From: "Federico G. Benavento" <benavento@gmail.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] 8c "out of fixed registers"
Date: Mon, 19 Nov 2007 15:13:30 -0300 [thread overview]
Message-ID: <74ab399c1fd084385dfa244c07e4feae@yourdomain.dom> (raw)
In-Reply-To: <d89c8a7db4cdae5651a1384daea3dbf8@terzarima.net>
[-- Attachment #1: Type: text/plain, Size: 147 bytes --]
hola,
attached is the offending file
thanks
Federico G. Benavento
---
/bin/fortune:
Please log off, the computer is out to lunch.
[-- Attachment #2: Type: message/rfc822, Size: 3157 bytes --]
From: Charles Forsyth <forsyth@terzarima.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] 8c "out of fixed registers"
Date: Mon, 19 Nov 2007 18:14:53 +0000
Message-ID: <d89c8a7db4cdae5651a1384daea3dbf8@terzarima.net>
>does the function that causes 8c to quit declare a large
>number of "register int" variables?
it ignores you, and works that out itself.
usually the troublesome expression really does use
so many registers it needs to spill to memory, but doesn't.
[-- Attachment #3: sha512module.c --]
[-- Type: text/plain, Size: 28921 bytes --]
/* 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@electricrain.com)
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; i<self->digestsize; 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 = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"_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 = {
PyObject_HEAD_INIT(NULL)
0, /*ob_size*/
"_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;
SHA384type.ob_type = &PyType_Type;
if (PyType_Ready(&SHA384type) < 0)
return;
SHA512type.ob_type = &PyType_Type;
if (PyType_Ready(&SHA512type) < 0)
return;
m = Py_InitModule("_sha512", SHA_functions);
if (m == NULL)
return;
}
#endif
next prev parent reply other threads:[~2007-11-19 18:13 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-19 4:12 Federico G. Benavento
2007-11-19 9:32 ` [9fans] Fwd: " Federico Benavento
2007-11-19 17:45 ` [9fans] " erik quanstrom
2007-11-19 18:14 ` Charles Forsyth
2007-11-19 18:13 ` Federico G. Benavento [this message]
2007-11-19 18:37 ` Charles Forsyth
2007-11-19 18:48 ` Robert William Fuller
2007-11-19 19:14 ` Charles Forsyth
2007-11-19 19:21 ` Charles Forsyth
2007-11-19 20:38 ` Uriel
2007-11-19 21:08 ` Iruata Souza
2007-11-20 0:20 ` dave.l
2007-11-20 3:54 ` Bruce Ellis
2007-11-20 15:28 ` Iruata Souza
2007-11-20 16:39 ` David Leimbach
2007-11-20 16:48 ` Iruata Souza
2007-11-20 17:05 ` David Leimbach
2007-11-20 17:29 ` Anthony Sorace
2007-11-22 10:17 ` Douglas A. Gwyn
2007-11-22 12:24 ` erik quanstrom
2007-11-20 22:58 ` dave.l
2007-11-21 1:11 ` Iruata Souza
2007-11-20 22:58 ` dave.l
2007-11-21 16:15 ` Uriel
2007-11-26 10:30 ` Douglas A. Gwyn
2007-11-19 22:05 ` erik quanstrom
2007-11-19 20:00 ` Bruce Ellis
2007-11-19 22:18 ` Charles Forsyth
2007-11-19 18:18 ` Charles Forsyth
2007-11-19 18:32 ` Federico G. Benavento
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