FFmpeg
sha512.c
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1 /*
2  * Copyright (C) 2007 Michael Niedermayer <michaelni@gmx.at>
3  * Copyright (C) 2009 Konstantin Shishkov
4  * Copyright (C) 2013 James Almer
5  * based on BSD-licensed SHA-2 code by Aaron D. Gifford
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include <stdio.h>
25 
26 #include "libavutil/mem.h"
27 #include "libavutil/sha512.h"
28 
29 int main(void)
30 {
31  int i, j, k;
32  struct AVSHA512 *ctx;
33  unsigned char digest[64];
34  static const int lengths[4] = { 224, 256, 384, 512 };
35 
36  ctx = av_sha512_alloc();
37  if (!ctx)
38  return 1;
39 
40  for (j = 0; j < 4; j++) {
41  if (j < 2) printf("Testing SHA-512/%d\n", lengths[j]);
42  else printf("Testing SHA-%d\n", lengths[j]);
43  for (k = 0; k < 3; k++) {
44  av_sha512_init(ctx, lengths[j]);
45  if (k == 0)
46  av_sha512_update(ctx, "abc", 3);
47  else if (k == 1)
48  av_sha512_update(ctx, "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
49  "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112);
50  else
51  for (i = 0; i < 1000*1000; i++)
52  av_sha512_update(ctx, "a", 1);
53  av_sha512_final(ctx, digest);
54  for (i = 0; i < lengths[j] >> 3; i++)
55  printf("%02X", digest[i]);
56  putchar('\n');
57  }
58  switch (j) { //test vectors (from FIPS PUB 180-4 Apendix A)
59  case 0:
60  printf("4634270f 707b6a54 daae7530 460842e2 0e37ed26 5ceee9a4 3e8924aa\n"
61  "23fec5bb 94d60b23 30819264 0b0c4533 35d66473 4fe40e72 68674af9\n"
62  "37ab331d 76f0d36d e422bd0e deb22a28 accd487b 7a8453ae 965dd287\n");
63  break;
64  case 1:
65  printf("53048e26 81941ef9 9b2e29b7 6b4c7dab e4c2d0c6 34fc6d46 e0e2f131 07e7af23\n"
66  "3928e184 fb8690f8 40da3988 121d31be 65cb9d3e f83ee614 6feac861 e19b563a\n"
67  "9a59a052 930187a9 7038cae6 92f30708 aa649192 3ef51943 94dc68d5 6c74fb21\n");
68  break;
69  case 2:
70  printf("cb00753f 45a35e8b b5a03d69 9ac65007 272c32ab 0eded163 "
71  "1a8b605a 43ff5bed 8086072b a1e7cc23 58baeca1 34c825a7\n"
72  "09330c33 f71147e8 3d192fc7 82cd1b47 53111b17 3b3b05d2 "
73  "2fa08086 e3b0f712 fcc7c71a 557e2db9 66c3e9fa 91746039\n"
74  "9d0e1809 716474cb 086e834e 310a4a1c ed149e9c 00f24852 "
75  "7972cec5 704c2a5b 07b8b3dc 38ecc4eb ae97ddd8 7f3d8985\n");
76  break;
77  case 3:
78  printf("ddaf35a1 93617aba cc417349 ae204131 12e6fa4e 89a97ea2 0a9eeee6 4b55d39a "
79  "2192992a 274fc1a8 36ba3c23 a3feebbd 454d4423 643ce80e 2a9ac94f a54ca49f\n"
80  "8e959b75 dae313da 8cf4f728 14fc143f 8f7779c6 eb9f7fa1 7299aead b6889018 "
81  "501d289e 4900f7e4 331b99de c4b5433a c7d329ee b6dd2654 5e96e55b 874be909\n"
82  "e718483d 0ce76964 4e2e42c7 bc15b463 8e1f98b1 3b204428 5632a803 afa973eb "
83  "de0ff244 877ea60a 4cb0432c e577c31b eb009c5c 2c49aa2e 4eadb217 ad8cc09b\n");
84  break;
85  }
86  }
87  av_free(ctx);
88 
89  return 0;
90 }
Memory handling functions.
hash context
Definition: sha512.c:34
struct AVSHA512 * av_sha512_alloc(void)
Allocate an AVSHA512 context.
Definition: sha512.c:43
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:259
int main(void)
Definition: sha512.c:29
AVFormatContext * ctx
Definition: movenc.c:48
void av_sha512_update(AVSHA512 *ctx, const uint8_t *data, unsigned int len)
Update hash value.
Definition: sha512.c:243
av_cold int av_sha512_init(AVSHA512 *ctx, int bits)
Initialize SHA-2 512 hashing.
Definition: sha512.c:191
Public header for SHA-512 implementation.
#define av_free(p)
printf("static const uint8_t my_array[100] = {\n")
void av_sha512_final(AVSHA512 *ctx, uint8_t *digest)
Finish hashing and output digest value.
Definition: sha512.c:273