diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Modules/sha512module.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Modules/sha512module.c Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,767 @@ +/* SHA512 module */ + +/* This module provides an interface to NIST's SHA-512 and SHA-384 Algorithms */ + +/* See below for information about the original code this module was + based upon. Additional work performed by: + + Andrew Kuchling (amk@amk.ca) + Greg Stein (gstein@lyra.org) + Trevor Perrin (trevp@trevp.net) + + Copyright (C) 2005 Gregory P. Smith (greg@krypto.org) + Licensed to PSF under a Contributor Agreement. + +*/ + +/* SHA objects */ + +#include "Python.h" +#include "structmember.h" + +#ifdef PY_LONG_LONG /* If no PY_LONG_LONG, don't compile anything! */ + +/* Endianness testing and definitions */ +#define TestEndianness(variable) {int i=1; variable=PCT_BIG_ENDIAN;\ + if (*((char*)&i)==1) variable=PCT_LITTLE_ENDIAN;} + +#define PCT_LITTLE_ENDIAN 1 +#define PCT_BIG_ENDIAN 0 + +/* Some useful types */ + +typedef unsigned char SHA_BYTE; + +#if SIZEOF_INT == 4 +typedef unsigned int SHA_INT32; /* 32-bit integer */ +typedef unsigned PY_LONG_LONG SHA_INT64; /* 64-bit integer */ +#else +/* not defined. compilation will die. */ +#endif + +/* The SHA block size and message digest sizes, in bytes */ + +#define SHA_BLOCKSIZE 128 +#define SHA_DIGESTSIZE 64 + +/* The structure for storing SHA info */ + +typedef struct { + PyObject_HEAD + SHA_INT64 digest[8]; /* Message digest */ + SHA_INT32 count_lo, count_hi; /* 64-bit bit count */ + SHA_BYTE data[SHA_BLOCKSIZE]; /* SHA data buffer */ + int Endianness; + int local; /* unprocessed amount in data */ + int digestsize; +} SHAobject; + +/* When run on a little-endian CPU we need to perform byte reversal on an + array of longwords. */ + +static void longReverse(SHA_INT64 *buffer, int byteCount, int Endianness) +{ + SHA_INT64 value; + + if ( Endianness == PCT_BIG_ENDIAN ) + return; + + byteCount /= sizeof(*buffer); + while (byteCount--) { + value = *buffer; + + ((unsigned char*)buffer)[0] = (unsigned char)(value >> 56) & 0xff; + ((unsigned char*)buffer)[1] = (unsigned char)(value >> 48) & 0xff; + ((unsigned char*)buffer)[2] = (unsigned char)(value >> 40) & 0xff; + ((unsigned char*)buffer)[3] = (unsigned char)(value >> 32) & 0xff; + ((unsigned char*)buffer)[4] = (unsigned char)(value >> 24) & 0xff; + ((unsigned char*)buffer)[5] = (unsigned char)(value >> 16) & 0xff; + ((unsigned char*)buffer)[6] = (unsigned char)(value >> 8) & 0xff; + ((unsigned char*)buffer)[7] = (unsigned char)(value ) & 0xff; + + buffer++; + } +} + +static void SHAcopy(SHAobject *src, SHAobject *dest) +{ + dest->Endianness = src->Endianness; + dest->local = src->local; + dest->digestsize = src->digestsize; + dest->count_lo = src->count_lo; + dest->count_hi = src->count_hi; + memcpy(dest->digest, src->digest, sizeof(src->digest)); + memcpy(dest->data, src->data, sizeof(src->data)); +} + + +/* ------------------------------------------------------------------------ + * + * This code for the SHA-512 algorithm was noted as public domain. The + * original headers are pasted below. + * + * Several changes have been made to make it more compatible with the + * Python environment and desired interface. + * + */ + +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * gurantee it works. + * + * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org + */ + + +/* SHA512 by Tom St Denis */ + +/* Various logical functions */ +#define ROR64(x, y) \ + ( ((((x) & Py_ULL(0xFFFFFFFFFFFFFFFF))>>((unsigned PY_LONG_LONG)(y) & 63)) | \ + ((x)<<((unsigned PY_LONG_LONG)(64-((y) & 63))))) & Py_ULL(0xFFFFFFFFFFFFFFFF)) +#define Ch(x,y,z) (z ^ (x & (y ^ z))) +#define Maj(x,y,z) (((x | y) & z) | (x & y)) +#define S(x, n) ROR64((x),(n)) +#define R(x, n) (((x) & Py_ULL(0xFFFFFFFFFFFFFFFF)) >> ((unsigned PY_LONG_LONG)n)) +#define Sigma0(x) (S(x, 28) ^ S(x, 34) ^ S(x, 39)) +#define Sigma1(x) (S(x, 14) ^ S(x, 18) ^ S(x, 41)) +#define Gamma0(x) (S(x, 1) ^ S(x, 8) ^ R(x, 7)) +#define Gamma1(x) (S(x, 19) ^ S(x, 61) ^ R(x, 6)) + + +static void +sha512_transform(SHAobject *sha_info) +{ + int i; + SHA_INT64 S[8], W[80], t0, t1; + + memcpy(W, sha_info->data, sizeof(sha_info->data)); + longReverse(W, (int)sizeof(sha_info->data), sha_info->Endianness); + + for (i = 16; i < 80; ++i) { + W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16]; + } + for (i = 0; i < 8; ++i) { + S[i] = sha_info->digest[i]; + } + + /* Compress */ +#define RND(a,b,c,d,e,f,g,h,i,ki) \ + t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \ + t1 = Sigma0(a) + Maj(a, b, c); \ + d += t0; \ + h = t0 + t1; + + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,Py_ULL(0x428a2f98d728ae22)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,Py_ULL(0x7137449123ef65cd)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,Py_ULL(0xb5c0fbcfec4d3b2f)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,Py_ULL(0xe9b5dba58189dbbc)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,Py_ULL(0x3956c25bf348b538)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,Py_ULL(0x59f111f1b605d019)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,Py_ULL(0x923f82a4af194f9b)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,Py_ULL(0xab1c5ed5da6d8118)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,Py_ULL(0xd807aa98a3030242)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,Py_ULL(0x12835b0145706fbe)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,Py_ULL(0x243185be4ee4b28c)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,Py_ULL(0x550c7dc3d5ffb4e2)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,Py_ULL(0x72be5d74f27b896f)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,Py_ULL(0x80deb1fe3b1696b1)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,Py_ULL(0x9bdc06a725c71235)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,Py_ULL(0xc19bf174cf692694)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,Py_ULL(0xe49b69c19ef14ad2)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,Py_ULL(0xefbe4786384f25e3)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,Py_ULL(0x0fc19dc68b8cd5b5)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,Py_ULL(0x240ca1cc77ac9c65)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,Py_ULL(0x2de92c6f592b0275)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,Py_ULL(0x4a7484aa6ea6e483)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,Py_ULL(0x5cb0a9dcbd41fbd4)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,Py_ULL(0x76f988da831153b5)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,Py_ULL(0x983e5152ee66dfab)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,Py_ULL(0xa831c66d2db43210)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,Py_ULL(0xb00327c898fb213f)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,Py_ULL(0xbf597fc7beef0ee4)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,Py_ULL(0xc6e00bf33da88fc2)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,Py_ULL(0xd5a79147930aa725)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,Py_ULL(0x06ca6351e003826f)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,Py_ULL(0x142929670a0e6e70)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,Py_ULL(0x27b70a8546d22ffc)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,Py_ULL(0x2e1b21385c26c926)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,Py_ULL(0x4d2c6dfc5ac42aed)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,Py_ULL(0x53380d139d95b3df)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,Py_ULL(0x650a73548baf63de)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,Py_ULL(0x766a0abb3c77b2a8)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,Py_ULL(0x81c2c92e47edaee6)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,Py_ULL(0x92722c851482353b)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,Py_ULL(0xa2bfe8a14cf10364)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,Py_ULL(0xa81a664bbc423001)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,Py_ULL(0xc24b8b70d0f89791)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,Py_ULL(0xc76c51a30654be30)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,Py_ULL(0xd192e819d6ef5218)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,Py_ULL(0xd69906245565a910)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,Py_ULL(0xf40e35855771202a)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,Py_ULL(0x106aa07032bbd1b8)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,Py_ULL(0x19a4c116b8d2d0c8)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,Py_ULL(0x1e376c085141ab53)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,Py_ULL(0x2748774cdf8eeb99)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,Py_ULL(0x34b0bcb5e19b48a8)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,Py_ULL(0x391c0cb3c5c95a63)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,Py_ULL(0x4ed8aa4ae3418acb)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,Py_ULL(0x5b9cca4f7763e373)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,Py_ULL(0x682e6ff3d6b2b8a3)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,Py_ULL(0x748f82ee5defb2fc)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,Py_ULL(0x78a5636f43172f60)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,Py_ULL(0x84c87814a1f0ab72)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,Py_ULL(0x8cc702081a6439ec)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,Py_ULL(0x90befffa23631e28)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,Py_ULL(0xa4506cebde82bde9)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,Py_ULL(0xbef9a3f7b2c67915)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,Py_ULL(0xc67178f2e372532b)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],64,Py_ULL(0xca273eceea26619c)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],65,Py_ULL(0xd186b8c721c0c207)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],66,Py_ULL(0xeada7dd6cde0eb1e)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],67,Py_ULL(0xf57d4f7fee6ed178)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],68,Py_ULL(0x06f067aa72176fba)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],69,Py_ULL(0x0a637dc5a2c898a6)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],70,Py_ULL(0x113f9804bef90dae)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],71,Py_ULL(0x1b710b35131c471b)); + RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],72,Py_ULL(0x28db77f523047d84)); + RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],73,Py_ULL(0x32caab7b40c72493)); + RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],74,Py_ULL(0x3c9ebe0a15c9bebc)); + RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],75,Py_ULL(0x431d67c49c100d4c)); + RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],76,Py_ULL(0x4cc5d4becb3e42b6)); + RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],77,Py_ULL(0x597f299cfc657e2a)); + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],78,Py_ULL(0x5fcb6fab3ad6faec)); + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],79,Py_ULL(0x6c44198c4a475817)); + +#undef RND + + /* feedback */ + for (i = 0; i < 8; i++) { + sha_info->digest[i] = sha_info->digest[i] + S[i]; + } + +} + + + +/* initialize the SHA digest */ + +static void +sha512_init(SHAobject *sha_info) +{ + TestEndianness(sha_info->Endianness) + sha_info->digest[0] = Py_ULL(0x6a09e667f3bcc908); + sha_info->digest[1] = Py_ULL(0xbb67ae8584caa73b); + sha_info->digest[2] = Py_ULL(0x3c6ef372fe94f82b); + sha_info->digest[3] = Py_ULL(0xa54ff53a5f1d36f1); + sha_info->digest[4] = Py_ULL(0x510e527fade682d1); + sha_info->digest[5] = Py_ULL(0x9b05688c2b3e6c1f); + sha_info->digest[6] = Py_ULL(0x1f83d9abfb41bd6b); + sha_info->digest[7] = Py_ULL(0x5be0cd19137e2179); + sha_info->count_lo = 0L; + sha_info->count_hi = 0L; + sha_info->local = 0; + sha_info->digestsize = 64; +} + +static void +sha384_init(SHAobject *sha_info) +{ + TestEndianness(sha_info->Endianness) + sha_info->digest[0] = Py_ULL(0xcbbb9d5dc1059ed8); + sha_info->digest[1] = Py_ULL(0x629a292a367cd507); + sha_info->digest[2] = Py_ULL(0x9159015a3070dd17); + sha_info->digest[3] = Py_ULL(0x152fecd8f70e5939); + sha_info->digest[4] = Py_ULL(0x67332667ffc00b31); + sha_info->digest[5] = Py_ULL(0x8eb44a8768581511); + sha_info->digest[6] = Py_ULL(0xdb0c2e0d64f98fa7); + sha_info->digest[7] = Py_ULL(0x47b5481dbefa4fa4); + sha_info->count_lo = 0L; + sha_info->count_hi = 0L; + sha_info->local = 0; + sha_info->digestsize = 48; +} + + +/* update the SHA digest */ + +static void +sha512_update(SHAobject *sha_info, SHA_BYTE *buffer, int count) +{ + int i; + SHA_INT32 clo; + + clo = sha_info->count_lo + ((SHA_INT32) count << 3); + if (clo < sha_info->count_lo) { + ++sha_info->count_hi; + } + sha_info->count_lo = clo; + sha_info->count_hi += (SHA_INT32) count >> 29; + if (sha_info->local) { + i = SHA_BLOCKSIZE - sha_info->local; + if (i > count) { + i = count; + } + memcpy(((SHA_BYTE *) sha_info->data) + sha_info->local, buffer, i); + count -= i; + buffer += i; + sha_info->local += i; + if (sha_info->local == SHA_BLOCKSIZE) { + sha512_transform(sha_info); + } + else { + return; + } + } + while (count >= SHA_BLOCKSIZE) { + memcpy(sha_info->data, buffer, SHA_BLOCKSIZE); + buffer += SHA_BLOCKSIZE; + count -= SHA_BLOCKSIZE; + sha512_transform(sha_info); + } + memcpy(sha_info->data, buffer, count); + sha_info->local = count; +} + +/* finish computing the SHA digest */ + +static void +sha512_final(unsigned char digest[SHA_DIGESTSIZE], SHAobject *sha_info) +{ + int count; + SHA_INT32 lo_bit_count, hi_bit_count; + + lo_bit_count = sha_info->count_lo; + hi_bit_count = sha_info->count_hi; + count = (int) ((lo_bit_count >> 3) & 0x7f); + ((SHA_BYTE *) sha_info->data)[count++] = 0x80; + if (count > SHA_BLOCKSIZE - 16) { + memset(((SHA_BYTE *) sha_info->data) + count, 0, + SHA_BLOCKSIZE - count); + sha512_transform(sha_info); + memset((SHA_BYTE *) sha_info->data, 0, SHA_BLOCKSIZE - 16); + } + else { + memset(((SHA_BYTE *) sha_info->data) + count, 0, + SHA_BLOCKSIZE - 16 - count); + } + + /* GJS: note that we add the hi/lo in big-endian. sha512_transform will + swap these values into host-order. */ + sha_info->data[112] = 0; + sha_info->data[113] = 0; + sha_info->data[114] = 0; + sha_info->data[115] = 0; + sha_info->data[116] = 0; + sha_info->data[117] = 0; + sha_info->data[118] = 0; + sha_info->data[119] = 0; + sha_info->data[120] = (hi_bit_count >> 24) & 0xff; + sha_info->data[121] = (hi_bit_count >> 16) & 0xff; + sha_info->data[122] = (hi_bit_count >> 8) & 0xff; + sha_info->data[123] = (hi_bit_count >> 0) & 0xff; + sha_info->data[124] = (lo_bit_count >> 24) & 0xff; + sha_info->data[125] = (lo_bit_count >> 16) & 0xff; + sha_info->data[126] = (lo_bit_count >> 8) & 0xff; + sha_info->data[127] = (lo_bit_count >> 0) & 0xff; + sha512_transform(sha_info); + digest[ 0] = (unsigned char) ((sha_info->digest[0] >> 56) & 0xff); + digest[ 1] = (unsigned char) ((sha_info->digest[0] >> 48) & 0xff); + digest[ 2] = (unsigned char) ((sha_info->digest[0] >> 40) & 0xff); + digest[ 3] = (unsigned char) ((sha_info->digest[0] >> 32) & 0xff); + digest[ 4] = (unsigned char) ((sha_info->digest[0] >> 24) & 0xff); + digest[ 5] = (unsigned char) ((sha_info->digest[0] >> 16) & 0xff); + digest[ 6] = (unsigned char) ((sha_info->digest[0] >> 8) & 0xff); + digest[ 7] = (unsigned char) ((sha_info->digest[0] ) & 0xff); + digest[ 8] = (unsigned char) ((sha_info->digest[1] >> 56) & 0xff); + digest[ 9] = (unsigned char) ((sha_info->digest[1] >> 48) & 0xff); + digest[10] = (unsigned char) ((sha_info->digest[1] >> 40) & 0xff); + digest[11] = (unsigned char) ((sha_info->digest[1] >> 32) & 0xff); + digest[12] = (unsigned char) ((sha_info->digest[1] >> 24) & 0xff); + digest[13] = (unsigned char) ((sha_info->digest[1] >> 16) & 0xff); + digest[14] = (unsigned char) ((sha_info->digest[1] >> 8) & 0xff); + digest[15] = (unsigned char) ((sha_info->digest[1] ) & 0xff); + digest[16] = (unsigned char) ((sha_info->digest[2] >> 56) & 0xff); + digest[17] = (unsigned char) ((sha_info->digest[2] >> 48) & 0xff); + digest[18] = (unsigned char) ((sha_info->digest[2] >> 40) & 0xff); + digest[19] = (unsigned char) ((sha_info->digest[2] >> 32) & 0xff); + digest[20] = (unsigned char) ((sha_info->digest[2] >> 24) & 0xff); + digest[21] = (unsigned char) ((sha_info->digest[2] >> 16) & 0xff); + digest[22] = (unsigned char) ((sha_info->digest[2] >> 8) & 0xff); + digest[23] = (unsigned char) ((sha_info->digest[2] ) & 0xff); + digest[24] = (unsigned char) ((sha_info->digest[3] >> 56) & 0xff); + digest[25] = (unsigned char) ((sha_info->digest[3] >> 48) & 0xff); + digest[26] = (unsigned char) ((sha_info->digest[3] >> 40) & 0xff); + digest[27] = (unsigned char) ((sha_info->digest[3] >> 32) & 0xff); + digest[28] = (unsigned char) ((sha_info->digest[3] >> 24) & 0xff); + digest[29] = (unsigned char) ((sha_info->digest[3] >> 16) & 0xff); + digest[30] = (unsigned char) ((sha_info->digest[3] >> 8) & 0xff); + digest[31] = (unsigned char) ((sha_info->digest[3] ) & 0xff); + digest[32] = (unsigned char) ((sha_info->digest[4] >> 56) & 0xff); + digest[33] = (unsigned char) ((sha_info->digest[4] >> 48) & 0xff); + digest[34] = (unsigned char) ((sha_info->digest[4] >> 40) & 0xff); + digest[35] = (unsigned char) ((sha_info->digest[4] >> 32) & 0xff); + digest[36] = (unsigned char) ((sha_info->digest[4] >> 24) & 0xff); + digest[37] = (unsigned char) ((sha_info->digest[4] >> 16) & 0xff); + digest[38] = (unsigned char) ((sha_info->digest[4] >> 8) & 0xff); + digest[39] = (unsigned char) ((sha_info->digest[4] ) & 0xff); + digest[40] = (unsigned char) ((sha_info->digest[5] >> 56) & 0xff); + digest[41] = (unsigned char) ((sha_info->digest[5] >> 48) & 0xff); + digest[42] = (unsigned char) ((sha_info->digest[5] >> 40) & 0xff); + digest[43] = (unsigned char) ((sha_info->digest[5] >> 32) & 0xff); + digest[44] = (unsigned char) ((sha_info->digest[5] >> 24) & 0xff); + digest[45] = (unsigned char) ((sha_info->digest[5] >> 16) & 0xff); + digest[46] = (unsigned char) ((sha_info->digest[5] >> 8) & 0xff); + digest[47] = (unsigned char) ((sha_info->digest[5] ) & 0xff); + digest[48] = (unsigned char) ((sha_info->digest[6] >> 56) & 0xff); + digest[49] = (unsigned char) ((sha_info->digest[6] >> 48) & 0xff); + digest[50] = (unsigned char) ((sha_info->digest[6] >> 40) & 0xff); + digest[51] = (unsigned char) ((sha_info->digest[6] >> 32) & 0xff); + digest[52] = (unsigned char) ((sha_info->digest[6] >> 24) & 0xff); + digest[53] = (unsigned char) ((sha_info->digest[6] >> 16) & 0xff); + digest[54] = (unsigned char) ((sha_info->digest[6] >> 8) & 0xff); + digest[55] = (unsigned char) ((sha_info->digest[6] ) & 0xff); + digest[56] = (unsigned char) ((sha_info->digest[7] >> 56) & 0xff); + digest[57] = (unsigned char) ((sha_info->digest[7] >> 48) & 0xff); + digest[58] = (unsigned char) ((sha_info->digest[7] >> 40) & 0xff); + digest[59] = (unsigned char) ((sha_info->digest[7] >> 32) & 0xff); + digest[60] = (unsigned char) ((sha_info->digest[7] >> 24) & 0xff); + digest[61] = (unsigned char) ((sha_info->digest[7] >> 16) & 0xff); + digest[62] = (unsigned char) ((sha_info->digest[7] >> 8) & 0xff); + digest[63] = (unsigned char) ((sha_info->digest[7] ) & 0xff); +} + +/* + * End of copied SHA code. + * + * ------------------------------------------------------------------------ + */ + +static PyTypeObject SHA384type; +static PyTypeObject SHA512type; + + +static SHAobject * +newSHA384object(void) +{ + return (SHAobject *)PyObject_New(SHAobject, &SHA384type); +} + +static SHAobject * +newSHA512object(void) +{ + return (SHAobject *)PyObject_New(SHAobject, &SHA512type); +} + +/* Internal methods for a hash object */ + +static void +SHA512_dealloc(PyObject *ptr) +{ + PyObject_Del(ptr); +} + + +/* External methods for a hash object */ + +PyDoc_STRVAR(SHA512_copy__doc__, "Return a copy of the hash object."); + +static PyObject * +SHA512_copy(SHAobject *self, PyObject *unused) +{ + SHAobject *newobj; + + if (((PyObject*)self)->ob_type == &SHA512type) { + if ( (newobj = newSHA512object())==NULL) + return NULL; + } else { + if ( (newobj = newSHA384object())==NULL) + return NULL; + } + + SHAcopy(self, newobj); + return (PyObject *)newobj; +} + +PyDoc_STRVAR(SHA512_digest__doc__, +"Return the digest value as a string of binary data."); + +static PyObject * +SHA512_digest(SHAobject *self, PyObject *unused) +{ + unsigned char digest[SHA_DIGESTSIZE]; + SHAobject temp; + + SHAcopy(self, &temp); + sha512_final(digest, &temp); + return PyString_FromStringAndSize((const char *)digest, self->digestsize); +} + +PyDoc_STRVAR(SHA512_hexdigest__doc__, +"Return the digest value as a string of hexadecimal digits."); + +static PyObject * +SHA512_hexdigest(SHAobject *self, PyObject *unused) +{ + unsigned char digest[SHA_DIGESTSIZE]; + SHAobject temp; + PyObject *retval; + char *hex_digest; + int i, j; + + /* Get the raw (binary) digest value */ + SHAcopy(self, &temp); + sha512_final(digest, &temp); + + /* Create a new string */ + retval = PyString_FromStringAndSize(NULL, self->digestsize * 2); + if (!retval) + return NULL; + hex_digest = PyString_AsString(retval); + if (!hex_digest) { + Py_DECREF(retval); + return NULL; + } + + /* Make hex version of the digest */ + for (i=j=0; idigestsize; i++) { + char c; + c = (digest[i] >> 4) & 0xf; + c = (c>9) ? c+'a'-10 : c + '0'; + hex_digest[j++] = c; + c = (digest[i] & 0xf); + c = (c>9) ? c+'a'-10 : c + '0'; + hex_digest[j++] = c; + } + return retval; +} + +PyDoc_STRVAR(SHA512_update__doc__, +"Update this hash object's state with the provided string."); + +static PyObject * +SHA512_update(SHAobject *self, PyObject *args) +{ + unsigned char *cp; + int len; + + if (!PyArg_ParseTuple(args, "s#:update", &cp, &len)) + return NULL; + + sha512_update(self, cp, len); + + Py_INCREF(Py_None); + return Py_None; +} + +static PyMethodDef SHA_methods[] = { + {"copy", (PyCFunction)SHA512_copy, METH_NOARGS, SHA512_copy__doc__}, + {"digest", (PyCFunction)SHA512_digest, METH_NOARGS, SHA512_digest__doc__}, + {"hexdigest", (PyCFunction)SHA512_hexdigest, METH_NOARGS, SHA512_hexdigest__doc__}, + {"update", (PyCFunction)SHA512_update, METH_VARARGS, SHA512_update__doc__}, + {NULL, NULL} /* sentinel */ +}; + +static PyObject * +SHA512_get_block_size(PyObject *self, void *closure) +{ + return PyInt_FromLong(SHA_BLOCKSIZE); +} + +static PyObject * +SHA512_get_name(PyObject *self, void *closure) +{ + if (((SHAobject *)self)->digestsize == 64) + return PyString_FromStringAndSize("SHA512", 6); + else + return PyString_FromStringAndSize("SHA384", 6); +} + +static PyGetSetDef SHA_getseters[] = { + {"block_size", + (getter)SHA512_get_block_size, NULL, + NULL, + NULL}, + {"name", + (getter)SHA512_get_name, NULL, + NULL, + NULL}, + {NULL} /* Sentinel */ +}; + +static PyMemberDef SHA_members[] = { + {"digest_size", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL}, + /* the old md5 and sha modules support 'digest_size' as in PEP 247. + * the old sha module also supported 'digestsize'. ugh. */ + {"digestsize", T_INT, offsetof(SHAobject, digestsize), READONLY, NULL}, + {NULL} /* Sentinel */ +}; + +static PyTypeObject SHA384type = { + PyVarObject_HEAD_INIT(NULL, 0) + "_sha512.sha384", /*tp_name*/ + sizeof(SHAobject), /*tp_size*/ + 0, /*tp_itemsize*/ + /* methods */ + SHA512_dealloc, /*tp_dealloc*/ + 0, /*tp_print*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + 0, /*tp_compare*/ + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + SHA_methods, /* tp_methods */ + SHA_members, /* tp_members */ + SHA_getseters, /* tp_getset */ +}; + +static PyTypeObject SHA512type = { + PyVarObject_HEAD_INIT(NULL, 0) + "_sha512.sha512", /*tp_name*/ + sizeof(SHAobject), /*tp_size*/ + 0, /*tp_itemsize*/ + /* methods */ + SHA512_dealloc, /*tp_dealloc*/ + 0, /*tp_print*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + 0, /*tp_compare*/ + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT, /*tp_flags*/ + 0, /*tp_doc*/ + 0, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + SHA_methods, /* tp_methods */ + SHA_members, /* tp_members */ + SHA_getseters, /* tp_getset */ +}; + + +/* The single module-level function: new() */ + +PyDoc_STRVAR(SHA512_new__doc__, +"Return a new SHA-512 hash object; optionally initialized with a string."); + +static PyObject * +SHA512_new(PyObject *self, PyObject *args, PyObject *kwdict) +{ + static char *kwlist[] = {"string", NULL}; + SHAobject *new; + unsigned char *cp = NULL; + int len; + + if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s#:new", kwlist, + &cp, &len)) { + return NULL; + } + + if ((new = newSHA512object()) == NULL) + return NULL; + + sha512_init(new); + + if (PyErr_Occurred()) { + Py_DECREF(new); + return NULL; + } + if (cp) + sha512_update(new, cp, len); + + return (PyObject *)new; +} + +PyDoc_STRVAR(SHA384_new__doc__, +"Return a new SHA-384 hash object; optionally initialized with a string."); + +static PyObject * +SHA384_new(PyObject *self, PyObject *args, PyObject *kwdict) +{ + static char *kwlist[] = {"string", NULL}; + SHAobject *new; + unsigned char *cp = NULL; + int len; + + if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|s#:new", kwlist, + &cp, &len)) { + return NULL; + } + + if ((new = newSHA384object()) == NULL) + return NULL; + + sha384_init(new); + + if (PyErr_Occurred()) { + Py_DECREF(new); + return NULL; + } + if (cp) + sha512_update(new, cp, len); + + return (PyObject *)new; +} + + +/* List of functions exported by this module */ + +static struct PyMethodDef SHA_functions[] = { + {"sha512", (PyCFunction)SHA512_new, METH_VARARGS|METH_KEYWORDS, SHA512_new__doc__}, + {"sha384", (PyCFunction)SHA384_new, METH_VARARGS|METH_KEYWORDS, SHA384_new__doc__}, + {NULL, NULL} /* Sentinel */ +}; + + +/* Initialize this module. */ + +#define insint(n,v) { PyModule_AddIntConstant(m,n,v); } + +PyMODINIT_FUNC +init_sha512(void) +{ + PyObject *m; + + Py_TYPE(&SHA384type) = &PyType_Type; + if (PyType_Ready(&SHA384type) < 0) + return; + Py_TYPE(&SHA512type) = &PyType_Type; + if (PyType_Ready(&SHA512type) < 0) + return; + m = Py_InitModule("_sha512", SHA_functions); + if (m == NULL) + return; +} + +#endif