text: /*
   * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the OpenSSL license (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #ifndef HEADER_RSA_H
  # define HEADER_RSA_H
  
  # include <openssl/opensslconf.h>
  
  # ifndef OPENSSL_NO_RSA
  # include <openssl/asn1.h>
  # include <openssl/bio.h>
  # include <openssl/crypto.h>
  # include <openssl/ossl_typ.h>
  # if OPENSSL_API_COMPAT < 0x10100000L
  #  include <openssl/bn.h>
  # endif
  # ifdef  __cplusplus
  extern "C" {
  # endif
  
  /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
  
  # ifndef OPENSSL_RSA_MAX_MODULUS_BITS
  #  define OPENSSL_RSA_MAX_MODULUS_BITS   16384
  # endif
  
  # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
  
  # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
  #  define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
  # endif
  # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
  
  /* exponent limit enforced for "large" modulus only */
  #  define OPENSSL_RSA_MAX_PUBEXP_BITS    64
  # endif
  
  # define RSA_3   0x3L
  # define RSA_F4  0x10001L
  
  # define RSA_METHOD_FLAG_NO_CHECK        0x0001/* don't check pub/private
                                                  * match */
  
  # define RSA_FLAG_CACHE_PUBLIC           0x0002
  # define RSA_FLAG_CACHE_PRIVATE          0x0004
  # define RSA_FLAG_BLINDING               0x0008
  # define RSA_FLAG_THREAD_SAFE            0x0010
  /*
   * This flag means the private key operations will be handled by rsa_mod_exp
   * and that they do not depend on the private key components being present:
   * for example a key stored in external hardware. Without this flag
   * bn_mod_exp gets called when private key components are absent.
   */
  # define RSA_FLAG_EXT_PKEY               0x0020
  
  /*
   * new with 0.9.6j and 0.9.7b; the built-in
   * RSA implementation now uses blinding by
   * default (ignoring RSA_FLAG_BLINDING),
   * but other engines might not need it
   */
  # define RSA_FLAG_NO_BLINDING            0x0080
  # if OPENSSL_API_COMPAT < 0x10100000L
  /*
   * Does nothing. Previously this switched off constant time behaviour.
   */
  #  define RSA_FLAG_NO_CONSTTIME           0x0000
  # endif
  # if OPENSSL_API_COMPAT < 0x00908000L
  /* deprecated name for the flag*/
  /*
   * new with 0.9.7h; the built-in RSA
   * implementation now uses constant time
   * modular exponentiation for secret exponents
   * by default. This flag causes the
   * faster variable sliding window method to
   * be used for all exponents.
   */
  #  define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
  # endif
  
  # define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
                                  pad, NULL)
  
  # define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
                                  EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
  
  # define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
                                  (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
                                  EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
                                  len, NULL)
  
  # define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
                                  (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
                                  EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
                                  0, plen)
  
  # define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
                                  EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
  
  # define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
          EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
                                  EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
  
  # define  EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md)  \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
                          EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
                                  EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
  
  # define  EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md)  \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
                                  EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
  
  # define  EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
                          EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
                                  EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
  
  # define  EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
                                  EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
  
  # define  EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
                                  EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
  
  # define  EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l)       \
                  EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
                                  EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
  
  # define EVP_PKEY_CTRL_RSA_PADDING       (EVP_PKEY_ALG_CTRL + 1)
  # define EVP_PKEY_CTRL_RSA_PSS_SALTLEN   (EVP_PKEY_ALG_CTRL + 2)
  
  # define EVP_PKEY_CTRL_RSA_KEYGEN_BITS   (EVP_PKEY_ALG_CTRL + 3)
  # define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
  # define EVP_PKEY_CTRL_RSA_MGF1_MD       (EVP_PKEY_ALG_CTRL + 5)
  
  # define EVP_PKEY_CTRL_GET_RSA_PADDING           (EVP_PKEY_ALG_CTRL + 6)
  # define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN       (EVP_PKEY_ALG_CTRL + 7)
  # define EVP_PKEY_CTRL_GET_RSA_MGF1_MD           (EVP_PKEY_ALG_CTRL + 8)
  
  # define EVP_PKEY_CTRL_RSA_OAEP_MD       (EVP_PKEY_ALG_CTRL + 9)
  # define EVP_PKEY_CTRL_RSA_OAEP_LABEL    (EVP_PKEY_ALG_CTRL + 10)
  
  # define EVP_PKEY_CTRL_GET_RSA_OAEP_MD   (EVP_PKEY_ALG_CTRL + 11)
  # define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
  
  # define RSA_PKCS1_PADDING       1
  # define RSA_SSLV23_PADDING      2
  # define RSA_NO_PADDING          3
  # define RSA_PKCS1_OAEP_PADDING  4
  # define RSA_X931_PADDING        5
  /* EVP_PKEY_ only */
  # define RSA_PKCS1_PSS_PADDING   6
  
  # define RSA_PKCS1_PADDING_SIZE  11
  
  # define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
  # define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
  
  RSA *RSA_new(void);
  RSA *RSA_new_method(ENGINE *engine);
  int RSA_bits(const RSA *rsa);
  int RSA_size(const RSA *rsa);
  int RSA_security_bits(const RSA *rsa);
  
  int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
  int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
  int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
  void RSA_get0_key(const RSA *r,
                    const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
  void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
  void RSA_get0_crt_params(const RSA *r,
                           const BIGNUM **dmp1, const BIGNUM **dmq1,
                           const BIGNUM **iqmp);
  void RSA_clear_flags(RSA *r, int flags);
  int RSA_test_flags(const RSA *r, int flags);
  void RSA_set_flags(RSA *r, int flags);
  ENGINE *RSA_get0_engine(const RSA *r);
  
  /* Deprecated version */
  DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void
                                           (*callback) (int, int, void *),
                                           void *cb_arg))
  
  /* New version */
  int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
  
  int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1,
                         BIGNUM *q2, const BIGNUM *Xp1, const BIGNUM *Xp2,
                         const BIGNUM *Xp, const BIGNUM *Xq1, const BIGNUM *Xq2,
                         const BIGNUM *Xq, const BIGNUM *e, BN_GENCB *cb);
  int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
                               BN_GENCB *cb);
  
  int RSA_check_key(const RSA *);
  int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
          /* next 4 return -1 on error */
  int RSA_public_encrypt(int flen, const unsigned char *from,
                         unsigned char *to, RSA *rsa, int padding);
  int RSA_private_encrypt(int flen, const unsigned char *from,
                          unsigned char *to, RSA *rsa, int padding);
  int RSA_public_decrypt(int flen, const unsigned char *from,
                         unsigned char *to, RSA *rsa, int padding);
  int RSA_private_decrypt(int flen, const unsigned char *from,
                          unsigned char *to, RSA *rsa, int padding);
  void RSA_free(RSA *r);
  /* "up" the RSA object's reference count */
  int RSA_up_ref(RSA *r);
  
  int RSA_flags(const RSA *r);
  
  void RSA_set_default_method(const RSA_METHOD *meth);
  const RSA_METHOD *RSA_get_default_method(void);
  const RSA_METHOD *RSA_get_method(const RSA *rsa);
  int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
  
  /* these are the actual RSA functions */
  const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
  
  const RSA_METHOD *RSA_null_method(void);
  
  DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
  DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
  
  typedef struct rsa_pss_params_st {
      X509_ALGOR *hashAlgorithm;
      X509_ALGOR *maskGenAlgorithm;
      ASN1_INTEGER *saltLength;
      ASN1_INTEGER *trailerField;
  } RSA_PSS_PARAMS;
  
  DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
  
  typedef struct rsa_oaep_params_st {
      X509_ALGOR *hashFunc;
      X509_ALGOR *maskGenFunc;
      X509_ALGOR *pSourceFunc;
  } RSA_OAEP_PARAMS;
  
  DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
  
  # ifndef OPENSSL_NO_STDIO
  int RSA_print_fp(FILE *fp, const RSA *r, int offset);
  # endif
  
  int RSA_print(BIO *bp, const RSA *r, int offset);
  
  /*
   * The following 2 functions sign and verify a X509_SIG ASN1 object inside
   * PKCS#1 padded RSA encryption
   */
  int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
               unsigned char *sigret, unsigned int *siglen, RSA *rsa);
  int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
                 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
  
  /*
   * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
   * PKCS#1 padded RSA encryption
   */
  int RSA_sign_ASN1_OCTET_STRING(int type,
                                 const unsigned char *m, unsigned int m_length,
                                 unsigned char *sigret, unsigned int *siglen,
                                 RSA *rsa);
  int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
                                   unsigned int m_length, unsigned char *sigbuf,
                                   unsigned int siglen, RSA *rsa);
  
  int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
  void RSA_blinding_off(RSA *rsa);
  BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
  
  int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
                                   const unsigned char *f, int fl);
  int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
                                     const unsigned char *f, int fl,
                                     int rsa_len);
  int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
                                   const unsigned char *f, int fl);
  int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
                                     const unsigned char *f, int fl,
                                     int rsa_len);
  int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
                 long seedlen, const EVP_MD *dgst);
  int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
                                 const unsigned char *f, int fl,
                                 const unsigned char *p, int pl);
  int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
                                   const unsigned char *f, int fl, int rsa_len,
                                   const unsigned char *p, int pl);
  int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
                                      const unsigned char *from, int flen,
                                      const unsigned char *param, int plen,
                                      const EVP_MD *md, const EVP_MD *mgf1md);
  int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
                                        const unsigned char *from, int flen,
                                        int num, const unsigned char *param,
                                        int plen, const EVP_MD *md,
                                        const EVP_MD *mgf1md);
  int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
                             const unsigned char *f, int fl);
  int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
                               const unsigned char *f, int fl, int rsa_len);
  int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
                           int fl);
  int RSA_padding_check_none(unsigned char *to, int tlen,
                             const unsigned char *f, int fl, int rsa_len);
  int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
                           int fl);
  int RSA_padding_check_X931(unsigned char *to, int tlen,
                             const unsigned char *f, int fl, int rsa_len);
  int RSA_X931_hash_id(int nid);
  
  int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
                           const EVP_MD *Hash, const unsigned char *EM,
                           int sLen);
  int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
                                const unsigned char *mHash, const EVP_MD *Hash,
                                int sLen);
  
  int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
                                const EVP_MD *Hash, const EVP_MD *mgf1Hash,
                                const unsigned char *EM, int sLen);
  
  int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
                                     const unsigned char *mHash,
                                     const EVP_MD *Hash, const EVP_MD *mgf1Hash,
                                     int sLen);
  
  #define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
      CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
  int RSA_set_ex_data(RSA *r, int idx, void *arg);
  void *RSA_get_ex_data(const RSA *r, int idx);
  
  RSA *RSAPublicKey_dup(RSA *rsa);
  RSA *RSAPrivateKey_dup(RSA *rsa);
  
  /*
   * If this flag is set the RSA method is FIPS compliant and can be used in
   * FIPS mode. This is set in the validated module method. If an application
   * sets this flag in its own methods it is its responsibility to ensure the
   * result is compliant.
   */
  
  # define RSA_FLAG_FIPS_METHOD                    0x0400
  
  /*
   * If this flag is set the operations normally disabled in FIPS mode are
   * permitted it is then the applications responsibility to ensure that the
   * usage is compliant.
   */
  
  # define RSA_FLAG_NON_FIPS_ALLOW                 0x0400
  /*
   * Application has decided PRNG is good enough to generate a key: don't
   * check.
   */
  # define RSA_FLAG_CHECKED                        0x0800
  
  RSA_METHOD *RSA_meth_new(const char *name, int flags);
  void RSA_meth_free(RSA_METHOD *meth);
  RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
  const char *RSA_meth_get0_name(const RSA_METHOD *meth);
  int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
  int RSA_meth_get_flags(const RSA_METHOD *meth);
  int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
  void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
  int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data);
  int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
      (int flen, const unsigned char *from,
       unsigned char *to, RSA *rsa, int padding);
  int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
                           int (*pub_enc) (int flen, const unsigned char *from,
                                           unsigned char *to, RSA *rsa,
                                           int padding));
  int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
      (int flen, const unsigned char *from,
       unsigned char *to, RSA *rsa, int padding);
  int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
                           int (*pub_dec) (int flen, const unsigned char *from,
                                           unsigned char *to, RSA *rsa,
                                           int padding));
  int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
      (int flen, const unsigned char *from,
       unsigned char *to, RSA *rsa, int padding);
  int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
                            int (*priv_enc) (int flen, const unsigned char *from,
                                             unsigned char *to, RSA *rsa,
                                             int padding));
  int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
      (int flen, const unsigned char *from,
       unsigned char *to, RSA *rsa, int padding);
  int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
                            int (*priv_dec) (int flen, const unsigned char *from,
                                             unsigned char *to, RSA *rsa,
                                             int padding));
  int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
      (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
  int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
                           int (*mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa,
                                           BN_CTX *ctx));
  int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
      (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
       const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
  int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
                              int (*bn_mod_exp) (BIGNUM *r,
                                                 const BIGNUM *a,
                                                 const BIGNUM *p,
                                                 const BIGNUM *m,
                                                 BN_CTX *ctx,
                                                 BN_MONT_CTX *m_ctx));
  int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
  int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
  int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
  int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
  int (*RSA_meth_get_sign(const RSA_METHOD *meth))
      (int type,
       const unsigned char *m, unsigned int m_length,
       unsigned char *sigret, unsigned int *siglen,
       const RSA *rsa);
  int RSA_meth_set_sign(RSA_METHOD *rsa,
                        int (*sign) (int type, const unsigned char *m,
                                     unsigned int m_length,
                                     unsigned char *sigret, unsigned int *siglen,
                                     const RSA *rsa));
  int (*RSA_meth_get_verify(const RSA_METHOD *meth))
      (int dtype, const unsigned char *m,
       unsigned int m_length, const unsigned char *sigbuf,
       unsigned int siglen, const RSA *rsa);
  int RSA_meth_set_verify(RSA_METHOD *rsa,
                          int (*verify) (int dtype, const unsigned char *m,
                                         unsigned int m_length,
                                         const unsigned char *sigbuf,
                                         unsigned int siglen, const RSA *rsa));
  int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
      (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
  int RSA_meth_set_keygen(RSA_METHOD *rsa,
                          int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
                                         BN_GENCB *cb));
  
  /* BEGIN ERROR CODES */
  /*
   * The following lines are auto generated by the script mkerr.pl. Any changes
   * made after this point may be overwritten when the script is next run.
   */
  
  int ERR_load_RSA_strings(void);
  
  /* Error codes for the RSA functions. */
  
  /* Function codes. */
  # define RSA_F_CHECK_PADDING_MD                           140
  # define RSA_F_ENCODE_PKCS1                               146
  # define RSA_F_INT_RSA_VERIFY                             145
  # define RSA_F_OLD_RSA_PRIV_DECODE                        147
  # define RSA_F_PKEY_RSA_CTRL                              143
  # define RSA_F_PKEY_RSA_CTRL_STR                          144
  # define RSA_F_PKEY_RSA_SIGN                              142
  # define RSA_F_PKEY_RSA_VERIFY                            149
  # define RSA_F_PKEY_RSA_VERIFYRECOVER                     141
  # define RSA_F_RSA_ALGOR_TO_MD                            156
  # define RSA_F_RSA_BUILTIN_KEYGEN                         129
  # define RSA_F_RSA_CHECK_KEY                              123
  # define RSA_F_RSA_CHECK_KEY_EX                           160
  # define RSA_F_RSA_CMS_DECRYPT                            159
  # define RSA_F_RSA_ITEM_VERIFY                            148
  # define RSA_F_RSA_METH_DUP                               161
  # define RSA_F_RSA_METH_NEW                               162
  # define RSA_F_RSA_METH_SET1_NAME                         163
  # define RSA_F_RSA_MGF1_TO_MD                             157
  # define RSA_F_RSA_NEW_METHOD                             106
  # define RSA_F_RSA_NULL                                   124
  # define RSA_F_RSA_NULL_PRIVATE_DECRYPT                   132
  # define RSA_F_RSA_NULL_PRIVATE_ENCRYPT                   133
  # define RSA_F_RSA_NULL_PUBLIC_DECRYPT                    134
  # define RSA_F_RSA_NULL_PUBLIC_ENCRYPT                    135
  # define RSA_F_RSA_OSSL_PRIVATE_DECRYPT                   101
  # define RSA_F_RSA_OSSL_PRIVATE_ENCRYPT                   102
  # define RSA_F_RSA_OSSL_PUBLIC_DECRYPT                    103
  # define RSA_F_RSA_OSSL_PUBLIC_ENCRYPT                    104
  # define RSA_F_RSA_PADDING_ADD_NONE                       107
  # define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP                 121
  # define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1            154
  # define RSA_F_RSA_PADDING_ADD_PKCS1_PSS                  125
  # define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1             152
  # define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1               108
  # define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2               109
  # define RSA_F_RSA_PADDING_ADD_SSLV23                     110
  # define RSA_F_RSA_PADDING_ADD_X931                       127
  # define RSA_F_RSA_PADDING_CHECK_NONE                     111
  # define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP               122
  # define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1          153
  # define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1             112
  # define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2             113
  # define RSA_F_RSA_PADDING_CHECK_SSLV23                   114
  # define RSA_F_RSA_PADDING_CHECK_X931                     128
  # define RSA_F_RSA_PRINT                                  115
  # define RSA_F_RSA_PRINT_FP                               116
  # define RSA_F_RSA_PRIV_ENCODE                            138
  # define RSA_F_RSA_PSS_TO_CTX                             155
  # define RSA_F_RSA_PUB_DECODE                             139
  # define RSA_F_RSA_SETUP_BLINDING                         136
  # define RSA_F_RSA_SIGN                                   117
  # define RSA_F_RSA_SIGN_ASN1_OCTET_STRING                 118
  # define RSA_F_RSA_VERIFY                                 119
  # define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING               120
  # define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1                  126
  
  /* Reason codes. */
  # define RSA_R_ALGORITHM_MISMATCH                         100
  # define RSA_R_BAD_E_VALUE                                101
  # define RSA_R_BAD_FIXED_HEADER_DECRYPT                   102
  # define RSA_R_BAD_PAD_BYTE_COUNT                         103
  # define RSA_R_BAD_SIGNATURE                              104
  # define RSA_R_BLOCK_TYPE_IS_NOT_01                       106
  # define RSA_R_BLOCK_TYPE_IS_NOT_02                       107
  # define RSA_R_DATA_GREATER_THAN_MOD_LEN                  108
  # define RSA_R_DATA_TOO_LARGE                             109
  # define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE                110
  # define RSA_R_DATA_TOO_LARGE_FOR_MODULUS                 132
  # define RSA_R_DATA_TOO_SMALL                             111
  # define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE                122
  # define RSA_R_DIGEST_DOES_NOT_MATCH                      158
  # define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY                 112
  # define RSA_R_DMP1_NOT_CONGRUENT_TO_D                    124
  # define RSA_R_DMQ1_NOT_CONGRUENT_TO_D                    125
  # define RSA_R_D_E_NOT_CONGRUENT_TO_1                     123
  # define RSA_R_FIRST_OCTET_INVALID                        133
  # define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE        144
  # define RSA_R_INVALID_DIGEST                             157
  # define RSA_R_INVALID_DIGEST_LENGTH                      143
  # define RSA_R_INVALID_HEADER                             137
  # define RSA_R_INVALID_LABEL                              160
  # define RSA_R_INVALID_MESSAGE_LENGTH                     131
  # define RSA_R_INVALID_MGF1_MD                            156
  # define RSA_R_INVALID_OAEP_PARAMETERS                    161
  # define RSA_R_INVALID_PADDING                            138
  # define RSA_R_INVALID_PADDING_MODE                       141
  # define RSA_R_INVALID_PSS_PARAMETERS                     149
  # define RSA_R_INVALID_PSS_SALTLEN                        146
  # define RSA_R_INVALID_SALT_LENGTH                        150
  # define RSA_R_INVALID_TRAILER                            139
  # define RSA_R_INVALID_X931_DIGEST                        142
  # define RSA_R_IQMP_NOT_INVERSE_OF_Q                      126
  # define RSA_R_KEY_SIZE_TOO_SMALL                         120
  # define RSA_R_LAST_OCTET_INVALID                         134
  # define RSA_R_MODULUS_TOO_LARGE                          105
  # define RSA_R_NO_PUBLIC_EXPONENT                         140
  # define RSA_R_NULL_BEFORE_BLOCK_MISSING                  113
  # define RSA_R_N_DOES_NOT_EQUAL_P_Q                       127
  # define RSA_R_OAEP_DECODING_ERROR                        121
  # define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   148
  # define RSA_R_PADDING_CHECK_FAILED                       114
  # define RSA_R_PKCS_DECODING_ERROR                        159
  # define RSA_R_P_NOT_PRIME                                128
  # define RSA_R_Q_NOT_PRIME                                129
  # define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED               130
  # define RSA_R_SLEN_CHECK_FAILED                          136
  # define RSA_R_SLEN_RECOVERY_FAILED                       135
  # define RSA_R_SSLV3_ROLLBACK_ATTACK                      115
  # define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
  # define RSA_R_UNKNOWN_ALGORITHM_TYPE                     117
  # define RSA_R_UNKNOWN_DIGEST                             166
  # define RSA_R_UNKNOWN_MASK_DIGEST                        151
  # define RSA_R_UNKNOWN_PADDING_TYPE                       118
  # define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE                162
  # define RSA_R_UNSUPPORTED_LABEL_SOURCE                   163
  # define RSA_R_UNSUPPORTED_MASK_ALGORITHM                 153
  # define RSA_R_UNSUPPORTED_MASK_PARAMETER                 154
  # define RSA_R_UNSUPPORTED_SIGNATURE_TYPE                 155
  # define RSA_R_VALUE_MISSING                              147
  # define RSA_R_WRONG_SIGNATURE_LENGTH                     119
  
  #  ifdef  __cplusplus
  }
  #  endif
  # endif
  #endif
  