From a4dcdd04d7dc2fce0a0f683d361d6d4760a152f9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 30 Sep 2012 17:36:01 +0200 Subject: xtea-test: test inplace decryption Based on test code by: Giorgio Vazzana Signed-off-by: Michael Niedermayer --- libavutil/xtea.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/libavutil/xtea.c b/libavutil/xtea.c index f2dfe99a46..c952042531 100644 --- a/libavutil/xtea.c +++ b/libavutil/xtea.c @@ -231,8 +231,11 @@ static const uint8_t xtea_test_ct[XTEA_NUM_TESTS][8] = { 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]; #define CHECK(dst, src, ref, len, iv, dir, error) \ av_xtea_crypt(&ctx, dst, src, len, iv, dir);\ @@ -247,7 +250,18 @@ int main(void) CHECK(buf, xtea_test_pt[i], xtea_test_ct[i], 1, NULL, 0, "Test encryption failed.\n"); CHECK(buf, xtea_test_ct[i], xtea_test_pt[i], 1, NULL, 1, "Test decryption failed.\n"); + /* encrypt */ + memcpy(iv, "HALLO123", 8); + av_xtea_crypt(&ctx, ct, src, 4, iv, 0); + + /* decrypt into pl */ + memcpy(iv, "HALLO123", 8); + CHECK(pl, ct, src, 4, iv, 1, "Test IV decryption failed.\n"); + + memcpy(iv, "HALLO123", 8); + CHECK(ct, ct, src, 4, iv, 1, "Test IV inplace decryption failed.\n"); } + printf("Test encryption/decryption success.\n"); return 0; -- cgit v1.2.3