Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 1 | /* SHA512 module */ |
| 2 | |
| 3 | /* This module provides an interface to NIST's SHA-512 and SHA-384 Algorithms */ |
| 4 | |
| 5 | /* See below for information about the original code this module was |
| 6 | based upon. Additional work performed by: |
| 7 | |
| 8 | Andrew Kuchling (amk@amk.ca) |
| 9 | Greg Stein (gstein@lyra.org) |
| 10 | Trevor Perrin (trevp@trevp.net) |
| 11 | |
Gregory P. Smith | 2f21eb3 | 2007-09-09 06:44:34 +0000 | [diff] [blame] | 12 | Copyright (C) 2005-2007 Gregory P. Smith (greg@krypto.org) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 13 | Licensed to PSF under a Contributor Agreement. |
| 14 | |
| 15 | */ |
| 16 | |
| 17 | /* SHA objects */ |
| 18 | |
| 19 | #include "Python.h" |
Victor Stinner | c6b292c | 2020-06-08 16:30:33 +0200 | [diff] [blame] | 20 | #include "pycore_bitutils.h" // _Py_bswap32() |
Victor Stinner | 4a21e57 | 2020-04-15 02:35:41 +0200 | [diff] [blame] | 21 | #include "structmember.h" // PyMemberDef |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 22 | #include "hashlib.h" |
Gregory P. Smith | 8cb6569 | 2015-04-25 23:22:26 +0000 | [diff] [blame] | 23 | #include "pystrhex.h" |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 24 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 25 | /*[clinic input] |
| 26 | module _sha512 |
| 27 | class SHA512Type "SHAobject *" "&PyType_Type" |
| 28 | [clinic start generated code]*/ |
| 29 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=81a3ccde92bcfe8d]*/ |
| 30 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 31 | /* Some useful types */ |
| 32 | |
| 33 | typedef unsigned char SHA_BYTE; |
Victor Stinner | 1ae035b | 2020-04-17 17:47:20 +0200 | [diff] [blame] | 34 | typedef uint32_t SHA_INT32; /* 32-bit integer */ |
| 35 | typedef uint64_t SHA_INT64; /* 64-bit integer */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 36 | |
| 37 | /* The SHA block size and message digest sizes, in bytes */ |
| 38 | |
| 39 | #define SHA_BLOCKSIZE 128 |
| 40 | #define SHA_DIGESTSIZE 64 |
| 41 | |
| 42 | /* The structure for storing SHA info */ |
| 43 | |
| 44 | typedef struct { |
| 45 | PyObject_HEAD |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 46 | SHA_INT64 digest[8]; /* Message digest */ |
| 47 | SHA_INT32 count_lo, count_hi; /* 64-bit bit count */ |
| 48 | SHA_BYTE data[SHA_BLOCKSIZE]; /* SHA data buffer */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 49 | int local; /* unprocessed amount in data */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 50 | int digestsize; |
| 51 | } SHAobject; |
| 52 | |
Serhiy Storchaka | 1009bf1 | 2015-04-03 23:53:51 +0300 | [diff] [blame] | 53 | #include "clinic/sha512module.c.h" |
| 54 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 55 | /* When run on a little-endian CPU we need to perform byte reversal on an |
| 56 | array of longwords. */ |
| 57 | |
Christian Heimes | 743e0cd | 2012-10-17 23:52:17 +0200 | [diff] [blame] | 58 | #if PY_LITTLE_ENDIAN |
| 59 | static void longReverse(SHA_INT64 *buffer, int byteCount) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 60 | { |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 61 | byteCount /= sizeof(*buffer); |
Victor Stinner | 1ae035b | 2020-04-17 17:47:20 +0200 | [diff] [blame] | 62 | for (; byteCount--; buffer++) { |
| 63 | *buffer = _Py_bswap64(*buffer); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 64 | } |
| 65 | } |
Christian Heimes | 743e0cd | 2012-10-17 23:52:17 +0200 | [diff] [blame] | 66 | #endif |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 67 | |
| 68 | static void SHAcopy(SHAobject *src, SHAobject *dest) |
| 69 | { |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 70 | dest->local = src->local; |
| 71 | dest->digestsize = src->digestsize; |
| 72 | dest->count_lo = src->count_lo; |
| 73 | dest->count_hi = src->count_hi; |
| 74 | memcpy(dest->digest, src->digest, sizeof(src->digest)); |
| 75 | memcpy(dest->data, src->data, sizeof(src->data)); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | /* ------------------------------------------------------------------------ |
| 80 | * |
| 81 | * This code for the SHA-512 algorithm was noted as public domain. The |
| 82 | * original headers are pasted below. |
| 83 | * |
| 84 | * Several changes have been made to make it more compatible with the |
| 85 | * Python environment and desired interface. |
| 86 | * |
| 87 | */ |
| 88 | |
| 89 | /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
| 90 | * |
| 91 | * LibTomCrypt is a library that provides various cryptographic |
| 92 | * algorithms in a highly modular and flexible manner. |
| 93 | * |
| 94 | * The library is free for all purposes without any express |
Martin Panter | 46f5072 | 2016-05-26 05:35:26 +0000 | [diff] [blame] | 95 | * guarantee it works. |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 96 | * |
Gregory P. Smith | 2f21eb3 | 2007-09-09 06:44:34 +0000 | [diff] [blame] | 97 | * Tom St Denis, tomstdenis@iahu.ca, http://libtom.org |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 98 | */ |
| 99 | |
| 100 | |
| 101 | /* SHA512 by Tom St Denis */ |
| 102 | |
| 103 | /* Various logical functions */ |
| 104 | #define ROR64(x, y) \ |
Benjamin Peterson | ac965ca | 2016-09-18 18:12:21 -0700 | [diff] [blame] | 105 | ( ((((x) & 0xFFFFFFFFFFFFFFFFULL)>>((unsigned long long)(y) & 63)) | \ |
| 106 | ((x)<<((unsigned long long)(64-((y) & 63))))) & 0xFFFFFFFFFFFFFFFFULL) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 107 | #define Ch(x,y,z) (z ^ (x & (y ^ z))) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 108 | #define Maj(x,y,z) (((x | y) & z) | (x & y)) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 109 | #define S(x, n) ROR64((x),(n)) |
Benjamin Peterson | ac965ca | 2016-09-18 18:12:21 -0700 | [diff] [blame] | 110 | #define R(x, n) (((x) & 0xFFFFFFFFFFFFFFFFULL) >> ((unsigned long long)n)) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 111 | #define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39)) |
| 112 | #define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41)) |
| 113 | #define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7)) |
| 114 | #define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6)) |
| 115 | |
| 116 | |
| 117 | static void |
| 118 | sha512_transform(SHAobject *sha_info) |
| 119 | { |
| 120 | int i; |
| 121 | SHA_INT64 S[8], W[80], t0, t1; |
| 122 | |
| 123 | memcpy(W, sha_info->data, sizeof(sha_info->data)); |
Christian Heimes | 743e0cd | 2012-10-17 23:52:17 +0200 | [diff] [blame] | 124 | #if PY_LITTLE_ENDIAN |
| 125 | longReverse(W, (int)sizeof(sha_info->data)); |
| 126 | #endif |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 127 | |
| 128 | for (i = 16; i < 80; ++i) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 129 | W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16]; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 130 | } |
| 131 | for (i = 0; i < 8; ++i) { |
| 132 | S[i] = sha_info->digest[i]; |
| 133 | } |
| 134 | |
| 135 | /* Compress */ |
| 136 | #define RND(a,b,c,d,e,f,g,h,i,ki) \ |
| 137 | t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \ |
| 138 | t1 = Sigma0(a) + Maj(a, b, c); \ |
| 139 | d += t0; \ |
| 140 | h = t0 + t1; |
| 141 | |
Benjamin Peterson | ac965ca | 2016-09-18 18:12:21 -0700 | [diff] [blame] | 142 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,0x428a2f98d728ae22ULL); |
| 143 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,0x7137449123ef65cdULL); |
| 144 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,0xb5c0fbcfec4d3b2fULL); |
| 145 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,0xe9b5dba58189dbbcULL); |
| 146 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,0x3956c25bf348b538ULL); |
| 147 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,0x59f111f1b605d019ULL); |
| 148 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,0x923f82a4af194f9bULL); |
| 149 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,0xab1c5ed5da6d8118ULL); |
| 150 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,0xd807aa98a3030242ULL); |
| 151 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,0x12835b0145706fbeULL); |
| 152 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,0x243185be4ee4b28cULL); |
| 153 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,0x550c7dc3d5ffb4e2ULL); |
| 154 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,0x72be5d74f27b896fULL); |
| 155 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,0x80deb1fe3b1696b1ULL); |
| 156 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,0x9bdc06a725c71235ULL); |
| 157 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,0xc19bf174cf692694ULL); |
| 158 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,0xe49b69c19ef14ad2ULL); |
| 159 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,0xefbe4786384f25e3ULL); |
| 160 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,0x0fc19dc68b8cd5b5ULL); |
| 161 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,0x240ca1cc77ac9c65ULL); |
| 162 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,0x2de92c6f592b0275ULL); |
| 163 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,0x4a7484aa6ea6e483ULL); |
| 164 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,0x5cb0a9dcbd41fbd4ULL); |
| 165 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,0x76f988da831153b5ULL); |
| 166 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,0x983e5152ee66dfabULL); |
| 167 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,0xa831c66d2db43210ULL); |
| 168 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,0xb00327c898fb213fULL); |
| 169 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,0xbf597fc7beef0ee4ULL); |
| 170 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,0xc6e00bf33da88fc2ULL); |
| 171 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,0xd5a79147930aa725ULL); |
| 172 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,0x06ca6351e003826fULL); |
| 173 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,0x142929670a0e6e70ULL); |
| 174 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,0x27b70a8546d22ffcULL); |
| 175 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,0x2e1b21385c26c926ULL); |
| 176 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,0x4d2c6dfc5ac42aedULL); |
| 177 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,0x53380d139d95b3dfULL); |
| 178 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,0x650a73548baf63deULL); |
| 179 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,0x766a0abb3c77b2a8ULL); |
| 180 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,0x81c2c92e47edaee6ULL); |
| 181 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,0x92722c851482353bULL); |
| 182 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,0xa2bfe8a14cf10364ULL); |
| 183 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,0xa81a664bbc423001ULL); |
| 184 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,0xc24b8b70d0f89791ULL); |
| 185 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,0xc76c51a30654be30ULL); |
| 186 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,0xd192e819d6ef5218ULL); |
| 187 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,0xd69906245565a910ULL); |
| 188 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,0xf40e35855771202aULL); |
| 189 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,0x106aa07032bbd1b8ULL); |
| 190 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,0x19a4c116b8d2d0c8ULL); |
| 191 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,0x1e376c085141ab53ULL); |
| 192 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,0x2748774cdf8eeb99ULL); |
| 193 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,0x34b0bcb5e19b48a8ULL); |
| 194 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,0x391c0cb3c5c95a63ULL); |
| 195 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,0x4ed8aa4ae3418acbULL); |
| 196 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,0x5b9cca4f7763e373ULL); |
| 197 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,0x682e6ff3d6b2b8a3ULL); |
| 198 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,0x748f82ee5defb2fcULL); |
| 199 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,0x78a5636f43172f60ULL); |
| 200 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,0x84c87814a1f0ab72ULL); |
| 201 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,0x8cc702081a6439ecULL); |
| 202 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,0x90befffa23631e28ULL); |
| 203 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506cebde82bde9ULL); |
| 204 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7b2c67915ULL); |
| 205 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2e372532bULL); |
| 206 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],64,0xca273eceea26619cULL); |
| 207 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],65,0xd186b8c721c0c207ULL); |
| 208 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],66,0xeada7dd6cde0eb1eULL); |
| 209 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],67,0xf57d4f7fee6ed178ULL); |
| 210 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],68,0x06f067aa72176fbaULL); |
| 211 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],69,0x0a637dc5a2c898a6ULL); |
| 212 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],70,0x113f9804bef90daeULL); |
| 213 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],71,0x1b710b35131c471bULL); |
| 214 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],72,0x28db77f523047d84ULL); |
| 215 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],73,0x32caab7b40c72493ULL); |
| 216 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],74,0x3c9ebe0a15c9bebcULL); |
| 217 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],75,0x431d67c49c100d4cULL); |
| 218 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],76,0x4cc5d4becb3e42b6ULL); |
| 219 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],77,0x597f299cfc657e2aULL); |
| 220 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],78,0x5fcb6fab3ad6faecULL); |
| 221 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],79,0x6c44198c4a475817ULL); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 222 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 223 | #undef RND |
| 224 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 225 | /* feedback */ |
| 226 | for (i = 0; i < 8; i++) { |
| 227 | sha_info->digest[i] = sha_info->digest[i] + S[i]; |
| 228 | } |
| 229 | |
| 230 | } |
| 231 | |
| 232 | |
| 233 | |
| 234 | /* initialize the SHA digest */ |
| 235 | |
| 236 | static void |
| 237 | sha512_init(SHAobject *sha_info) |
| 238 | { |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 239 | sha_info->digest[0] = Py_ULL(0x6a09e667f3bcc908); |
| 240 | sha_info->digest[1] = Py_ULL(0xbb67ae8584caa73b); |
| 241 | sha_info->digest[2] = Py_ULL(0x3c6ef372fe94f82b); |
| 242 | sha_info->digest[3] = Py_ULL(0xa54ff53a5f1d36f1); |
| 243 | sha_info->digest[4] = Py_ULL(0x510e527fade682d1); |
| 244 | sha_info->digest[5] = Py_ULL(0x9b05688c2b3e6c1f); |
| 245 | sha_info->digest[6] = Py_ULL(0x1f83d9abfb41bd6b); |
| 246 | sha_info->digest[7] = Py_ULL(0x5be0cd19137e2179); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 247 | sha_info->count_lo = 0L; |
| 248 | sha_info->count_hi = 0L; |
| 249 | sha_info->local = 0; |
| 250 | sha_info->digestsize = 64; |
| 251 | } |
| 252 | |
| 253 | static void |
| 254 | sha384_init(SHAobject *sha_info) |
| 255 | { |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 256 | sha_info->digest[0] = Py_ULL(0xcbbb9d5dc1059ed8); |
| 257 | sha_info->digest[1] = Py_ULL(0x629a292a367cd507); |
| 258 | sha_info->digest[2] = Py_ULL(0x9159015a3070dd17); |
| 259 | sha_info->digest[3] = Py_ULL(0x152fecd8f70e5939); |
| 260 | sha_info->digest[4] = Py_ULL(0x67332667ffc00b31); |
| 261 | sha_info->digest[5] = Py_ULL(0x8eb44a8768581511); |
| 262 | sha_info->digest[6] = Py_ULL(0xdb0c2e0d64f98fa7); |
| 263 | sha_info->digest[7] = Py_ULL(0x47b5481dbefa4fa4); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 264 | sha_info->count_lo = 0L; |
| 265 | sha_info->count_hi = 0L; |
| 266 | sha_info->local = 0; |
| 267 | sha_info->digestsize = 48; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | /* update the SHA digest */ |
| 272 | |
| 273 | static void |
Victor Stinner | 0fcab4a | 2011-01-04 12:59:15 +0000 | [diff] [blame] | 274 | sha512_update(SHAobject *sha_info, SHA_BYTE *buffer, Py_ssize_t count) |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 275 | { |
Victor Stinner | 0fcab4a | 2011-01-04 12:59:15 +0000 | [diff] [blame] | 276 | Py_ssize_t i; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 277 | SHA_INT32 clo; |
| 278 | |
| 279 | clo = sha_info->count_lo + ((SHA_INT32) count << 3); |
| 280 | if (clo < sha_info->count_lo) { |
| 281 | ++sha_info->count_hi; |
| 282 | } |
| 283 | sha_info->count_lo = clo; |
| 284 | sha_info->count_hi += (SHA_INT32) count >> 29; |
| 285 | if (sha_info->local) { |
| 286 | i = SHA_BLOCKSIZE - sha_info->local; |
| 287 | if (i > count) { |
| 288 | i = count; |
| 289 | } |
| 290 | memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i); |
| 291 | count -= i; |
| 292 | buffer += i; |
Victor Stinner | 70792d2 | 2013-05-08 00:00:44 +0200 | [diff] [blame] | 293 | sha_info->local += (int)i; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 294 | if (sha_info->local == SHA_BLOCKSIZE) { |
| 295 | sha512_transform(sha_info); |
| 296 | } |
| 297 | else { |
| 298 | return; |
| 299 | } |
| 300 | } |
| 301 | while (count >= SHA_BLOCKSIZE) { |
| 302 | memcpy(sha_info->data, buffer, SHA_BLOCKSIZE); |
| 303 | buffer += SHA_BLOCKSIZE; |
| 304 | count -= SHA_BLOCKSIZE; |
| 305 | sha512_transform(sha_info); |
| 306 | } |
| 307 | memcpy(sha_info->data, buffer, count); |
Victor Stinner | 70792d2 | 2013-05-08 00:00:44 +0200 | [diff] [blame] | 308 | sha_info->local = (int)count; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | /* finish computing the SHA digest */ |
| 312 | |
| 313 | static void |
| 314 | sha512_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info) |
| 315 | { |
| 316 | int count; |
| 317 | SHA_INT32 lo_bit_count, hi_bit_count; |
| 318 | |
| 319 | lo_bit_count = sha_info->count_lo; |
| 320 | hi_bit_count = sha_info->count_hi; |
| 321 | count = (int) ((lo_bit_count >> 3) & 0x7f); |
| 322 | ((SHA_BYTE *) sha_info->data)[count++] = 0x80; |
| 323 | if (count > SHA_BLOCKSIZE - 16) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 324 | memset(((SHA_BYTE *) sha_info->data) + count, 0, |
| 325 | SHA_BLOCKSIZE - count); |
| 326 | sha512_transform(sha_info); |
| 327 | memset((SHA_BYTE *) sha_info->data, 0, SHA_BLOCKSIZE - 16); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 328 | } |
| 329 | else { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 330 | memset(((SHA_BYTE *) sha_info->data) + count, 0, |
| 331 | SHA_BLOCKSIZE - 16 - count); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | /* GJS: note that we add the hi/lo in big-endian. sha512_transform will |
| 335 | swap these values into host-order. */ |
| 336 | sha_info->data[112] = 0; |
| 337 | sha_info->data[113] = 0; |
| 338 | sha_info->data[114] = 0; |
| 339 | sha_info->data[115] = 0; |
| 340 | sha_info->data[116] = 0; |
| 341 | sha_info->data[117] = 0; |
| 342 | sha_info->data[118] = 0; |
| 343 | sha_info->data[119] = 0; |
| 344 | sha_info->data[120] = (hi_bit_count >> 24) & 0xff; |
| 345 | sha_info->data[121] = (hi_bit_count >> 16) & 0xff; |
| 346 | sha_info->data[122] = (hi_bit_count >> 8) & 0xff; |
| 347 | sha_info->data[123] = (hi_bit_count >> 0) & 0xff; |
| 348 | sha_info->data[124] = (lo_bit_count >> 24) & 0xff; |
| 349 | sha_info->data[125] = (lo_bit_count >> 16) & 0xff; |
| 350 | sha_info->data[126] = (lo_bit_count >> 8) & 0xff; |
| 351 | sha_info->data[127] = (lo_bit_count >> 0) & 0xff; |
| 352 | sha512_transform(sha_info); |
| 353 | digest[ 0] = (unsigned char) ((sha_info->digest[0] >> 56) & 0xff); |
| 354 | digest[ 1] = (unsigned char) ((sha_info->digest[0] >> 48) & 0xff); |
| 355 | digest[ 2] = (unsigned char) ((sha_info->digest[0] >> 40) & 0xff); |
| 356 | digest[ 3] = (unsigned char) ((sha_info->digest[0] >> 32) & 0xff); |
| 357 | digest[ 4] = (unsigned char) ((sha_info->digest[0] >> 24) & 0xff); |
| 358 | digest[ 5] = (unsigned char) ((sha_info->digest[0] >> 16) & 0xff); |
| 359 | digest[ 6] = (unsigned char) ((sha_info->digest[0] >> 8) & 0xff); |
| 360 | digest[ 7] = (unsigned char) ((sha_info->digest[0] ) & 0xff); |
| 361 | digest[ 8] = (unsigned char) ((sha_info->digest[1] >> 56) & 0xff); |
| 362 | digest[ 9] = (unsigned char) ((sha_info->digest[1] >> 48) & 0xff); |
| 363 | digest[10] = (unsigned char) ((sha_info->digest[1] >> 40) & 0xff); |
| 364 | digest[11] = (unsigned char) ((sha_info->digest[1] >> 32) & 0xff); |
| 365 | digest[12] = (unsigned char) ((sha_info->digest[1] >> 24) & 0xff); |
| 366 | digest[13] = (unsigned char) ((sha_info->digest[1] >> 16) & 0xff); |
| 367 | digest[14] = (unsigned char) ((sha_info->digest[1] >> 8) & 0xff); |
| 368 | digest[15] = (unsigned char) ((sha_info->digest[1] ) & 0xff); |
| 369 | digest[16] = (unsigned char) ((sha_info->digest[2] >> 56) & 0xff); |
| 370 | digest[17] = (unsigned char) ((sha_info->digest[2] >> 48) & 0xff); |
| 371 | digest[18] = (unsigned char) ((sha_info->digest[2] >> 40) & 0xff); |
| 372 | digest[19] = (unsigned char) ((sha_info->digest[2] >> 32) & 0xff); |
| 373 | digest[20] = (unsigned char) ((sha_info->digest[2] >> 24) & 0xff); |
| 374 | digest[21] = (unsigned char) ((sha_info->digest[2] >> 16) & 0xff); |
| 375 | digest[22] = (unsigned char) ((sha_info->digest[2] >> 8) & 0xff); |
| 376 | digest[23] = (unsigned char) ((sha_info->digest[2] ) & 0xff); |
| 377 | digest[24] = (unsigned char) ((sha_info->digest[3] >> 56) & 0xff); |
| 378 | digest[25] = (unsigned char) ((sha_info->digest[3] >> 48) & 0xff); |
| 379 | digest[26] = (unsigned char) ((sha_info->digest[3] >> 40) & 0xff); |
| 380 | digest[27] = (unsigned char) ((sha_info->digest[3] >> 32) & 0xff); |
| 381 | digest[28] = (unsigned char) ((sha_info->digest[3] >> 24) & 0xff); |
| 382 | digest[29] = (unsigned char) ((sha_info->digest[3] >> 16) & 0xff); |
| 383 | digest[30] = (unsigned char) ((sha_info->digest[3] >> 8) & 0xff); |
| 384 | digest[31] = (unsigned char) ((sha_info->digest[3] ) & 0xff); |
| 385 | digest[32] = (unsigned char) ((sha_info->digest[4] >> 56) & 0xff); |
| 386 | digest[33] = (unsigned char) ((sha_info->digest[4] >> 48) & 0xff); |
| 387 | digest[34] = (unsigned char) ((sha_info->digest[4] >> 40) & 0xff); |
| 388 | digest[35] = (unsigned char) ((sha_info->digest[4] >> 32) & 0xff); |
| 389 | digest[36] = (unsigned char) ((sha_info->digest[4] >> 24) & 0xff); |
| 390 | digest[37] = (unsigned char) ((sha_info->digest[4] >> 16) & 0xff); |
| 391 | digest[38] = (unsigned char) ((sha_info->digest[4] >> 8) & 0xff); |
| 392 | digest[39] = (unsigned char) ((sha_info->digest[4] ) & 0xff); |
| 393 | digest[40] = (unsigned char) ((sha_info->digest[5] >> 56) & 0xff); |
| 394 | digest[41] = (unsigned char) ((sha_info->digest[5] >> 48) & 0xff); |
| 395 | digest[42] = (unsigned char) ((sha_info->digest[5] >> 40) & 0xff); |
| 396 | digest[43] = (unsigned char) ((sha_info->digest[5] >> 32) & 0xff); |
| 397 | digest[44] = (unsigned char) ((sha_info->digest[5] >> 24) & 0xff); |
| 398 | digest[45] = (unsigned char) ((sha_info->digest[5] >> 16) & 0xff); |
| 399 | digest[46] = (unsigned char) ((sha_info->digest[5] >> 8) & 0xff); |
| 400 | digest[47] = (unsigned char) ((sha_info->digest[5] ) & 0xff); |
| 401 | digest[48] = (unsigned char) ((sha_info->digest[6] >> 56) & 0xff); |
| 402 | digest[49] = (unsigned char) ((sha_info->digest[6] >> 48) & 0xff); |
| 403 | digest[50] = (unsigned char) ((sha_info->digest[6] >> 40) & 0xff); |
| 404 | digest[51] = (unsigned char) ((sha_info->digest[6] >> 32) & 0xff); |
| 405 | digest[52] = (unsigned char) ((sha_info->digest[6] >> 24) & 0xff); |
| 406 | digest[53] = (unsigned char) ((sha_info->digest[6] >> 16) & 0xff); |
| 407 | digest[54] = (unsigned char) ((sha_info->digest[6] >> 8) & 0xff); |
| 408 | digest[55] = (unsigned char) ((sha_info->digest[6] ) & 0xff); |
| 409 | digest[56] = (unsigned char) ((sha_info->digest[7] >> 56) & 0xff); |
| 410 | digest[57] = (unsigned char) ((sha_info->digest[7] >> 48) & 0xff); |
| 411 | digest[58] = (unsigned char) ((sha_info->digest[7] >> 40) & 0xff); |
| 412 | digest[59] = (unsigned char) ((sha_info->digest[7] >> 32) & 0xff); |
| 413 | digest[60] = (unsigned char) ((sha_info->digest[7] >> 24) & 0xff); |
| 414 | digest[61] = (unsigned char) ((sha_info->digest[7] >> 16) & 0xff); |
| 415 | digest[62] = (unsigned char) ((sha_info->digest[7] >> 8) & 0xff); |
| 416 | digest[63] = (unsigned char) ((sha_info->digest[7] ) & 0xff); |
| 417 | } |
| 418 | |
| 419 | /* |
| 420 | * End of copied SHA code. |
| 421 | * |
| 422 | * ------------------------------------------------------------------------ |
| 423 | */ |
| 424 | |
| 425 | static PyTypeObject SHA384type; |
| 426 | static PyTypeObject SHA512type; |
| 427 | |
| 428 | |
| 429 | static SHAobject * |
| 430 | newSHA384object(void) |
| 431 | { |
| 432 | return (SHAobject *)PyObject_New(SHAobject, &SHA384type); |
| 433 | } |
| 434 | |
| 435 | static SHAobject * |
| 436 | newSHA512object(void) |
| 437 | { |
| 438 | return (SHAobject *)PyObject_New(SHAobject, &SHA512type); |
| 439 | } |
| 440 | |
| 441 | /* Internal methods for a hash object */ |
| 442 | |
| 443 | static void |
| 444 | SHA512_dealloc(PyObject *ptr) |
| 445 | { |
| 446 | PyObject_Del(ptr); |
| 447 | } |
| 448 | |
| 449 | |
| 450 | /* External methods for a hash object */ |
| 451 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 452 | /*[clinic input] |
| 453 | SHA512Type.copy |
| 454 | |
| 455 | Return a copy of the hash object. |
| 456 | [clinic start generated code]*/ |
| 457 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 458 | static PyObject * |
| 459 | SHA512Type_copy_impl(SHAobject *self) |
Serhiy Storchaka | 1009bf1 | 2015-04-03 23:53:51 +0300 | [diff] [blame] | 460 | /*[clinic end generated code: output=adea896ed3164821 input=9f5f31e6c457776a]*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 461 | { |
| 462 | SHAobject *newobj; |
| 463 | |
Dong-hee Na | 1b55b65 | 2020-02-17 19:09:15 +0900 | [diff] [blame] | 464 | if (Py_IS_TYPE((PyObject*)self, &SHA512type)) { |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 465 | if ( (newobj = newSHA512object())==NULL) |
| 466 | return NULL; |
| 467 | } else { |
| 468 | if ( (newobj = newSHA384object())==NULL) |
| 469 | return NULL; |
| 470 | } |
| 471 | |
| 472 | SHAcopy(self, newobj); |
| 473 | return (PyObject *)newobj; |
| 474 | } |
| 475 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 476 | /*[clinic input] |
| 477 | SHA512Type.digest |
| 478 | |
Srinivas Thatiparthy (శ్రీనివాస్ తాటిపర్తి) | f192aeb | 2018-10-19 23:12:53 +0530 | [diff] [blame] | 479 | Return the digest value as a bytes object. |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 480 | [clinic start generated code]*/ |
| 481 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 482 | static PyObject * |
| 483 | SHA512Type_digest_impl(SHAobject *self) |
Srinivas Thatiparthy (శ్రీనివాస్ తాటిపర్తి) | f192aeb | 2018-10-19 23:12:53 +0530 | [diff] [blame] | 484 | /*[clinic end generated code: output=1080bbeeef7dde1b input=f6470dd359071f4b]*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 485 | { |
| 486 | unsigned char digest[SHA_DIGESTSIZE]; |
| 487 | SHAobject temp; |
| 488 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 489 | SHAcopy(self, &temp); |
| 490 | sha512_final(digest, &temp); |
Christian Heimes | 72b710a | 2008-05-26 13:28:38 +0000 | [diff] [blame] | 491 | return PyBytes_FromStringAndSize((const char *)digest, self->digestsize); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 492 | } |
| 493 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 494 | /*[clinic input] |
| 495 | SHA512Type.hexdigest |
| 496 | |
| 497 | Return the digest value as a string of hexadecimal digits. |
| 498 | [clinic start generated code]*/ |
| 499 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 500 | static PyObject * |
| 501 | SHA512Type_hexdigest_impl(SHAobject *self) |
Serhiy Storchaka | 1009bf1 | 2015-04-03 23:53:51 +0300 | [diff] [blame] | 502 | /*[clinic end generated code: output=7373305b8601e18b input=498b877b25cbe0a2]*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 503 | { |
| 504 | unsigned char digest[SHA_DIGESTSIZE]; |
| 505 | SHAobject temp; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 506 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 507 | /* Get the raw (binary) digest value */ |
| 508 | SHAcopy(self, &temp); |
| 509 | sha512_final(digest, &temp); |
| 510 | |
Gregory P. Smith | 8cb6569 | 2015-04-25 23:22:26 +0000 | [diff] [blame] | 511 | return _Py_strhex((const char *)digest, self->digestsize); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 512 | } |
| 513 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 514 | /*[clinic input] |
| 515 | SHA512Type.update |
| 516 | |
| 517 | obj: object |
| 518 | / |
| 519 | |
| 520 | Update this hash object's state with the provided string. |
| 521 | [clinic start generated code]*/ |
| 522 | |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 523 | static PyObject * |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 524 | SHA512Type_update(SHAobject *self, PyObject *obj) |
Serhiy Storchaka | 1009bf1 | 2015-04-03 23:53:51 +0300 | [diff] [blame] | 525 | /*[clinic end generated code: output=1cf333e73995a79e input=ded2b46656566283]*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 526 | { |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 527 | Py_buffer buf; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 528 | |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 529 | GET_BUFFER_VIEW_OR_ERROUT(obj, &buf); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 530 | |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 531 | sha512_update(self, buf.buf, buf.len); |
| 532 | |
| 533 | PyBuffer_Release(&buf); |
Serhiy Storchaka | 228b12e | 2017-01-23 09:47:21 +0200 | [diff] [blame] | 534 | Py_RETURN_NONE; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | static PyMethodDef SHA_methods[] = { |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 538 | SHA512TYPE_COPY_METHODDEF |
| 539 | SHA512TYPE_DIGEST_METHODDEF |
| 540 | SHA512TYPE_HEXDIGEST_METHODDEF |
| 541 | SHA512TYPE_UPDATE_METHODDEF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 542 | {NULL, NULL} /* sentinel */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 543 | }; |
| 544 | |
| 545 | static PyObject * |
| 546 | SHA512_get_block_size(PyObject *self, void *closure) |
| 547 | { |
Christian Heimes | 217cfd1 | 2007-12-02 14:31:20 +0000 | [diff] [blame] | 548 | return PyLong_FromLong(SHA_BLOCKSIZE); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 549 | } |
| 550 | |
| 551 | static PyObject * |
| 552 | SHA512_get_name(PyObject *self, void *closure) |
| 553 | { |
| 554 | if (((SHAobject *)self)->digestsize == 64) |
Christian Heimes | 37d5ceb | 2013-08-15 18:31:48 +0200 | [diff] [blame] | 555 | return PyUnicode_FromStringAndSize("sha512", 6); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 556 | else |
Christian Heimes | 37d5ceb | 2013-08-15 18:31:48 +0200 | [diff] [blame] | 557 | return PyUnicode_FromStringAndSize("sha384", 6); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 558 | } |
| 559 | |
| 560 | static PyGetSetDef SHA_getseters[] = { |
| 561 | {"block_size", |
| 562 | (getter)SHA512_get_block_size, NULL, |
| 563 | NULL, |
| 564 | NULL}, |
| 565 | {"name", |
| 566 | (getter)SHA512_get_name, NULL, |
| 567 | NULL, |
| 568 | NULL}, |
| 569 | {NULL} /* Sentinel */ |
| 570 | }; |
| 571 | |
| 572 | static PyMemberDef SHA_members[] = { |
| 573 | {"digest_size", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL}, |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 574 | {NULL} /* Sentinel */ |
| 575 | }; |
| 576 | |
| 577 | static PyTypeObject SHA384type = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 578 | PyVarObject_HEAD_INIT(NULL, 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 579 | "_sha512.sha384", /*tp_name*/ |
Peter Eisentraut | 0e0bc4e | 2018-09-10 18:46:08 +0200 | [diff] [blame] | 580 | sizeof(SHAobject), /*tp_basicsize*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 581 | 0, /*tp_itemsize*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 582 | /* methods */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 583 | SHA512_dealloc, /*tp_dealloc*/ |
Jeroen Demeyer | 530f506 | 2019-05-31 04:13:39 +0200 | [diff] [blame] | 584 | 0, /*tp_vectorcall_offset*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 585 | 0, /*tp_getattr*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 586 | 0, /*tp_setattr*/ |
Jeroen Demeyer | 530f506 | 2019-05-31 04:13:39 +0200 | [diff] [blame] | 587 | 0, /*tp_as_async*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 588 | 0, /*tp_repr*/ |
| 589 | 0, /*tp_as_number*/ |
| 590 | 0, /*tp_as_sequence*/ |
| 591 | 0, /*tp_as_mapping*/ |
| 592 | 0, /*tp_hash*/ |
| 593 | 0, /*tp_call*/ |
| 594 | 0, /*tp_str*/ |
| 595 | 0, /*tp_getattro*/ |
| 596 | 0, /*tp_setattro*/ |
| 597 | 0, /*tp_as_buffer*/ |
| 598 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 599 | 0, /*tp_doc*/ |
| 600 | 0, /*tp_traverse*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 601 | 0, /*tp_clear*/ |
| 602 | 0, /*tp_richcompare*/ |
| 603 | 0, /*tp_weaklistoffset*/ |
| 604 | 0, /*tp_iter*/ |
| 605 | 0, /*tp_iternext*/ |
| 606 | SHA_methods, /* tp_methods */ |
| 607 | SHA_members, /* tp_members */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 608 | SHA_getseters, /* tp_getset */ |
| 609 | }; |
| 610 | |
| 611 | static PyTypeObject SHA512type = { |
Martin v. Löwis | 9f2e346 | 2007-07-21 17:22:18 +0000 | [diff] [blame] | 612 | PyVarObject_HEAD_INIT(NULL, 0) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 613 | "_sha512.sha512", /*tp_name*/ |
Peter Eisentraut | 0e0bc4e | 2018-09-10 18:46:08 +0200 | [diff] [blame] | 614 | sizeof(SHAobject), /*tp_basicsize*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 615 | 0, /*tp_itemsize*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 616 | /* methods */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 617 | SHA512_dealloc, /*tp_dealloc*/ |
Jeroen Demeyer | 530f506 | 2019-05-31 04:13:39 +0200 | [diff] [blame] | 618 | 0, /*tp_vectorcall_offset*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 619 | 0, /*tp_getattr*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 620 | 0, /*tp_setattr*/ |
Jeroen Demeyer | 530f506 | 2019-05-31 04:13:39 +0200 | [diff] [blame] | 621 | 0, /*tp_as_async*/ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 622 | 0, /*tp_repr*/ |
| 623 | 0, /*tp_as_number*/ |
| 624 | 0, /*tp_as_sequence*/ |
| 625 | 0, /*tp_as_mapping*/ |
| 626 | 0, /*tp_hash*/ |
| 627 | 0, /*tp_call*/ |
| 628 | 0, /*tp_str*/ |
| 629 | 0, /*tp_getattro*/ |
| 630 | 0, /*tp_setattro*/ |
| 631 | 0, /*tp_as_buffer*/ |
| 632 | Py_TPFLAGS_DEFAULT, /*tp_flags*/ |
| 633 | 0, /*tp_doc*/ |
| 634 | 0, /*tp_traverse*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 635 | 0, /*tp_clear*/ |
| 636 | 0, /*tp_richcompare*/ |
| 637 | 0, /*tp_weaklistoffset*/ |
| 638 | 0, /*tp_iter*/ |
| 639 | 0, /*tp_iternext*/ |
| 640 | SHA_methods, /* tp_methods */ |
| 641 | SHA_members, /* tp_members */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 642 | SHA_getseters, /* tp_getset */ |
| 643 | }; |
| 644 | |
| 645 | |
| 646 | /* The single module-level function: new() */ |
| 647 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 648 | /*[clinic input] |
| 649 | _sha512.sha512 |
| 650 | |
| 651 | string: object(c_default="NULL") = b'' |
Christian Heimes | 7cad53e | 2019-09-13 02:30:00 +0200 | [diff] [blame] | 652 | * |
| 653 | usedforsecurity: bool = True |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 654 | |
| 655 | Return a new SHA-512 hash object; optionally initialized with a string. |
| 656 | [clinic start generated code]*/ |
| 657 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 658 | static PyObject * |
Christian Heimes | 7cad53e | 2019-09-13 02:30:00 +0200 | [diff] [blame] | 659 | _sha512_sha512_impl(PyObject *module, PyObject *string, int usedforsecurity) |
| 660 | /*[clinic end generated code: output=a8d9e5f9e6a0831c input=23b4daebc2ebb9c9]*/ |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 661 | { |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 662 | SHAobject *new; |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 663 | Py_buffer buf; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 664 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 665 | if (string) |
| 666 | GET_BUFFER_VIEW_OR_ERROUT(string, &buf); |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 667 | |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 668 | if ((new = newSHA512object()) == NULL) { |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 669 | if (string) |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 670 | PyBuffer_Release(&buf); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 671 | return NULL; |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 672 | } |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 673 | |
| 674 | sha512_init(new); |
| 675 | |
| 676 | if (PyErr_Occurred()) { |
| 677 | Py_DECREF(new); |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 678 | if (string) |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 679 | PyBuffer_Release(&buf); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 680 | return NULL; |
| 681 | } |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 682 | if (string) { |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 683 | sha512_update(new, buf.buf, buf.len); |
| 684 | PyBuffer_Release(&buf); |
| 685 | } |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 686 | |
| 687 | return (PyObject *)new; |
| 688 | } |
| 689 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 690 | /*[clinic input] |
| 691 | _sha512.sha384 |
| 692 | |
| 693 | string: object(c_default="NULL") = b'' |
Christian Heimes | 7cad53e | 2019-09-13 02:30:00 +0200 | [diff] [blame] | 694 | * |
| 695 | usedforsecurity: bool = True |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 696 | |
| 697 | Return a new SHA-384 hash object; optionally initialized with a string. |
| 698 | [clinic start generated code]*/ |
| 699 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 700 | static PyObject * |
Christian Heimes | 7cad53e | 2019-09-13 02:30:00 +0200 | [diff] [blame] | 701 | _sha512_sha384_impl(PyObject *module, PyObject *string, int usedforsecurity) |
| 702 | /*[clinic end generated code: output=da7d594a08027ac3 input=59ef72f039a6b431]*/ |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 703 | { |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 704 | SHAobject *new; |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 705 | Py_buffer buf; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 706 | |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 707 | if (string) |
| 708 | GET_BUFFER_VIEW_OR_ERROUT(string, &buf); |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 709 | |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 710 | if ((new = newSHA384object()) == NULL) { |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 711 | if (string) |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 712 | PyBuffer_Release(&buf); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 713 | return NULL; |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 714 | } |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 715 | |
| 716 | sha384_init(new); |
| 717 | |
| 718 | if (PyErr_Occurred()) { |
| 719 | Py_DECREF(new); |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 720 | if (string) |
Hirokazu Yamamoto | 8404749 | 2009-03-03 07:49:01 +0000 | [diff] [blame] | 721 | PyBuffer_Release(&buf); |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 722 | return NULL; |
| 723 | } |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 724 | if (string) { |
Gregory P. Smith | 365a186 | 2009-02-12 07:35:29 +0000 | [diff] [blame] | 725 | sha512_update(new, buf.buf, buf.len); |
| 726 | PyBuffer_Release(&buf); |
| 727 | } |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 728 | |
| 729 | return (PyObject *)new; |
| 730 | } |
| 731 | |
| 732 | |
| 733 | /* List of functions exported by this module */ |
| 734 | |
| 735 | static struct PyMethodDef SHA_functions[] = { |
Martin v. Löwis | 501b13c | 2014-07-27 14:20:23 +0200 | [diff] [blame] | 736 | _SHA512_SHA512_METHODDEF |
| 737 | _SHA512_SHA384_METHODDEF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 738 | {NULL, NULL} /* Sentinel */ |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 739 | }; |
| 740 | |
| 741 | |
| 742 | /* Initialize this module. */ |
| 743 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 744 | static struct PyModuleDef _sha512module = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 745 | PyModuleDef_HEAD_INIT, |
| 746 | "_sha512", |
| 747 | NULL, |
| 748 | -1, |
| 749 | SHA_functions, |
| 750 | NULL, |
| 751 | NULL, |
| 752 | NULL, |
| 753 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 754 | }; |
| 755 | |
| 756 | PyMODINIT_FUNC |
| 757 | PyInit__sha512(void) |
| 758 | { |
Christian Heimes | 327dd73 | 2013-10-22 15:05:23 +0200 | [diff] [blame] | 759 | PyObject *m; |
| 760 | |
Victor Stinner | d2ec81a | 2020-02-07 09:17:07 +0100 | [diff] [blame] | 761 | Py_SET_TYPE(&SHA384type, &PyType_Type); |
| 762 | if (PyType_Ready(&SHA384type) < 0) { |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 763 | return NULL; |
Victor Stinner | d2ec81a | 2020-02-07 09:17:07 +0100 | [diff] [blame] | 764 | } |
| 765 | Py_SET_TYPE(&SHA512type, &PyType_Type); |
| 766 | if (PyType_Ready(&SHA512type) < 0) { |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 767 | return NULL; |
Victor Stinner | d2ec81a | 2020-02-07 09:17:07 +0100 | [diff] [blame] | 768 | } |
Christian Heimes | 327dd73 | 2013-10-22 15:05:23 +0200 | [diff] [blame] | 769 | |
| 770 | m = PyModule_Create(&_sha512module); |
Victor Stinner | d2ec81a | 2020-02-07 09:17:07 +0100 | [diff] [blame] | 771 | if (m == NULL) { |
Christian Heimes | 327dd73 | 2013-10-22 15:05:23 +0200 | [diff] [blame] | 772 | return NULL; |
Victor Stinner | d2ec81a | 2020-02-07 09:17:07 +0100 | [diff] [blame] | 773 | } |
Christian Heimes | 327dd73 | 2013-10-22 15:05:23 +0200 | [diff] [blame] | 774 | |
| 775 | Py_INCREF((PyObject *)&SHA384type); |
| 776 | PyModule_AddObject(m, "SHA384Type", (PyObject *)&SHA384type); |
| 777 | Py_INCREF((PyObject *)&SHA512type); |
| 778 | PyModule_AddObject(m, "SHA512Type", (PyObject *)&SHA512type); |
| 779 | return m; |
Gregory P. Smith | f21a5f7 | 2005-08-21 18:45:59 +0000 | [diff] [blame] | 780 | } |