diff options
author | Martin Storsjö <martin@martin.st> | 2013-01-15 15:07:44 +0200 |
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committer | Martin Storsjö <martin@martin.st> | 2013-01-15 23:18:08 +0200 |
commit | c2603aa25b75318df94d400eb60557123fa42a75 (patch) | |
tree | 840053bdf78ebd05330a6dd730392ac00bd25d19 /libavformat | |
parent | 3130fa51a5d6f3fd5dc08df7649d902d0eea382e (diff) | |
download | ffmpeg-c2603aa25b75318df94d400eb60557123fa42a75.tar.gz |
lavf: Add a fate test for the SRTP functions
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/Makefile | 1 | ||||
-rw-r--r-- | libavformat/srtp.c | 129 |
2 files changed, 130 insertions, 0 deletions
diff --git a/libavformat/Makefile b/libavformat/Makefile index 1f008a9255..111380a021 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -379,6 +379,7 @@ EXAMPLES = metadata \ output \ TESTPROGS = seek \ + srtp \ url \ TOOLS = aviocat \ diff --git a/libavformat/srtp.c b/libavformat/srtp.c index 6c589b0354..de48c1461a 100644 --- a/libavformat/srtp.c +++ b/libavformat/srtp.c @@ -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 */ |