Commit c2603aa2 authored by Martin Storsjö's avatar Martin Storsjö
Browse files

lavf: Add a fate test for the SRTP functions


Signed-off-by: default avatarMartin Storsjö <martin@martin.st>
parent 3130fa51
......@@ -379,6 +379,7 @@ EXAMPLES = metadata \
output \
TESTPROGS = seek \
srtp \
url \
TOOLS = aviocat \
......
......@@ -291,3 +291,132 @@ int ff_srtp_encrypt(struct SRTPContext *s, const uint8_t *in, int len,
len += s->hmac_size;
return buf + len - out;
}
#ifdef TEST
#include <stdio.h>
static const char *aes128_80_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmn";
static const uint8_t rtp_aes128_80[] = {
// RTP header
0x80, 0xe0, 0x12, 0x34,
0x12, 0x34, 0x56, 0x78,
0x12, 0x34, 0x56, 0x78,
// encrypted payload
0x62, 0x69, 0x76, 0xca, 0xc5,
// HMAC
0xa1, 0xac, 0x1b, 0xb4, 0xa0, 0x1c, 0xd5, 0x49, 0x28, 0x99,
};
static const uint8_t rtcp_aes128_80[] = {
// RTCP header
0x81, 0xc9, 0x00, 0x07,
0x12, 0x34, 0x56, 0x78,
// encrypted payload
0x8a, 0xac, 0xdc, 0xa5,
0x4c, 0xf6, 0x78, 0xa6,
0x62, 0x8f, 0x24, 0xda,
0x6c, 0x09, 0x3f, 0xa9,
0x28, 0x7a, 0xb5, 0x7f,
0x1f, 0x0f, 0xc9, 0x35,
// RTCP index
0x80, 0x00, 0x00, 0x03,
// HMAC
0xe9, 0x3b, 0xc0, 0x5c, 0x0c, 0x06, 0x9f, 0xab, 0xc0, 0xde,
};
static const char *aes128_32_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmn";
static const uint8_t rtp_aes128_32[] = {
// RTP header
0x80, 0xe0, 0x12, 0x34,
0x12, 0x34, 0x56, 0x78,
0x12, 0x34, 0x56, 0x78,
// encrypted payload
0x62, 0x69, 0x76, 0xca, 0xc5,
// HMAC
0xa1, 0xac, 0x1b, 0xb4,
};
static const uint8_t rtcp_aes128_32[] = {
// RTCP header
0x81, 0xc9, 0x00, 0x07,
0x12, 0x34, 0x56, 0x78,
// encrypted payload
0x35, 0xe9, 0xb5, 0xff,
0x0d, 0xd1, 0xde, 0x70,
0x74, 0x10, 0xaa, 0x1b,
0xb2, 0x8d, 0xf0, 0x20,
0x02, 0x99, 0x6b, 0x1b,
0x0b, 0xd0, 0x47, 0x34,
// RTCP index
0x80, 0x00, 0x00, 0x04,
// HMAC
0x5b, 0xd2, 0xa9, 0x9d,
};
static void print_data(const uint8_t *buf, int len)
{
int i;
for (i = 0; i < len; i++)
printf("%02x", buf[i]);
printf("\n");
}
static int test_decrypt(struct SRTPContext *srtp, const uint8_t *in, int len,
uint8_t *out)
{
memcpy(out, in, len);
if (!ff_srtp_decrypt(srtp, out, &len)) {
print_data(out, len);
return len;
} else
return -1;
}
static void test_encrypt(const uint8_t *data, int in_len, const char *suite,
const char *key)
{
struct SRTPContext enc = { 0 }, dec = { 0 };
int len;
char buf[1500];
ff_srtp_set_crypto(&enc, suite, key);
ff_srtp_set_crypto(&dec, suite, key);
len = ff_srtp_encrypt(&enc, data, in_len, buf, sizeof(buf));
if (!ff_srtp_decrypt(&dec, buf, &len)) {
if (len == in_len && !memcmp(buf, data, len))
printf("Decrypted content matches input\n");
else
printf("Decrypted content doesn't match input\n");
} else {
printf("Decryption failed\n");
}
ff_srtp_free(&enc);
ff_srtp_free(&dec);
}
int main(void)
{
static const char *aes128_80_suite = "AES_CM_128_HMAC_SHA1_80";
static const char *aes128_32_suite = "AES_CM_128_HMAC_SHA1_32";
static const char *test_key = "abcdefghijklmnopqrstuvwxyz1234567890ABCD";
uint8_t buf[1500];
struct SRTPContext srtp = { 0 };
int len;
ff_srtp_set_crypto(&srtp, aes128_80_suite, aes128_80_key);
len = test_decrypt(&srtp, rtp_aes128_80, sizeof(rtp_aes128_80), buf);
test_encrypt(buf, len, aes128_80_suite, test_key);
test_encrypt(buf, len, aes128_32_suite, test_key);
test_decrypt(&srtp, rtcp_aes128_80, sizeof(rtcp_aes128_80), buf);
test_encrypt(buf, len, aes128_80_suite, test_key);
test_encrypt(buf, len, aes128_32_suite, test_key);
ff_srtp_free(&srtp);
memset(&srtp, 0, sizeof(srtp)); // Clear the context
ff_srtp_set_crypto(&srtp, aes128_32_suite, aes128_32_key);
test_decrypt(&srtp, rtp_aes128_32, sizeof(rtp_aes128_32), buf);
test_decrypt(&srtp, rtcp_aes128_32, sizeof(rtcp_aes128_32), buf);
ff_srtp_free(&srtp);
return 0;
}
#endif /* TEST */
FATE_LIBAVFORMAT += fate-srtp
fate-srtp: libavformat/srtp-test$(EXESUF)
fate-srtp: CMD = run libavformat/srtp-test
FATE_LIBAVFORMAT += fate-url
fate-url: libavformat/url-test$(EXESUF)
fate-url: CMD = run libavformat/url-test
......
80e0123412345678123456780102030405
Decrypted content matches input
Decrypted content matches input
81c90007123456788765432100000000000012340000069ec73069ba000001fd
Decrypted content matches input
Decrypted content matches input
80e0123412345678123456780102030405
81c90007123456788765432100000000000012340000069ec73069ba000001fd
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