libs/libtomcrypt/headers/tomcrypt_pkcs.h

   1 /* PKCS Header Info */
   2
   3 /* ===> PKCS #1 -- RSA Cryptography <=== */
   4 #ifdef PKCS_1
   5
   6 enum ltc_pkcs_1_v1_5_blocks
   7 {
   8   LTC_PKCS_1_EMSA   = 1,        /* Block type 1 (PKCS #1 v1.5 signature padding) */
   9   LTC_PKCS_1_EME    = 2         /* Block type 2 (PKCS #1 v1.5 encryption padding) */
  10 };
  11
  12 enum ltc_pkcs_1_paddings
  13 {
  14   LTC_PKCS_1_V1_5   = 1,        /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
  15   LTC_PKCS_1_OAEP   = 2,        /* PKCS #1 v2.0 encryption padding */
  16   LTC_PKCS_1_PSS    = 3         /* PKCS #1 v2.1 signature padding */
  17 };
  18
  19 int pkcs_1_mgf1(      int            hash_idx,
  20                 const unsigned char *seed, unsigned long seedlen,
  21                       unsigned char *mask, unsigned long masklen);
  22
  23 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
  24 int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
  25
  26 /* *** v1.5 padding */
  27 int pkcs_1_v1_5_encode(const unsigned char *msg,
  28                              unsigned long  msglen,
  29                              int            block_type,
  30                              unsigned long  modulus_bitlen,
  31                                 prng_state *prng,
  32                                        int  prng_idx,
  33                              unsigned char *out,
  34                              unsigned long *outlen);
  35
  36 int pkcs_1_v1_5_decode(const unsigned char *msg,
  37                              unsigned long  msglen,
  38                                        int  block_type,
  39                              unsigned long  modulus_bitlen,
  40                              unsigned char *out,
  41                              unsigned long *outlen,
  42                                        int *is_valid);
  43
  44 /* *** v2.1 padding */
  45 int pkcs_1_oaep_encode(const unsigned char *msg,    unsigned long msglen,
  46                        const unsigned char *lparam, unsigned long lparamlen,
  47                              unsigned long modulus_bitlen, prng_state *prng,
  48                              int           prng_idx,         int  hash_idx,
  49                              unsigned char *out,    unsigned long *outlen);
  50
  51 int pkcs_1_oaep_decode(const unsigned char *msg,    unsigned long msglen,
  52                        const unsigned char *lparam, unsigned long lparamlen,
  53                              unsigned long modulus_bitlen, int hash_idx,
  54                              unsigned char *out,    unsigned long *outlen,
  55                              int           *res);
  56
  57 int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
  58                             unsigned long saltlen,  prng_state   *prng,
  59                             int           prng_idx, int           hash_idx,
  60                             unsigned long modulus_bitlen,
  61                             unsigned char *out,     unsigned long *outlen);
  62
  63 int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
  64                       const unsigned char *sig,     unsigned long siglen,
  65                             unsigned long saltlen,  int           hash_idx,
  66                             unsigned long modulus_bitlen, int    *res);
  67
  68 #endif /* PKCS_1 */
  69
  70 /* ===> PKCS #5 -- Password Based Cryptography <=== */
  71 #ifdef PKCS_5
  72
  73 /* Algorithm #1 (old) */
  74 int pkcs_5_alg1(const unsigned char *password, unsigned long password_len,
  75                 const unsigned char *salt,
  76                 int iteration_count,  int hash_idx,
  77                 unsigned char *out,   unsigned long *outlen);
  78
  79 /* Algorithm #2 (new) */
  80 int pkcs_5_alg2(const unsigned char *password, unsigned long password_len,
  81                 const unsigned char *salt,     unsigned long salt_len,
  82                 int iteration_count,           int hash_idx,
  83                 unsigned char *out,            unsigned long *outlen);
  84
  85 #endif  /* PKCS_5 */
  86
  87 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_pkcs.h,v $ */
  88 /* $Revision: 1.7 $ */
  89 /* $Date: 2006/11/15 12:44:59 $ */