/* $OpenBSD: exportertest.c,v 1.4 2024/03/01 03:46:54 tb Exp $ */
/*
 * Copyright (c) 2022 Joel Sing <jsing@openbsd.org>
 *
 * 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 <openssl/err.h>
#include <openssl/ssl.h>

#include <err.h>
#include <stdio.h>
#include <string.h>

#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];
        unsigned char id[2];
        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;
        id[0] = (et->cipher_id >> 8) & 0xff;
        id[1] = et->cipher_id & 0xff;
        ssl->s3->hs.cipher = SSL_CIPHER_find(ssl, 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);
}