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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-09-30 17:36:01 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2012-10-03 19:19:53 +0300 |
| commit | f0fce9f33e604544c678b6de4c29301ed4d0751f (patch) | |
| tree | 93cee7a4539cc544b9647f8fc1aa3eeabf919dfd /libavutil/xtea.c | |
| parent | b4345004319eee35e697520ca305eb95db0669e9 (diff) | |
| download | ffmpeg-f0fce9f33e604544c678b6de4c29301ed4d0751f.tar.gz | |
xtea: Test inplace decryption
Based on test code by: Giorgio Vazzana <mywing81@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavutil/xtea.c')
| -rw-r--r-- | libavutil/xtea.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/libavutil/xtea.c b/libavutil/xtea.c index cf63670dbe..f3357ce544 100644 --- a/libavutil/xtea.c +++ b/libavutil/xtea.c @@ -160,14 +160,28 @@ static void test_xtea(AVXTEA *ctx, uint8_t *dst, const uint8_t *src, int main(void) { AVXTEA ctx; - uint8_t buf[8]; + uint8_t buf[8], iv[8]; int i; + const uint8_t src[32] = "HelloWorldHelloWorldHelloWorld"; + uint8_t ct[32]; + uint8_t pl[32]; for (i = 0; i < XTEA_NUM_TESTS; i++) { av_xtea_init(&ctx, xtea_test_key[i]); test_xtea(&ctx, buf, xtea_test_pt[i], xtea_test_ct[i], 1, NULL, 0, "encryption"); test_xtea(&ctx, buf, xtea_test_ct[i], xtea_test_pt[i], 1, NULL, 1, "decryption"); + + /* encrypt */ + memcpy(iv, "HALLO123", 8); + av_xtea_crypt(&ctx, ct, src, 4, iv, 0); + + /* decrypt into pl */ + memcpy(iv, "HALLO123", 8); + test_xtea(&ctx, pl, ct, src, 4, iv, 1, "CBC decryption"); + + memcpy(iv, "HALLO123", 8); + test_xtea(&ctx, ct, ct, src, 4, iv, 1, "CBC inplace decryption"); } printf("Test encryption/decryption success.\n"); |