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xtea-test: test inplace decryption

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Based on test code by: Giorgio Vazzana <mywing81@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-09-30 17:36:01 +02:00
parent 8c3ee93be5
commit a4dcdd04d7
1 changed files with 15 additions and 1 deletions
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16
libavutil/xtea.c
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@@ -231,8 +231,11 @@ static const uint8_t xtea_test_ct[XTEA_NUM_TESTS][8] = {
int main(void) int main(void)
{ {
AVXTEA ctx; AVXTEA ctx;
uint8_t buf[8]; uint8_t buf[8], iv[8];
int i; 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) \ #define CHECK(dst, src, ref, len, iv, dir, error) \
av_xtea_crypt(&ctx, dst, src, len, iv, dir);\ 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_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"); 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"); printf("Test encryption/decryption success.\n");
return 0; return 0;