From 063f7467e4d14ab7fe01b2845dab60cc75df8b53 Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Thu, 28 May 2015 10:54:11 +0300 Subject: rtmpdh: Add fate test for the DH handshake routine MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This helps if these functions need to be implemented using another crypto API. Signed-off-by: Martin Storsjö --- libavformat/rtmpdh.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) (limited to 'libavformat/rtmpdh.c') diff --git a/libavformat/rtmpdh.c b/libavformat/rtmpdh.c index f328e68fbf..c29b563d72 100644 --- a/libavformat/rtmpdh.c +++ b/libavformat/rtmpdh.c @@ -157,6 +157,8 @@ static int dh_compute_key(FF_DH *dh, FFBigNum pub_key_bn, void ff_dh_free(FF_DH *dh) { + if (!dh) + return; bn_free(dh->p); bn_free(dh->g); bn_free(dh->pub_key); @@ -200,6 +202,8 @@ static int dh_compute_key(FF_DH *dh, FFBigNum pub_key_bn, void ff_dh_free(FF_DH *dh) { + if (!dh) + return; DH_free(dh); } #endif @@ -347,3 +351,141 @@ fail: return ret; } +#ifdef TEST +static int test_random_shared_secret(void) +{ + FF_DH *peer1 = NULL, *peer2 = NULL; + int ret; + uint8_t pubkey1[128], pubkey2[128]; + uint8_t sharedkey1[128], sharedkey2[128]; + + peer1 = ff_dh_init(1024); + peer2 = ff_dh_init(1024); + if (!peer1 || !peer2) { + ret = AVERROR(ENOMEM); + goto fail; + } + if ((ret = ff_dh_generate_public_key(peer1)) < 0) + goto fail; + if ((ret = ff_dh_generate_public_key(peer2)) < 0) + goto fail; + if ((ret = ff_dh_write_public_key(peer1, pubkey1, sizeof(pubkey1))) < 0) + goto fail; + if ((ret = ff_dh_write_public_key(peer2, pubkey2, sizeof(pubkey2))) < 0) + goto fail; + if ((ret = ff_dh_compute_shared_secret_key(peer1, pubkey2, sizeof(pubkey2), + sharedkey1, sizeof(sharedkey1))) < 0) + goto fail; + if ((ret = ff_dh_compute_shared_secret_key(peer2, pubkey1, sizeof(pubkey1), + sharedkey2, sizeof(sharedkey2))) < 0) + goto fail; + if (memcmp(sharedkey1, sharedkey2, sizeof(sharedkey1))) { + printf("Mismatched generated shared key\n"); + ret = AVERROR_INVALIDDATA; + } else { + printf("Generated shared key ok\n"); + } +fail: + ff_dh_free(peer1); + ff_dh_free(peer2); + return ret; +} + +static const char *private_key = + "976C18FCADC255B456564F74F3EEDA59D28AF6B744D743F2357BFD2404797EF896EF1A" + "7C1CBEAAA3AB60AF3192D189CFF3F991C9CBBFD78119FCA2181384B94011943B6D6F28" + "9E1B708E2D1A0C7771169293F03DA27E561F15F16F0AC9BC858C77A80FA98FD088A232" + "19D08BE6F165DE0B02034B18705829FAD0ACB26A5B75EF"; +static const char *public_key = + "F272ECF8362257C5D2C3CC2229CF9C0A03225BC109B1DBC76A68C394F256ACA3EF5F64" + "FC270C26382BF315C19E97A76104A716FC998A651E8610A3AE6CF65D8FAE5D3F32EEA0" + "0B32CB9609B494116A825D7142D17B88E3D20EDD98743DE29CF37A23A9F6A58B960591" + "3157D5965FCB46DDA73A1F08DD897BAE88DFE6FC937CBA"; +static const uint8_t public_key_bin[] = { + 0xf2, 0x72, 0xec, 0xf8, 0x36, 0x22, 0x57, 0xc5, 0xd2, 0xc3, 0xcc, 0x22, + 0x29, 0xcf, 0x9c, 0x0a, 0x03, 0x22, 0x5b, 0xc1, 0x09, 0xb1, 0xdb, 0xc7, + 0x6a, 0x68, 0xc3, 0x94, 0xf2, 0x56, 0xac, 0xa3, 0xef, 0x5f, 0x64, 0xfc, + 0x27, 0x0c, 0x26, 0x38, 0x2b, 0xf3, 0x15, 0xc1, 0x9e, 0x97, 0xa7, 0x61, + 0x04, 0xa7, 0x16, 0xfc, 0x99, 0x8a, 0x65, 0x1e, 0x86, 0x10, 0xa3, 0xae, + 0x6c, 0xf6, 0x5d, 0x8f, 0xae, 0x5d, 0x3f, 0x32, 0xee, 0xa0, 0x0b, 0x32, + 0xcb, 0x96, 0x09, 0xb4, 0x94, 0x11, 0x6a, 0x82, 0x5d, 0x71, 0x42, 0xd1, + 0x7b, 0x88, 0xe3, 0xd2, 0x0e, 0xdd, 0x98, 0x74, 0x3d, 0xe2, 0x9c, 0xf3, + 0x7a, 0x23, 0xa9, 0xf6, 0xa5, 0x8b, 0x96, 0x05, 0x91, 0x31, 0x57, 0xd5, + 0x96, 0x5f, 0xcb, 0x46, 0xdd, 0xa7, 0x3a, 0x1f, 0x08, 0xdd, 0x89, 0x7b, + 0xae, 0x88, 0xdf, 0xe6, 0xfc, 0x93, 0x7c, 0xba +}; +static const uint8_t peer_public_key[] = { + 0x58, 0x66, 0x05, 0x49, 0x94, 0x23, 0x2b, 0x66, 0x52, 0x13, 0xff, 0x46, + 0xf2, 0xb3, 0x79, 0xa9, 0xee, 0xae, 0x1a, 0x13, 0xf0, 0x71, 0x52, 0xfb, + 0x93, 0x4e, 0xee, 0x97, 0x05, 0x73, 0x50, 0x7d, 0xaf, 0x02, 0x07, 0x72, + 0xac, 0xdc, 0xa3, 0x95, 0x78, 0xee, 0x9a, 0x19, 0x71, 0x7e, 0x99, 0x9f, + 0x2a, 0xd4, 0xb3, 0xe2, 0x0c, 0x1d, 0x1a, 0x78, 0x4c, 0xde, 0xf1, 0xad, + 0xb4, 0x60, 0xa8, 0x51, 0xac, 0x71, 0xec, 0x86, 0x70, 0xa2, 0x63, 0x36, + 0x92, 0x7c, 0xe3, 0x87, 0xee, 0xe4, 0xf1, 0x62, 0x24, 0x74, 0xb4, 0x04, + 0xfa, 0x5c, 0xdf, 0xba, 0xfa, 0xa3, 0xc2, 0xbb, 0x62, 0x27, 0xd0, 0xf4, + 0xe4, 0x43, 0xda, 0x8a, 0x88, 0x69, 0x60, 0xe2, 0xdb, 0x75, 0x2a, 0x98, + 0x9d, 0xb5, 0x50, 0xe3, 0x99, 0xda, 0xe0, 0xa6, 0x14, 0xc9, 0x80, 0x12, + 0xf9, 0x3c, 0xac, 0x06, 0x02, 0x7a, 0xde, 0x74 +}; +static const uint8_t shared_secret[] = { + 0xb2, 0xeb, 0xcb, 0x71, 0xf3, 0x61, 0xfb, 0x5b, 0x4e, 0x5c, 0x4c, 0xcf, + 0x5c, 0x08, 0x5f, 0x96, 0x26, 0x77, 0x1d, 0x31, 0xf1, 0xe1, 0xf7, 0x4b, + 0x92, 0xac, 0x82, 0x2a, 0x88, 0xc7, 0x83, 0xe1, 0xc7, 0xf3, 0xd3, 0x1a, + 0x7d, 0xc8, 0x31, 0xe3, 0x97, 0xe4, 0xec, 0x31, 0x0e, 0x8f, 0x73, 0x1a, + 0xe4, 0xf6, 0xd8, 0xc8, 0x94, 0xff, 0xa0, 0x03, 0x84, 0x03, 0x0f, 0xa5, + 0x30, 0x5d, 0x67, 0xe0, 0x7a, 0x3b, 0x5f, 0xed, 0x4c, 0xf5, 0xbc, 0x18, + 0xea, 0xd4, 0x77, 0xa9, 0x07, 0xb3, 0x54, 0x0b, 0x02, 0xd9, 0xc6, 0xb8, + 0x66, 0x5e, 0xec, 0xa4, 0xcd, 0x47, 0xed, 0xc9, 0x38, 0xc6, 0x91, 0x08, + 0xf3, 0x85, 0x9b, 0x69, 0x16, 0x78, 0x0d, 0xb7, 0x74, 0x51, 0xaa, 0x5b, + 0x4d, 0x74, 0xe4, 0x29, 0x2e, 0x9e, 0x8e, 0xf7, 0xe5, 0x42, 0x83, 0xb0, + 0x65, 0xb0, 0xce, 0xc6, 0xb2, 0x8f, 0x5b, 0xb0 +}; + +static int test_ref_data(void) +{ + FF_DH *dh; + int ret = AVERROR(ENOMEM); + uint8_t pubkey_test[128]; + uint8_t sharedkey_test[128]; + + dh = ff_dh_init(1024); + if (!dh) + goto fail; + bn_hex2bn(dh->priv_key, private_key, ret); + if (!ret) + goto fail; + bn_hex2bn(dh->pub_key, public_key, ret); + if (!ret) + goto fail; + if ((ret = ff_dh_write_public_key(dh, pubkey_test, sizeof(pubkey_test))) < 0) + goto fail; + if (memcmp(pubkey_test, public_key_bin, sizeof(pubkey_test))) { + printf("Mismatched generated public key\n"); + ret = AVERROR_INVALIDDATA; + goto fail; + } else { + printf("Generated public key ok\n"); + } + if ((ret = ff_dh_compute_shared_secret_key(dh, peer_public_key, sizeof(peer_public_key), + sharedkey_test, sizeof(sharedkey_test))) < 0) + goto fail; + if (memcmp(shared_secret, sharedkey_test, sizeof(sharedkey_test))) { + printf("Mismatched generated shared key\n"); + ret = AVERROR_INVALIDDATA; + } else { + printf("Generated shared key ok\n"); + } +fail: + ff_dh_free(dh); + return ret; +} + +int main(void) +{ + if (test_random_shared_secret() < 0) + return 1; + if (test_ref_data() < 0) + return 1; + return 0; +} +#endif -- cgit v1.2.3