forked from KolibriOS/kolibrios
initial commit.
git-svn-id: svn://kolibrios.org@8073 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
189
programs/other/TinyHashView/algorithms/md5.c
Normal file
189
programs/other/TinyHashView/algorithms/md5.c
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@@ -0,0 +1,189 @@
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||||
/*********************************************************************
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* Filename: md5.c
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* Author: Brad Conte (brad AT bradconte.com)
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* Copyright:
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* Disclaimer: This code is presented "as is" without any guarantees.
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* Details: Implementation of the MD5 hashing algorithm.
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Algorithm specification can be found here:
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* http://tools.ietf.org/html/rfc1321
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This implementation uses little endian byte order.
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*********************************************************************/
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/*************************** HEADER FILES ***************************/
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#include <stdlib.h>
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#include <string.h>
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#include "md5.h"
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/****************************** MACROS ******************************/
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#define ROTLEFT(a,b) ((a << b) | (a >> (32-b)))
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#define F(x,y,z) ((x & y) | (~x & z))
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#define G(x,y,z) ((x & z) | (y & ~z))
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#define H(x,y,z) (x ^ y ^ z)
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#define I(x,y,z) (y ^ (x | ~z))
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#define FF(a,b,c,d,m,s,t) { a += F(b,c,d) + m + t; \
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a = b + ROTLEFT(a,s); }
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#define GG(a,b,c,d,m,s,t) { a += G(b,c,d) + m + t; \
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a = b + ROTLEFT(a,s); }
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#define HH(a,b,c,d,m,s,t) { a += H(b,c,d) + m + t; \
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a = b + ROTLEFT(a,s); }
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#define II(a,b,c,d,m,s,t) { a += I(b,c,d) + m + t; \
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a = b + ROTLEFT(a,s); }
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/*********************** FUNCTION DEFINITIONS ***********************/
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void md5_transform(MD5_CTX *ctx, const BYTE data[])
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{
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WORD a, b, c, d, m[16], i, j;
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// MD5 specifies big endian byte order, but this implementation assumes a little
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// endian byte order CPU. Reverse all the bytes upon input, and re-reverse them
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// on output (in md5_final()).
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for (i = 0, j = 0; i < 16; ++i, j += 4)
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m[i] = (data[j]) + (data[j + 1] << 8) + (data[j + 2] << 16) + (data[j + 3] << 24);
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a = ctx->state[0];
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b = ctx->state[1];
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c = ctx->state[2];
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d = ctx->state[3];
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FF(a,b,c,d,m[0], 7,0xd76aa478);
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FF(d,a,b,c,m[1], 12,0xe8c7b756);
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FF(c,d,a,b,m[2], 17,0x242070db);
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FF(b,c,d,a,m[3], 22,0xc1bdceee);
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FF(a,b,c,d,m[4], 7,0xf57c0faf);
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FF(d,a,b,c,m[5], 12,0x4787c62a);
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FF(c,d,a,b,m[6], 17,0xa8304613);
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FF(b,c,d,a,m[7], 22,0xfd469501);
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FF(a,b,c,d,m[8], 7,0x698098d8);
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FF(d,a,b,c,m[9], 12,0x8b44f7af);
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FF(c,d,a,b,m[10],17,0xffff5bb1);
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FF(b,c,d,a,m[11],22,0x895cd7be);
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FF(a,b,c,d,m[12], 7,0x6b901122);
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FF(d,a,b,c,m[13],12,0xfd987193);
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FF(c,d,a,b,m[14],17,0xa679438e);
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FF(b,c,d,a,m[15],22,0x49b40821);
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GG(a,b,c,d,m[1], 5,0xf61e2562);
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GG(d,a,b,c,m[6], 9,0xc040b340);
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GG(c,d,a,b,m[11],14,0x265e5a51);
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GG(b,c,d,a,m[0], 20,0xe9b6c7aa);
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GG(a,b,c,d,m[5], 5,0xd62f105d);
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GG(d,a,b,c,m[10], 9,0x02441453);
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GG(c,d,a,b,m[15],14,0xd8a1e681);
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GG(b,c,d,a,m[4], 20,0xe7d3fbc8);
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GG(a,b,c,d,m[9], 5,0x21e1cde6);
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GG(d,a,b,c,m[14], 9,0xc33707d6);
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GG(c,d,a,b,m[3], 14,0xf4d50d87);
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GG(b,c,d,a,m[8], 20,0x455a14ed);
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GG(a,b,c,d,m[13], 5,0xa9e3e905);
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GG(d,a,b,c,m[2], 9,0xfcefa3f8);
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GG(c,d,a,b,m[7], 14,0x676f02d9);
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GG(b,c,d,a,m[12],20,0x8d2a4c8a);
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HH(a,b,c,d,m[5], 4,0xfffa3942);
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HH(d,a,b,c,m[8], 11,0x8771f681);
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HH(c,d,a,b,m[11],16,0x6d9d6122);
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HH(b,c,d,a,m[14],23,0xfde5380c);
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HH(a,b,c,d,m[1], 4,0xa4beea44);
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HH(d,a,b,c,m[4], 11,0x4bdecfa9);
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HH(c,d,a,b,m[7], 16,0xf6bb4b60);
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HH(b,c,d,a,m[10],23,0xbebfbc70);
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HH(a,b,c,d,m[13], 4,0x289b7ec6);
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HH(d,a,b,c,m[0], 11,0xeaa127fa);
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HH(c,d,a,b,m[3], 16,0xd4ef3085);
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HH(b,c,d,a,m[6], 23,0x04881d05);
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HH(a,b,c,d,m[9], 4,0xd9d4d039);
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HH(d,a,b,c,m[12],11,0xe6db99e5);
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HH(c,d,a,b,m[15],16,0x1fa27cf8);
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HH(b,c,d,a,m[2], 23,0xc4ac5665);
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II(a,b,c,d,m[0], 6,0xf4292244);
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II(d,a,b,c,m[7], 10,0x432aff97);
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II(c,d,a,b,m[14],15,0xab9423a7);
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II(b,c,d,a,m[5], 21,0xfc93a039);
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II(a,b,c,d,m[12], 6,0x655b59c3);
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II(d,a,b,c,m[3], 10,0x8f0ccc92);
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II(c,d,a,b,m[10],15,0xffeff47d);
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II(b,c,d,a,m[1], 21,0x85845dd1);
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II(a,b,c,d,m[8], 6,0x6fa87e4f);
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II(d,a,b,c,m[15],10,0xfe2ce6e0);
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II(c,d,a,b,m[6], 15,0xa3014314);
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II(b,c,d,a,m[13],21,0x4e0811a1);
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II(a,b,c,d,m[4], 6,0xf7537e82);
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II(d,a,b,c,m[11],10,0xbd3af235);
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II(c,d,a,b,m[2], 15,0x2ad7d2bb);
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II(b,c,d,a,m[9], 21,0xeb86d391);
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ctx->state[0] += a;
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ctx->state[1] += b;
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ctx->state[2] += c;
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ctx->state[3] += d;
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}
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void md5_init(MD5_CTX *ctx)
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{
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ctx->datalen = 0;
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ctx->bitlen = 0;
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ctx->state[0] = 0x67452301;
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ctx->state[1] = 0xEFCDAB89;
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ctx->state[2] = 0x98BADCFE;
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ctx->state[3] = 0x10325476;
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}
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void md5_update(MD5_CTX *ctx, const BYTE data[], size_t len)
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{
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size_t i;
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for (i = 0; i < len; ++i) {
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ctx->data[ctx->datalen] = data[i];
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ctx->datalen++;
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if (ctx->datalen == 64) {
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md5_transform(ctx, ctx->data);
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ctx->bitlen += 512;
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ctx->datalen = 0;
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}
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}
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}
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void md5_final(MD5_CTX *ctx, BYTE hash[])
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{
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size_t i;
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i = ctx->datalen;
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// Pad whatever data is left in the buffer.
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if (ctx->datalen < 56) {
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ctx->data[i++] = 0x80;
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while (i < 56)
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ctx->data[i++] = 0x00;
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}
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else if (ctx->datalen >= 56) {
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ctx->data[i++] = 0x80;
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while (i < 64)
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ctx->data[i++] = 0x00;
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md5_transform(ctx, ctx->data);
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memset(ctx->data, 0, 56);
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}
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// Append to the padding the total message's length in bits and transform.
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ctx->bitlen += ctx->datalen * 8;
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ctx->data[56] = ctx->bitlen;
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ctx->data[57] = ctx->bitlen >> 8;
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ctx->data[58] = ctx->bitlen >> 16;
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ctx->data[59] = ctx->bitlen >> 24;
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ctx->data[60] = ctx->bitlen >> 32;
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ctx->data[61] = ctx->bitlen >> 40;
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ctx->data[62] = ctx->bitlen >> 48;
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ctx->data[63] = ctx->bitlen >> 56;
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md5_transform(ctx, ctx->data);
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// Since this implementation uses little endian byte ordering and MD uses big endian,
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// reverse all the bytes when copying the final state to the output hash.
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for (i = 0; i < 4; ++i) {
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hash[i] = (ctx->state[0] >> (i * 8)) & 0x000000ff;
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hash[i + 4] = (ctx->state[1] >> (i * 8)) & 0x000000ff;
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hash[i + 8] = (ctx->state[2] >> (i * 8)) & 0x000000ff;
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hash[i + 12] = (ctx->state[3] >> (i * 8)) & 0x000000ff;
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}
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}
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34
programs/other/TinyHashView/algorithms/md5.h
Normal file
34
programs/other/TinyHashView/algorithms/md5.h
Normal file
@@ -0,0 +1,34 @@
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/*********************************************************************
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* Filename: md5.h
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* Author: Brad Conte (brad AT bradconte.com)
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* Copyright:
|
||||
* Disclaimer: This code is presented "as is" without any guarantees.
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* Details: Defines the API for the corresponding MD5 implementation.
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*********************************************************************/
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#ifndef MD5_H
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#define MD5_H
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/*************************** HEADER FILES ***************************/
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#include <stddef.h>
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/****************************** MACROS ******************************/
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#define MD5_BLOCK_SIZE 16 // MD5 outputs a 16 byte digest
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/**************************** DATA TYPES ****************************/
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typedef unsigned char BYTE; // 8-bit byte
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typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
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typedef struct {
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BYTE data[64];
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WORD datalen;
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unsigned long long bitlen;
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WORD state[4];
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} MD5_CTX;
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/*********************** FUNCTION DECLARATIONS **********************/
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void md5_init(MD5_CTX *ctx);
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void md5_update(MD5_CTX *ctx, const BYTE data[], size_t len);
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void md5_final(MD5_CTX *ctx, BYTE hash[]);
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#endif // MD5_H
|
149
programs/other/TinyHashView/algorithms/sha1.c
Normal file
149
programs/other/TinyHashView/algorithms/sha1.c
Normal file
@@ -0,0 +1,149 @@
|
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/*********************************************************************
|
||||
* Filename: sha1.c
|
||||
* Author: Brad Conte (brad AT bradconte.com)
|
||||
* Copyright:
|
||||
* Disclaimer: This code is presented "as is" without any guarantees.
|
||||
* Details: Implementation of the SHA1 hashing algorithm.
|
||||
Algorithm specification can be found here:
|
||||
* http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
|
||||
This implementation uses little endian byte order.
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||||
*********************************************************************/
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||||
|
||||
/*************************** HEADER FILES ***************************/
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#include <stdlib.h>
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||||
#include <string.h>
|
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#include "sha1.h"
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||||
|
||||
/****************************** MACROS ******************************/
|
||||
#define ROTLEFT(a, b) ((a << b) | (a >> (32 - b)))
|
||||
|
||||
/*********************** FUNCTION DEFINITIONS ***********************/
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||||
void sha1_transform(SHA1_CTX *ctx, const BYTE data[])
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{
|
||||
WORD a, b, c, d, e, i, j, t, m[80];
|
||||
|
||||
for (i = 0, j = 0; i < 16; ++i, j += 4)
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m[i] = (data[j] << 24) + (data[j + 1] << 16) + (data[j + 2] << 8) + (data[j + 3]);
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for ( ; i < 80; ++i) {
|
||||
m[i] = (m[i - 3] ^ m[i - 8] ^ m[i - 14] ^ m[i - 16]);
|
||||
m[i] = (m[i] << 1) | (m[i] >> 31);
|
||||
}
|
||||
|
||||
a = ctx->state[0];
|
||||
b = ctx->state[1];
|
||||
c = ctx->state[2];
|
||||
d = ctx->state[3];
|
||||
e = ctx->state[4];
|
||||
|
||||
for (i = 0; i < 20; ++i) {
|
||||
t = ROTLEFT(a, 5) + ((b & c) ^ (~b & d)) + e + ctx->k[0] + m[i];
|
||||
e = d;
|
||||
d = c;
|
||||
c = ROTLEFT(b, 30);
|
||||
b = a;
|
||||
a = t;
|
||||
}
|
||||
for ( ; i < 40; ++i) {
|
||||
t = ROTLEFT(a, 5) + (b ^ c ^ d) + e + ctx->k[1] + m[i];
|
||||
e = d;
|
||||
d = c;
|
||||
c = ROTLEFT(b, 30);
|
||||
b = a;
|
||||
a = t;
|
||||
}
|
||||
for ( ; i < 60; ++i) {
|
||||
t = ROTLEFT(a, 5) + ((b & c) ^ (b & d) ^ (c & d)) + e + ctx->k[2] + m[i];
|
||||
e = d;
|
||||
d = c;
|
||||
c = ROTLEFT(b, 30);
|
||||
b = a;
|
||||
a = t;
|
||||
}
|
||||
for ( ; i < 80; ++i) {
|
||||
t = ROTLEFT(a, 5) + (b ^ c ^ d) + e + ctx->k[3] + m[i];
|
||||
e = d;
|
||||
d = c;
|
||||
c = ROTLEFT(b, 30);
|
||||
b = a;
|
||||
a = t;
|
||||
}
|
||||
|
||||
ctx->state[0] += a;
|
||||
ctx->state[1] += b;
|
||||
ctx->state[2] += c;
|
||||
ctx->state[3] += d;
|
||||
ctx->state[4] += e;
|
||||
}
|
||||
|
||||
void sha1_init(SHA1_CTX *ctx)
|
||||
{
|
||||
ctx->datalen = 0;
|
||||
ctx->bitlen = 0;
|
||||
ctx->state[0] = 0x67452301;
|
||||
ctx->state[1] = 0xEFCDAB89;
|
||||
ctx->state[2] = 0x98BADCFE;
|
||||
ctx->state[3] = 0x10325476;
|
||||
ctx->state[4] = 0xc3d2e1f0;
|
||||
ctx->k[0] = 0x5a827999;
|
||||
ctx->k[1] = 0x6ed9eba1;
|
||||
ctx->k[2] = 0x8f1bbcdc;
|
||||
ctx->k[3] = 0xca62c1d6;
|
||||
}
|
||||
|
||||
void sha1_update(SHA1_CTX *ctx, const BYTE data[], size_t len)
|
||||
{
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < len; ++i) {
|
||||
ctx->data[ctx->datalen] = data[i];
|
||||
ctx->datalen++;
|
||||
if (ctx->datalen == 64) {
|
||||
sha1_transform(ctx, ctx->data);
|
||||
ctx->bitlen += 512;
|
||||
ctx->datalen = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void sha1_final(SHA1_CTX *ctx, BYTE hash[])
|
||||
{
|
||||
WORD i;
|
||||
|
||||
i = ctx->datalen;
|
||||
|
||||
// Pad whatever data is left in the buffer.
|
||||
if (ctx->datalen < 56) {
|
||||
ctx->data[i++] = 0x80;
|
||||
while (i < 56)
|
||||
ctx->data[i++] = 0x00;
|
||||
}
|
||||
else {
|
||||
ctx->data[i++] = 0x80;
|
||||
while (i < 64)
|
||||
ctx->data[i++] = 0x00;
|
||||
sha1_transform(ctx, ctx->data);
|
||||
memset(ctx->data, 0, 56);
|
||||
}
|
||||
|
||||
// Append to the padding the total message's length in bits and transform.
|
||||
ctx->bitlen += ctx->datalen * 8;
|
||||
ctx->data[63] = ctx->bitlen;
|
||||
ctx->data[62] = ctx->bitlen >> 8;
|
||||
ctx->data[61] = ctx->bitlen >> 16;
|
||||
ctx->data[60] = ctx->bitlen >> 24;
|
||||
ctx->data[59] = ctx->bitlen >> 32;
|
||||
ctx->data[58] = ctx->bitlen >> 40;
|
||||
ctx->data[57] = ctx->bitlen >> 48;
|
||||
ctx->data[56] = ctx->bitlen >> 56;
|
||||
sha1_transform(ctx, ctx->data);
|
||||
|
||||
// Since this implementation uses little endian byte ordering and MD uses big endian,
|
||||
// reverse all the bytes when copying the final state to the output hash.
|
||||
for (i = 0; i < 4; ++i) {
|
||||
hash[i] = (ctx->state[0] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 4] = (ctx->state[1] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 8] = (ctx->state[2] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 12] = (ctx->state[3] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 16] = (ctx->state[4] >> (24 - i * 8)) & 0x000000ff;
|
||||
}
|
||||
}
|
35
programs/other/TinyHashView/algorithms/sha1.h
Normal file
35
programs/other/TinyHashView/algorithms/sha1.h
Normal file
@@ -0,0 +1,35 @@
|
||||
/*********************************************************************
|
||||
* Filename: sha1.h
|
||||
* Author: Brad Conte (brad AT bradconte.com)
|
||||
* Copyright:
|
||||
* Disclaimer: This code is presented "as is" without any guarantees.
|
||||
* Details: Defines the API for the corresponding SHA1 implementation.
|
||||
*********************************************************************/
|
||||
|
||||
#ifndef SHA1_H
|
||||
#define SHA1_H
|
||||
|
||||
/*************************** HEADER FILES ***************************/
|
||||
#include <stddef.h>
|
||||
|
||||
/****************************** MACROS ******************************/
|
||||
#define SHA1_BLOCK_SIZE 20 // SHA1 outputs a 20 byte digest
|
||||
|
||||
/**************************** DATA TYPES ****************************/
|
||||
typedef unsigned char BYTE; // 8-bit byte
|
||||
typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
|
||||
|
||||
typedef struct {
|
||||
BYTE data[64];
|
||||
WORD datalen;
|
||||
unsigned long long bitlen;
|
||||
WORD state[5];
|
||||
WORD k[4];
|
||||
} SHA1_CTX;
|
||||
|
||||
/*********************** FUNCTION DECLARATIONS **********************/
|
||||
void sha1_init(SHA1_CTX *ctx);
|
||||
void sha1_update(SHA1_CTX *ctx, const BYTE data[], size_t len);
|
||||
void sha1_final(SHA1_CTX *ctx, BYTE hash[]);
|
||||
|
||||
#endif // SHA1_H
|
158
programs/other/TinyHashView/algorithms/sha256.c
Normal file
158
programs/other/TinyHashView/algorithms/sha256.c
Normal file
@@ -0,0 +1,158 @@
|
||||
/*********************************************************************
|
||||
* Filename: sha256.c
|
||||
* Author: Brad Conte (brad AT bradconte.com)
|
||||
* Copyright:
|
||||
* Disclaimer: This code is presented "as is" without any guarantees.
|
||||
* Details: Implementation of the SHA-256 hashing algorithm.
|
||||
SHA-256 is one of the three algorithms in the SHA2
|
||||
specification. The others, SHA-384 and SHA-512, are not
|
||||
offered in this implementation.
|
||||
Algorithm specification can be found here:
|
||||
* http://csrc.nist.gov/publications/fips/fips180-2/fips180-2withchangenotice.pdf
|
||||
This implementation uses little endian byte order.
|
||||
*********************************************************************/
|
||||
|
||||
/*************************** HEADER FILES ***************************/
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include "sha256.h"
|
||||
|
||||
/****************************** MACROS ******************************/
|
||||
#define ROTLEFT(a,b) (((a) << (b)) | ((a) >> (32-(b))))
|
||||
#define ROTRIGHT(a,b) (((a) >> (b)) | ((a) << (32-(b))))
|
||||
|
||||
#define CH(x,y,z) (((x) & (y)) ^ (~(x) & (z)))
|
||||
#define MAJ(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
|
||||
#define EP0(x) (ROTRIGHT(x,2) ^ ROTRIGHT(x,13) ^ ROTRIGHT(x,22))
|
||||
#define EP1(x) (ROTRIGHT(x,6) ^ ROTRIGHT(x,11) ^ ROTRIGHT(x,25))
|
||||
#define SIG0(x) (ROTRIGHT(x,7) ^ ROTRIGHT(x,18) ^ ((x) >> 3))
|
||||
#define SIG1(x) (ROTRIGHT(x,17) ^ ROTRIGHT(x,19) ^ ((x) >> 10))
|
||||
|
||||
/**************************** VARIABLES *****************************/
|
||||
static const WORD k[64] = {
|
||||
0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
|
||||
0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
|
||||
0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
|
||||
0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
|
||||
0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
|
||||
0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
|
||||
0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
|
||||
0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
|
||||
};
|
||||
|
||||
/*********************** FUNCTION DEFINITIONS ***********************/
|
||||
void sha256_transform(SHA256_CTX *ctx, const BYTE data[])
|
||||
{
|
||||
WORD a, b, c, d, e, f, g, h, i, j, t1, t2, m[64];
|
||||
|
||||
for (i = 0, j = 0; i < 16; ++i, j += 4)
|
||||
m[i] = (data[j] << 24) | (data[j + 1] << 16) | (data[j + 2] << 8) | (data[j + 3]);
|
||||
for ( ; i < 64; ++i)
|
||||
m[i] = SIG1(m[i - 2]) + m[i - 7] + SIG0(m[i - 15]) + m[i - 16];
|
||||
|
||||
a = ctx->state[0];
|
||||
b = ctx->state[1];
|
||||
c = ctx->state[2];
|
||||
d = ctx->state[3];
|
||||
e = ctx->state[4];
|
||||
f = ctx->state[5];
|
||||
g = ctx->state[6];
|
||||
h = ctx->state[7];
|
||||
|
||||
for (i = 0; i < 64; ++i) {
|
||||
t1 = h + EP1(e) + CH(e,f,g) + k[i] + m[i];
|
||||
t2 = EP0(a) + MAJ(a,b,c);
|
||||
h = g;
|
||||
g = f;
|
||||
f = e;
|
||||
e = d + t1;
|
||||
d = c;
|
||||
c = b;
|
||||
b = a;
|
||||
a = t1 + t2;
|
||||
}
|
||||
|
||||
ctx->state[0] += a;
|
||||
ctx->state[1] += b;
|
||||
ctx->state[2] += c;
|
||||
ctx->state[3] += d;
|
||||
ctx->state[4] += e;
|
||||
ctx->state[5] += f;
|
||||
ctx->state[6] += g;
|
||||
ctx->state[7] += h;
|
||||
}
|
||||
|
||||
void sha256_init(SHA256_CTX *ctx)
|
||||
{
|
||||
ctx->datalen = 0;
|
||||
ctx->bitlen = 0;
|
||||
ctx->state[0] = 0x6a09e667;
|
||||
ctx->state[1] = 0xbb67ae85;
|
||||
ctx->state[2] = 0x3c6ef372;
|
||||
ctx->state[3] = 0xa54ff53a;
|
||||
ctx->state[4] = 0x510e527f;
|
||||
ctx->state[5] = 0x9b05688c;
|
||||
ctx->state[6] = 0x1f83d9ab;
|
||||
ctx->state[7] = 0x5be0cd19;
|
||||
}
|
||||
|
||||
void sha256_update(SHA256_CTX *ctx, const BYTE data[], size_t len)
|
||||
{
|
||||
WORD i;
|
||||
|
||||
for (i = 0; i < len; ++i) {
|
||||
ctx->data[ctx->datalen] = data[i];
|
||||
ctx->datalen++;
|
||||
if (ctx->datalen == 64) {
|
||||
sha256_transform(ctx, ctx->data);
|
||||
ctx->bitlen += 512;
|
||||
ctx->datalen = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void sha256_final(SHA256_CTX *ctx, BYTE hash[])
|
||||
{
|
||||
WORD i;
|
||||
|
||||
i = ctx->datalen;
|
||||
|
||||
// Pad whatever data is left in the buffer.
|
||||
if (ctx->datalen < 56) {
|
||||
ctx->data[i++] = 0x80;
|
||||
while (i < 56)
|
||||
ctx->data[i++] = 0x00;
|
||||
}
|
||||
else {
|
||||
ctx->data[i++] = 0x80;
|
||||
while (i < 64)
|
||||
ctx->data[i++] = 0x00;
|
||||
sha256_transform(ctx, ctx->data);
|
||||
memset(ctx->data, 0, 56);
|
||||
}
|
||||
|
||||
// Append to the padding the total message's length in bits and transform.
|
||||
ctx->bitlen += ctx->datalen * 8;
|
||||
ctx->data[63] = ctx->bitlen;
|
||||
ctx->data[62] = ctx->bitlen >> 8;
|
||||
ctx->data[61] = ctx->bitlen >> 16;
|
||||
ctx->data[60] = ctx->bitlen >> 24;
|
||||
ctx->data[59] = ctx->bitlen >> 32;
|
||||
ctx->data[58] = ctx->bitlen >> 40;
|
||||
ctx->data[57] = ctx->bitlen >> 48;
|
||||
ctx->data[56] = ctx->bitlen >> 56;
|
||||
sha256_transform(ctx, ctx->data);
|
||||
|
||||
// Since this implementation uses little endian byte ordering and SHA uses big endian,
|
||||
// reverse all the bytes when copying the final state to the output hash.
|
||||
for (i = 0; i < 4; ++i) {
|
||||
hash[i] = (ctx->state[0] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 4] = (ctx->state[1] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 8] = (ctx->state[2] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 12] = (ctx->state[3] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 16] = (ctx->state[4] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 20] = (ctx->state[5] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 24] = (ctx->state[6] >> (24 - i * 8)) & 0x000000ff;
|
||||
hash[i + 28] = (ctx->state[7] >> (24 - i * 8)) & 0x000000ff;
|
||||
}
|
||||
}
|
34
programs/other/TinyHashView/algorithms/sha256.h
Normal file
34
programs/other/TinyHashView/algorithms/sha256.h
Normal file
@@ -0,0 +1,34 @@
|
||||
/*********************************************************************
|
||||
* Filename: sha256.h
|
||||
* Author: Brad Conte (brad AT bradconte.com)
|
||||
* Copyright:
|
||||
* Disclaimer: This code is presented "as is" without any guarantees.
|
||||
* Details: Defines the API for the corresponding SHA1 implementation.
|
||||
*********************************************************************/
|
||||
|
||||
#ifndef SHA256_H
|
||||
#define SHA256_H
|
||||
|
||||
/*************************** HEADER FILES ***************************/
|
||||
#include <stddef.h>
|
||||
|
||||
/****************************** MACROS ******************************/
|
||||
#define SHA256_BLOCK_SIZE 32 // SHA256 outputs a 32 byte digest
|
||||
|
||||
/**************************** DATA TYPES ****************************/
|
||||
typedef unsigned char BYTE; // 8-bit byte
|
||||
typedef unsigned int WORD; // 32-bit word, change to "long" for 16-bit machines
|
||||
|
||||
typedef struct {
|
||||
BYTE data[64];
|
||||
WORD datalen;
|
||||
unsigned long long bitlen;
|
||||
WORD state[8];
|
||||
} SHA256_CTX;
|
||||
|
||||
/*********************** FUNCTION DECLARATIONS **********************/
|
||||
void sha256_init(SHA256_CTX *ctx);
|
||||
void sha256_update(SHA256_CTX *ctx, const BYTE data[], size_t len);
|
||||
void sha256_final(SHA256_CTX *ctx, BYTE hash[]);
|
||||
|
||||
#endif // SHA256_H
|
Reference in New Issue
Block a user