| /* test_libFLAC - Unit tester for libFLAC |
| * Copyright (C) 2014-2016 Xiph.Org Foundation |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "FLAC/assert.h" |
| #include "share/compat.h" |
| #include "private/md5.h" |
| #include "md5.h" |
| |
| |
| static FLAC__bool test_md5_clear_context(void); |
| static FLAC__bool test_md5_codec(void); |
| static FLAC__bool test_md5_accumulate(const FLAC__int32 * const * signal,uint32_t channels, uint32_t samples, uint32_t bytes_per_sample, const FLAC__byte target_digest [16]); |
| |
| FLAC__bool test_md5(void) |
| { |
| printf("\n+++ libFLAC unit test: md5\n\n"); |
| |
| if (! test_md5_clear_context()) |
| return false; |
| |
| if (! test_md5_codec()) |
| return false; |
| |
| printf("\nPASSED!\n"); |
| return true; |
| } |
| |
| /*----------------------------------------------------------------------------*/ |
| |
| static FLAC__bool test_md5_clear_context(void) |
| { |
| FLAC__MD5Context ctx; |
| FLAC__byte digest[16]; |
| FLAC__byte target[16] = { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e }; |
| uint32_t k ; |
| char * cptr; |
| |
| printf("testing FLAC__MD5Init ... "); |
| FLAC__MD5Init (&ctx); |
| if (ctx.buf[0] != 0x67452301) { |
| printf("FAILED!\n"); |
| return false; |
| } |
| printf("OK\n"); |
| |
| printf("testing that FLAC__MD5Final clears the MD5Context ... "); |
| FLAC__MD5Final(digest, &ctx); |
| cptr = (char*) &ctx ; |
| for (k = 0 ; k < sizeof (ctx) ; k++) { |
| if (cptr [k]) { |
| printf("FAILED, MD5 ctx has not been cleared after FLAC__MD5Final\n"); |
| return false; |
| } |
| } |
| printf("OK\n"); |
| |
| printf("testing digest correct for zero data ... "); |
| if (memcmp(digest, target, sizeof (digest))) { |
| printf("\nFAILED, expected MD5 sum "); |
| for (k = 0 ; k < 16 ; k++) |
| printf("%02x", (target [k] & 0xff)); |
| printf (" but got "); |
| for (k = 0 ; k < 16 ; k++) |
| printf("%02x", (digest [k] & 0xff)); |
| puts("\n"); |
| return false; |
| } |
| puts("OK"); |
| |
| return true; |
| } |
| |
| static FLAC__byte target_digests [8][4][16] = |
| { /* 1 channel */ |
| { /* 1 byte per sample */ |
| { 0xc1, 0x9a, 0x5b, 0xeb, 0x57, 0x8f, 0x26, 0xeb, 0xfb, 0x34, 0x7c, 0xef, 0x04, 0x31, 0x6d, 0x7d }, |
| /* 2 bytes per sample */ |
| { 0xd4, 0x78, 0x90, 0xd3, 0xa9, 0x17, 0x4e, 0x76, 0xca, 0x4d, 0x27, 0x20, 0x98, 0x36, 0x8b, 0x2e }, |
| /* 3 bytes per sample */ |
| { 0x5a, 0x4b, 0xd6, 0xac, 0xa1, 0x70, 0x84, 0x19, 0x7c, 0x0d, 0xfb, 0x5b, 0xa9, 0x7b, 0xcb, 0x54 }, |
| /* 4 bytes per sample */ |
| { 0x79, 0xd5, 0x7a, 0x32, 0x06, 0x0b, 0xfe, 0x46, 0xa3, 0xe7, 0xba, 0xc5, 0xf7, 0x48, 0x6f, 0x50 } |
| }, |
| |
| /* 2 channels */ |
| { |
| { 0x89, 0xac, 0xcf, 0x91, 0xf1, 0x8c, 0xea, 0xab, 0x46, 0x12, 0x74, 0xbc, 0x4e, 0x82, 0xbe, 0x7d }, |
| { 0xb9, 0x17, 0x16, 0x5b, 0xd8, 0x1c, 0xc8, 0x4e, 0x5a, 0x28, 0xfb, 0xba, 0x87, 0x74, 0x76, 0x44 }, |
| { 0xec, 0x63, 0x92, 0xca, 0x4f, 0x6b, 0x9e, 0xb1, 0x9f, 0xec, 0x3b, 0x2c, 0x15, 0x30, 0xfd, 0x2a }, |
| { 0x05, 0x4d, 0xfd, 0xb8, 0x9d, 0x8a, 0xa2, 0xdd, 0x26, 0x47, 0xc6, 0xfb, 0x4f, 0x23, 0x67, 0x6d } |
| }, |
| |
| /* 3 channels */ |
| { |
| { 0xad, 0x05, 0xda, 0xf3, 0x7a, 0xa1, 0x94, 0xdb, 0x0c, 0x61, 0x06, 0xb2, 0x94, 0x39, 0x6c, 0xa9 }, |
| { 0x8b, 0xcc, 0x41, 0x4d, 0xe9, 0xe3, 0xc2, 0x61, 0x61, 0x8a, 0x8b, 0x22, 0xc6, 0x4e, 0xac, 0xa7 }, |
| { 0x8a, 0xce, 0x97, 0xc1, 0x86, 0xae, 0xbc, 0x73, 0x88, 0x8b, 0x35, 0x5a, 0x37, 0x33, 0xf9, 0xcf }, |
| { 0x69, 0x59, 0xe8, 0x38, 0x29, 0x80, 0x80, 0x21, 0xb1, 0xd2, 0xba, 0xf6, 0x28, 0xd6, 0x6a, 0x83 } |
| }, |
| |
| /* 4 channels */ |
| { |
| { 0x61, 0x40, 0x75, 0xef, 0x22, 0xf1, 0x0f, 0xa6, 0x08, 0x6c, 0x88, 0xff, 0x2c, 0x4e, 0x98, 0x0b }, |
| { 0xa0, 0x77, 0x3a, 0x59, 0x4a, 0xbf, 0xd0, 0x5c, 0xcc, 0xe3, 0xb9, 0x83, 0x2b, 0xf3, 0xdf, 0x1a }, |
| { 0xdb, 0xd7, 0xf1, 0x82, 0x13, 0x60, 0x42, 0x7c, 0x84, 0xe6, 0xcf, 0x30, 0xab, 0xa2, 0x64, 0xf1 }, |
| { 0x4a, 0x9a, 0xad, 0x53, 0x05, 0x74, 0xb1, 0x1c, 0xb8, 0xd4, 0xae, 0x78, 0x13, 0xf6, 0x2a, 0x11 } |
| }, |
| |
| /* 5 channels */ |
| { |
| { 0xcc, 0xca, 0x44, 0xc0, 0x54, 0xe2, 0xc9, 0xba, 0x99, 0x32, 0xc9, 0x65, 0xf3, 0x3e, 0x44, 0x34}, |
| { 0x40, 0x38, 0x6a, 0xdd, 0xde, 0x89, 0x10, 0x3c, 0x8e, 0xec, 0xdf, 0x15, 0x53, 0x4c, 0x2c, 0x92 }, |
| { 0xc8, 0x95, 0x0a, 0x7c, 0x17, 0x30, 0xc0, 0xac, 0x8e, 0x34, 0xdb, 0x79, 0x76, 0x64, 0x7c, 0x6e }, |
| { 0x3f, 0x06, 0x11, 0x8a, 0x8d, 0x80, 0xb5, 0x4f, 0x8b, 0xb5, 0x8e, 0xb3, 0x27, 0x3e, 0x41, 0xe8 } |
| }, |
| |
| /* 6 channels */ |
| { |
| { 0x61, 0xe4, 0xbd, 0xb1, 0xc0, 0x2f, 0xf4, 0x4c, 0x6e, 0x09, 0x5a, 0xbd, 0x90, 0x18, 0x8b, 0x62 }, |
| { 0x47, 0xe7, 0x6e, 0x3b, 0x18, 0x86, 0x60, 0x1b, 0x09, 0x62, 0xc6, 0xc9, 0x7c, 0x4c, 0x03, 0xb5 }, |
| { 0x70, 0x57, 0xbf, 0x67, 0x66, 0x0f, 0xe3, 0x0a, 0x6c, 0xd2, 0x97, 0x66, 0xa2, 0xd2, 0xe4, 0x79 }, |
| { 0xaa, 0x3f, 0xc7, 0xf5, 0x7a, 0xa5, 0x46, 0xf7, 0xea, 0xe3, 0xd5, 0x1a, 0xa4, 0x62, 0xbe, 0xfa } |
| }, |
| |
| /* 7 channels */ |
| { |
| { 0x7c, 0x8d, 0xd2, 0x8c, 0xfd, 0x91, 0xbb, 0x77, 0x6f, 0x0e, 0xf0, 0x39, 0x1f, 0x39, 0xc4, 0xac }, |
| { 0xfb, 0xab, 0x18, 0x3f, 0x1e, 0x1d, 0xa5, 0x77, 0xe0, 0x5c, 0xea, 0x45, 0x6f, 0x64, 0xa4, 0x64 }, |
| { 0xe3, 0xac, 0x33, 0x50, 0xc1, 0xb1, 0x93, 0xfb, 0xca, 0x4b, 0x15, 0xcb, 0x2d, 0xcd, 0xd5, 0xef }, |
| { 0x10, 0xfb, 0x02, 0x83, 0x76, 0x0d, 0xe5, 0xd2, 0x3b, 0xb1, 0x4c, 0x78, 0x3b, 0x73, 0xf7, 0x1a } |
| }, |
| |
| /* 8 channels */ |
| { |
| { 0x65, 0x7b, 0xe5, 0x92, 0xe2, 0x1c, 0x95, 0x3e, 0xd7, 0x2f, 0x64, 0xa0, 0x86, 0xec, 0x1a, 0xed }, |
| { 0x9d, 0x04, 0x8f, 0xa4, 0xea, 0x10, 0xec, 0xb8, 0xa3, 0x88, 0xe2, 0x5d, 0x3c, 0xe2, 0xfb, 0x94 }, |
| { 0x5a, 0xd3, 0xd2, 0x75, 0x6a, 0xfa, 0xa7, 0x42, 0xf3, 0xbf, 0x0e, 0xbc, 0x90, 0x2a, 0xf8, 0x5f }, |
| { 0x76, 0xe1, 0xe5, 0xf6, 0xe3, 0x44, 0x08, 0x29, 0xae, 0x79, 0x19, 0xeb, 0xa8, 0x57, 0x16, 0x2a } |
| } |
| }; |
| |
| #define MAX_CHANNEL_COUNT 8 |
| #define MD5_SAMPLE_COUNT 64 |
| |
| static FLAC__bool test_md5_codec(void) |
| { |
| FLAC__int32 arrays[MAX_CHANNEL_COUNT][MD5_SAMPLE_COUNT], *pointer[MAX_CHANNEL_COUNT], **signal; |
| uint32_t chan, byte_size, seed = 0x12345679; |
| |
| /* Set up signal data using a trivial Linear Congruent PRNG. */ |
| signal = &pointer[0]; |
| for (chan = 0 ; chan < MAX_CHANNEL_COUNT ; chan ++) { |
| uint32_t k; |
| pointer[chan] = arrays [chan]; |
| for (k = 0 ; k < MD5_SAMPLE_COUNT ; k++) { |
| seed = seed * 1103515245 + 12345; |
| arrays[chan][k] = seed; |
| } |
| } |
| |
| for (chan = 1 ; chan <= MAX_CHANNEL_COUNT ; chan ++) { |
| for (byte_size = 1 ; byte_size <= 4 ; byte_size ++) { |
| if (! test_md5_accumulate((const FLAC__int32 * const *) signal, chan, MD5_SAMPLE_COUNT, byte_size, target_digests[chan-1][byte_size-1])) |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| static FLAC__bool test_md5_accumulate(const FLAC__int32 * const * signal, uint32_t channels, uint32_t samples, uint32_t bytes_per_sample, const FLAC__byte target_digest [16]) |
| { |
| FLAC__MD5Context ctx; |
| FLAC__byte digest[16]; |
| |
| memset(&ctx, 0, sizeof (ctx)); |
| |
| printf("testing FLAC__MD5Accumulate (samples=%u, channels=%u, bytes_per_sample=%u) ... ", samples, channels, bytes_per_sample); |
| |
| FLAC__MD5Init(&ctx); |
| FLAC__MD5Accumulate(&ctx, signal, channels, samples, bytes_per_sample); |
| FLAC__MD5Final(digest, &ctx); |
| |
| if (memcmp(digest, target_digest, sizeof (digest))) { |
| int k ; |
| |
| printf("\nFAILED, expected MD5 sum "); |
| for (k = 0 ; k < 16 ; k++) |
| printf("%02x", (target_digest [k] & 0xff)); |
| printf (" but got "); |
| for (k = 0 ; k < 16 ; k++) |
| printf("%02x", (digest [k] & 0xff)); |
| puts("\n"); |
| return false; |
| } |
| |
| printf("OK\n"); |
| return true; |
| } |