pd.if.org Git - zpackage/blob - libtomcrypt/src/headers/tomcrypt_pkcs.h

   1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
   2  *
   3  * LibTomCrypt is a library that provides various cryptographic
   4  * algorithms in a highly modular and flexible manner.
   5  *
   6  * The library is free for all purposes without any express
   7  * guarantee it works.
   8  */
   9
  10 /* PKCS Header Info */
  11
  12 /* ===> PKCS #1 -- RSA Cryptography <=== */
  13 #ifdef LTC_PKCS_1
  14
  15 enum ltc_pkcs_1_v1_5_blocks
  16 {
  17   LTC_PKCS_1_EMSA   = 1,        /* Block type 1 (PKCS #1 v1.5 signature padding) */
  18   LTC_PKCS_1_EME    = 2         /* Block type 2 (PKCS #1 v1.5 encryption padding) */
  19 };
  20
  21 enum ltc_pkcs_1_paddings
  22 {
  23   LTC_PKCS_1_V1_5     = 1,        /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
  24   LTC_PKCS_1_OAEP     = 2,        /* PKCS #1 v2.0 encryption padding */
  25   LTC_PKCS_1_PSS      = 3,        /* PKCS #1 v2.1 signature padding */
  26   LTC_PKCS_1_V1_5_NA1 = 4         /* PKCS #1 v1.5 padding - No ASN.1 (\sa ltc_pkcs_1_v1_5_blocks) */
  27 };
  28
  29 int pkcs_1_mgf1(      int            hash_idx,
  30                 const unsigned char *seed, unsigned long seedlen,
  31                       unsigned char *mask, unsigned long masklen);
  32
  33 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
  34 int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
  35
  36 /* *** v1.5 padding */
  37 int pkcs_1_v1_5_encode(const unsigned char *msg,
  38                              unsigned long  msglen,
  39                              int            block_type,
  40                              unsigned long  modulus_bitlen,
  41                                 prng_state *prng,
  42                                        int  prng_idx,
  43                              unsigned char *out,
  44                              unsigned long *outlen);
  45
  46 int pkcs_1_v1_5_decode(const unsigned char *msg,
  47                              unsigned long  msglen,
  48                                        int  block_type,
  49                              unsigned long  modulus_bitlen,
  50                              unsigned char *out,
  51                              unsigned long *outlen,
  52                                        int *is_valid);
  53
  54 /* *** v2.1 padding */
  55 int pkcs_1_oaep_encode(const unsigned char *msg,    unsigned long msglen,
  56                        const unsigned char *lparam, unsigned long lparamlen,
  57                              unsigned long modulus_bitlen, prng_state *prng,
  58                              int           prng_idx,         int  hash_idx,
  59                              unsigned char *out,    unsigned long *outlen);
  60
  61 int pkcs_1_oaep_decode(const unsigned char *msg,    unsigned long msglen,
  62                        const unsigned char *lparam, unsigned long lparamlen,
  63                              unsigned long modulus_bitlen, int hash_idx,
  64                              unsigned char *out,    unsigned long *outlen,
  65                              int           *res);
  66
  67 int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
  68                             unsigned long saltlen,  prng_state   *prng,
  69                             int           prng_idx, int           hash_idx,
  70                             unsigned long modulus_bitlen,
  71                             unsigned char *out,     unsigned long *outlen);
  72
  73 int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
  74                       const unsigned char *sig,     unsigned long siglen,
  75                             unsigned long saltlen,  int           hash_idx,
  76                             unsigned long modulus_bitlen, int    *res);
  77
  78 #endif /* LTC_PKCS_1 */
  79
  80 /* ===> PKCS #5 -- Password Based Cryptography <=== */
  81 #ifdef LTC_PKCS_5
  82
  83 /* Algorithm #1 (PBKDF1) */
  84 int pkcs_5_alg1(const unsigned char *password, unsigned long password_len,
  85                 const unsigned char *salt,
  86                 int iteration_count,  int hash_idx,
  87                 unsigned char *out,   unsigned long *outlen);
  88
  89 /* Algorithm #1 (PBKDF1) - OpenSSL-compatible variant for arbitrarily-long keys.
  90    Compatible with EVP_BytesToKey() */
  91 int pkcs_5_alg1_openssl(const unsigned char *password,
  92                         unsigned long password_len,
  93                         const unsigned char *salt,
  94                         int iteration_count,  int hash_idx,
  95                         unsigned char *out,   unsigned long *outlen);
  96
  97 /* Algorithm #2 (PBKDF2) */
  98 int pkcs_5_alg2(const unsigned char *password, unsigned long password_len,
  99                 const unsigned char *salt,     unsigned long salt_len,
 100                 int iteration_count,           int hash_idx,
 101                 unsigned char *out,            unsigned long *outlen);
 102
 103 int pkcs_5_test (void);
 104 #endif  /* LTC_PKCS_5 */
 105
 106 /* ref:         $Format:%D$ */
 107 /* git commit:  $Format:%H$ */
 108 /* commit time: $Format:%ai$ */