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/*
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/sha.c"

#include <stdio.h>

int main(void)
{
    int i, j, k;
    AVSHA ctx;
    unsigned char digest[32];
    static const int lengths[3] = { 160, 224, 256 };

    for (j = 0; j < 3; j++) {
        printf("Testing SHA-%d\n", lengths[j]);
        for (k = 0; k < 3; k++) {
            av_sha_init(&ctx, lengths[j]);
            if (k == 0)
                av_sha_update(&ctx, "abc", 3);
            else if (k == 1)
                av_sha_update(&ctx, "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 56);
            else
                for (i = 0; i < 1000*1000; i++)
                    av_sha_update(&ctx, "a", 1);
            av_sha_final(&ctx, digest);
            for (i = 0; i < lengths[j] >> 3; i++)
                printf("%02X", digest[i]);
            putchar('\n');
        }
        switch (j) {
        case 0:
            //test vectors (from FIPS PUB 180-1)
            printf("A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D\n"
                   "84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1\n"
                   "34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F\n");
            break;
        case 1:
            //test vectors (from FIPS PUB 180-2 Appendix A)
            printf("23097d22 3405d822 8642a477 bda255b3 2aadbce4 bda0b3f7 e36c9da7\n"
                   "75388b16 512776cc 5dba5da1 fd890150 b0c6455c b4f58b19 52522525\n"
                   "20794655 980c91d8 bbb4c1ea 97618a4b f03f4258 1948b2ee 4ee7ad67\n");
            break;
        case 2:
            //test vectors (from FIPS PUB 180-2)
            printf("ba7816bf 8f01cfea 414140de 5dae2223 b00361a3 96177a9c b410ff61 f20015ad\n"
                   "248d6a61 d20638b8 e5c02693 0c3e6039 a33ce459 64ff2167 f6ecedd4 19db06c1\n"
                   "cdc76e5c 9914fb92 81a1c7e2 84d73e67 f1809a48 a497200e 046d39cc c7112cd0\n");
            break;
        }
    }

    return 0;
}