diff options
Diffstat (limited to 'lib/auth/srp_kx.c')
| -rw-r--r-- | lib/auth/srp_kx.c | 183 |
1 files changed, 168 insertions, 15 deletions
diff --git a/lib/auth/srp_kx.c b/lib/auth/srp_kx.c index fd518fa238..0b92fe36ec 100644 --- a/lib/auth/srp_kx.c +++ b/lib/auth/srp_kx.c @@ -433,6 +433,7 @@ static const unsigned char srp_params_1024[] = { static const unsigned char srp_generator = 0x02; static const unsigned char srp3072_generator = 0x05; +static const unsigned char srp8192_generator = 19; const gnutls_datum_t gnutls_srp_1024_group_prime = { (void *) srp_params_1024, sizeof(srp_params_1024) @@ -665,24 +666,176 @@ const gnutls_datum_t gnutls_srp_4096_group_prime = { (void *) srp_params_4096, sizeof(srp_params_4096) }; +static const unsigned char srp_params_8192[] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34, + 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, + 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, + 0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x13, 0x9B, 0x22, + 0x51, 0x4A, 0x08, 0x79, 0x8E, 0x34, 0x04, 0xDD, + 0xEF, 0x95, 0x19, 0xB3, 0xCD, 0x3A, 0x43, 0x1B, + 0x30, 0x2B, 0x0A, 0x6D, 0xF2, 0x5F, 0x14, 0x37, + 0x4F, 0xE1, 0x35, 0x6D, 0x6D, 0x51, 0xC2, 0x45, + 0xE4, 0x85, 0xB5, 0x76, 0x62, 0x5E, 0x7E, 0xC6, + 0xF4, 0x4C, 0x42, 0xE9, 0xA6, 0x37, 0xED, 0x6B, + 0x0B, 0xFF, 0x5C, 0xB6, 0xF4, 0x06, 0xB7, 0xED, + 0xEE, 0x38, 0x6B, 0xFB, 0x5A, 0x89, 0x9F, 0xA5, + 0xAE, 0x9F, 0x24, 0x11, 0x7C, 0x4B, 0x1F, 0xE6, + 0x49, 0x28, 0x66, 0x51, 0xEC, 0xE4, 0x5B, 0x3D, + 0xC2, 0x00, 0x7C, 0xB8, 0xA1, 0x63, 0xBF, 0x05, + 0x98, 0xDA, 0x48, 0x36, 0x1C, 0x55, 0xD3, 0x9A, + 0x69, 0x16, 0x3F, 0xA8, 0xFD, 0x24, 0xCF, 0x5F, + 0x83, 0x65, 0x5D, 0x23, 0xDC, 0xA3, 0xAD, 0x96, + 0x1C, 0x62, 0xF3, 0x56, 0x20, 0x85, 0x52, 0xBB, + 0x9E, 0xD5, 0x29, 0x07, 0x70, 0x96, 0x96, 0x6D, + 0x67, 0x0C, 0x35, 0x4E, 0x4A, 0xBC, 0x98, 0x04, + 0xF1, 0x74, 0x6C, 0x08, 0xCA, 0x18, 0x21, 0x7C, + 0x32, 0x90, 0x5E, 0x46, 0x2E, 0x36, 0xCE, 0x3B, + 0xE3, 0x9E, 0x77, 0x2C, 0x18, 0x0E, 0x86, 0x03, + 0x9B, 0x27, 0x83, 0xA2, 0xEC, 0x07, 0xA2, 0x8F, + 0xB5, 0xC5, 0x5D, 0xF0, 0x6F, 0x4C, 0x52, 0xC9, + 0xDE, 0x2B, 0xCB, 0xF6, 0x95, 0x58, 0x17, 0x18, + 0x39, 0x95, 0x49, 0x7C, 0xEA, 0x95, 0x6A, 0xE5, + 0x15, 0xD2, 0x26, 0x18, 0x98, 0xFA, 0x05, 0x10, + 0x15, 0x72, 0x8E, 0x5A, 0x8A, 0xAA, 0xC4, 0x2D, + 0xAD, 0x33, 0x17, 0x0D, 0x04, 0x50, 0x7A, 0x33, + 0xA8, 0x55, 0x21, 0xAB, 0xDF, 0x1C, 0xBA, 0x64, + 0xEC, 0xFB, 0x85, 0x04, 0x58, 0xDB, 0xEF, 0x0A, + 0x8A, 0xEA, 0x71, 0x57, 0x5D, 0x06, 0x0C, 0x7D, + 0xB3, 0x97, 0x0F, 0x85, 0xA6, 0xE1, 0xE4, 0xC7, + 0xAB, 0xF5, 0xAE, 0x8C, 0xDB, 0x09, 0x33, 0xD7, + 0x1E, 0x8C, 0x94, 0xE0, 0x4A, 0x25, 0x61, 0x9D, + 0xCE, 0xE3, 0xD2, 0x26, 0x1A, 0xD2, 0xEE, 0x6B, + 0xF1, 0x2F, 0xFA, 0x06, 0xD9, 0x8A, 0x08, 0x64, + 0xD8, 0x76, 0x02, 0x73, 0x3E, 0xC8, 0x6A, 0x64, + 0x52, 0x1F, 0x2B, 0x18, 0x17, 0x7B, 0x20, 0x0C, + 0xBB, 0xE1, 0x17, 0x57, 0x7A, 0x61, 0x5D, 0x6C, + 0x77, 0x09, 0x88, 0xC0, 0xBA, 0xD9, 0x46, 0xE2, + 0x08, 0xE2, 0x4F, 0xA0, 0x74, 0xE5, 0xAB, 0x31, + 0x43, 0xDB, 0x5B, 0xFC, 0xE0, 0xFD, 0x10, 0x8E, + 0x4B, 0x82, 0xD1, 0x20, 0xA9, 0x21, 0x08, 0x01, + 0x1A, 0x72, 0x3C, 0x12, 0xA7, 0x87, 0xE6, 0xD7, + 0x88, 0x71, 0x9A, 0x10, 0xBD, 0xBA, 0x5B, 0x26, + 0x99, 0xC3, 0x27, 0x18, 0x6A, 0xF4, 0xE2, 0x3C, + 0x1A, 0x94, 0x68, 0x34, 0xB6, 0x15, 0x0B, 0xDA, + 0x25, 0x83, 0xE9, 0xCA, 0x2A, 0xD4, 0x4C, 0xE8, + 0xDB, 0xBB, 0xC2, 0xDB, 0x04, 0xDE, 0x8E, 0xF9, + 0x2E, 0x8E, 0xFC, 0x14, 0x1F, 0xBE, 0xCA, 0xA6, + 0x28, 0x7C, 0x59, 0x47, 0x4E, 0x6B, 0xC0, 0x5D, + 0x99, 0xB2, 0x96, 0x4F, 0xA0, 0x90, 0xC3, 0xA2, + 0x23, 0x3B, 0xA1, 0x86, 0x51, 0x5B, 0xE7, 0xED, + 0x1F, 0x61, 0x29, 0x70, 0xCE, 0xE2, 0xD7, 0xAF, + 0xB8, 0x1B, 0xDD, 0x76, 0x21, 0x70, 0x48, 0x1C, + 0xD0, 0x06, 0x91, 0x27, 0xD5, 0xB0, 0x5A, 0xA9, + 0x93, 0xB4, 0xEA, 0x98, 0x8D, 0x8F, 0xDD, 0xC1, + 0x86, 0xFF, 0xB7, 0xDC, 0x90, 0xA6, 0xC0, 0x8F, + 0x4D, 0xF4, 0x35, 0xC9, 0x34, 0x02, 0x84, 0x92, + 0x36, 0xC3, 0xFA, 0xB4, 0xD2, 0x7C, 0x70, 0x26, + 0xC1, 0xD4, 0xDC, 0xB2, 0x60, 0x26, 0x46, 0xDE, + 0xC9, 0x75, 0x1E, 0x76, 0x3D, 0xBA, 0x37, 0xBD, + 0xF8, 0xFF, 0x94, 0x06, 0xAD, 0x9E, 0x53, 0x0E, + 0xE5, 0xDB, 0x38, 0x2F, 0x41, 0x30, 0x01, 0xAE, + 0xB0, 0x6A, 0x53, 0xED, 0x90, 0x27, 0xD8, 0x31, + 0x17, 0x97, 0x27, 0xB0, 0x86, 0x5A, 0x89, 0x18, + 0xDA, 0x3E, 0xDB, 0xEB, 0xCF, 0x9B, 0x14, 0xED, + 0x44, 0xCE, 0x6C, 0xBA, 0xCE, 0xD4, 0xBB, 0x1B, + 0xDB, 0x7F, 0x14, 0x47, 0xE6, 0xCC, 0x25, 0x4B, + 0x33, 0x20, 0x51, 0x51, 0x2B, 0xD7, 0xAF, 0x42, + 0x6F, 0xB8, 0xF4, 0x01, 0x37, 0x8C, 0xD2, 0xBF, + 0x59, 0x83, 0xCA, 0x01, 0xC6, 0x4B, 0x92, 0xEC, + 0xF0, 0x32, 0xEA, 0x15, 0xD1, 0x72, 0x1D, 0x03, + 0xF4, 0x82, 0xD7, 0xCE, 0x6E, 0x74, 0xFE, 0xF6, + 0xD5, 0x5E, 0x70, 0x2F, 0x46, 0x98, 0x0C, 0x82, + 0xB5, 0xA8, 0x40, 0x31, 0x90, 0x0B, 0x1C, 0x9E, + 0x59, 0xE7, 0xC9, 0x7F, 0xBE, 0xC7, 0xE8, 0xF3, + 0x23, 0xA9, 0x7A, 0x7E, 0x36, 0xCC, 0x88, 0xBE, + 0x0F, 0x1D, 0x45, 0xB7, 0xFF, 0x58, 0x5A, 0xC5, + 0x4B, 0xD4, 0x07, 0xB2, 0x2B, 0x41, 0x54, 0xAA, + 0xCC, 0x8F, 0x6D, 0x7E, 0xBF, 0x48, 0xE1, 0xD8, + 0x14, 0xCC, 0x5E, 0xD2, 0x0F, 0x80, 0x37, 0xE0, + 0xA7, 0x97, 0x15, 0xEE, 0xF2, 0x9B, 0xE3, 0x28, + 0x06, 0xA1, 0xD5, 0x8B, 0xB7, 0xC5, 0xDA, 0x76, + 0xF5, 0x50, 0xAA, 0x3D, 0x8A, 0x1F, 0xBF, 0xF0, + 0xEB, 0x19, 0xCC, 0xB1, 0xA3, 0x13, 0xD5, 0x5C, + 0xDA, 0x56, 0xC9, 0xEC, 0x2E, 0xF2, 0x96, 0x32, + 0x38, 0x7F, 0xE8, 0xD7, 0x6E, 0x3C, 0x04, 0x68, + 0x04, 0x3E, 0x8F, 0x66, 0x3F, 0x48, 0x60, 0xEE, + 0x12, 0xBF, 0x2D, 0x5B, 0x0B, 0x74, 0x74, 0xD6, + 0xE6, 0x94, 0xF9, 0x1E, 0x6D, 0xBE, 0x11, 0x59, + 0x74, 0xA3, 0x92, 0x6F, 0x12, 0xFE, 0xE5, 0xE4, + 0x38, 0x77, 0x7C, 0xB6, 0xA9, 0x32, 0xDF, 0x8C, + 0xD8, 0xBE, 0xC4, 0xD0, 0x73, 0xB9, 0x31, 0xBA, + 0x3B, 0xC8, 0x32, 0xB6, 0x8D, 0x9D, 0xD3, 0x00, + 0x74, 0x1F, 0xA7, 0xBF, 0x8A, 0xFC, 0x47, 0xED, + 0x25, 0x76, 0xF6, 0x93, 0x6B, 0xA4, 0x24, 0x66, + 0x3A, 0xAB, 0x63, 0x9C, 0x5A, 0xE4, 0xF5, 0x68, + 0x34, 0x23, 0xB4, 0x74, 0x2B, 0xF1, 0xC9, 0x78, + 0x23, 0x8F, 0x16, 0xCB, 0xE3, 0x9D, 0x65, 0x2D, + 0xE3, 0xFD, 0xB8, 0xBE, 0xFC, 0x84, 0x8A, 0xD9, + 0x22, 0x22, 0x2E, 0x04, 0xA4, 0x03, 0x7C, 0x07, + 0x13, 0xEB, 0x57, 0xA8, 0x1A, 0x23, 0xF0, 0xC7, + 0x34, 0x73, 0xFC, 0x64, 0x6C, 0xEA, 0x30, 0x6B, + 0x4B, 0xCB, 0xC8, 0x86, 0x2F, 0x83, 0x85, 0xDD, + 0xFA, 0x9D, 0x4B, 0x7F, 0xA2, 0xC0, 0x87, 0xE8, + 0x79, 0x68, 0x33, 0x03, 0xED, 0x5B, 0xDD, 0x3A, + 0x06, 0x2B, 0x3C, 0xF5, 0xB3, 0xA2, 0x78, 0xA6, + 0x6D, 0x2A, 0x13, 0xF8, 0x3F, 0x44, 0xF8, 0x2D, + 0xDF, 0x31, 0x0E, 0xE0, 0x74, 0xAB, 0x6A, 0x36, + 0x45, 0x97, 0xE8, 0x99, 0xA0, 0x25, 0x5D, 0xC1, + 0x64, 0xF3, 0x1C, 0xC5, 0x08, 0x46, 0x85, 0x1D, + 0xF9, 0xAB, 0x48, 0x19, 0x5D, 0xED, 0x7E, 0xA1, + 0xB1, 0xD5, 0x10, 0xBD, 0x7E, 0xE7, 0x4D, 0x73, + 0xFA, 0xF3, 0x6B, 0xC3, 0x1E, 0xCF, 0xA2, 0x68, + 0x35, 0x90, 0x46, 0xF4, 0xEB, 0x87, 0x9F, 0x92, + 0x40, 0x09, 0x43, 0x8B, 0x48, 0x1C, 0x6C, 0xD7, + 0x88, 0x9A, 0x00, 0x2E, 0xD5, 0xEE, 0x38, 0x2B, + 0xC9, 0x19, 0x0D, 0xA6, 0xFC, 0x02, 0x6E, 0x47, + 0x95, 0x58, 0xE4, 0x47, 0x56, 0x77, 0xE9, 0xAA, + 0x9E, 0x30, 0x50, 0xE2, 0x76, 0x56, 0x94, 0xDF, + 0xC8, 0x1F, 0x56, 0xE8, 0x80, 0xB9, 0x6E, 0x71, + 0x60, 0xC9, 0x80, 0xDD, 0x98, 0xED, 0xD3, 0xDF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF +}; + +const gnutls_datum_t gnutls_srp_8192_group_prime = { + (void *) srp_params_8192, sizeof(srp_params_8192) +}; + +const gnutls_datum_t gnutls_srp_8192_group_generator = { + (void *) &srp8192_generator, sizeof(srp8192_generator) +}; + /* Check if G and N are parameters from the SRP draft. */ static int check_g_n(const uint8_t * g, size_t n_g, const uint8_t * n, size_t n_n) { - if ((n_n == sizeof(srp_params_3072) && - memcmp(srp_params_3072, n, n_n) == 0) || - (n_n == sizeof(srp_params_4096) && - memcmp(srp_params_4096, n, n_n) == 0)) { - if (n_g != 1 || g[0] != srp3072_generator) { - return - gnutls_assert_val - (GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); - } - return 0; + if (n_n == sizeof(srp_params_8192)) { + if (memcmp(srp_params_8192, n, n_n) == 0 && + n_g == 1 && g[0] == srp8192_generator) + return 0; + return + gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + } + + if (n_n == sizeof(srp_params_4096)) { + if (memcmp(srp_params_4096, n, n_n) == 0 && + n_g == 1 && g[0] == srp3072_generator) + return 0; + return + gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); + } + + if (n_n == sizeof(srp_params_3072)) { + if (memcmp(srp_params_3072, n, n_n) == 0 && + n_g == 1 && g[0] == srp3072_generator) + return 0; + return + gnutls_assert_val(GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER); } + /* 2048, 1536 and 1024 */ if (n_g != 1 || g[0] != srp_generator) { gnutls_assert(); return GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER; @@ -707,7 +860,7 @@ check_g_n(const uint8_t * g, size_t n_g, const uint8_t * n, size_t n_n) return GNUTLS_E_RECEIVED_ILLEGAL_PARAMETER; } -/* receive the key exchange message ( n, g, s, B) +/* receive the key exchange message ( n, g, s, B) */ int _gnutls_proc_srp_server_kx(gnutls_session_t session, uint8_t * data, @@ -760,7 +913,7 @@ _gnutls_proc_srp_server_kx(gnutls_session_t session, uint8_t * data, i = 0; - /* Read N + /* Read N */ DECR_LEN(data_size, 2); n_n = _gnutls_read_uint16(&data[i]); @@ -770,7 +923,7 @@ _gnutls_proc_srp_server_kx(gnutls_session_t session, uint8_t * data, data_n = &data[i]; i += n_n; - /* Read G + /* Read G */ DECR_LEN(data_size, 2); n_g = _gnutls_read_uint16(&data[i]); @@ -780,7 +933,7 @@ _gnutls_proc_srp_server_kx(gnutls_session_t session, uint8_t * data, data_g = &data[i]; i += n_g; - /* Read salt + /* Read salt */ DECR_LEN(data_size, 1); n_s = data[i]; @@ -790,7 +943,7 @@ _gnutls_proc_srp_server_kx(gnutls_session_t session, uint8_t * data, data_s = &data[i]; i += n_s; - /* Read B + /* Read B */ DECR_LEN(data_size, 2); n_b = _gnutls_read_uint16(&data[i]); |