From: Michael Niedermayer <[email protected]>
Based on test code by: Giorgio Vazzana <[email protected]>
---
libavutil/xtea.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/libavutil/xtea.c b/libavutil/xtea.c
index 41aed2b..bb1bf9e 100644
--- a/libavutil/xtea.c
+++ b/libavutil/xtea.c
@@ -149,8 +149,11 @@ 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);\
@@ -165,6 +168,16 @@ 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");
--
1.7.9.4
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