static void rtmpe8_sig(const uint8_t *in, uint8_t *out, int key_id)
{
struct AVXTEA ctx;
av_xtea_init(&ctx, rtmpe8_keys[key_id]);
av_xtea_crypt(&ctx, out, in, 1, NULL, 0);
}
static void rtmpe8_sig(const uint8_t *in, uint8_t *out, int key_id)
{
struct AVXTEA ctx;
uint8_t tmpbuf[8];
av_xtea_init(&ctx, rtmpe8_keys[key_id]);
AV_WB32(tmpbuf, AV_RL32(in));
AV_WB32(tmpbuf + 4, AV_RL32(in + 4));
av_xtea_crypt(&ctx, tmpbuf, tmpbuf, 1, NULL, 0);
AV_WL32(out, AV_RB32(tmpbuf));
AV_WL32(out + 4, AV_RB32(tmpbuf + 4));
}
int main(void)
{
AVXTEA ctx;
uint8_t buf[16], iv[8];
int i, j;
static 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", av_xtea_crypt);
test_xtea(&ctx, buf, xtea_test_ct[i], xtea_test_pt[i], 1, NULL, 1, "decryption", av_xtea_crypt);
for (j = 0; j < 4; j++)
AV_WL32(&buf[4*j], AV_RB32(&xtea_test_key[i][4*j]));
av_xtea_le_init(&ctx, buf);
for (j = 0; j < 2; j++) {
AV_WL32(&ct[4*j], AV_RB32(&xtea_test_ct[i][4*j]));
AV_WL32(&pl[4*j], AV_RB32(&xtea_test_pt[i][4*j]));
}
test_xtea(&ctx, buf, pl, ct, 1, NULL, 0, "encryption", av_xtea_le_crypt);
test_xtea(&ctx, buf, ct, pl, 1, NULL, 1, "decryption", av_xtea_le_crypt);
/* 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", av_xtea_crypt);
memcpy(iv, "HALLO123", 8);
test_xtea(&ctx, ct, ct, src, 4, iv, 1, "CBC inplace decryption", av_xtea_crypt);
}
printf("Test encryption/decryption success.\n");
return 0;
}