/* $OpenBSD: exportertest.c,v 1.3 2023/04/14 14:23:05 tb Exp $ */ /* * Copyright (c) 2022 Joel Sing * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include "ssl_local.h" static void hexdump(const unsigned char *buf, size_t len) { size_t i; for (i = 1; i <= len; i++) fprintf(stderr, " 0x%02hhx,%s", buf[i - 1], i % 8 ? "" : "\n"); fprintf(stderr, "\n"); } struct exporter_test { uint16_t tls_version; unsigned int cipher_id; const uint8_t *label; size_t label_len; const uint8_t context_value[64]; size_t context_value_len; int use_context; const uint8_t client_random[SSL3_RANDOM_SIZE]; const uint8_t server_random[SSL3_RANDOM_SIZE]; const uint8_t master_key[SSL_MAX_MASTER_KEY_LENGTH]; const uint8_t shared_key[64]; size_t shared_key_len; const uint8_t export[64]; size_t export_len; int want_error; }; static const struct exporter_test exporter_tests[] = { { /* Valid export, no context - 32 bytes. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "EXPERIMENTAL testing", .label_len = 20, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0x14, 0x08, 0x00, 0x9e, 0x6a, 0x67, 0x75, 0x4c, 0xc4, 0xf3, 0x51, 0x57, 0x2f, 0x75, 0x0b, 0xf8, 0x16, 0xfa, 0x61, 0x74, 0xd2, 0x12, 0x8f, 0x78, 0x77, 0xf9, 0x8a, 0x3e, 0x58, 0x70, 0xf3, 0xd8, }, .export_len = 32, }, { /* Valid export, no context - 32 bytes. */ .tls_version = TLS1_3_VERSION, .label = "EXPERIMENTAL testing", .label_len = 20, .use_context = 0, .shared_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .shared_key_len = 32, .export = { 0x69, 0xf4, 0xac, 0xec, 0x80, 0x67, 0xac, 0x5c, 0xa6, 0x24, 0x47, 0xb1, 0x0f, 0xc8, 0xa1, 0x13, 0x3b, 0x91, 0x33, 0x82, 0x97, 0x0a, 0xc0, 0xbf, 0xac, 0x6d, 0x6b, 0x34, 0x20, 0xd3, 0x3a, 0x02, }, .export_len = 32, }, { /* Valid export, no context - 64 bytes. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "EXPERIMENTAL testing", .label_len = 20, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0x14, 0x08, 0x00, 0x9e, 0x6a, 0x67, 0x75, 0x4c, 0xc4, 0xf3, 0x51, 0x57, 0x2f, 0x75, 0x0b, 0xf8, 0x16, 0xfa, 0x61, 0x74, 0xd2, 0x12, 0x8f, 0x78, 0x77, 0xf9, 0x8a, 0x3e, 0x58, 0x70, 0xf3, 0xd8, 0xe8, 0xd2, 0xb7, 0xcd, 0xbc, 0x37, 0xdf, 0x16, 0x12, 0xf1, 0xe8, 0xb2, 0x62, 0x79, 0x91, 0x45, 0x77, 0xe0, 0x68, 0x6d, 0xd5, 0x31, 0x54, 0x55, 0x22, 0x63, 0xc0, 0x36, 0x31, 0x07, 0xda, 0x33, }, .export_len = 64, }, { /* Valid export, no context - 64 bytes. */ .tls_version = TLS1_3_VERSION, .label = "EXPERIMENTAL testing", .label_len = 20, .use_context = 0, .shared_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .shared_key_len = 32, .export = { 0x77, 0x15, 0xe2, 0x07, 0x65, 0x64, 0x3b, 0x14, 0x38, 0xcb, 0x73, 0x93, 0xda, 0x70, 0xfa, 0x86, 0x2c, 0x34, 0xcc, 0x94, 0x52, 0xc2, 0xd3, 0xb4, 0x59, 0x2c, 0xc8, 0x05, 0x70, 0xfe, 0x48, 0x61, 0xd3, 0xea, 0x57, 0x66, 0xa9, 0x66, 0x2f, 0x4a, 0x35, 0xc9, 0x88, 0x86, 0x28, 0x52, 0xe3, 0x64, 0x5e, 0xf9, 0x28, 0x53, 0x8a, 0x3a, 0x92, 0x92, 0x40, 0x8c, 0x89, 0x17, 0x59, 0xd0, 0xd0, 0x82, }, .export_len = 64, }, { /* Valid export, zero length context - 32 bytes. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "EXPERIMENTAL testing", .label_len = 20, .context_value_len = 0, .use_context = 1, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0xdb, 0xc9, 0xdf, 0x7c, 0x04, 0x39, 0xdd, 0x23, 0xc3, 0x68, 0xdc, 0xf3, 0x04, 0xcf, 0x4c, 0x4d, 0x86, 0x5b, 0xe6, 0x48, 0xc5, 0x6d, 0xe5, 0x1e, 0xea, 0xc5, 0xe4, 0x00, 0x27, 0x72, 0xda, 0xb6, }, .export_len = 32, }, { /* Valid export, zero length context - 32 bytes. */ .tls_version = TLS1_3_VERSION, .label = "EXPERIMENTAL testing", .label_len = 20, .context_value_len = 0, .use_context = 1, .shared_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .shared_key_len = 32, .export = { 0x69, 0xf4, 0xac, 0xec, 0x80, 0x67, 0xac, 0x5c, 0xa6, 0x24, 0x47, 0xb1, 0x0f, 0xc8, 0xa1, 0x13, 0x3b, 0x91, 0x33, 0x82, 0x97, 0x0a, 0xc0, 0xbf, 0xac, 0x6d, 0x6b, 0x34, 0x20, 0xd3, 0x3a, 0x02, }, .export_len = 32, }, { /* Valid export, with context value - 32 bytes. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "EXPERIMENTAL testing", .label_len = 20, .context_value = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, }, .context_value_len = 16, .use_context = 1, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0x0e, 0xb4, 0xd1, 0x3a, 0x0e, 0x24, 0xab, 0x0d, 0x4c, 0x48, 0x35, 0x25, 0xf6, 0x4d, 0xa2, 0x9b, 0xaa, 0x1d, 0xbc, 0x54, 0x7e, 0xb0, 0x3c, 0x4b, 0x07, 0x04, 0x9c, 0x7c, 0x06, 0xa7, 0xea, 0x70, }, .export_len = 32, }, { /* Valid export, with context value - 32 bytes. */ .tls_version = TLS1_3_VERSION, .label = "EXPERIMENTAL testing", .label_len = 20, .context_value = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, }, .context_value_len = 16, .use_context = 1, .shared_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .shared_key_len = 32, .export = { 0x34, 0xb8, 0x00, 0x6a, 0xb2, 0x62, 0xab, 0xea, 0xc7, 0x2b, 0x15, 0xa0, 0x85, 0xda, 0xaa, 0xa5, 0x12, 0x85, 0xbf, 0x4a, 0xa4, 0x71, 0x42, 0xc8, 0xd4, 0xa6, 0x66, 0x18, 0xc6, 0xc9, 0x26, 0x6f, }, .export_len = 32, }, { /* Valid export, with different label - 32 bytes. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "EXPERIMENTAL more testing", .label_len = 20, .context_value = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, }, .context_value_len = 16, .use_context = 1, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0xb0, 0xb6, 0x45, 0xdd, 0x30, 0x76, 0xf0, 0x57, 0x22, 0x31, 0xbb, 0x8d, 0xe1, 0xf9, 0xe3, 0xed, 0xae, 0x74, 0x6f, 0x40, 0x94, 0xf6, 0xc2, 0xfc, 0x21, 0xff, 0xf7, 0x00, 0x86, 0x54, 0xb6, 0x06, }, .export_len = 32, }, { /* Valid export, with different label - 32 bytes. */ .tls_version = TLS1_3_VERSION, .label = "EXPERIMENTAL more testing", .label_len = 20, .context_value = { 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0, }, .context_value_len = 16, .use_context = 1, .shared_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .shared_key_len = 32, .export = { 0x18, 0x4e, 0x65, 0x3c, 0x91, 0x5d, 0x6a, 0xc3, 0x25, 0x38, 0xbe, 0x6e, 0xca, 0x12, 0x54, 0x76, 0x5a, 0x84, 0xf7, 0x19, 0x44, 0x78, 0xec, 0xc0, 0x83, 0xf6, 0x22, 0xb8, 0x86, 0x31, 0xe9, 0x2e, }, .export_len = 32, }, { /* Invalid - illegal label. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = TLS_MD_CLIENT_FINISH_CONST, .label_len = TLS_MD_CLIENT_FINISH_CONST_SIZE, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export_len = 32, .want_error = SSL_R_TLS_ILLEGAL_EXPORTER_LABEL, }, { /* Invalid - illegal label. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = TLS_MD_SERVER_FINISH_CONST, .label_len = TLS_MD_SERVER_FINISH_CONST_SIZE, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export_len = 32, .want_error = SSL_R_TLS_ILLEGAL_EXPORTER_LABEL, }, { /* Invalid - illegal label. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = TLS_MD_KEY_EXPANSION_CONST, .label_len = TLS_MD_KEY_EXPANSION_CONST_SIZE, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export_len = 32, .want_error = SSL_R_TLS_ILLEGAL_EXPORTER_LABEL, }, { /* Invalid - illegal label. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = TLS_MD_MASTER_SECRET_CONST, .label_len = TLS_MD_MASTER_SECRET_CONST_SIZE, .use_context = 0, .client_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export_len = 32, .want_error = SSL_R_TLS_ILLEGAL_EXPORTER_LABEL, }, { /* Invalid - illegal label, split over label and seed. */ .tls_version = TLS1_2_VERSION, .cipher_id = TLS1_CK_ECDHE_RSA_CHACHA20_POLY1305, .label = "master ", .label_len = 7, .use_context = 0, .client_random = { 's', 'e', 'c', 'r', 'e', 't', 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .server_random = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, }, .master_key = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, }, .export = { 0x40, 0x70, 0xba, 0xfa, 0xba, 0x44, 0x74, 0x93, 0xa2, 0x43, 0x18, 0x07, 0xa4, 0x4f, 0x3f, 0xda, 0x88, 0x7b, 0x0e, 0x79, 0x70, 0xcf, 0xdb, 0x91, 0xfc, 0x3f, 0x96, 0x78, 0x6b, 0x50, 0xe3, 0xa6, }, .export_len = 32, .want_error = SSL_R_TLS_ILLEGAL_EXPORTER_LABEL, }, }; #define N_EXPORTER_TESTS (sizeof(exporter_tests) / sizeof(exporter_tests[0])) static int exporter_test(size_t test_no, const struct exporter_test *et) { struct tls13_secret tls13_context = { .data = "", .len = 0 }; struct tls13_ctx *tls13_ctx; struct tls13_secrets *tls13_secrets; SSL_SESSION *ssl_session = NULL; SSL_CTX *ssl_ctx = NULL; SSL *ssl = NULL; uint8_t export[256]; int err, ret; int failed = 1; memset(export, 0, sizeof(export)); if ((ssl_ctx = SSL_CTX_new(TLS_method())) == NULL) { fprintf(stderr, "FAIL: SSL_CTX_new\n"); goto failure; } if ((ssl = SSL_new(ssl_ctx)) == NULL) { fprintf(stderr, "FAIL: SSL_new\n"); goto failure; } if ((ssl_session = SSL_SESSION_new()) == NULL) { fprintf(stderr, "FAIL: SSL_SESSION_new\n"); goto failure; } ssl_session->ssl_version = et->tls_version; if (!SSL_set_session(ssl, ssl_session)) { fprintf(stderr, "FAIL: SSL_set_session\n"); goto failure; } memcpy(ssl_session->master_key, et->master_key, sizeof(ssl_session->master_key)); memcpy(ssl->s3->client_random, et->client_random, sizeof(ssl->s3->client_random)); memcpy(ssl->s3->server_random, et->server_random, sizeof(ssl->s3->server_random)); if (et->tls_version >= TLS1_3_VERSION) { if ((tls13_ctx = tls13_ctx_new(TLS13_HS_CLIENT, ssl)) == NULL) { fprintf(stderr, "FAIL: tls13_ctx_new\n"); goto failure; } ssl->tls13 = tls13_ctx; if ((tls13_secrets = tls13_secrets_create(EVP_sha384(), 0)) == NULL) { fprintf(stderr, "FAIL: tls13_secrets_create\n"); goto failure; } ssl->s3->hs.tls13.secrets = tls13_secrets; if (!tls13_derive_early_secrets(tls13_secrets, tls13_secrets->zeros.data, tls13_secrets->zeros.len, &tls13_context)) { fprintf(stderr, "FAIL: tls13_derive_early_secrets\n"); goto failure; } if (!tls13_derive_handshake_secrets(tls13_secrets, et->shared_key, et->shared_key_len, &tls13_context)) { fprintf(stderr, "FAIL: tls13_derive_handshake_secrets\n"); goto failure; } if (!tls13_derive_application_secrets(tls13_secrets, &tls13_context)) { fprintf(stderr, "FAIL: tls13_derive_early_secrets\n"); goto failure; } tls13_ctx->handshake_completed = 1; } ssl->s3->hs.state = SSL_ST_OK; ssl->s3->hs.negotiated_tls_version = et->tls_version; ssl->s3->hs.cipher = SSL_CIPHER_get_by_id(et->cipher_id); ret = SSL_export_keying_material(ssl, export, et->export_len, et->label, et->label_len, et->context_value, et->context_value_len, et->use_context); if (et->want_error != 0) { if (ret) { fprintf(stderr, "FAIL: test %zu - " "SSL_export_keying_material() succeeded, want " "error\n", test_no); goto failure; } err = ERR_peek_error(); if (ERR_GET_REASON(err) != et->want_error) { fprintf(stderr, "FAIL: %zu - got error reason %d, " "want %d\n", test_no, ERR_GET_REASON(err), et->want_error); goto failure; } } else { if (!ret) { fprintf(stderr, "FAIL: test %zu - " "SSL_export_keying_material() failed\n", test_no); ERR_print_errors_fp(stderr); goto failure; } if (memcmp(et->export, export, et->export_len) != 0) { fprintf(stderr, "FAIL: test %zu\n", test_no); fprintf(stderr, "Got export:\n"); hexdump(export, et->export_len); fprintf(stderr, "Want export:\n"); hexdump(et->export, et->export_len); goto failure; } } failed = 0; failure: SSL_SESSION_free(ssl_session); SSL_CTX_free(ssl_ctx); SSL_free(ssl); return failed; } int main(int argc, char **argv) { int failed = 0; size_t i; for (i = 0; i < N_EXPORTER_TESTS; i++) failed |= exporter_test(i, &exporter_tests[i]); return (failed); }