text: /* ====================================================================
   * Copyright (c) 2008 The OpenSSL Project. All rights reserved.
   *
   * Rights for redistribution and usage in source and binary
   * forms are granted according to the OpenSSL license.
   */
  
  #include <stddef.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  typedef void (*block128_f) (const unsigned char in[16],
                              unsigned char out[16], const void *key);
  
  typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
                            size_t len, const void *key,
                            unsigned char ivec[16], int enc);
  
  typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
                            size_t blocks, const void *key,
                            const unsigned char ivec[16]);
  
  typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
                            size_t blocks, const void *key,
                            const unsigned char ivec[16],
                            unsigned char cmac[16]);
  
  void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t len, const void *key,
                             unsigned char ivec[16], block128_f block);
  void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
                             size_t len, const void *key,
                             unsigned char ivec[16], block128_f block);
  
  void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t len, const void *key,
                             unsigned char ivec[16],
                             unsigned char ecount_buf[16], unsigned int *num,
                             block128_f block);
  
  void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
                                   size_t len, const void *key,
                                   unsigned char ivec[16],
                                   unsigned char ecount_buf[16],
                                   unsigned int *num, ctr128_f ctr);
  
  void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t len, const void *key,
                             unsigned char ivec[16], int *num,
                             block128_f block);
  
  void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
                             size_t len, const void *key,
                             unsigned char ivec[16], int *num,
                             int enc, block128_f block);
  void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
                               size_t length, const void *key,
                               unsigned char ivec[16], int *num,
                               int enc, block128_f block);
  void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
                               size_t bits, const void *key,
                               unsigned char ivec[16], int *num,
                               int enc, block128_f block);
  
  size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
                                     unsigned char *out, size_t len,
                                     const void *key, unsigned char ivec[16],
                                     block128_f block);
  size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
                               size_t len, const void *key,
                               unsigned char ivec[16], cbc128_f cbc);
  size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
                                     unsigned char *out, size_t len,
                                     const void *key, unsigned char ivec[16],
                                     block128_f block);
  size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
                               size_t len, const void *key,
                               unsigned char ivec[16], cbc128_f cbc);
  
  size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
                                         unsigned char *out, size_t len,
                                         const void *key,
                                         unsigned char ivec[16],
                                         block128_f block);
  size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
                                   size_t len, const void *key,
                                   unsigned char ivec[16], cbc128_f cbc);
  size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
                                         unsigned char *out, size_t len,
                                         const void *key,
                                         unsigned char ivec[16],
                                         block128_f block);
  size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
                                   size_t len, const void *key,
                                   unsigned char ivec[16], cbc128_f cbc);
  
  typedef struct gcm128_context GCM128_CONTEXT;
  
  GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
  void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
  void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
                           size_t len);
  int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
                        size_t len);
  int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
                            const unsigned char *in, unsigned char *out,
                            size_t len);
  int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
                            const unsigned char *in, unsigned char *out,
                            size_t len);
  int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
                                  const unsigned char *in, unsigned char *out,
                                  size_t len, ctr128_f stream);
  int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
                                  const unsigned char *in, unsigned char *out,
                                  size_t len, ctr128_f stream);
  int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
                           size_t len);
  void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
  void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
  
  typedef struct ccm128_context CCM128_CONTEXT;
  
  void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
                          unsigned int M, unsigned int L, void *key,
                          block128_f block);
  int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
                          size_t nlen, size_t mlen);
  void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
                         size_t alen);
  int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
                            unsigned char *out, size_t len);
  int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
                            unsigned char *out, size_t len);
  int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
                                  unsigned char *out, size_t len,
                                  ccm128_f stream);
  int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
                                  unsigned char *out, size_t len,
                                  ccm128_f stream);
  size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
  
  typedef struct xts128_context XTS128_CONTEXT;
  
  int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
                            const unsigned char iv[16],
                            const unsigned char *inp, unsigned char *out,
                            size_t len, int enc);
  
  size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
                         unsigned char *out,
                         const unsigned char *in, size_t inlen,
                         block128_f block);
  
  size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
                           unsigned char *out,
                           const unsigned char *in, size_t inlen,
                           block128_f block);
  
  #ifdef  __cplusplus
  }
  #endif
  