "DEF") {
      const deflated = await ((options === null || options === void 0 ? void 0 : options.deflateRaw) || deflate)(this._plaintext);
      ({ ciphertext, tag } = await encrypt_default(enc, deflated, cek, this._iv, additionalData));
    } else {
      ;
      ({ ciphertext, tag } = await encrypt_default(enc, this._plaintext, cek, this._iv, additionalData));
    }
    const jwe = {
      ciphertext: encode(ciphertext),
      iv: encode(this._iv),
      tag: encode(tag)
    };
    if (encryptedKey) {
      jwe.encrypted_key = encode(encryptedKey);
    }
    if (aadMember) {
      jwe.aad = aadMember;
    }
    if (this._protectedHeader) {
      jwe.protected = decoder.decode(protectedHeader);
    }
    if (this._sharedUnprotectedHeader) {
      jwe.unprotected = this._sharedUnprotectedHeader;
    }
    if (this._unprotectedHeader) {
      jwe.header = this._unprotectedHeader;
    }
    return jwe;
  }
};

// dist/browser/jwe/compact/encrypt.js
var CompactEncrypt = class {
  constructor(plaintext) {
    this._flattened = new FlattenedEncrypt(plaintext);
  }
  setContentEncryptionKey(cek) {
    this._flattened.setContentEncryptionKey(cek);
    return this;
  }
  setInitializationVector(iv) {
    this._flattened.setInitializationVector(iv);
    return this;
  }
  setProtectedHeader(protectedHeader) {
    this._flattened.setProtectedHeader(protectedHeader);
    return this;
  }
  setKeyManagementParameters(parameters) {
    this._flattened.setKeyManagementParameters(parameters);
    return this;
  }
  async encrypt(key, options) {
    const jwe = await this._flattened.encrypt(key, options);
    return [jwe.protected, jwe.encrypted_key, jwe.iv, jwe.ciphertext, jwe.tag].join(".");
  }
};

// dist/browser/runtime/sign.js
var sign = async (alg, key, data) => {
  const cryptoKey = await getCryptoKey3(alg, key, "sign");
  check_key_length_default(alg, cryptoKey);
  const signature = await webcrypto_default.subtle.sign(subtleDsa(alg, cryptoKey.algorithm.namedCurve), cryptoKey, data);
  return new Uint8Array(signature);
};
var sign_default = sign;

// dist/browser/jws/flattened/sign.js
var FlattenedSign = class {
  constructor(payload) {
    if (!(payload instanceof Uint8Array)) {
      throw new TypeError("payload must be an instance of Uint8Array");
    }
    this._payload = payload;
  }
  setProtectedHeader(protectedHeader) {
    if (this._protectedHeader) {
      throw new TypeError("setProtectedHeader can only be called once");
    }
    this._protectedHeader = protectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    if (this._unprotectedHeader) {
      throw new TypeError("setUnprotectedHeader can only be called once");
    }
    this._unprotectedHeader = unprotectedHeader;
    return this;
  }
  async sign(key, options) {
    if (!this._protectedHeader && !this._unprotectedHeader) {
      throw new JWSInvalid("either setProtectedHeader or setUnprotectedHeader must be called before #sign()");
    }
    if (!is_disjoint_default(this._protectedHeader, this._unprotectedHeader)) {
      throw new JWSInvalid("JWS Protected and JWS Unprotected Header Parameter names must be disjoint");
    }
    const joseHeader = {
      ...this._protectedHeader,
      ...this._unprotectedHeader
    };
    const extensions = validate_crit_default(JWSInvalid, new Map([["b64", true]]), options === null || options === void 0 ? void 0 : options.crit, this._protectedHeader, joseHeader);
    let b64 = true;
    if (extensions.has("b64")) {
      b64 = this._protectedHeader.b64;
      if (typeof b64 !== "boolean") {
        throw new JWSInvalid('The "b64" (base64url-encode payload) Header Parameter must be a boolean');
      }
    }
    const { alg } = joseHeader;
    if (typeof alg !== "string" || !alg) {
      throw new JWSInvalid('JWS "alg" (Algorithm) Header Parameter missing or invalid');
    }
    check_key_type_default(alg, key, "sign");
    let payload = this._payload;
    if (b64) {
      payload = encoder.encode(encode(payload));
    }
    let protectedHeader;
    if (this._protectedHeader) {
      protectedHeader = encoder.encode(encode(JSON.stringify(this._protectedHeader)));
    } else {
      protectedHeader = encoder.encode("");
    }
    const data = concat(protectedHeader, encoder.encode("."), payload);
    const signature = await sign_default(alg, key, data);
    const jws = {
      signature: encode(signature),
      payload: ""
    };
    if (b64) {
      jws.payload = decoder.decode(payload);
    }
    if (this._unprotectedHeader) {
      jws.header = this._unprotectedHeader;
    }
    if (this._protectedHeader) {
      jws.protected = decoder.decode(protectedHeader);
    }
    return jws;
  }
};

// dist/browser/jws/compact/sign.js
var CompactSign = class {
  constructor(payload) {
    this._flattened = new FlattenedSign(payload);
  }
  setProtectedHeader(protectedHeader) {
    this._flattened.setProtectedHeader(protectedHeader);
    return this;
  }
  async sign(key, options) {
    const jws = await this._flattened.sign(key, options);
    if (jws.payload === void 0) {
      throw new TypeError("use the flattened module for creating JWS with b64: false");
    }
    return `${jws.protected}.${jws.payload}.${jws.signature}`;
  }
};

// dist/browser/jws/general/sign.js
var signatureRef = new WeakMap();
var IndividualSignature = class {
  setProtectedHeader(protectedHeader) {
    if (this._protectedHeader) {
      throw new TypeError("setProtectedHeader can only be called once");
    }
    this._protectedHeader = protectedHeader;
    return this;
  }
  setUnprotectedHeader(unprotectedHeader) {
    if (this._unprotectedHeader) {
      throw new TypeError("setUnprotectedHeader can only be called once");
    }
    this._unprotectedHeader = unprotectedHeader;
    return this;
  }
  set _protectedHeader(value) {
    signatureRef.get(this).protectedHeader = value;
  }
  get _protectedHeader() {
    return signatureRef.get(this).protectedHeader;
  }
  set _unprotectedHeader(value) {
    signatureRef.get(this).unprotectedHeader = value;
  }
  get _unprotectedHeader() {
    return signatureRef.get(this).unprotectedHeader;
  }
};
var GeneralSign = class {
  constructor(payload) {
    this._signatures = [];
    this._payload = payload;
  }
  addSignature(key, options) {
    const signature = new IndividualSignature();
    signatureRef.set(signature, { key, options });
    this._signatures.push(signature);
    return signature;
  }
  async sign() {
    if (!this._signatures.length) {
      throw new JWSInvalid("at least one signature must be added");
    }
    const jws = {
      signatures: [],
      payload: ""
    };
    let payloads = new Set();
    await Promise.all(this._signatures.map(async (sig) => {
      const { protectedHeader, unprotectedHeader, options, key } = signatureRef.get(sig);
      const flattened = new FlattenedSign(this._payload);
      if (protectedHeader) {
        flattened.setProtectedHeader(protectedHeader);
      }
      if (unprotectedHeader) {
        flattened.setUnprotectedHeader(unprotectedHeader);
      }
      const { payload, ...rest } = await flattened.sign(key, options);
      payloads.add(payload);
      jws.payload = payload;
      jws.signatures.push(rest);
    }));
    if (payloads.size !== 1) {
      throw new JWSInvalid("inconsistent use of JWS Unencoded Payload Option (RFC7797)");
    }
    return jws;
  }
};

// dist/browser/jwt/produce.js
var ProduceJWT = class {
  constructor(payload) {
    if (!isObject(payload)) {
      throw new TypeError("JWT Claims Set MUST be an object");
    }
    this._payload = payload;
  }
  setIssuer(issuer) {
    this._payload = { ...this._payload, iss: issuer };
    return this;
  }
  setSubject(subject) {
    this._payload = { ...this._payload, sub: subject };
    return this;
  }
  setAudience(audience) {
    this._payload = { ...this._payload, aud: audience };
    return this;
  }
  setJti(jwtId) {
    this._payload = { ...this._payload, jti: jwtId };
    return this;
  }
  setNotBefore(input) {
    if (typeof input === "number") {
      this._payload = { ...this._payload, nbf: input };
    } else {
      this._payload = { ...this._payload, nbf: epoch_default(new Date()) + secs_default(input) };
    }
    return this;
  }
  setExpirationTime(input) {
    if (typeof input === "number") {
      this._payload = { ...this._payload, exp: input };
    } else {
      this._payload = { ...this._payload, exp: epoch_default(new Date()) + secs_default(input) };
    }
    return this;
  }
  setIssuedAt(input) {
    if (typeof input === "undefined") {
      this._payload = { ...this._payload, iat: epoch_default(new Date()) };
    } else {
      this._payload = { ...this._payload, iat: input };
    }
    return this;
  }
};

// dist/browser/jwt/sign.js
var SignJWT = class extends ProduceJWT {
  setProtectedHeader(protectedHeader) {
    this._protectedHeader = protectedHeader;
    return this;
  }
  async sign(key, options) {
    var _a;
    const sig = new CompactSign(encoder.encode(JSON.stringify(this._payload)));
    sig.setProtectedHeader(this._protectedHeader);
    if (Array.isArray((_a = this._protectedHeader) === null || _a === void 0 ? void 0 : _a.crit) && this._protectedHeader.crit.includes("b64") && this._protectedHeader.b64 === false) {
      throw new JWTInvalid("JWTs MUST NOT use unencoded payload");
    }
    return sig.sign(key, options);
  }
};

// dist/browser/jwt/encrypt.js
var EncryptJWT = class extends ProduceJWT {
  setProtectedHeader(protectedHeader) {
    if (this._protectedHeader) {
      throw new TypeError("setProtectedHeader can only be called once");
    }
    this._protectedHeader = protectedHeader;
    return this;
  }
  setKeyManagementParameters(parameters) {
    if (this._keyManagementParameters) {
      throw new TypeError("setKeyManagementParameters can only be called once");
    }
    this._keyManagementParameters = parameters;
    return this;
  }
  setContentEncryptionKey(cek) {
    if (this._cek) {
      throw new TypeError("setContentEncryptionKey can only be called once");
    }
    this._cek = cek;
    return this;
  }
  setInitializationVector(iv) {
    if (this._iv) {
      throw new TypeError("setInitializationVector can only be called once");
    }
    this._iv = iv;
    return this;
  }
  replicateIssuerAsHeader() {
    this._replicateIssuerAsHeader = true;
    return this;
  }
  replicateSubjectAsHeader() {
    this._replicateSubjectAsHeader = true;
    return this;
  }
  replicateAudienceAsHeader() {
    this._replicateAudienceAsHeader = true;
    return this;
  }
  async encrypt(key, options) {
    const enc = new CompactEncrypt(encoder.encode(JSON.stringify(this._payload)));
    if (this._replicateIssuerAsHeader) {
      this._protectedHeader = { ...this._protectedHeader, iss: this._payload.iss };
    }
    if (this._replicateSubjectAsHeader) {
      this._protectedHeader = { ...this._protectedHeader, sub: this._payload.sub };
    }
    if (this._replicateAudienceAsHeader) {
      this._protectedHeader = { ...this._protectedHeader, aud: this._payload.aud };
    }
    enc.setProtectedHeader(this._protectedHeader);
    if (this._iv) {
      enc.setInitializationVector(this._iv);
    }
    if (this._cek) {
      enc.setContentEncryptionKey(this._cek);
    }
    if (this._keyManagementParameters) {
      enc.setKeyManagementParameters(this._keyManagementParameters);
    }
    return enc.encrypt(key, options);
  }
};

// dist/browser/jwk/thumbprint.js
var check = (value, description) => {
  if (typeof value !== "string" || !value) {
    throw new JWKInvalid(`${description} missing or invalid`);
  }
};
async function calculateJwkThumbprint(jwk, digestAlgorithm = "sha256") {
  if (!isObject(jwk)) {
    throw new TypeError("JWK must be an object");
  }
  let components;
  switch (jwk.kty) {
    case "EC":
      check(jwk.crv, '"crv" (Curve) Parameter');
      check(jwk.x, '"x" (X Coordinate) Parameter');
      check(jwk.y, '"y" (Y Coordinate) Parameter');
      components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x, y: jwk.y };
      break;
    case "OKP":
      check(jwk.crv, '"crv" (Subtype of Key Pair) Parameter');
      check(jwk.x, '"x" (Public Key) Parameter');
      components = { crv: jwk.crv, kty: jwk.kty, x: jwk.x };
      break;
    case "RSA":
      check(jwk.e, '"e" (Exponent) Parameter');
      check(jwk.n, '"n" (Modulus) Parameter');
      components = { e: jwk.e, kty: jwk.kty, n: jwk.n };
      break;
    case "oct":
      check(jwk.k, '"k" (Key Value) Parameter');
      components = { k: jwk.k, kty: jwk.kty };
      break;
    default:
      throw new JOSENotSupported('"kty" (Key Type) Parameter missing or unsupported');
  }
  const data = encoder.encode(JSON.stringify(components));
  return encode(await digest_default(digestAlgorithm, data));
}

// dist/browser/jwk/embedded.js
async function EmbeddedJWK(protectedHeader, token) {
  const joseHeader = {
    ...protectedHeader,
    ...token.header
  };
  if (!isObject(joseHeader.jwk)) {
    throw new JWSInvalid('"jwk" (JSON Web Key) Header Parameter must be a JSON object');
  }
  const key = await importJWK({ ...joseHeader.jwk, ext: true }, joseHeader.alg, true);
  if (key instanceof Uint8Array || key.type !== "public") {
    throw new JWSInvalid('"jwk" (JSON Web Key) Header Parameter must be a public key');
  }
  return key;
}

// dist/browser/runtime/fetch_jwks.js
var fetchJwks = async (url, timeout) => {
  let controller;
  let id;
  let timedOut = false;
  if (typeof AbortController === "function") {
    controller = new AbortController();
    id = setTimeout(() => {
      timedOut = true;
      controller.abort();
    }, timeout);
  }
  const response = await fetch(url.href, {
    signal: controller ? controller.signal : void 0,
    redirect: "manual",
    method: "GET",
    ...!isCloudflareWorkers() ? {
      referrerPolicy: "no-referrer",
      credentials: "omit",
      mode: "cors"
    } : void 0
  }).catch((err) => {
    if (timedOut)
      throw new JWKSTimeout();
    throw err;
  });
  if (id !== void 0)
    clearTimeout(id);
  if (response.status !== 200) {
    throw new JOSEError("Expected 200 OK from the JSON Web Key Set HTTP response");
  }
  try {
    return await response.json();
  } catch (_a) {
    throw new JOSEError("Failed to parse the JSON Web Key Set HTTP response as JSON");
  }
};
var fetch_jwks_default = fetchJwks;

// dist/browser/jwks/remote.js
function getKtyFromAlg(alg) {
  switch (typeof alg === "string" && alg.substr(0, 2)) {
    case "RS":
    case "PS":
      return "RSA";
    case "ES":
      return "EC";
    case "Ed":
      return "OKP";
    default:
      throw new JOSENotSupported('Unsupported "alg" value for a JSON Web Key Set');
  }
}
function isJWKLike(key) {
  return isObject(key);
}
var RemoteJWKSet = class {
  constructor(url, options) {
    this._cached = new WeakMap();
    if (!(url instanceof URL)) {
      throw new TypeError("url must be an instance of URL");
    }
    this._url = new URL(url.href);
    this._options = { agent: options === null || options === void 0 ? void 0 : options.agent };
    this._timeoutDuration = typeof (options === null || options === void 0 ? void 0 : options.timeoutDuration) === "number" ? options === null || options === void 0 ? void 0 : options.timeoutDuration : 5e3;
    this._cooldownDuration = typeof (options === null || options === void 0 ? void 0 : options.cooldownDuration) === "number" ? options === null || options === void 0 ? void 0 : options.cooldownDuration : 3e4;
  }
  coolingDown() {
    if (!this._cooldownStarted) {
      return false;
    }
    return Date.now() < this._cooldownStarted + this._cooldownDuration;
  }
  async getKey(protectedHeader) {
    if (!this._jwks) {
      await this.reload();
    }
    const candidates = this._jwks.keys.filter((jwk2) => {
      let candidate = jwk2.kty === getKtyFromAlg(protectedHeader.alg);
      if (candidate && typeof protectedHeader.kid === "string") {
        candidate = protectedHeader.kid === jwk2.kid;
      }
      if (candidate && typeof jwk2.alg === "string") {
        candidate = protectedHeader.alg === jwk2.alg;
      }
      if (candidate && typeof jwk2.use === "string") {
        candidate = jwk2.use === "sig";
      }
      if (candidate && Array.isArray(jwk2.key_ops)) {
        candidate = jwk2.key_ops.includes("verify");
      }
      if (candidate && protectedHeader.alg === "EdDSA") {
        candidate = jwk2.crv === "Ed25519" || jwk2.crv === "Ed448";
      }
      if (candidate) {
        switch (protectedHeader.alg) {
          case "ES256":
            candidate = jwk2.crv === "P-256";
            break;
          case "ES256K":
            candidate = jwk2.crv === "secp256k1";
            break;
          case "ES384":
            candidate = jwk2.crv === "P-384";
            break;
          case "ES512":
            candidate = jwk2.crv === "P-521";
            break;
          default:
        }
      }
      return candidate;
    });
    const { 0: jwk, length } = candidates;
    if (length === 0) {
      if (this.coolingDown() === false) {
        await this.reload();
        return this.getKey(protectedHeader);
      }
      throw new JWKSNoMatchingKey();
    } else if (length !== 1) {
      throw new JWKSMultipleMatchingKeys();
    }
    const cached = this._cached.get(jwk) || this._cached.set(jwk, {}).get(jwk);
    if (cached[protectedHeader.alg] === void 0) {
      const keyObject = await importJWK({ ...jwk, ext: true }, protectedHeader.alg);
      if (keyObject instanceof Uint8Array || keyObject.type !== "public") {
        throw new JWKSInvalid("JSON Web Key Set members must be public keys");
      }
      cached[protectedHeader.alg] = keyObject;
    }
    return cached[protectedHeader.alg];
  }
  async reload() {
    if (!this._pendingFetch) {
      this._pendingFetch = fetch_jwks_default(this._url, this._timeoutDuration, this._options).then((json) => {
        if (typeof json !== "object" || !json || !Array.isArray(json.keys) || !json.keys.every(isJWKLike)) {
          throw new JWKSInvalid("JSON Web Key Set malformed");
        }
        this._jwks = { keys: json.keys };
        this._cooldownStarted = Date.now();
        this._pendingFetch = void 0;
      }).catch((err) => {
        this._pendingFetch = void 0;
        throw err;
      });
    }
    await this._pendingFetch;
  }
};
function createRemoteJWKSet(url, options) {
  return RemoteJWKSet.prototype.getKey.bind(new RemoteJWKSet(url, options));
}

// dist/browser/jwt/unsecured.js
var UnsecuredJWT = class extends ProduceJWT {
  encode() {
    const header = encode(JSON.stringify({ alg: "none" }));
    const payload = encode(JSON.stringify(this._payload));
    return `${header}.${payload}.`;
  }
  static decode(jwt, options) {
    if (typeof jwt !== "string") {
      throw new JWTInvalid("Unsecured JWT must be a string");
    }
    const { 0: encodedHeader, 1: encodedPayload, 2: signature, length } = jwt.split(".");
    if (length !== 3 || signature !== "") {
      throw new JWTInvalid("Invalid Unsecured JWT");
    }
    let header;
    try {
      header = JSON.parse(decoder.decode(decode(encodedHeader)));
      if (header.alg !== "none")
        throw new Error();
    } catch (_a) {
      throw new JWTInvalid("Invalid Unsecured JWT");
    }
    const payload = jwt_claims_set_default(header, decode(encodedPayload), options);
    return { payload, header };
  }
};

// dist/browser/util/base64url.js
var base64url_exports = {};
__export(base64url_exports, {
  decode: () => decode2,
  encode: () => encode2
});
var encode2 = encode;
var decode2 = decode;

// dist/browser/util/decode_protected_header.js
function decodeProtectedHeader(token) {
  let protectedB64u;
  if (typeof token === "string") {
    const parts = token.split(".");
    if (parts.length === 3 || parts.length === 5) {
      ;
      [protectedB64u] = parts;
    }
  } else if (typeof token === "object" && token) {
    if ("protected" in token) {
      protectedB64u = token.protected;
    } else {
      throw new TypeError("Token does not contain a Protected Header");
    }
  }
  try {
    if (typeof protectedB64u !== "string" || !protectedB64u) {
      throw new Error();
    }
    const result = JSON.parse(decoder.decode(decode2(protectedB64u)));
    if (!isObject(result)) {
      throw new Error();
    }
    return result;
  } catch (_a) {
    throw new TypeError("Invalid Token or Protected Header formatting");
  }
}

// dist/browser/runtime/generate.js
async function generateSecret(alg, options) {
  var _a;
  let length;
  let algorithm;
  let keyUsages;
  switch (alg) {
    case "HS256":
    case "HS384":
    case "HS512":
      length = parseInt(alg.substr(-3), 10);
      algorithm = { name: "HMAC", hash: `SHA-${length}`, length };
      keyUsages = ["sign", "verify"];
      break;
    case "A128CBC-HS256":
    case "A192CBC-HS384":
    case "A256CBC-HS512":
      length = parseInt(alg.substr(-3), 10);
      return random_default(new Uint8Array(length >> 3));
    case "A128KW":
    case "A192KW":
    case "A256KW":
      length = parseInt(alg.substring(1, 4), 10);
      algorithm = { name: "AES-KW", length };
      keyUsages = ["wrapKey", "unwrapKey"];
      break;
    case "A128GCMKW":
    case "A192GCMKW":
    case "A256GCMKW":
    case "A128GCM":
    case "A192GCM":
    case "A256GCM":
      length = parseInt(alg.substring(1, 4), 10);
      algorithm = { name: "AES-GCM", length };
      keyUsages = ["encrypt", "decrypt"];
      break;
    default:
      throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
  }
  return webcrypto_default.subtle.generateKey(algorithm, (_a = options === null || options === void 0 ? void 0 : options.extractable) !== null && _a !== void 0 ? _a : false, keyUsages);
}
function getModulusLengthOption(options) {
  var _a;
  const modulusLength = (_a = options === null || options === void 0 ? void 0 : options.modulusLength) !== null && _a !== void 0 ? _a : 2048;
  if (typeof modulusLength !== "number" || modulusLength < 2048) {
    throw new JOSENotSupported("Invalid or unsupported modulusLength option provided, 2048 bits or larger keys must be used");
  }
  return modulusLength;
}
async function generateKeyPair(alg, options) {
  var _a, _b;
  let algorithm;
  let keyUsages;
  switch (alg) {
    case "PS256":
    case "PS384":
    case "PS512":
      algorithm = {
        name: "RSA-PSS",
        hash: `SHA-${alg.substr(-3)}`,
        publicExponent: new Uint8Array([1, 0, 1]),
        modulusLength: getModulusLengthOption(options)
      };
      keyUsages = ["sign", "verify"];
      break;
    case "RS256":
    case "RS384":
    case "RS512":
      algorithm = {
        name: "RSASSA-PKCS1-v1_5",
        hash: `SHA-${alg.substr(-3)}`,
        publicExponent: new Uint8Array([1, 0, 1]),
        modulusLength: getModulusLengthOption(options)
      };
      keyUsages = ["sign", "verify"];
      break;
    case "RSA-OAEP":
    case "RSA-OAEP-256":
    case "RSA-OAEP-384":
    case "RSA-OAEP-512":
      algorithm = {
        name: "RSA-OAEP",
        hash: `SHA-${parseInt(alg.substr(-3), 10) || 1}`,
        publicExponent: new Uint8Array([1, 0, 1]),
        modulusLength: getModulusLengthOption(options)
      };
      keyUsages = ["decrypt", "unwrapKey", "encrypt", "wrapKey"];
      break;
    case "ES256":
      algorithm = { name: "ECDSA", namedCurve: "P-256" };
      keyUsages = ["sign", "verify"];
      break;
    case "ES384":
      algorithm = { name: "ECDSA", namedCurve: "P-384" };
      keyUsages = ["sign", "verify"];
      break;
    case "ES512":
      algorithm = { name: "ECDSA", namedCurve: "P-521" };
      keyUsages = ["sign", "verify"];
      break;
    case ((isCloudflareWorkers() || isNodeJs()) && "EdDSA"):
      switch (options === null || options === void 0 ? void 0 : options.crv) {
        case void 0:
        case "Ed25519":
          algorithm = { name: "NODE-ED25519", namedCurve: "NODE-ED25519" };
          keyUsages = ["sign", "verify"];
          break;
        case (isNodeJs() && "Ed448"):
          algorithm = { name: "NODE-ED448", namedCurve: "NODE-ED448" };
          keyUsages = ["sign", "verify"];
          break;
        default:
          throw new JOSENotSupported("Invalid or unsupported crv option provided, supported values are Ed25519 and Ed448");
      }
      break;
    case "ECDH-ES":
    case "ECDH-ES+A128KW":
    case "ECDH-ES+A192KW":
    case "ECDH-ES+A256KW":
      algorithm = { name: "ECDH", namedCurve: (_a = options === null || options === void 0 ? void 0 : options.crv) !== null && _a !== void 0 ? _a : "P-256" };
      keyUsages = ["deriveKey", "deriveBits"];
      break;
    default:
      throw new JOSENotSupported('Invalid or unsupported JWK "alg" (Algorithm) Parameter value');
  }
  return webcrypto_default.subtle.generateKey(algorithm, (_b = options === null || options === void 0 ? void 0 : options.extractable) !== null && _b !== void 0 ? _b : false, keyUsages);
}

// dist/browser/key/generate_key_pair.js
async function generateKeyPair2(alg, options) {
  return generateKeyPair(alg, options);
}

// dist/browser/key/generate_secret.js
async function generateSecret2(alg, options) {
  return generateSecret(alg, options);
}
export {
  CompactEncrypt,
  CompactSign,
  EmbeddedJWK,
  EncryptJWT,
  FlattenedEncrypt,
  FlattenedSign,
  GeneralSign,
  SignJWT,
  UnsecuredJWT,
  base64url_exports as base64url,
  calculateJwkThumbprint,
  compactDecrypt,
  compactVerify,
  createRemoteJWKSet,
  decodeProtectedHeader,
  errors_exports as errors,
  exportJWK,
  exportPKCS8,
  exportSPKI,
  flattenedDecrypt,
  flattenedVerify,
  generalDecrypt,
  generalVerify,
  generateKeyPair2 as generateKeyPair,
  generateSecret2 as generateSecret,
  importJWK,
  importPKCS8,
  importSPKI,
  importX509,
  jwtDecrypt,
  jwtVerify
};
