| 1 | /* SHA512 module */
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| 2 |
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| 3 | /* This module provides an interface to NIST's SHA-512 and SHA-384 Algorithms */
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| 4 |
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| 5 | /* See below for information about the original code this module was
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| 6 | based upon. Additional work performed by:
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| 7 |
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| 8 | Andrew Kuchling (amk@amk.ca)
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| 9 | Greg Stein (gstein@lyra.org)
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| 10 | Trevor Perrin (trevp@trevp.net)
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| 11 |
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| 12 | Copyright (C) 2005 Gregory P. Smith (greg@electricrain.com)
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| 13 | Licensed to PSF under a Contributor Agreement.
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| 14 |
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| 15 | */
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| 16 |
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| 17 | /* SHA objects */
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| 18 |
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| 19 | #include "Python.h"
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| 20 | #include "structmember.h"
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| 21 |
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| 22 | #ifdef PY_LONG_LONG /* If no PY_LONG_LONG, don't compile anything! */
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| 23 |
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| 24 | /* Endianness testing and definitions */
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| 25 | #define TestEndianness(variable) {int i=1; variable=PCT_BIG_ENDIAN;\
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| 26 | if (*((char*)&i)==1) variable=PCT_LITTLE_ENDIAN;}
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| 27 |
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| 28 | #define PCT_LITTLE_ENDIAN 1
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| 29 | #define PCT_BIG_ENDIAN 0
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| 30 |
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| 31 | /* Some useful types */
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| 32 |
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| 33 | typedef unsigned char SHA_BYTE;
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| 34 |
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| 35 | #if SIZEOF_INT == 4
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| 36 | typedef unsigned int SHA_INT32; /* 32-bit integer */
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| 37 | typedef unsigned PY_LONG_LONG SHA_INT64; /* 64-bit integer */
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| 38 | #else
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| 39 | /* not defined. compilation will die. */
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| 40 | #endif
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| 41 |
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| 42 | /* The SHA block size and message digest sizes, in bytes */
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| 43 |
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| 44 | #define SHA_BLOCKSIZE 128
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| 45 | #define SHA_DIGESTSIZE 64
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| 46 |
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| 47 | /* The structure for storing SHA info */
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| 48 |
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| 49 | typedef struct {
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| 50 | PyObject_HEAD
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| 51 | SHA_INT64 digest[8]; /* Message digest */
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| 52 | SHA_INT32 count_lo, count_hi; /* 64-bit bit count */
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| 53 | SHA_BYTE data[SHA_BLOCKSIZE]; /* SHA data buffer */
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| 54 | int Endianness;
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| 55 | int local; /* unprocessed amount in data */
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| 56 | int digestsize;
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| 57 | } SHAobject;
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| 58 |
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| 59 | /* When run on a little-endian CPU we need to perform byte reversal on an
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| 60 | array of longwords. */
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| 61 |
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| 62 | static void longReverse(SHA_INT64 *buffer, int byteCount, int Endianness)
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| 63 | {
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| 64 | SHA_INT64 value;
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| 65 |
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| 66 | if ( Endianness == PCT_BIG_ENDIAN )
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| 67 | return;
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| 68 |
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| 69 | byteCount /= sizeof(*buffer);
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| 70 | while (byteCount--) {
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| 71 | value = *buffer;
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| 72 |
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| 73 | ((unsigned char*)buffer)[0] = (unsigned char)(value >> 56) & 0xff;
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| 74 | ((unsigned char*)buffer)[1] = (unsigned char)(value >> 48) & 0xff;
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| 75 | ((unsigned char*)buffer)[2] = (unsigned char)(value >> 40) & 0xff;
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| 76 | ((unsigned char*)buffer)[3] = (unsigned char)(value >> 32) & 0xff;
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| 77 | ((unsigned char*)buffer)[4] = (unsigned char)(value >> 24) & 0xff;
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| 78 | ((unsigned char*)buffer)[5] = (unsigned char)(value >> 16) & 0xff;
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| 79 | ((unsigned char*)buffer)[6] = (unsigned char)(value >> 8) & 0xff;
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| 80 | ((unsigned char*)buffer)[7] = (unsigned char)(value ) & 0xff;
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| 81 |
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| 82 | buffer++;
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| 83 | }
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| 84 | }
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| 85 |
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| 86 | static void SHAcopy(SHAobject *src, SHAobject *dest)
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| 87 | {
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| 88 | dest->Endianness = src->Endianness;
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| 89 | dest->local = src->local;
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| 90 | dest->digestsize = src->digestsize;
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| 91 | dest->count_lo = src->count_lo;
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| 92 | dest->count_hi = src->count_hi;
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| 93 | memcpy(dest->digest, src->digest, sizeof(src->digest));
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| 94 | memcpy(dest->data, src->data, sizeof(src->data));
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| 95 | }
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| 96 |
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| 97 |
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| 98 | /* ------------------------------------------------------------------------
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| 99 | *
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| 100 | * This code for the SHA-512 algorithm was noted as public domain. The
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| 101 | * original headers are pasted below.
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| 102 | *
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| 103 | * Several changes have been made to make it more compatible with the
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| 104 | * Python environment and desired interface.
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| 105 | *
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| 106 | */
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| 107 |
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| 108 | /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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| 109 | *
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| 110 | * LibTomCrypt is a library that provides various cryptographic
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| 111 | * algorithms in a highly modular and flexible manner.
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| 112 | *
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| 113 | * The library is free for all purposes without any express
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| 114 | * gurantee it works.
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| 115 | *
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| 116 | * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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| 117 | */
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| 118 |
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| 119 |
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| 120 | /* SHA512 by Tom St Denis */
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| 121 |
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| 122 | /* Various logical functions */
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| 123 | #define ROR64(x, y) \
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| 124 | ( ((((x) & Py_ULL(0xFFFFFFFFFFFFFFFF))>>((unsigned PY_LONG_LONG)(y) & 63)) | \
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| 125 | ((x)<<((unsigned PY_LONG_LONG)(64-((y) & 63))))) & Py_ULL(0xFFFFFFFFFFFFFFFF))
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| 126 | #define Ch(x,y,z) (z ^ (x & (y ^ z)))
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| 127 | #define Maj(x,y,z) (((x | y) & z) | (x & y))
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| 128 | #define S(x, n) ROR64((x),(n))
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| 129 | #define R(x, n) (((x) & Py_ULL(0xFFFFFFFFFFFFFFFF)) >> ((unsigned PY_LONG_LONG)n))
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| 130 | #define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39))
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| 131 | #define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41))
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| 132 | #define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7))
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| 133 | #define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6))
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| 134 |
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| 135 |
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| 136 | static void
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| 137 | sha512_transform(SHAobject *sha_info)
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| 138 | {
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| 139 | int i;
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| 140 | SHA_INT64 S[8], W[80], t0, t1;
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| 141 |
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| 142 | memcpy(W, sha_info->data, sizeof(sha_info->data));
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| 143 | longReverse(W, (int)sizeof(sha_info->data), sha_info->Endianness);
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| 144 |
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| 145 | for (i = 16; i < 80; ++i) {
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| 146 | W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
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| 147 | }
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| 148 | for (i = 0; i < 8; ++i) {
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| 149 | S[i] = sha_info->digest[i];
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| 150 | }
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| 151 |
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| 152 | /* Compress */
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| 153 | #define RND(a,b,c,d,e,f,g,h,i,ki) \
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| 154 | t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \
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| 155 | t1 = Sigma0(a) + Maj(a, b, c); \
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| 156 | d += t0; \
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| 157 | h = t0 + t1;
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| 158 |
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| 159 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,Py_ULL(0x428a2f98d728ae22));
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| 160 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,Py_ULL(0x7137449123ef65cd));
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| 161 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,Py_ULL(0xb5c0fbcfec4d3b2f));
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| 162 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,Py_ULL(0xe9b5dba58189dbbc));
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| 163 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,Py_ULL(0x3956c25bf348b538));
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| 164 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,Py_ULL(0x59f111f1b605d019));
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| 165 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,Py_ULL(0x923f82a4af194f9b));
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| 166 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,Py_ULL(0xab1c5ed5da6d8118));
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| 167 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,Py_ULL(0xd807aa98a3030242));
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| 168 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,Py_ULL(0x12835b0145706fbe));
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| 169 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,Py_ULL(0x243185be4ee4b28c));
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| 170 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,Py_ULL(0x550c7dc3d5ffb4e2));
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| 171 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,Py_ULL(0x72be5d74f27b896f));
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| 172 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,Py_ULL(0x80deb1fe3b1696b1));
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| 173 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,Py_ULL(0x9bdc06a725c71235));
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| 174 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,Py_ULL(0xc19bf174cf692694));
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| 175 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,Py_ULL(0xe49b69c19ef14ad2));
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| 176 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,Py_ULL(0xefbe4786384f25e3));
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| 177 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,Py_ULL(0x0fc19dc68b8cd5b5));
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| 178 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,Py_ULL(0x240ca1cc77ac9c65));
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| 179 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,Py_ULL(0x2de92c6f592b0275));
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| 180 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,Py_ULL(0x4a7484aa6ea6e483));
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| 181 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,Py_ULL(0x5cb0a9dcbd41fbd4));
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| 182 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,Py_ULL(0x76f988da831153b5));
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| 183 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,Py_ULL(0x983e5152ee66dfab));
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| 184 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,Py_ULL(0xa831c66d2db43210));
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| 185 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,Py_ULL(0xb00327c898fb213f));
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| 186 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,Py_ULL(0xbf597fc7beef0ee4));
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| 187 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,Py_ULL(0xc6e00bf33da88fc2));
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| 188 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,Py_ULL(0xd5a79147930aa725));
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| 189 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,Py_ULL(0x06ca6351e003826f));
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| 190 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,Py_ULL(0x142929670a0e6e70));
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| 191 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,Py_ULL(0x27b70a8546d22ffc));
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| 192 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,Py_ULL(0x2e1b21385c26c926));
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| 193 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,Py_ULL(0x4d2c6dfc5ac42aed));
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| 194 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,Py_ULL(0x53380d139d95b3df));
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| 195 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,Py_ULL(0x650a73548baf63de));
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| 196 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,Py_ULL(0x766a0abb3c77b2a8));
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| 197 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,Py_ULL(0x81c2c92e47edaee6));
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| 198 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,Py_ULL(0x92722c851482353b));
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| 199 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,Py_ULL(0xa2bfe8a14cf10364));
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| 200 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,Py_ULL(0xa81a664bbc423001));
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| 201 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,Py_ULL(0xc24b8b70d0f89791));
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| 202 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,Py_ULL(0xc76c51a30654be30));
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| 203 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,Py_ULL(0xd192e819d6ef5218));
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| 204 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,Py_ULL(0xd69906245565a910));
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| 205 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,Py_ULL(0xf40e35855771202a));
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| 206 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,Py_ULL(0x106aa07032bbd1b8));
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| 207 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,Py_ULL(0x19a4c116b8d2d0c8));
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| 208 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,Py_ULL(0x1e376c085141ab53));
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| 209 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,Py_ULL(0x2748774cdf8eeb99));
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| 210 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,Py_ULL(0x34b0bcb5e19b48a8));
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| 211 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,Py_ULL(0x391c0cb3c5c95a63));
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| 212 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,Py_ULL(0x4ed8aa4ae3418acb));
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| 213 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,Py_ULL(0x5b9cca4f7763e373));
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| 214 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,Py_ULL(0x682e6ff3d6b2b8a3));
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| 215 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,Py_ULL(0x748f82ee5defb2fc));
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| 216 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,Py_ULL(0x78a5636f43172f60));
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| 217 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,Py_ULL(0x84c87814a1f0ab72));
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| 218 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,Py_ULL(0x8cc702081a6439ec));
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| 219 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,Py_ULL(0x90befffa23631e28));
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| 220 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,Py_ULL(0xa4506cebde82bde9));
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| 221 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,Py_ULL(0xbef9a3f7b2c67915));
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| 222 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,Py_ULL(0xc67178f2e372532b));
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| 223 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],64,Py_ULL(0xca273eceea26619c));
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| 224 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],65,Py_ULL(0xd186b8c721c0c207));
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| 225 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],66,Py_ULL(0xeada7dd6cde0eb1e));
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| 226 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],67,Py_ULL(0xf57d4f7fee6ed178));
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| 227 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],68,Py_ULL(0x06f067aa72176fba));
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| 228 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],69,Py_ULL(0x0a637dc5a2c898a6));
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| 229 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],70,Py_ULL(0x113f9804bef90dae));
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| 230 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],71,Py_ULL(0x1b710b35131c471b));
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| 231 | RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],72,Py_ULL(0x28db77f523047d84));
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| 232 | RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],73,Py_ULL(0x32caab7b40c72493));
|
|---|
| 233 | RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],74,Py_ULL(0x3c9ebe0a15c9bebc));
|
|---|
| 234 | RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],75,Py_ULL(0x431d67c49c100d4c));
|
|---|
| 235 | RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],76,Py_ULL(0x4cc5d4becb3e42b6));
|
|---|
| 236 | RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],77,Py_ULL(0x597f299cfc657e2a));
|
|---|
| 237 | RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],78,Py_ULL(0x5fcb6fab3ad6faec));
|
|---|
| 238 | RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],79,Py_ULL(0x6c44198c4a475817));
|
|---|
| 239 |
|
|---|
| 240 | #undef RND
|
|---|
| 241 |
|
|---|
| 242 | /* feedback */
|
|---|
| 243 | for (i = 0; i < 8; i++) {
|
|---|
| 244 | sha_info->digest[i] = sha_info->digest[i] + S[i];
|
|---|
| 245 | }
|
|---|
| 246 |
|
|---|
| 247 | }
|
|---|
| 248 |
|
|---|
| 249 |
|
|---|
| 250 |
|
|---|
| 251 | /* initialize the SHA digest */
|
|---|
| 252 |
|
|---|
| 253 | static void
|
|---|
| 254 | sha512_init(SHAobject *sha_info)
|
|---|
| 255 | {
|
|---|
| 256 | TestEndianness(sha_info->Endianness)
|
|---|
| 257 | sha_info->digest[0] = Py_ULL(0x6a09e667f3bcc908);
|
|---|
| 258 | sha_info->digest[1] = Py_ULL(0xbb67ae8584caa73b);
|
|---|
| 259 | sha_info->digest[2] = Py_ULL(0x3c6ef372fe94f82b);
|
|---|
| 260 | sha_info->digest[3] = Py_ULL(0xa54ff53a5f1d36f1);
|
|---|
| 261 | sha_info->digest[4] = Py_ULL(0x510e527fade682d1);
|
|---|
| 262 | sha_info->digest[5] = Py_ULL(0x9b05688c2b3e6c1f);
|
|---|
| 263 | sha_info->digest[6] = Py_ULL(0x1f83d9abfb41bd6b);
|
|---|
| 264 | sha_info->digest[7] = Py_ULL(0x5be0cd19137e2179);
|
|---|
| 265 | sha_info->count_lo = 0L;
|
|---|
| 266 | sha_info->count_hi = 0L;
|
|---|
| 267 | sha_info->local = 0;
|
|---|
| 268 | sha_info->digestsize = 64;
|
|---|
| 269 | }
|
|---|
| 270 |
|
|---|
| 271 | static void
|
|---|
| 272 | sha384_init(SHAobject *sha_info)
|
|---|
| 273 | {
|
|---|
| 274 | TestEndianness(sha_info->Endianness)
|
|---|
| 275 | sha_info->digest[0] = Py_ULL(0xcbbb9d5dc1059ed8);
|
|---|
| 276 | sha_info->digest[1] = Py_ULL(0x629a292a367cd507);
|
|---|
| 277 | sha_info->digest[2] = Py_ULL(0x9159015a3070dd17);
|
|---|
| 278 | sha_info->digest[3] = Py_ULL(0x152fecd8f70e5939);
|
|---|
| 279 | sha_info->digest[4] = Py_ULL(0x67332667ffc00b31);
|
|---|
| 280 | sha_info->digest[5] = Py_ULL(0x8eb44a8768581511);
|
|---|
| 281 | sha_info->digest[6] = Py_ULL(0xdb0c2e0d64f98fa7);
|
|---|
| 282 | sha_info->digest[7] = Py_ULL(0x47b5481dbefa4fa4);
|
|---|
| 283 | sha_info->count_lo = 0L;
|
|---|
| 284 | sha_info->count_hi = 0L;
|
|---|
| 285 | sha_info->local = 0;
|
|---|
| 286 | sha_info->digestsize = 48;
|
|---|
| 287 | }
|
|---|
| 288 |
|
|---|
| 289 |
|
|---|
| 290 | /* update the SHA digest */
|
|---|
| 291 |
|
|---|
| 292 | static void
|
|---|
| 293 | sha512_update(SHAobject *sha_info, SHA_BYTE *buffer, int count)
|
|---|
| 294 | {
|
|---|
| 295 | int i;
|
|---|
| 296 | SHA_INT32 clo;
|
|---|
| 297 |
|
|---|
| 298 | clo = sha_info->count_lo + ((SHA_INT32) count << 3);
|
|---|
| 299 | if (clo < sha_info->count_lo) {
|
|---|
| 300 | ++sha_info->count_hi;
|
|---|
| 301 | }
|
|---|
| 302 | sha_info->count_lo = clo;
|
|---|
| 303 | sha_info->count_hi += (SHA_INT32) count >> 29;
|
|---|
| 304 | if (sha_info->local) {
|
|---|
| 305 | i = SHA_BLOCKSIZE - sha_info->local;
|
|---|
| 306 | if (i > count) {
|
|---|
| 307 | i = count;
|
|---|
| 308 | }
|
|---|
| 309 | memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i);
|
|---|
| 310 | count -= i;
|
|---|
| 311 | buffer += i;
|
|---|
| 312 | sha_info->local += i;
|
|---|
| 313 | if (sha_info->local == SHA_BLOCKSIZE) {
|
|---|
| 314 | sha512_transform(sha_info);
|
|---|
| 315 | }
|
|---|
| 316 | else {
|
|---|
| 317 | return;
|
|---|
| 318 | }
|
|---|
| 319 | }
|
|---|
| 320 | while (count >= SHA_BLOCKSIZE) {
|
|---|
| 321 | memcpy(sha_info->data, buffer, SHA_BLOCKSIZE);
|
|---|
| 322 | buffer += SHA_BLOCKSIZE;
|
|---|
| 323 | count -= SHA_BLOCKSIZE;
|
|---|
| 324 | sha512_transform(sha_info);
|
|---|
| 325 | }
|
|---|
| 326 | memcpy(sha_info->data, buffer, count);
|
|---|
| 327 | sha_info->local = count;
|
|---|
| 328 | }
|
|---|
| 329 |
|
|---|
| 330 | /* finish computing the SHA digest */
|
|---|
| 331 |
|
|---|
| 332 | static void
|
|---|
| 333 | sha512_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info)
|
|---|
| 334 | {
|
|---|
| 335 | int count;
|
|---|
| 336 | SHA_INT32 lo_bit_count, hi_bit_count;
|
|---|
| 337 |
|
|---|
| 338 | lo_bit_count = sha_info->count_lo;
|
|---|
| 339 | hi_bit_count = sha_info->count_hi;
|
|---|
| 340 | count = (int) ((lo_bit_count >> 3) & 0x7f);
|
|---|
| 341 | ((SHA_BYTE *) sha_info->data)[count++] = 0x80;
|
|---|
| 342 | if (count > SHA_BLOCKSIZE - 16) {
|
|---|
| 343 | memset(((SHA_BYTE *) sha_info->data) + count, 0,
|
|---|
| 344 | SHA_BLOCKSIZE - count);
|
|---|
| 345 | sha512_transform(sha_info);
|
|---|
| 346 | memset((SHA_BYTE *) sha_info->data, 0, SHA_BLOCKSIZE - 16);
|
|---|
| 347 | }
|
|---|
| 348 | else {
|
|---|
| 349 | memset(((SHA_BYTE *) sha_info->data) + count, 0,
|
|---|
| 350 | SHA_BLOCKSIZE - 16 - count);
|
|---|
| 351 | }
|
|---|
| 352 |
|
|---|
| 353 | /* GJS: note that we add the hi/lo in big-endian. sha512_transform will
|
|---|
| 354 | swap these values into host-order. */
|
|---|
| 355 | sha_info->data[112] = 0;
|
|---|
| 356 | sha_info->data[113] = 0;
|
|---|
| 357 | sha_info->data[114] = 0;
|
|---|
| 358 | sha_info->data[115] = 0;
|
|---|
| 359 | sha_info->data[116] = 0;
|
|---|
| 360 | sha_info->data[117] = 0;
|
|---|
| 361 | sha_info->data[118] = 0;
|
|---|
| 362 | sha_info->data[119] = 0;
|
|---|
| 363 | sha_info->data[120] = (hi_bit_count >> 24) & 0xff;
|
|---|
| 364 | sha_info->data[121] = (hi_bit_count >> 16) & 0xff;
|
|---|
| 365 | sha_info->data[122] = (hi_bit_count >> 8) & 0xff;
|
|---|
| 366 | sha_info->data[123] = (hi_bit_count >> 0) & 0xff;
|
|---|
| 367 | sha_info->data[124] = (lo_bit_count >> 24) & 0xff;
|
|---|
| 368 | sha_info->data[125] = (lo_bit_count >> 16) & 0xff;
|
|---|
| 369 | sha_info->data[126] = (lo_bit_count >> 8) & 0xff;
|
|---|
| 370 | sha_info->data[127] = (lo_bit_count >> 0) & 0xff;
|
|---|
| 371 | sha512_transform(sha_info);
|
|---|
| 372 | digest[ 0] = (unsigned char) ((sha_info->digest[0] >> 56) & 0xff);
|
|---|
| 373 | digest[ 1] = (unsigned char) ((sha_info->digest[0] >> 48) & 0xff);
|
|---|
| 374 | digest[ 2] = (unsigned char) ((sha_info->digest[0] >> 40) & 0xff);
|
|---|
| 375 | digest[ 3] = (unsigned char) ((sha_info->digest[0] >> 32) & 0xff);
|
|---|
| 376 | digest[ 4] = (unsigned char) ((sha_info->digest[0] >> 24) & 0xff);
|
|---|
| 377 | digest[ 5] = (unsigned char) ((sha_info->digest[0] >> 16) & 0xff);
|
|---|
| 378 | digest[ 6] = (unsigned char) ((sha_info->digest[0] >> 8) & 0xff);
|
|---|
| 379 | digest[ 7] = (unsigned char) ((sha_info->digest[0] ) & 0xff);
|
|---|
| 380 | digest[ 8] = (unsigned char) ((sha_info->digest[1] >> 56) & 0xff);
|
|---|
| 381 | digest[ 9] = (unsigned char) ((sha_info->digest[1] >> 48) & 0xff);
|
|---|
| 382 | digest[10] = (unsigned char) ((sha_info->digest[1] >> 40) & 0xff);
|
|---|
| 383 | digest[11] = (unsigned char) ((sha_info->digest[1] >> 32) & 0xff);
|
|---|
| 384 | digest[12] = (unsigned char) ((sha_info->digest[1] >> 24) & 0xff);
|
|---|
| 385 | digest[13] = (unsigned char) ((sha_info->digest[1] >> 16) & 0xff);
|
|---|
| 386 | digest[14] = (unsigned char) ((sha_info->digest[1] >> 8) & 0xff);
|
|---|
| 387 | digest[15] = (unsigned char) ((sha_info->digest[1] ) & 0xff);
|
|---|
| 388 | digest[16] = (unsigned char) ((sha_info->digest[2] >> 56) & 0xff);
|
|---|
| 389 | digest[17] = (unsigned char) ((sha_info->digest[2] >> 48) & 0xff);
|
|---|
| 390 | digest[18] = (unsigned char) ((sha_info->digest[2] >> 40) & 0xff);
|
|---|
| 391 | digest[19] = (unsigned char) ((sha_info->digest[2] >> 32) & 0xff);
|
|---|
| 392 | digest[20] = (unsigned char) ((sha_info->digest[2] >> 24) & 0xff);
|
|---|
| 393 | digest[21] = (unsigned char) ((sha_info->digest[2] >> 16) & 0xff);
|
|---|
| 394 | digest[22] = (unsigned char) ((sha_info->digest[2] >> 8) & 0xff);
|
|---|
| 395 | digest[23] = (unsigned char) ((sha_info->digest[2] ) & 0xff);
|
|---|
| 396 | digest[24] = (unsigned char) ((sha_info->digest[3] >> 56) & 0xff);
|
|---|
| 397 | digest[25] = (unsigned char) ((sha_info->digest[3] >> 48) & 0xff);
|
|---|
| 398 | digest[26] = (unsigned char) ((sha_info->digest[3] >> 40) & 0xff);
|
|---|
| 399 | digest[27] = (unsigned char) ((sha_info->digest[3] >> 32) & 0xff);
|
|---|
| 400 | digest[28] = (unsigned char) ((sha_info->digest[3] >> 24) & 0xff);
|
|---|
| 401 | digest[29] = (unsigned char) ((sha_info->digest[3] >> 16) & 0xff);
|
|---|
| 402 | digest[30] = (unsigned char) ((sha_info->digest[3] >> 8) & 0xff);
|
|---|
| 403 | digest[31] = (unsigned char) ((sha_info->digest[3] ) & 0xff);
|
|---|
| 404 | digest[32] = (unsigned char) ((sha_info->digest[4] >> 56) & 0xff);
|
|---|
| 405 | digest[33] = (unsigned char) ((sha_info->digest[4] >> 48) & 0xff);
|
|---|
| 406 | digest[34] = (unsigned char) ((sha_info->digest[4] >> 40) & 0xff);
|
|---|
| 407 | digest[35] = (unsigned char) ((sha_info->digest[4] >> 32) & 0xff);
|
|---|
| 408 | digest[36] = (unsigned char) ((sha_info->digest[4] >> 24) & 0xff);
|
|---|
| 409 | digest[37] = (unsigned char) ((sha_info->digest[4] >> 16) & 0xff);
|
|---|
| 410 | digest[38] = (unsigned char) ((sha_info->digest[4] >> 8) & 0xff);
|
|---|
| 411 | digest[39] = (unsigned char) ((sha_info->digest[4] ) & 0xff);
|
|---|
| 412 | digest[40] = (unsigned char) ((sha_info->digest[5] >> 56) & 0xff);
|
|---|
| 413 | digest[41] = (unsigned char) ((sha_info->digest[5] >> 48) & 0xff);
|
|---|
| 414 | digest[42] = (unsigned char) ((sha_info->digest[5] >> 40) & 0xff);
|
|---|
| 415 | digest[43] = (unsigned char) ((sha_info->digest[5] >> 32) & 0xff);
|
|---|
| 416 | digest[44] = (unsigned char) ((sha_info->digest[5] >> 24) & 0xff);
|
|---|
| 417 | digest[45] = (unsigned char) ((sha_info->digest[5] >> 16) & 0xff);
|
|---|
| 418 | digest[46] = (unsigned char) ((sha_info->digest[5] >> 8) & 0xff);
|
|---|
| 419 | digest[47] = (unsigned char) ((sha_info->digest[5] ) & 0xff);
|
|---|
| 420 | digest[48] = (unsigned char) ((sha_info->digest[6] >> 56) & 0xff);
|
|---|
| 421 | digest[49] = (unsigned char) ((sha_info->digest[6] >> 48) & 0xff);
|
|---|
| 422 | digest[50] = (unsigned char) ((sha_info->digest[6] >> 40) & 0xff);
|
|---|
| 423 | digest[51] = (unsigned char) ((sha_info->digest[6] >> 32) & 0xff);
|
|---|
| 424 | digest[52] = (unsigned char) ((sha_info->digest[6] >> 24) & 0xff);
|
|---|
| 425 | digest[53] = (unsigned char) ((sha_info->digest[6] >> 16) & 0xff);
|
|---|
| 426 | digest[54] = (unsigned char) ((sha_info->digest[6] >> 8) & 0xff);
|
|---|
| 427 | digest[55] = (unsigned char) ((sha_info->digest[6] ) & 0xff);
|
|---|
| 428 | digest[56] = (unsigned char) ((sha_info->digest[7] >> 56) & 0xff);
|
|---|
| 429 | digest[57] = (unsigned char) ((sha_info->digest[7] >> 48) & 0xff);
|
|---|
| 430 | digest[58] = (unsigned char) ((sha_info->digest[7] >> 40) & 0xff);
|
|---|
| 431 | digest[59] = (unsigned char) ((sha_info->digest[7] >> 32) & 0xff);
|
|---|
| 432 | digest[60] = (unsigned char) ((sha_info->digest[7] >> 24) & 0xff);
|
|---|
| 433 | digest[61] = (unsigned char) ((sha_info->digest[7] >> 16) & 0xff);
|
|---|
| 434 | digest[62] = (unsigned char) ((sha_info->digest[7] >> 8) & 0xff);
|
|---|
| 435 | digest[63] = (unsigned char) ((sha_info->digest[7] ) & 0xff);
|
|---|
| 436 | }
|
|---|
| 437 |
|
|---|
| 438 | /*
|
|---|
| 439 | * End of copied SHA code.
|
|---|
| 440 | *
|
|---|
| 441 | * ------------------------------------------------------------------------
|
|---|
| 442 | */
|
|---|
| 443 |
|
|---|
| 444 | static PyTypeObject SHA384type;
|
|---|
| 445 | static PyTypeObject SHA512type;
|
|---|
| 446 |
|
|---|
| 447 |
|
|---|
| 448 | static SHAobject *
|
|---|
| 449 | newSHA384object(void)
|
|---|
| 450 | {
|
|---|
| 451 | return (SHAobject *)PyObject_New(SHAobject, &SHA384type);
|
|---|
| 452 | }
|
|---|
| 453 |
|
|---|
| 454 | static SHAobject *
|
|---|
| 455 | newSHA512object(void)
|
|---|
| 456 | {
|
|---|
| 457 | return (SHAobject *)PyObject_New(SHAobject, &SHA512type);
|
|---|
| 458 | }
|
|---|
| 459 |
|
|---|
| 460 | /* Internal methods for a hash object */
|
|---|
| 461 |
|
|---|
| 462 | static void
|
|---|
| 463 | SHA512_dealloc(PyObject *ptr)
|
|---|
| 464 | {
|
|---|
| 465 | PyObject_Del(ptr);
|
|---|
| 466 | }
|
|---|
| 467 |
|
|---|
| 468 |
|
|---|
| 469 | /* External methods for a hash object */
|
|---|
| 470 |
|
|---|
| 471 | PyDoc_STRVAR(SHA512_copy__doc__, "Return a copy of the hash object.");
|
|---|
| 472 |
|
|---|
| 473 | static PyObject *
|
|---|
| 474 | SHA512_copy(SHAobject *self, PyObject *unused)
|
|---|
| 475 | {
|
|---|
| 476 | SHAobject *newobj;
|
|---|
| 477 |
|
|---|
| 478 | if (((PyObject*)self)->ob_type == &SHA512type) {
|
|---|
| 479 | if ( (newobj = newSHA512object())==NULL)
|
|---|
| 480 | return NULL;
|
|---|
| 481 | } else {
|
|---|
| 482 | if ( (newobj = newSHA384object())==NULL)
|
|---|
| 483 | return NULL;
|
|---|
| 484 | }
|
|---|
| 485 |
|
|---|
| 486 | SHAcopy(self, newobj);
|
|---|
| 487 | return (PyObject *)newobj;
|
|---|
| 488 | }
|
|---|
| 489 |
|
|---|
| 490 | PyDoc_STRVAR(SHA512_digest__doc__,
|
|---|
| 491 | "Return the digest value as a string of binary data.");
|
|---|
| 492 |
|
|---|
| 493 | static PyObject *
|
|---|
| 494 | SHA512_digest(SHAobject *self, PyObject *unused)
|
|---|
| 495 | {
|
|---|
| 496 | unsigned char digest[SHA_DIGESTSIZE];
|
|---|
| 497 | SHAobject temp;
|
|---|
| 498 |
|
|---|
| 499 | SHAcopy(self, &temp);
|
|---|
| 500 | sha512_final(digest, &temp);
|
|---|
| 501 | return PyString_FromStringAndSize((const char *)digest, self->digestsize);
|
|---|
| 502 | }
|
|---|
| 503 |
|
|---|
| 504 | PyDoc_STRVAR(SHA512_hexdigest__doc__,
|
|---|
| 505 | "Return the digest value as a string of hexadecimal digits.");
|
|---|
| 506 |
|
|---|
| 507 | static PyObject *
|
|---|
| 508 | SHA512_hexdigest(SHAobject *self, PyObject *unused)
|
|---|
| 509 | {
|
|---|
| 510 | unsigned char digest[SHA_DIGESTSIZE];
|
|---|
| 511 | SHAobject temp;
|
|---|
| 512 | PyObject *retval;
|
|---|
| 513 | char *hex_digest;
|
|---|
| 514 | int i, j;
|
|---|
| 515 |
|
|---|
| 516 | /* Get the raw (binary) digest value */
|
|---|
| 517 | SHAcopy(self, &temp);
|
|---|
| 518 | sha512_final(digest, &temp);
|
|---|
| 519 |
|
|---|
| 520 | /* Create a new string */
|
|---|
| 521 | retval = PyString_FromStringAndSize(NULL, self->digestsize * 2);
|
|---|
| 522 | if (!retval)
|
|---|
| 523 | return NULL;
|
|---|
| 524 | hex_digest = PyString_AsString(retval);
|
|---|
| 525 | if (!hex_digest) {
|
|---|
| 526 | Py_DECREF(retval);
|
|---|
| 527 | return NULL;
|
|---|
| 528 | }
|
|---|
| 529 |
|
|---|
| 530 | /* Make hex version of the digest */
|
|---|
| 531 | for (i=j=0; i<self->digestsize; i++) {
|
|---|
| 532 | char c;
|
|---|
| 533 | c = (digest[i] >> 4) & 0xf;
|
|---|
| 534 | c = (c>9) ? c+'a'-10 : c + '0';
|
|---|
| 535 | hex_digest[j++] = c;
|
|---|
| 536 | c = (digest[i] & 0xf);
|
|---|
| 537 | c = (c>9) ? c+'a'-10 : c + '0';
|
|---|
| 538 | hex_digest[j++] = c;
|
|---|
| 539 | }
|
|---|
| 540 | return retval;
|
|---|
| 541 | }
|
|---|
| 542 |
|
|---|
| 543 | PyDoc_STRVAR(SHA512_update__doc__,
|
|---|
| 544 | "Update this hash object's state with the provided string.");
|
|---|
| 545 |
|
|---|
| 546 | static PyObject *
|
|---|
| 547 | SHA512_update(SHAobject *self, PyObject *args)
|
|---|
| 548 | {
|
|---|
| 549 | unsigned char *cp;
|
|---|
| 550 | int len;
|
|---|
| 551 |
|
|---|
| 552 | if (!PyArg_ParseTuple(args, "s#:update", &cp, &len))
|
|---|
| 553 | return NULL;
|
|---|
| 554 |
|
|---|
| 555 | sha512_update(self, cp, len);
|
|---|
| 556 |
|
|---|
| 557 | Py_INCREF(Py_None);
|
|---|
| 558 | return Py_None;
|
|---|
| 559 | }
|
|---|
| 560 |
|
|---|
| 561 | static PyMethodDef SHA_methods[] = {
|
|---|
| 562 | {"copy", (PyCFunction)SHA512_copy, METH_NOARGS, SHA512_copy__doc__},
|
|---|
| 563 | {"digest", (PyCFunction)SHA512_digest, METH_NOARGS, SHA512_digest__doc__},
|
|---|
| 564 | {"hexdigest", (PyCFunction)SHA512_hexdigest, METH_NOARGS, SHA512_hexdigest__doc__},
|
|---|
| 565 | {"update", (PyCFunction)SHA512_update, METH_VARARGS, SHA512_update__doc__},
|
|---|
| 566 | {NULL, NULL} /* sentinel */
|
|---|
| 567 | };
|
|---|
| 568 |
|
|---|
| 569 | static PyObject *
|
|---|
| 570 | SHA512_get_block_size(PyObject *self, void *closure)
|
|---|
| 571 | {
|
|---|
| 572 | return PyInt_FromLong(SHA_BLOCKSIZE);
|
|---|
| 573 | }
|
|---|
| 574 |
|
|---|
| 575 | static PyObject *
|
|---|
| 576 | SHA512_get_name(PyObject *self, void *closure)
|
|---|
| 577 | {
|
|---|
| 578 | if (((SHAobject *)self)->digestsize == 64)
|
|---|
| 579 | return PyString_FromStringAndSize("SHA512", 6);
|
|---|
| 580 | else
|
|---|
| 581 | return PyString_FromStringAndSize("SHA384", 6);
|
|---|
| 582 | }
|
|---|
| 583 |
|
|---|
| 584 | static PyGetSetDef SHA_getseters[] = {
|
|---|
| 585 | {"block_size",
|
|---|
| 586 | (getter)SHA512_get_block_size, NULL,
|
|---|
| 587 | NULL,
|
|---|
| 588 | NULL},
|
|---|
| 589 | {"name",
|
|---|
| 590 | (getter)SHA512_get_name, NULL,
|
|---|
| 591 | NULL,
|
|---|
| 592 | NULL},
|
|---|
| 593 | {NULL} /* Sentinel */
|
|---|
| 594 | };
|
|---|
| 595 |
|
|---|
| 596 | static PyMemberDef SHA_members[] = {
|
|---|
| 597 | {"digest_size", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL},
|
|---|
| 598 | /* the old md5 and sha modules support 'digest_size' as in PEP 247.
|
|---|
| 599 | * the old sha module also supported 'digestsize'. ugh. */
|
|---|
| 600 | {"digestsize", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL},
|
|---|
| 601 | {NULL} /* Sentinel */
|
|---|
| 602 | };
|
|---|
| 603 |
|
|---|
| 604 | static PyTypeObject SHA384type = {
|
|---|
| 605 | PyObject_HEAD_INIT(NULL)
|
|---|
| 606 | 0, /*ob_size*/
|
|---|
| 607 | "_sha512.sha384", /*tp_name*/
|
|---|
| 608 | sizeof(SHAobject), /*tp_size*/
|
|---|
| 609 | 0, /*tp_itemsize*/
|
|---|
| 610 | /* methods */
|
|---|
| 611 | SHA512_dealloc, /*tp_dealloc*/
|
|---|
| 612 | 0, /*tp_print*/
|
|---|
| 613 | 0, /*tp_getattr*/
|
|---|
| 614 | 0, /*tp_setattr*/
|
|---|
| 615 | 0, /*tp_compare*/
|
|---|
| 616 | 0, /*tp_repr*/
|
|---|
| 617 | 0, /*tp_as_number*/
|
|---|
| 618 | 0, /*tp_as_sequence*/
|
|---|
| 619 | 0, /*tp_as_mapping*/
|
|---|
| 620 | 0, /*tp_hash*/
|
|---|
| 621 | 0, /*tp_call*/
|
|---|
| 622 | 0, /*tp_str*/
|
|---|
| 623 | 0, /*tp_getattro*/
|
|---|
| 624 | 0, /*tp_setattro*/
|
|---|
| 625 | 0, /*tp_as_buffer*/
|
|---|
| 626 | Py_TPFLAGS_DEFAULT, /*tp_flags*/
|
|---|
| 627 | 0, /*tp_doc*/
|
|---|
| 628 | 0, /*tp_traverse*/
|
|---|
| 629 | 0, /*tp_clear*/
|
|---|
| 630 | 0, /*tp_richcompare*/
|
|---|
| 631 | 0, /*tp_weaklistoffset*/
|
|---|
| 632 | 0, /*tp_iter*/
|
|---|
| 633 | 0, /*tp_iternext*/
|
|---|
| 634 | SHA_methods, /* tp_methods */
|
|---|
| 635 | SHA_members, /* tp_members */
|
|---|
| 636 | SHA_getseters, /* tp_getset */
|
|---|
| 637 | };
|
|---|
| 638 |
|
|---|
| 639 | static PyTypeObject SHA512type = {
|
|---|
| 640 | PyObject_HEAD_INIT(NULL)
|
|---|
| 641 | 0, /*ob_size*/
|
|---|
| 642 | "_sha512.sha512", /*tp_name*/
|
|---|
| 643 | sizeof(SHAobject), /*tp_size*/
|
|---|
| 644 | 0, /*tp_itemsize*/
|
|---|
| 645 | /* methods */
|
|---|
| 646 | SHA512_dealloc, /*tp_dealloc*/
|
|---|
| 647 | 0, /*tp_print*/
|
|---|
| 648 | 0, /*tp_getattr*/
|
|---|
| 649 | 0, /*tp_setattr*/
|
|---|
| 650 | 0, /*tp_compare*/
|
|---|
| 651 | 0, /*tp_repr*/
|
|---|
| 652 | 0, /*tp_as_number*/
|
|---|
| 653 | 0, /*tp_as_sequence*/
|
|---|
| 654 | 0, /*tp_as_mapping*/
|
|---|
| 655 | 0, /*tp_hash*/
|
|---|
| 656 | 0, /*tp_call*/
|
|---|
| 657 | 0, /*tp_str*/
|
|---|
| 658 | 0, /*tp_getattro*/
|
|---|
| 659 | 0, /*tp_setattro*/
|
|---|
| 660 | 0, /*tp_as_buffer*/
|
|---|
| 661 | Py_TPFLAGS_DEFAULT, /*tp_flags*/
|
|---|
| 662 | 0, /*tp_doc*/
|
|---|
| 663 | 0, /*tp_traverse*/
|
|---|
| 664 | 0, /*tp_clear*/
|
|---|
| 665 | 0, /*tp_richcompare*/
|
|---|
| 666 | 0, /*tp_weaklistoffset*/
|
|---|
| 667 | 0, /*tp_iter*/
|
|---|
| 668 | 0, /*tp_iternext*/
|
|---|
| 669 | SHA_methods, /* tp_methods */
|
|---|
| 670 | SHA_members, /* tp_members */
|
|---|
| 671 | SHA_getseters, /* tp_getset */
|
|---|
| 672 | };
|
|---|
| 673 |
|
|---|
| 674 |
|
|---|
| 675 | /* The single module-level function: new() */
|
|---|
| 676 |
|
|---|
| 677 | PyDoc_STRVAR(SHA512_new__doc__,
|
|---|
| 678 | "Return a new SHA-512 hash object; optionally initialized with a string.");
|
|---|
| 679 |
|
|---|
| 680 | static PyObject *
|
|---|
| 681 | SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict)
|
|---|
| 682 | {
|
|---|
| 683 | static char *kwlist[] = {"string", NULL};
|
|---|
| 684 | SHAobject *new;
|
|---|
| 685 | unsigned char *cp = NULL;
|
|---|
| 686 | int len;
|
|---|
| 687 |
|
|---|
| 688 | if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s#:new", kwlist,
|
|---|
| 689 | &cp, &len)) {
|
|---|
| 690 | return NULL;
|
|---|
| 691 | }
|
|---|
| 692 |
|
|---|
| 693 | if ((new = newSHA512object()) == NULL)
|
|---|
| 694 | return NULL;
|
|---|
| 695 |
|
|---|
| 696 | sha512_init(new);
|
|---|
| 697 |
|
|---|
| 698 | if (PyErr_Occurred()) {
|
|---|
| 699 | Py_DECREF(new);
|
|---|
| 700 | return NULL;
|
|---|
| 701 | }
|
|---|
| 702 | if (cp)
|
|---|
| 703 | sha512_update(new, cp, len);
|
|---|
| 704 |
|
|---|
| 705 | return (PyObject *)new;
|
|---|
| 706 | }
|
|---|
| 707 |
|
|---|
| 708 | PyDoc_STRVAR(SHA384_new__doc__,
|
|---|
| 709 | "Return a new SHA-384 hash object; optionally initialized with a string.");
|
|---|
| 710 |
|
|---|
| 711 | static PyObject *
|
|---|
| 712 | SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict)
|
|---|
| 713 | {
|
|---|
| 714 | static char *kwlist[] = {"string", NULL};
|
|---|
| 715 | SHAobject *new;
|
|---|
| 716 | unsigned char *cp = NULL;
|
|---|
| 717 | int len;
|
|---|
| 718 |
|
|---|
| 719 | if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s#:new", kwlist,
|
|---|
| 720 | &cp, &len)) {
|
|---|
| 721 | return NULL;
|
|---|
| 722 | }
|
|---|
| 723 |
|
|---|
| 724 | if ((new = newSHA384object()) == NULL)
|
|---|
| 725 | return NULL;
|
|---|
| 726 |
|
|---|
| 727 | sha384_init(new);
|
|---|
| 728 |
|
|---|
| 729 | if (PyErr_Occurred()) {
|
|---|
| 730 | Py_DECREF(new);
|
|---|
| 731 | return NULL;
|
|---|
| 732 | }
|
|---|
| 733 | if (cp)
|
|---|
| 734 | sha512_update(new, cp, len);
|
|---|
| 735 |
|
|---|
| 736 | return (PyObject *)new;
|
|---|
| 737 | }
|
|---|
| 738 |
|
|---|
| 739 |
|
|---|
| 740 | /* List of functions exported by this module */
|
|---|
| 741 |
|
|---|
| 742 | static struct PyMethodDef SHA_functions[] = {
|
|---|
| 743 | {"sha512", (PyCFunction)SHA512_new, METH_VARARGS|METH_KEYWORDS, SHA512_new__doc__},
|
|---|
| 744 | {"sha384", (PyCFunction)SHA384_new, METH_VARARGS|METH_KEYWORDS, SHA384_new__doc__},
|
|---|
| 745 | {NULL, NULL} /* Sentinel */
|
|---|
| 746 | };
|
|---|
| 747 |
|
|---|
| 748 |
|
|---|
| 749 | /* Initialize this module. */
|
|---|
| 750 |
|
|---|
| 751 | #define insint(n,v) { PyModule_AddIntConstant(m,n,v); }
|
|---|
| 752 |
|
|---|
| 753 | PyMODINIT_FUNC
|
|---|
| 754 | init_sha512(void)
|
|---|
| 755 | {
|
|---|
| 756 | PyObject *m;
|
|---|
| 757 |
|
|---|
| 758 | SHA384type.ob_type = &PyType_Type;
|
|---|
| 759 | if (PyType_Ready(&SHA384type) < 0)
|
|---|
| 760 | return;
|
|---|
| 761 | SHA512type.ob_type = &PyType_Type;
|
|---|
| 762 | if (PyType_Ready(&SHA512type) < 0)
|
|---|
| 763 | return;
|
|---|
| 764 | m = Py_InitModule("_sha512", SHA_functions);
|
|---|
| 765 | if (m == NULL)
|
|---|
| 766 | return;
|
|---|
| 767 | }
|
|---|
| 768 |
|
|---|
| 769 | #endif
|
|---|
