CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!
CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!
Path: blob/master/Common/Crypto/md5.cpp
Views: 1401
/*1* RFC 1321 compliant MD5 implementation2*3* Copyright (C) 2006-2009, Paul Bakker <polarssl_maintainer at polarssl.org>4* All rights reserved.5*6* Joined copyright on original XySSL code with: Christophe Devine7*8* This program is free software; you can redistribute it and/or modify9* it under the terms of the GNU General Public License as published by10* the Free Software Foundation; either version 2 of the License, or11* (at your option) any later version.12*13* This program is distributed in the hope that it will be useful,14* but WITHOUT ANY WARRANTY; without even the implied warranty of15* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the16* GNU General Public License for more details.17*18* You should have received a copy of the GNU General Public License along19* with this program; if not, write to the Free Software Foundation, Inc.,20* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.21*/22/*23* The MD5 algorithm was designed by Ron Rivest in 1991.24*25* http://www.ietf.org/rfc/rfc1321.txt26*/2728//#include "polarssl/config.h"2930#if defined(POLARSSL_MD5_C)3132#include "polarssl/md5.h"33#else34#include "md5.h"3536#include <string.h>3738/*39* 32-bit integer manipulation macros (little endian)40*/41#ifndef GET_ULONG_LE42#define GET_ULONG_LE(n,b,i) \43{ \44(n) = ( (unsigned long) (b)[(i) ] ) \45| ( (unsigned long) (b)[(i) + 1] << 8 ) \46| ( (unsigned long) (b)[(i) + 2] << 16 ) \47| ( (unsigned long) (b)[(i) + 3] << 24 ); \48}49#endif5051#ifndef PUT_ULONG_LE52#define PUT_ULONG_LE(n,b,i) \53{ \54(b)[(i) ] = (unsigned char) ( (n) ); \55(b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \56(b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \57(b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \58}59#endif6061/*62* MD5 context setup63*/64void ppsspp_md5_starts( md5_context *ctx )65{66ctx->total[0] = 0;67ctx->total[1] = 0;6869ctx->state[0] = 0x67452301;70ctx->state[1] = 0xEFCDAB89;71ctx->state[2] = 0x98BADCFE;72ctx->state[3] = 0x10325476;73}7475static void ppsspp_md5_process( md5_context *ctx, const unsigned char data[64] )76{77unsigned long X[16], A, B, C, D;7879GET_ULONG_LE( X[ 0], data, 0 );80GET_ULONG_LE( X[ 1], data, 4 );81GET_ULONG_LE( X[ 2], data, 8 );82GET_ULONG_LE( X[ 3], data, 12 );83GET_ULONG_LE( X[ 4], data, 16 );84GET_ULONG_LE( X[ 5], data, 20 );85GET_ULONG_LE( X[ 6], data, 24 );86GET_ULONG_LE( X[ 7], data, 28 );87GET_ULONG_LE( X[ 8], data, 32 );88GET_ULONG_LE( X[ 9], data, 36 );89GET_ULONG_LE( X[10], data, 40 );90GET_ULONG_LE( X[11], data, 44 );91GET_ULONG_LE( X[12], data, 48 );92GET_ULONG_LE( X[13], data, 52 );93GET_ULONG_LE( X[14], data, 56 );94GET_ULONG_LE( X[15], data, 60 );9596#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))9798#define P(a,b,c,d,k,s,t) \99{ \100a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \101}102103A = ctx->state[0];104B = ctx->state[1];105C = ctx->state[2];106D = ctx->state[3];107108#define F(x,y,z) (z ^ (x & (y ^ z)))109110P( A, B, C, D, 0, 7, 0xD76AA478 );111P( D, A, B, C, 1, 12, 0xE8C7B756 );112P( C, D, A, B, 2, 17, 0x242070DB );113P( B, C, D, A, 3, 22, 0xC1BDCEEE );114P( A, B, C, D, 4, 7, 0xF57C0FAF );115P( D, A, B, C, 5, 12, 0x4787C62A );116P( C, D, A, B, 6, 17, 0xA8304613 );117P( B, C, D, A, 7, 22, 0xFD469501 );118P( A, B, C, D, 8, 7, 0x698098D8 );119P( D, A, B, C, 9, 12, 0x8B44F7AF );120P( C, D, A, B, 10, 17, 0xFFFF5BB1 );121P( B, C, D, A, 11, 22, 0x895CD7BE );122P( A, B, C, D, 12, 7, 0x6B901122 );123P( D, A, B, C, 13, 12, 0xFD987193 );124P( C, D, A, B, 14, 17, 0xA679438E );125P( B, C, D, A, 15, 22, 0x49B40821 );126127#undef F128129#define F(x,y,z) (y ^ (z & (x ^ y)))130131P( A, B, C, D, 1, 5, 0xF61E2562 );132P( D, A, B, C, 6, 9, 0xC040B340 );133P( C, D, A, B, 11, 14, 0x265E5A51 );134P( B, C, D, A, 0, 20, 0xE9B6C7AA );135P( A, B, C, D, 5, 5, 0xD62F105D );136P( D, A, B, C, 10, 9, 0x02441453 );137P( C, D, A, B, 15, 14, 0xD8A1E681 );138P( B, C, D, A, 4, 20, 0xE7D3FBC8 );139P( A, B, C, D, 9, 5, 0x21E1CDE6 );140P( D, A, B, C, 14, 9, 0xC33707D6 );141P( C, D, A, B, 3, 14, 0xF4D50D87 );142P( B, C, D, A, 8, 20, 0x455A14ED );143P( A, B, C, D, 13, 5, 0xA9E3E905 );144P( D, A, B, C, 2, 9, 0xFCEFA3F8 );145P( C, D, A, B, 7, 14, 0x676F02D9 );146P( B, C, D, A, 12, 20, 0x8D2A4C8A );147148#undef F149150#define F(x,y,z) (x ^ y ^ z)151152P( A, B, C, D, 5, 4, 0xFFFA3942 );153P( D, A, B, C, 8, 11, 0x8771F681 );154P( C, D, A, B, 11, 16, 0x6D9D6122 );155P( B, C, D, A, 14, 23, 0xFDE5380C );156P( A, B, C, D, 1, 4, 0xA4BEEA44 );157P( D, A, B, C, 4, 11, 0x4BDECFA9 );158P( C, D, A, B, 7, 16, 0xF6BB4B60 );159P( B, C, D, A, 10, 23, 0xBEBFBC70 );160P( A, B, C, D, 13, 4, 0x289B7EC6 );161P( D, A, B, C, 0, 11, 0xEAA127FA );162P( C, D, A, B, 3, 16, 0xD4EF3085 );163P( B, C, D, A, 6, 23, 0x04881D05 );164P( A, B, C, D, 9, 4, 0xD9D4D039 );165P( D, A, B, C, 12, 11, 0xE6DB99E5 );166P( C, D, A, B, 15, 16, 0x1FA27CF8 );167P( B, C, D, A, 2, 23, 0xC4AC5665 );168169#undef F170171#define F(x,y,z) (y ^ (x | ~z))172173P( A, B, C, D, 0, 6, 0xF4292244 );174P( D, A, B, C, 7, 10, 0x432AFF97 );175P( C, D, A, B, 14, 15, 0xAB9423A7 );176P( B, C, D, A, 5, 21, 0xFC93A039 );177P( A, B, C, D, 12, 6, 0x655B59C3 );178P( D, A, B, C, 3, 10, 0x8F0CCC92 );179P( C, D, A, B, 10, 15, 0xFFEFF47D );180P( B, C, D, A, 1, 21, 0x85845DD1 );181P( A, B, C, D, 8, 6, 0x6FA87E4F );182P( D, A, B, C, 15, 10, 0xFE2CE6E0 );183P( C, D, A, B, 6, 15, 0xA3014314 );184P( B, C, D, A, 13, 21, 0x4E0811A1 );185P( A, B, C, D, 4, 6, 0xF7537E82 );186P( D, A, B, C, 11, 10, 0xBD3AF235 );187P( C, D, A, B, 2, 15, 0x2AD7D2BB );188P( B, C, D, A, 9, 21, 0xEB86D391 );189190#undef F191192ctx->state[0] += A;193ctx->state[1] += B;194ctx->state[2] += C;195ctx->state[3] += D;196}197198/*199* MD5 process buffer200*/201void ppsspp_md5_update( md5_context *ctx, unsigned char *input, int ilen )202{203int fill;204unsigned long left;205206if( ilen <= 0 )207return;208209left = ctx->total[0] & 0x3F;210fill = 64 - left;211212ctx->total[0] += ilen;213ctx->total[0] &= 0xFFFFFFFF;214215if( ctx->total[0] < (unsigned long) ilen )216ctx->total[1]++;217218if( left && ilen >= fill )219{220memcpy( (void *) (ctx->buffer + left),221(void *) input, fill );222ppsspp_md5_process( ctx, ctx->buffer );223input += fill;224ilen -= fill;225left = 0;226}227228while( ilen >= 64 )229{230ppsspp_md5_process( ctx, input );231input += 64;232ilen -= 64;233}234235if( ilen > 0 )236{237memcpy( (void *) (ctx->buffer + left),238(void *) input, ilen );239}240}241242static const unsigned char md5_padding[64] =243{2440x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,2450, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,2460, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,2470, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0248};249250/*251* MD5 final digest252*/253void ppsspp_md5_finish( md5_context *ctx, unsigned char output[16] )254{255unsigned long last, padn;256unsigned long high, low;257unsigned char msglen[8];258259high = ( ctx->total[0] >> 29 )260| ( ctx->total[1] << 3 );261low = ( ctx->total[0] << 3 );262263PUT_ULONG_LE( low, msglen, 0 );264PUT_ULONG_LE( high, msglen, 4 );265266last = ctx->total[0] & 0x3F;267padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );268269ppsspp_md5_update( ctx, (unsigned char *) md5_padding, padn );270ppsspp_md5_update( ctx, msglen, 8 );271272PUT_ULONG_LE( ctx->state[0], output, 0 );273PUT_ULONG_LE( ctx->state[1], output, 4 );274PUT_ULONG_LE( ctx->state[2], output, 8 );275PUT_ULONG_LE( ctx->state[3], output, 12 );276}277278/*279* output = MD5( input buffer )280*/281void ppsspp_md5( unsigned char *input, int ilen, unsigned char output[16] )282{283md5_context ctx;284285ppsspp_md5_starts( &ctx );286ppsspp_md5_update( &ctx, input, ilen );287ppsspp_md5_finish( &ctx, output );288289memset( &ctx, 0, sizeof( md5_context ) );290}291292/*293* MD5 HMAC context setup294*/295void ppsspp_md5_hmac_starts( md5_context *ctx, unsigned char *key, int keylen )296{297int i;298unsigned char sum[16];299300if( keylen > 64 )301{302ppsspp_md5( key, keylen, sum );303keylen = 16;304key = sum;305}306307memset( ctx->ipad, 0x36, 64 );308memset( ctx->opad, 0x5C, 64 );309310for( i = 0; i < keylen; i++ )311{312ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] );313ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] );314}315316ppsspp_md5_starts( ctx );317ppsspp_md5_update( ctx, ctx->ipad, 64 );318319memset( sum, 0, sizeof( sum ) );320}321322/*323* MD5 HMAC process buffer324*/325void ppsspp_md5_hmac_update( md5_context *ctx, unsigned char *input, int ilen )326{327ppsspp_md5_update( ctx, input, ilen );328}329330/*331* MD5 HMAC final digest332*/333void ppsspp_md5_hmac_finish( md5_context *ctx, unsigned char output[16] )334{335unsigned char tmpbuf[16];336337ppsspp_md5_finish( ctx, tmpbuf );338ppsspp_md5_starts( ctx );339ppsspp_md5_update( ctx, ctx->opad, 64 );340ppsspp_md5_update( ctx, tmpbuf, 16 );341ppsspp_md5_finish( ctx, output );342343memset( tmpbuf, 0, sizeof( tmpbuf ) );344}345346/*347* output = HMAC-MD5( hmac key, input buffer )348*/349void ppsspp_md5_hmac( unsigned char *key, int keylen, unsigned char *input, int ilen,350unsigned char output[16] )351{352md5_context ctx;353354ppsspp_md5_hmac_starts( &ctx, key, keylen );355ppsspp_md5_hmac_update( &ctx, input, ilen );356ppsspp_md5_hmac_finish( &ctx, output );357358memset( &ctx, 0, sizeof( md5_context ) );359}360361#if defined(POLARSSL_SELF_TEST)362/*363* RFC 1321 test vectors364*/365static unsigned char md5_test_buf[7][81] =366{367{ "" },368{ "a" },369{ "abc" },370{ "message digest" },371{ "abcdefghijklmnopqrstuvwxyz" },372{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },373{ "12345678901234567890123456789012345678901234567890123456789012" \374"345678901234567890" }375};376377static const int md5_test_buflen[7] =378{3790, 1, 3, 14, 26, 62, 80380};381382static const unsigned char md5_test_sum[7][16] =383{384{ 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,3850xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },386{ 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,3870x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },388{ 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,3890xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },390{ 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,3910x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },392{ 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,3930x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },394{ 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,3950xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },396{ 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,3970xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }398};399400/*401* RFC 2202 test vectors402*/403static unsigned char md5_hmac_test_key[7][26] =404{405{ "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" },406{ "Jefe" },407{ "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" },408{ "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"409"\x11\x12\x13\x14\x15\x16\x17\x18\x19" },410{ "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" },411{ "" }, /* 0xAA 80 times */412{ "" }413};414415static const int md5_hmac_test_keylen[7] =416{41716, 4, 16, 25, 16, 80, 80418};419420static unsigned char md5_hmac_test_buf[7][74] =421{422{ "Hi There" },423{ "what do ya want for nothing?" },424{ "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"425"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"426"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"427"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD"428"\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" },429{ "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"430"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"431"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"432"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD"433"\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" },434{ "Test With Truncation" },435{ "Test Using Larger Than Block-Size Key - Hash Key First" },436{ "Test Using Larger Than Block-Size Key and Larger"437" Than One Block-Size Data" }438};439440static const int md5_hmac_test_buflen[7] =441{4428, 28, 50, 50, 20, 54, 73443};444445static const unsigned char md5_hmac_test_sum[7][16] =446{447{ 0x92, 0x94, 0x72, 0x7A, 0x36, 0x38, 0xBB, 0x1C,4480x13, 0xF4, 0x8E, 0xF8, 0x15, 0x8B, 0xFC, 0x9D },449{ 0x75, 0x0C, 0x78, 0x3E, 0x6A, 0xB0, 0xB5, 0x03,4500xEA, 0xA8, 0x6E, 0x31, 0x0A, 0x5D, 0xB7, 0x38 },451{ 0x56, 0xBE, 0x34, 0x52, 0x1D, 0x14, 0x4C, 0x88,4520xDB, 0xB8, 0xC7, 0x33, 0xF0, 0xE8, 0xB3, 0xF6 },453{ 0x69, 0x7E, 0xAF, 0x0A, 0xCA, 0x3A, 0x3A, 0xEA,4540x3A, 0x75, 0x16, 0x47, 0x46, 0xFF, 0xAA, 0x79 },455{ 0x56, 0x46, 0x1E, 0xF2, 0x34, 0x2E, 0xDC, 0x00,4560xF9, 0xBA, 0xB9, 0x95 },457{ 0x6B, 0x1A, 0xB7, 0xFE, 0x4B, 0xD7, 0xBF, 0x8F,4580x0B, 0x62, 0xE6, 0xCE, 0x61, 0xB9, 0xD0, 0xCD },459{ 0x6F, 0x63, 0x0F, 0xAD, 0x67, 0xCD, 0xA0, 0xEE,4600x1F, 0xB1, 0xF5, 0x62, 0xDB, 0x3A, 0xA5, 0x3E }461};462463/*464* Checkup routine465*/466int ppsspp_md5_self_test( int verbose )467{468int i, buflen;469unsigned char buf[1024];470unsigned char md5sum[16];471md5_context ctx;472473for( i = 0; i < 7; i++ )474{475if( verbose != 0 )476printf( " MD5 test #%d: ", i + 1 );477478md5( md5_test_buf[i], md5_test_buflen[i], md5sum );479480if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )481{482if( verbose != 0 )483printf( "failed\n" );484485return( 1 );486}487488if( verbose != 0 )489printf( "passed\n" );490}491492if( verbose != 0 )493printf( "\n" );494495for( i = 0; i < 7; i++ )496{497if( verbose != 0 )498printf( " HMAC-MD5 test #%d: ", i + 1 );499500if( i == 5 || i == 6 )501{502memset( buf, '\xAA', buflen = 80 );503md5_hmac_starts( &ctx, buf, buflen );504}505else506md5_hmac_starts( &ctx, md5_hmac_test_key[i],507md5_hmac_test_keylen[i] );508509md5_hmac_update( &ctx, md5_hmac_test_buf[i],510md5_hmac_test_buflen[i] );511512md5_hmac_finish( &ctx, md5sum );513514buflen = ( i == 4 ) ? 12 : 16;515516if( memcmp( md5sum, md5_hmac_test_sum[i], buflen ) != 0 )517{518if( verbose != 0 )519printf( "failed\n" );520521return( 1 );522}523524if( verbose != 0 )525printf( "passed\n" );526}527528if( verbose != 0 )529printf( "\n" );530531return( 0 );532}533534#endif535536#endif537538539