Mercurial > dropbear

annotate libtomcrypt/src/headers/tomcrypt_pkcs.h @ 1505:55120acb9994

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Add Spectre v2 mitigations for GCC (#54)
author Loganaden Velvindron <logan@hackers.mu>
date Fri, 16 Feb 2018 19:35:32 +0400
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 */
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9
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10 /* PKCS Header Info */
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11
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12 /* ===> PKCS #1 -- RSA Cryptography <=== */
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13 #ifdef LTC_PKCS_1
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14
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15 enum ltc_pkcs_1_v1_5_blocks
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16 {
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17 LTC_PKCS_1_EMSA = 1, /* Block type 1 (PKCS #1 v1.5 signature padding) */
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18 LTC_PKCS_1_EME = 2 /* Block type 2 (PKCS #1 v1.5 encryption padding) */
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19 };
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20
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21 enum ltc_pkcs_1_paddings
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22 {
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23 LTC_PKCS_1_V1_5 = 1, /* PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
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24 LTC_PKCS_1_OAEP = 2, /* PKCS #1 v2.0 encryption padding */
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25 LTC_PKCS_1_PSS = 3, /* PKCS #1 v2.1 signature padding */
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26 LTC_PKCS_1_V1_5_NA1 = 4 /* PKCS #1 v1.5 padding - No ASN.1 (\sa ltc_pkcs_1_v1_5_blocks) */
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27 };
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29 int pkcs_1_mgf1( int hash_idx,
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30 const unsigned char *seed, unsigned long seedlen,
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31 unsigned char *mask, unsigned long masklen);
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32
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33 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
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34 int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
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35
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36 /* *** v1.5 padding */
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37 int pkcs_1_v1_5_encode(const unsigned char *msg,
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38 unsigned long msglen,
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39 int block_type,
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40 unsigned long modulus_bitlen,
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41 prng_state *prng,
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42 int prng_idx,
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43 unsigned char *out,
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44 unsigned long *outlen);
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45
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46 int pkcs_1_v1_5_decode(const unsigned char *msg,
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47 unsigned long msglen,
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48 int block_type,
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49 unsigned long modulus_bitlen,
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50 unsigned char *out,
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51 unsigned long *outlen,
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52 int *is_valid);
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53
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54 /* *** v2.1 padding */
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55 int pkcs_1_oaep_encode(const unsigned char *msg, unsigned long msglen,
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56 const unsigned char *lparam, unsigned long lparamlen,
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57 unsigned long modulus_bitlen, prng_state *prng,
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58 int prng_idx, int hash_idx,
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59 unsigned char *out, unsigned long *outlen);
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60
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61 int pkcs_1_oaep_decode(const unsigned char *msg, unsigned long msglen,
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62 const unsigned char *lparam, unsigned long lparamlen,
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63 unsigned long modulus_bitlen, int hash_idx,
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64 unsigned char *out, unsigned long *outlen,
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65 int *res);
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66
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67 int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
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68 unsigned long saltlen, prng_state *prng,
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69 int prng_idx, int hash_idx,
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70 unsigned long modulus_bitlen,
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71 unsigned char *out, unsigned long *outlen);
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73 int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
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74 const unsigned char *sig, unsigned long siglen,
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75 unsigned long saltlen, int hash_idx,
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76 unsigned long modulus_bitlen, int *res);
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77
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78 #endif /* LTC_PKCS_1 */
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79
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80 /* ===> PKCS #5 -- Password Based Cryptography <=== */
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81 #ifdef LTC_PKCS_5
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82
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83 /* Algorithm #1 (PBKDF1) */
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84 int pkcs_5_alg1(const unsigned char *password, unsigned long password_len,
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85 const unsigned char *salt,
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86 int iteration_count, int hash_idx,
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87 unsigned char *out, unsigned long *outlen);
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88
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89 /* Algorithm #1 (PBKDF1) - OpenSSL-compatible variant for arbitrarily-long keys.
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90 Compatible with EVP_BytesToKey() */
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91 int pkcs_5_alg1_openssl(const unsigned char *password,
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92 unsigned long password_len,
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93 const unsigned char *salt,
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94 int iteration_count, int hash_idx,
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95 unsigned char *out, unsigned long *outlen);
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96
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97 /* Algorithm #2 (PBKDF2) */
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98 int pkcs_5_alg2(const unsigned char *password, unsigned long password_len,
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99 const unsigned char *salt, unsigned long salt_len,
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100 int iteration_count, int hash_idx,
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101 unsigned char *out, unsigned long *outlen);
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102
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103 int pkcs_5_test (void);
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104 #endif /* LTC_PKCS_5 */
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105
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106 /* ref: $Format:%D$ */
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107 /* git commit: $Format:%H$ */
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108 /* commit time: $Format:%ai$ */