Dogcows Code - chaz/p5-File-KDBX-XS/blob - libtomcrypt/src/headers/tomcrypt_pkcs.h

   1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
   2 /* SPDX-License-Identifier: Unlicense */
   3
   4 /* PKCS Header Info */
   5
   6 /* ===> PKCS #1 -- RSA Cryptography <=== */
   7 #ifdef LTC_PKCS_1
   8
   9 enum ltc_pkcs_1_v1_5_blocks
  10 {
  11   LTC_PKCS_1_EMSA   = 1,        /* Block type 1 (PKCS #1 v1.5 signature padding) */
  12   LTC_PKCS_1_EME    = 2         /* Block type 2 (PKCS #1 v1.5 encryption padding) */
  13 };
  14
  15 enum ltc_pkcs_1_paddings
  16 {
  17   LTC_PKCS_1_V1_5     = 1,        /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
  18   LTC_PKCS_1_OAEP     = 2,        /* PKCS #1 v2.0 encryption padding */
  19   LTC_PKCS_1_PSS      = 3,        /* PKCS #1 v2.1 signature padding */
  20   LTC_PKCS_1_V1_5_NA1 = 4         /* PKCS #1 v1.5 padding - No ASN.1 (\sa ltc_pkcs_1_v1_5_blocks) */
  21 };
  22
  23 int pkcs_1_mgf1(      int            hash_idx,
  24                 const unsigned char *seed, unsigned long seedlen,
  25                       unsigned char *mask, unsigned long masklen);
  26
  27 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
  28 int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
  29
  30 /* *** v1.5 padding */
  31 int pkcs_1_v1_5_encode(const unsigned char *msg,
  32                              unsigned long  msglen,
  33                              int            block_type,
  34                              unsigned long  modulus_bitlen,
  35                                 prng_state *prng,
  36                                        int  prng_idx,
  37                              unsigned char *out,
  38                              unsigned long *outlen);
  39
  40 int pkcs_1_v1_5_decode(const unsigned char *msg,
  41                              unsigned long  msglen,
  42                                        int  block_type,
  43                              unsigned long  modulus_bitlen,
  44                              unsigned char *out,
  45                              unsigned long *outlen,
  46                                        int *is_valid);
  47
  48 /* *** v2.1 padding */
  49 int pkcs_1_oaep_encode(const unsigned char *msg,    unsigned long msglen,
  50                        const unsigned char *lparam, unsigned long lparamlen,
  51                              unsigned long modulus_bitlen, prng_state *prng,
  52                              int           prng_idx,         int  hash_idx,
  53                              unsigned char *out,    unsigned long *outlen);
  54
  55 int pkcs_1_oaep_decode(const unsigned char *msg,    unsigned long msglen,
  56                        const unsigned char *lparam, unsigned long lparamlen,
  57                              unsigned long modulus_bitlen, int hash_idx,
  58                              unsigned char *out,    unsigned long *outlen,
  59                              int           *res);
  60
  61 int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
  62                             unsigned long saltlen,  prng_state   *prng,
  63                             int           prng_idx, int           hash_idx,
  64                             unsigned long modulus_bitlen,
  65                             unsigned char *out,     unsigned long *outlen);
  66
  67 int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
  68                       const unsigned char *sig,     unsigned long siglen,
  69                             unsigned long saltlen,  int           hash_idx,
  70                             unsigned long modulus_bitlen, int    *res);
  71
  72 #endif /* LTC_PKCS_1 */
  73
  74 /* ===> PKCS #5 -- Password Based Cryptography <=== */
  75 #ifdef LTC_PKCS_5
  76
  77 /* Algorithm #1 (PBKDF1) */
  78 int pkcs_5_alg1(const unsigned char *password, unsigned long password_len,
  79                 const unsigned char *salt,
  80                 int iteration_count,  int hash_idx,
  81                 unsigned char *out,   unsigned long *outlen);
  82
  83 /* Algorithm #1 (PBKDF1) - OpenSSL-compatible variant for arbitrarily-long keys.
  84    Compatible with EVP_BytesToKey() */
  85 int pkcs_5_alg1_openssl(const unsigned char *password,
  86                         unsigned long password_len,
  87                         const unsigned char *salt,
  88                         int iteration_count,  int hash_idx,
  89                         unsigned char *out,   unsigned long *outlen);
  90
  91 /* Algorithm #2 (PBKDF2) */
  92 int pkcs_5_alg2(const unsigned char *password, unsigned long password_len,
  93                 const unsigned char *salt,     unsigned long salt_len,
  94                 int iteration_count,           int hash_idx,
  95                 unsigned char *out,            unsigned long *outlen);
  96
  97 int pkcs_5_test (void);
  98 #endif  /* LTC_PKCS_5 */
  99