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blowfish: Add more tests

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Test inplace ECB, normal CBC and inplace CBC encryption/decryption.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-10-01 23:49:17 +03:00
parent 87f023f2c0
commit 75366a504d
1 changed files with 20 additions and 1 deletions
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21
libavutil/blowfish.c
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@ -517,11 +517,20 @@ static const uint32_t ciphertext_r[NUM_VARIABLE_KEY_TESTS] = {
/* plaintext bytes */ /* plaintext bytes */
static const uint8_t plaintext[8] = "BLOWFISH"; static const uint8_t plaintext[8] = "BLOWFISH";
static const uint8_t plaintext2[16] = "BLOWFISHBLOWFISH";
/* ciphertext bytes */ /* ciphertext bytes */
static const uint8_t ciphertext[8] = { static const uint8_t ciphertext[8] = {
0x32, 0x4E, 0xD0, 0xFE, 0xF4, 0x13, 0xA2, 0x03 0x32, 0x4E, 0xD0, 0xFE, 0xF4, 0x13, 0xA2, 0x03
}; };
static const uint8_t ciphertext2[16] = {
0x53, 0x00, 0x40, 0x06, 0x63, 0xf2, 0x1d, 0x99,
0x3b, 0x9b, 0x27, 0x64, 0x46, 0xfd, 0x20, 0xc1,
};
#define IV "blowfish"
#undef exit #undef exit
static void test_blowfish(AVBlowfish *ctx, uint8_t *dst, const uint8_t *src, 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 uint8_t *ref, int len, uint8_t *iv, int dir,
@ -546,13 +555,23 @@ int main(void)
AVBlowfish ctx; AVBlowfish ctx;
uint32_t tmptext_l[NUM_VARIABLE_KEY_TESTS]; uint32_t tmptext_l[NUM_VARIABLE_KEY_TESTS];
uint32_t tmptext_r[NUM_VARIABLE_KEY_TESTS]; uint32_t tmptext_r[NUM_VARIABLE_KEY_TESTS];
uint8_t tmp[8]; uint8_t tmp[16], iv[8];
int i; int i;
av_blowfish_init(&ctx, "abcdefghijklmnopqrstuvwxyz", 26); av_blowfish_init(&ctx, "abcdefghijklmnopqrstuvwxyz", 26);
test_blowfish(&ctx, tmp, plaintext, ciphertext, 1, NULL, 0, "encryption"); test_blowfish(&ctx, tmp, plaintext, ciphertext, 1, NULL, 0, "encryption");
test_blowfish(&ctx, tmp, ciphertext, plaintext, 1, NULL, 1, "decryption"); test_blowfish(&ctx, tmp, ciphertext, plaintext, 1, NULL, 1, "decryption");
test_blowfish(&ctx, tmp, tmp, ciphertext, 1, NULL, 0, "Inplace encryption");
test_blowfish(&ctx, tmp, tmp, plaintext, 1, NULL, 1, "Inplace decryption");
memcpy(iv, IV, 8);
test_blowfish(&ctx, tmp, plaintext2, ciphertext2, 2, iv, 0, "CBC encryption");
memcpy(iv, IV, 8);
test_blowfish(&ctx, tmp, ciphertext2, plaintext2, 2, iv, 1, "CBC decryption");
memcpy(iv, IV, 8);
test_blowfish(&ctx, tmp, tmp, ciphertext2, 2, iv, 0, "Inplace CBC encryption");
memcpy(iv, IV, 8);
test_blowfish(&ctx, tmp, tmp, plaintext2, 2, iv, 1, "Inplace CBC decryption");
memcpy(tmptext_l, plaintext_l, sizeof(*plaintext_l) * NUM_VARIABLE_KEY_TESTS); memcpy(tmptext_l, plaintext_l, sizeof(*plaintext_l) * NUM_VARIABLE_KEY_TESTS);
memcpy(tmptext_r, plaintext_r, sizeof(*plaintext_r) * NUM_VARIABLE_KEY_TESTS); memcpy(tmptext_r, plaintext_r, sizeof(*plaintext_r) * NUM_VARIABLE_KEY_TESTS);