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blowfish: Factorize testing into a separate function 

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-10-01 23:38:50 +03:00
parent 51a15ed740
commit 0cc9a64b92
1 changed files with 21 additions and 11 deletions
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32
libavutil/blowfish.c
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@ -522,6 +522,25 @@ static const uint8_t ciphertext[8] = {
0x32, 0x4E, 0xD0, 0xFE, 0xF4, 0x13, 0xA2, 0x03
};
#undef exit
static void test_blowfish(AVBlowfish *ctx, uint8_t *dst, const uint8_t *src,
const uint8_t *ref, int len, uint8_t *iv, int dir,
const char *test)
{
av_blowfish_crypt(ctx, dst, src, len, iv, dir);
if (memcmp(dst, ref, 8*len)) {
int i;
printf("%s failed\ngot ", test);
for (i = 0; i < 8*len; i++)
printf("%02x ", dst[i]);
printf("\nexpected ");
for (i = 0; i < 8*len; i++)
printf("%02x ", ref[i]);
printf("\n");
exit(1);
}
}
int main(void)
{
AVBlowfish ctx;
@ -532,17 +551,8 @@ int main(void)
av_blowfish_init(&ctx, "abcdefghijklmnopqrstuvwxyz", 26);
av_blowfish_crypt(&ctx, tmp, plaintext, 1, NULL, 0);
if (memcmp(tmp, ciphertext, 8)) {
printf("Test encryption failed.\n");
return 1;
}
av_blowfish_crypt(&ctx, tmp, ciphertext, 1, NULL, 1);
if (memcmp(tmp, plaintext, 8)) {
printf("Test decryption failed.\n");
return 1;
}
test_blowfish(&ctx, tmp, plaintext, ciphertext, 1, NULL, 0, "encryption");
test_blowfish(&ctx, tmp, ciphertext, plaintext, 1, NULL, 1, "decryption");
memcpy(tmptext_l, plaintext_l, sizeof(*plaintext_l) * NUM_VARIABLE_KEY_TESTS);
memcpy(tmptext_r, plaintext_r, sizeof(*plaintext_r) * NUM_VARIABLE_KEY_TESTS);