/* Copyright (c) 2014, Google Inc.
 *
 * Permission to use, copy, modify, and/or 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 <gtest/gtest.h>

#include <openssl/bytestring.h>
#include <openssl/crypto.h>
#include <openssl/mem.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/stack.h>
#include <openssl/x509.h>

#include "../internal.h"
#include "../test/test_util.h"


// kPKCS7NSS contains the certificate chain of mail.google.com, as saved by NSS
// using the Chrome UI.
static const uint8_t kPKCS7NSS[] = {
    0x30, 0x80, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07,
    0x02, 0xa0, 0x80, 0x30, 0x80, 0x02, 0x01, 0x01, 0x31, 0x00, 0x30, 0x80,
    0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0x00,
    0x00, 0xa0, 0x82, 0x0b, 0x1e, 0x30, 0x82, 0x03, 0x54, 0x30, 0x82, 0x02,
    0x3c, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x02, 0x34, 0x56, 0x30,
    0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05,
    0x05, 0x00, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
    0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55,
    0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75, 0x73, 0x74,
    0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30, 0x19, 0x06, 0x03, 0x55,
    0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75, 0x73, 0x74,
    0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20, 0x43, 0x41, 0x30, 0x1e,
    0x17, 0x0d, 0x30, 0x32, 0x30, 0x35, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30,
    0x30, 0x30, 0x5a, 0x17, 0x0d, 0x32, 0x32, 0x30, 0x35, 0x32, 0x31, 0x30,
    0x34, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09,
    0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30,
    0x14, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54,
    0x72, 0x75, 0x73, 0x74, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30,
    0x19, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54,
    0x72, 0x75, 0x73, 0x74, 0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20,
    0x43, 0x41, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86,
    0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01,
    0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xda,
    0xcc, 0x18, 0x63, 0x30, 0xfd, 0xf4, 0x17, 0x23, 0x1a, 0x56, 0x7e, 0x5b,
    0xdf, 0x3c, 0x6c, 0x38, 0xe4, 0x71, 0xb7, 0x78, 0x91, 0xd4, 0xbc, 0xa1,
    0xd8, 0x4c, 0xf8, 0xa8, 0x43, 0xb6, 0x03, 0xe9, 0x4d, 0x21, 0x07, 0x08,
    0x88, 0xda, 0x58, 0x2f, 0x66, 0x39, 0x29, 0xbd, 0x05, 0x78, 0x8b, 0x9d,
    0x38, 0xe8, 0x05, 0xb7, 0x6a, 0x7e, 0x71, 0xa4, 0xe6, 0xc4, 0x60, 0xa6,
    0xb0, 0xef, 0x80, 0xe4, 0x89, 0x28, 0x0f, 0x9e, 0x25, 0xd6, 0xed, 0x83,
    0xf3, 0xad, 0xa6, 0x91, 0xc7, 0x98, 0xc9, 0x42, 0x18, 0x35, 0x14, 0x9d,
    0xad, 0x98, 0x46, 0x92, 0x2e, 0x4f, 0xca, 0xf1, 0x87, 0x43, 0xc1, 0x16,
    0x95, 0x57, 0x2d, 0x50, 0xef, 0x89, 0x2d, 0x80, 0x7a, 0x57, 0xad, 0xf2,
    0xee, 0x5f, 0x6b, 0xd2, 0x00, 0x8d, 0xb9, 0x14, 0xf8, 0x14, 0x15, 0x35,
    0xd9, 0xc0, 0x46, 0xa3, 0x7b, 0x72, 0xc8, 0x91, 0xbf, 0xc9, 0x55, 0x2b,
    0xcd, 0xd0, 0x97, 0x3e, 0x9c, 0x26, 0x64, 0xcc, 0xdf, 0xce, 0x83, 0x19,
    0x71, 0xca, 0x4e, 0xe6, 0xd4, 0xd5, 0x7b, 0xa9, 0x19, 0xcd, 0x55, 0xde,
    0xc8, 0xec, 0xd2, 0x5e, 0x38, 0x53, 0xe5, 0x5c, 0x4f, 0x8c, 0x2d, 0xfe,
    0x50, 0x23, 0x36, 0xfc, 0x66, 0xe6, 0xcb, 0x8e, 0xa4, 0x39, 0x19, 0x00,
    0xb7, 0x95, 0x02, 0x39, 0x91, 0x0b, 0x0e, 0xfe, 0x38, 0x2e, 0xd1, 0x1d,
    0x05, 0x9a, 0xf6, 0x4d, 0x3e, 0x6f, 0x0f, 0x07, 0x1d, 0xaf, 0x2c, 0x1e,
    0x8f, 0x60, 0x39, 0xe2, 0xfa, 0x36, 0x53, 0x13, 0x39, 0xd4, 0x5e, 0x26,
    0x2b, 0xdb, 0x3d, 0xa8, 0x14, 0xbd, 0x32, 0xeb, 0x18, 0x03, 0x28, 0x52,
    0x04, 0x71, 0xe5, 0xab, 0x33, 0x3d, 0xe1, 0x38, 0xbb, 0x07, 0x36, 0x84,
    0x62, 0x9c, 0x79, 0xea, 0x16, 0x30, 0xf4, 0x5f, 0xc0, 0x2b, 0xe8, 0x71,
    0x6b, 0xe4, 0xf9, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x53, 0x30, 0x51,
    0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05,
    0x30, 0x03, 0x01, 0x01, 0xff, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
    0x04, 0x16, 0x04, 0x14, 0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab,
    0x05, 0x64, 0x0c, 0x11, 0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e,
    0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80,
    0x14, 0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab, 0x05, 0x64, 0x0c,
    0x11, 0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e, 0x30, 0x0d, 0x06,
    0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00,
    0x03, 0x82, 0x01, 0x01, 0x00, 0x35, 0xe3, 0x29, 0x6a, 0xe5, 0x2f, 0x5d,
    0x54, 0x8e, 0x29, 0x50, 0x94, 0x9f, 0x99, 0x1a, 0x14, 0xe4, 0x8f, 0x78,
    0x2a, 0x62, 0x94, 0xa2, 0x27, 0x67, 0x9e, 0xd0, 0xcf, 0x1a, 0x5e, 0x47,
    0xe9, 0xc1, 0xb2, 0xa4, 0xcf, 0xdd, 0x41, 0x1a, 0x05, 0x4e, 0x9b, 0x4b,
    0xee, 0x4a, 0x6f, 0x55, 0x52, 0xb3, 0x24, 0xa1, 0x37, 0x0a, 0xeb, 0x64,
    0x76, 0x2a, 0x2e, 0x2c, 0xf3, 0xfd, 0x3b, 0x75, 0x90, 0xbf, 0xfa, 0x71,
    0xd8, 0xc7, 0x3d, 0x37, 0xd2, 0xb5, 0x05, 0x95, 0x62, 0xb9, 0xa6, 0xde,
    0x89, 0x3d, 0x36, 0x7b, 0x38, 0x77, 0x48, 0x97, 0xac, 0xa6, 0x20, 0x8f,
    0x2e, 0xa6, 0xc9, 0x0c, 0xc2, 0xb2, 0x99, 0x45, 0x00, 0xc7, 0xce, 0x11,
    0x51, 0x22, 0x22, 0xe0, 0xa5, 0xea, 0xb6, 0x15, 0x48, 0x09, 0x64, 0xea,
    0x5e, 0x4f, 0x74, 0xf7, 0x05, 0x3e, 0xc7, 0x8a, 0x52, 0x0c, 0xdb, 0x15,
    0xb4, 0xbd, 0x6d, 0x9b, 0xe5, 0xc6, 0xb1, 0x54, 0x68, 0xa9, 0xe3, 0x69,
    0x90, 0xb6, 0x9a, 0xa5, 0x0f, 0xb8, 0xb9, 0x3f, 0x20, 0x7d, 0xae, 0x4a,
    0xb5, 0xb8, 0x9c, 0xe4, 0x1d, 0xb6, 0xab, 0xe6, 0x94, 0xa5, 0xc1, 0xc7,
    0x83, 0xad, 0xdb, 0xf5, 0x27, 0x87, 0x0e, 0x04, 0x6c, 0xd5, 0xff, 0xdd,
    0xa0, 0x5d, 0xed, 0x87, 0x52, 0xb7, 0x2b, 0x15, 0x02, 0xae, 0x39, 0xa6,
    0x6a, 0x74, 0xe9, 0xda, 0xc4, 0xe7, 0xbc, 0x4d, 0x34, 0x1e, 0xa9, 0x5c,
    0x4d, 0x33, 0x5f, 0x92, 0x09, 0x2f, 0x88, 0x66, 0x5d, 0x77, 0x97, 0xc7,
    0x1d, 0x76, 0x13, 0xa9, 0xd5, 0xe5, 0xf1, 0x16, 0x09, 0x11, 0x35, 0xd5,
    0xac, 0xdb, 0x24, 0x71, 0x70, 0x2c, 0x98, 0x56, 0x0b, 0xd9, 0x17, 0xb4,
    0xd1, 0xe3, 0x51, 0x2b, 0x5e, 0x75, 0xe8, 0xd5, 0xd0, 0xdc, 0x4f, 0x34,
    0xed, 0xc2, 0x05, 0x66, 0x80, 0xa1, 0xcb, 0xe6, 0x33, 0x30, 0x82, 0x03,
    0xba, 0x30, 0x82, 0x02, 0xa2, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08,
    0x3e, 0xa3, 0xe4, 0x78, 0x99, 0x38, 0x13, 0x9d, 0x30, 0x0d, 0x06, 0x09,
    0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x30,
    0x49, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
    0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13,
    0x0a, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31,
    0x25, 0x30, 0x23, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f,
    0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
    0x74, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x20,
    0x47, 0x32, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x31, 0x36,
    0x31, 0x32, 0x32, 0x31, 0x34, 0x30, 0x5a, 0x17, 0x0d, 0x31, 0x34, 0x31,
    0x30, 0x31, 0x34, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x30, 0x69,
    0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55,
    0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a,
    0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x16,
    0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d, 0x6f, 0x75,
    0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20, 0x56, 0x69, 0x65, 0x77, 0x31, 0x13,
    0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47, 0x6f, 0x6f,
    0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x18, 0x30, 0x16, 0x06,
    0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x6d, 0x61, 0x69, 0x6c, 0x2e, 0x67,
    0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x59, 0x30,
    0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08,
    0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04,
    0xb2, 0x68, 0x6e, 0x3f, 0x03, 0x9e, 0x43, 0x85, 0x16, 0xb7, 0x89, 0x0b,
    0x16, 0x2a, 0xbe, 0x26, 0x36, 0xdd, 0x68, 0x0a, 0x53, 0x4e, 0x20, 0x40,
    0xf8, 0xd1, 0xdd, 0x63, 0xcb, 0x46, 0x73, 0x09, 0x96, 0x36, 0xde, 0x2c,
    0x45, 0x71, 0x2e, 0x8a, 0x79, 0xeb, 0x40, 0x2f, 0x65, 0x83, 0x81, 0xdb,
    0x37, 0x03, 0x84, 0xa1, 0x9a, 0xd0, 0x22, 0x3b, 0x73, 0x38, 0x45, 0xd3,
    0xd5, 0x91, 0xb2, 0x52, 0xa3, 0x82, 0x01, 0x4f, 0x30, 0x82, 0x01, 0x4b,
    0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x16, 0x30, 0x14, 0x06,
    0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x06, 0x08, 0x2b,
    0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x30, 0x1a, 0x06, 0x03, 0x55,
    0x1d, 0x11, 0x04, 0x13, 0x30, 0x11, 0x82, 0x0f, 0x6d, 0x61, 0x69, 0x6c,
    0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30,
    0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03, 0x02, 0x07, 0x80,
    0x30, 0x68, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x01, 0x01,
    0x04, 0x5c, 0x30, 0x5a, 0x30, 0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
    0x05, 0x07, 0x30, 0x02, 0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f,
    0x2f, 0x70, 0x6b, 0x69, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
    0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x49, 0x41, 0x47, 0x32, 0x2e, 0x63, 0x72,
    0x74, 0x30, 0x2b, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x30,
    0x01, 0x86, 0x1f, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x6c,
    0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
    0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6f, 0x63, 0x73, 0x70, 0x30, 0x1d,
    0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x75, 0xc6, 0xb0,
    0x4a, 0x46, 0x61, 0x83, 0xff, 0x91, 0x46, 0x45, 0x35, 0xa7, 0x0f, 0xd0,
    0x5b, 0xe9, 0xdd, 0x94, 0x1b, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13,
    0x01, 0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30, 0x1f, 0x06, 0x03, 0x55,
    0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0x4a, 0xdd, 0x06, 0x16,
    0x1b, 0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6, 0xbb, 0x62, 0x1a,
    0xba, 0x5a, 0x81, 0x2f, 0x30, 0x17, 0x06, 0x03, 0x55, 0x1d, 0x20, 0x04,
    0x10, 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01,
    0xd6, 0x79, 0x02, 0x05, 0x01, 0x30, 0x30, 0x06, 0x03, 0x55, 0x1d, 0x1f,
    0x04, 0x29, 0x30, 0x27, 0x30, 0x25, 0xa0, 0x23, 0xa0, 0x21, 0x86, 0x1f,
    0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x70, 0x6b, 0x69, 0x2e, 0x67,
    0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x47, 0x49,
    0x41, 0x47, 0x32, 0x2e, 0x63, 0x72, 0x6c, 0x30, 0x0d, 0x06, 0x09, 0x2a,
    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82,
    0x01, 0x01, 0x00, 0x7f, 0x41, 0xf5, 0x57, 0x18, 0x3c, 0x75, 0xf5, 0x23,
    0x66, 0xc3, 0xf0, 0xf2, 0x3e, 0x70, 0x34, 0x56, 0xca, 0x78, 0xec, 0xc7,
    0x81, 0x58, 0x0d, 0xdf, 0xf0, 0xfd, 0x86, 0xe6, 0xe6, 0x50, 0x3d, 0xf6,
    0x09, 0x9a, 0x4d, 0xca, 0x60, 0x37, 0x9a, 0xd4, 0xca, 0x51, 0x7c, 0xf0,
    0x66, 0x23, 0xea, 0x5e, 0x6a, 0x6f, 0x7b, 0xa6, 0x7a, 0x38, 0x97, 0x42,
    0x58, 0x1a, 0x1b, 0x42, 0xae, 0x28, 0xde, 0x18, 0x7f, 0xcc, 0x76, 0x18,
    0x58, 0x05, 0xbf, 0xea, 0xef, 0x14, 0xad, 0x34, 0xe5, 0x5f, 0x25, 0xab,
    0xa1, 0x5f, 0x78, 0x5b, 0x6f, 0xe6, 0x69, 0xd8, 0x74, 0x8c, 0x19, 0x59,
    0xb0, 0x1a, 0xfb, 0x8e, 0xdf, 0x61, 0xac, 0xeb, 0x2b, 0x0a, 0x1c, 0xab,
    0x30, 0x0d, 0x64, 0x25, 0x78, 0xdf, 0x81, 0x71, 0xe3, 0xbd, 0xde, 0x9c,
    0x3f, 0xdd, 0xe9, 0xf8, 0xb6, 0x98, 0x2d, 0x13, 0xa3, 0x7b, 0x14, 0x6f,
    0xe3, 0x8b, 0xfc, 0x4e, 0x31, 0x26, 0xba, 0x10, 0xb4, 0x12, 0xe9, 0xc9,
    0x49, 0x60, 0xf0, 0xaa, 0x1f, 0x44, 0x68, 0x19, 0xd2, 0xb3, 0xc8, 0x46,
    0x22, 0x6b, 0xe1, 0x21, 0x77, 0xfd, 0x72, 0x33, 0x13, 0x21, 0x27, 0x81,
    0xe4, 0x7a, 0xc9, 0xe4, 0x1c, 0x05, 0x04, 0x73, 0x13, 0xda, 0x47, 0xfe,
    0x59, 0x41, 0x9c, 0x11, 0xc5, 0xf6, 0xb5, 0xd0, 0x01, 0xcb, 0x40, 0x19,
    0xf5, 0xfe, 0xb3, 0x3c, 0x1f, 0x61, 0x8f, 0x4d, 0xdb, 0x81, 0x2a, 0x8a,
    0xed, 0xb8, 0x53, 0xc7, 0x19, 0x6b, 0xfa, 0x8b, 0xfc, 0xe3, 0x2e, 0x12,
    0x4e, 0xbd, 0xc5, 0x44, 0x9d, 0x1c, 0x7f, 0x3b, 0x09, 0x51, 0xd7, 0x0a,
    0x0f, 0x22, 0x0a, 0xfd, 0x8c, 0x90, 0x14, 0xed, 0x10, 0xcb, 0x50, 0xcf,
    0xa5, 0x45, 0xce, 0xb0, 0x21, 0x28, 0xcb, 0xd6, 0xf5, 0x6e, 0xb2, 0x3e,
    0xfa, 0x35, 0x0c, 0x3d, 0x09, 0x0d, 0x81, 0x30, 0x82, 0x04, 0x04, 0x30,
    0x82, 0x02, 0xec, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x03, 0x02, 0x3a,
    0x69, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
    0x01, 0x05, 0x05, 0x00, 0x30, 0x42, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
    0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x16, 0x30, 0x14, 0x06,
    0x03, 0x55, 0x04, 0x0a, 0x13, 0x0d, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75,
    0x73, 0x74, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x1b, 0x30, 0x19, 0x06,
    0x03, 0x55, 0x04, 0x03, 0x13, 0x12, 0x47, 0x65, 0x6f, 0x54, 0x72, 0x75,
    0x73, 0x74, 0x20, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x20, 0x43, 0x41,
    0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x34, 0x30, 0x35, 0x31, 0x35,
    0x31, 0x35, 0x35, 0x35, 0x5a, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x34, 0x30,
    0x34, 0x31, 0x35, 0x31, 0x35, 0x35, 0x35, 0x5a, 0x30, 0x49, 0x31, 0x0b,
    0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31,
    0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x47, 0x6f,
    0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x25, 0x30, 0x23,
    0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1c, 0x47, 0x6f, 0x6f, 0x67, 0x6c,
    0x65, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x41,
    0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x20, 0x47, 0x32, 0x30,
    0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
    0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
    0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0x9c, 0x2a, 0x04, 0x77,
    0x5c, 0xd8, 0x50, 0x91, 0x3a, 0x06, 0xa3, 0x82, 0xe0, 0xd8, 0x50, 0x48,
    0xbc, 0x89, 0x3f, 0xf1, 0x19, 0x70, 0x1a, 0x88, 0x46, 0x7e, 0xe0, 0x8f,
    0xc5, 0xf1, 0x89, 0xce, 0x21, 0xee, 0x5a, 0xfe, 0x61, 0x0d, 0xb7, 0x32,
    0x44, 0x89, 0xa0, 0x74, 0x0b, 0x53, 0x4f, 0x55, 0xa4, 0xce, 0x82, 0x62,
    0x95, 0xee, 0xeb, 0x59, 0x5f, 0xc6, 0xe1, 0x05, 0x80, 0x12, 0xc4, 0x5e,
    0x94, 0x3f, 0xbc, 0x5b, 0x48, 0x38, 0xf4, 0x53, 0xf7, 0x24, 0xe6, 0xfb,
    0x91, 0xe9, 0x15, 0xc4, 0xcf, 0xf4, 0x53, 0x0d, 0xf4, 0x4a, 0xfc, 0x9f,
    0x54, 0xde, 0x7d, 0xbe, 0xa0, 0x6b, 0x6f, 0x87, 0xc0, 0xd0, 0x50, 0x1f,
    0x28, 0x30, 0x03, 0x40, 0xda, 0x08, 0x73, 0x51, 0x6c, 0x7f, 0xff, 0x3a,
    0x3c, 0xa7, 0x37, 0x06, 0x8e, 0xbd, 0x4b, 0x11, 0x04, 0xeb, 0x7d, 0x24,
    0xde, 0xe6, 0xf9, 0xfc, 0x31, 0x71, 0xfb, 0x94, 0xd5, 0x60, 0xf3, 0x2e,
    0x4a, 0xaf, 0x42, 0xd2, 0xcb, 0xea, 0xc4, 0x6a, 0x1a, 0xb2, 0xcc, 0x53,
    0xdd, 0x15, 0x4b, 0x8b, 0x1f, 0xc8, 0x19, 0x61, 0x1f, 0xcd, 0x9d, 0xa8,
    0x3e, 0x63, 0x2b, 0x84, 0x35, 0x69, 0x65, 0x84, 0xc8, 0x19, 0xc5, 0x46,
    0x22, 0xf8, 0x53, 0x95, 0xbe, 0xe3, 0x80, 0x4a, 0x10, 0xc6, 0x2a, 0xec,
    0xba, 0x97, 0x20, 0x11, 0xc7, 0x39, 0x99, 0x10, 0x04, 0xa0, 0xf0, 0x61,
    0x7a, 0x95, 0x25, 0x8c, 0x4e, 0x52, 0x75, 0xe2, 0xb6, 0xed, 0x08, 0xca,
    0x14, 0xfc, 0xce, 0x22, 0x6a, 0xb3, 0x4e, 0xcf, 0x46, 0x03, 0x97, 0x97,
    0x03, 0x7e, 0xc0, 0xb1, 0xde, 0x7b, 0xaf, 0x45, 0x33, 0xcf, 0xba, 0x3e,
    0x71, 0xb7, 0xde, 0xf4, 0x25, 0x25, 0xc2, 0x0d, 0x35, 0x89, 0x9d, 0x9d,
    0xfb, 0x0e, 0x11, 0x79, 0x89, 0x1e, 0x37, 0xc5, 0xaf, 0x8e, 0x72, 0x69,
    0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x81, 0xfb, 0x30, 0x81, 0xf8, 0x30,
    0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14,
    0xc0, 0x7a, 0x98, 0x68, 0x8d, 0x89, 0xfb, 0xab, 0x05, 0x64, 0x0c, 0x11,
    0x7d, 0xaa, 0x7d, 0x65, 0xb8, 0xca, 0xcc, 0x4e, 0x30, 0x1d, 0x06, 0x03,
    0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x4a, 0xdd, 0x06, 0x16, 0x1b,
    0xbc, 0xf6, 0x68, 0xb5, 0x76, 0xf5, 0x81, 0xb6, 0xbb, 0x62, 0x1a, 0xba,
    0x5a, 0x81, 0x2f, 0x30, 0x12, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01,
    0xff, 0x04, 0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, 0x00, 0x30,
    0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03,
    0x02, 0x01, 0x06, 0x30, 0x3a, 0x06, 0x03, 0x55, 0x1d, 0x1f, 0x04, 0x33,
    0x30, 0x31, 0x30, 0x2f, 0xa0, 0x2d, 0xa0, 0x2b, 0x86, 0x29, 0x68, 0x74,
    0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x63, 0x72, 0x6c, 0x2e, 0x67, 0x65, 0x6f,
    0x74, 0x72, 0x75, 0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x63, 0x72,
    0x6c, 0x73, 0x2f, 0x67, 0x74, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x2e,
    0x63, 0x72, 0x6c, 0x30, 0x3d, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05,
    0x07, 0x01, 0x01, 0x04, 0x31, 0x30, 0x2f, 0x30, 0x2d, 0x06, 0x08, 0x2b,
    0x06, 0x01, 0x05, 0x05, 0x07, 0x30, 0x01, 0x86, 0x21, 0x68, 0x74, 0x74,
    0x70, 0x3a, 0x2f, 0x2f, 0x67, 0x74, 0x67, 0x6c, 0x6f, 0x62, 0x61, 0x6c,
    0x2d, 0x6f, 0x63, 0x73, 0x70, 0x2e, 0x67, 0x65, 0x6f, 0x74, 0x72, 0x75,
    0x73, 0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x17, 0x06, 0x03, 0x55, 0x1d,
    0x20, 0x04, 0x10, 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x0a, 0x2b, 0x06, 0x01,
    0x04, 0x01, 0xd6, 0x79, 0x02, 0x05, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a,
    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x03, 0x82,
    0x01, 0x01, 0x00, 0x36, 0xd7, 0x06, 0x80, 0x11, 0x27, 0xad, 0x2a, 0x14,
    0x9b, 0x38, 0x77, 0xb3, 0x23, 0xa0, 0x75, 0x58, 0xbb, 0xb1, 0x7e, 0x83,
    0x42, 0xba, 0x72, 0xda, 0x1e, 0xd8, 0x8e, 0x36, 0x06, 0x97, 0xe0, 0xf0,
    0x95, 0x3b, 0x37, 0xfd, 0x1b, 0x42, 0x58, 0xfe, 0x22, 0xc8, 0x6b, 0xbd,
    0x38, 0x5e, 0xd1, 0x3b, 0x25, 0x6e, 0x12, 0xeb, 0x5e, 0x67, 0x76, 0x46,
    0x40, 0x90, 0xda, 0x14, 0xc8, 0x78, 0x0d, 0xed, 0x95, 0x66, 0xda, 0x8e,
    0x86, 0x6f, 0x80, 0xa1, 0xba, 0x56, 0x32, 0x95, 0x86, 0xdc, 0xdc, 0x6a,
    0xca, 0x04, 0x8c, 0x5b, 0x7f, 0xf6, 0xbf, 0xcc, 0x6f, 0x85, 0x03, 0x58,
    0xc3, 0x68, 0x51, 0x13, 0xcd, 0xfd, 0xc8, 0xf7, 0x79, 0x3d, 0x99, 0x35,
    0xf0, 0x56, 0xa3, 0xbd, 0xe0, 0x59, 0xed, 0x4f, 0x44, 0x09, 0xa3, 0x9e,
    0x38, 0x7a, 0xf6, 0x46, 0xd1, 0x1d, 0x12, 0x9d, 0x4f, 0xbe, 0xd0, 0x40,
    0xfc, 0x55, 0xfe, 0x06, 0x5e, 0x3c, 0xda, 0x1c, 0x56, 0xbd, 0x96, 0x51,
    0x7b, 0x6f, 0x57, 0x2a, 0xdb, 0xa2, 0xaa, 0x96, 0xdc, 0x8c, 0x74, 0xc2,
    0x95, 0xbe, 0xf0, 0x6e, 0x95, 0x13, 0xff, 0x17, 0xf0, 0x3c, 0xac, 0xb2,
    0x10, 0x8d, 0xcc, 0x73, 0xfb, 0xe8, 0x8f, 0x02, 0xc6, 0xf0, 0xfb, 0x33,
    0xb3, 0x95, 0x3b, 0xe3, 0xc2, 0xcb, 0x68, 0x58, 0x73, 0xdb, 0xa8, 0x24,
    0x62, 0x3b, 0x06, 0x35, 0x9d, 0x0d, 0xa9, 0x33, 0xbd, 0x78, 0x03, 0x90,
    0x2e, 0x4c, 0x78, 0x5d, 0x50, 0x3a, 0x81, 0xd4, 0xee, 0xa0, 0xc8, 0x70,
    0x38, 0xdc, 0xb2, 0xf9, 0x67, 0xfa, 0x87, 0x40, 0x5d, 0x61, 0xc0, 0x51,
    0x8f, 0x6b, 0x83, 0x6b, 0xcd, 0x05, 0x3a, 0xca, 0xe1, 0xa7, 0x05, 0x78,
    0xfc, 0xca, 0xda, 0x94, 0xd0, 0x2c, 0x08, 0x3d, 0x7e, 0x16, 0x79, 0xc8,
    0xa0, 0x50, 0x20, 0x24, 0x54, 0x33, 0x71, 0x31, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00,
};

// kPKCS7Windows is the Equifax root certificate, as exported by Windows 7.
static const uint8_t kPKCS7Windows[] = {
    0x30, 0x82, 0x02, 0xb1, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
    0x01, 0x07, 0x02, 0xa0, 0x82, 0x02, 0xa2, 0x30, 0x82, 0x02, 0x9e, 0x02,
    0x01, 0x01, 0x31, 0x00, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
    0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x82, 0x02, 0x86, 0x30, 0x82, 0x02,
    0x82, 0x30, 0x82, 0x01, 0xeb, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01,
    0x04, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
    0x01, 0x04, 0x05, 0x00, 0x30, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
    0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x1c, 0x30, 0x1a, 0x06,
    0x03, 0x55, 0x04, 0x0a, 0x13, 0x13, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61,
    0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x49, 0x6e, 0x63,
    0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1d,
    0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x20, 0x53, 0x65, 0x63, 0x75,
    0x72, 0x65, 0x20, 0x65, 0x42, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73,
    0x20, 0x43, 0x41, 0x2d, 0x31, 0x30, 0x1e, 0x17, 0x0d, 0x39, 0x39, 0x30,
    0x36, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x17, 0x0d,
    0x32, 0x30, 0x30, 0x36, 0x32, 0x31, 0x30, 0x34, 0x30, 0x30, 0x30, 0x30,
    0x5a, 0x30, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06,
    0x13, 0x02, 0x55, 0x53, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
    0x0a, 0x13, 0x13, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x20, 0x53,
    0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x26,
    0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x1d, 0x45, 0x71, 0x75,
    0x69, 0x66, 0x61, 0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20,
    0x65, 0x42, 0x75, 0x73, 0x69, 0x6e, 0x65, 0x73, 0x73, 0x20, 0x43, 0x41,
    0x2d, 0x31, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
    0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
    0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xce, 0x2f, 0x19, 0xbc, 0x17,
    0xb7, 0x77, 0xde, 0x93, 0xa9, 0x5f, 0x5a, 0x0d, 0x17, 0x4f, 0x34, 0x1a,
    0x0c, 0x98, 0xf4, 0x22, 0xd9, 0x59, 0xd4, 0xc4, 0x68, 0x46, 0xf0, 0xb4,
    0x35, 0xc5, 0x85, 0x03, 0x20, 0xc6, 0xaf, 0x45, 0xa5, 0x21, 0x51, 0x45,
    0x41, 0xeb, 0x16, 0x58, 0x36, 0x32, 0x6f, 0xe2, 0x50, 0x62, 0x64, 0xf9,
    0xfd, 0x51, 0x9c, 0xaa, 0x24, 0xd9, 0xf4, 0x9d, 0x83, 0x2a, 0x87, 0x0a,
    0x21, 0xd3, 0x12, 0x38, 0x34, 0x6c, 0x8d, 0x00, 0x6e, 0x5a, 0xa0, 0xd9,
    0x42, 0xee, 0x1a, 0x21, 0x95, 0xf9, 0x52, 0x4c, 0x55, 0x5a, 0xc5, 0x0f,
    0x38, 0x4f, 0x46, 0xfa, 0x6d, 0xf8, 0x2e, 0x35, 0xd6, 0x1d, 0x7c, 0xeb,
    0xe2, 0xf0, 0xb0, 0x75, 0x80, 0xc8, 0xa9, 0x13, 0xac, 0xbe, 0x88, 0xef,
    0x3a, 0x6e, 0xab, 0x5f, 0x2a, 0x38, 0x62, 0x02, 0xb0, 0x12, 0x7b, 0xfe,
    0x8f, 0xa6, 0x03, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x66, 0x30, 0x64,
    0x30, 0x11, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x86, 0xf8, 0x42, 0x01,
    0x01, 0x04, 0x04, 0x03, 0x02, 0x00, 0x07, 0x30, 0x0f, 0x06, 0x03, 0x55,
    0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff,
    0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80,
    0x14, 0x4a, 0x78, 0x32, 0x52, 0x11, 0xdb, 0x59, 0x16, 0x36, 0x5e, 0xdf,
    0xc1, 0x14, 0x36, 0x40, 0x6a, 0x47, 0x7c, 0x4c, 0xa1, 0x30, 0x1d, 0x06,
    0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x4a, 0x78, 0x32, 0x52,
    0x11, 0xdb, 0x59, 0x16, 0x36, 0x5e, 0xdf, 0xc1, 0x14, 0x36, 0x40, 0x6a,
    0x47, 0x7c, 0x4c, 0xa1, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
    0xf7, 0x0d, 0x01, 0x01, 0x04, 0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0x75,
    0x5b, 0xa8, 0x9b, 0x03, 0x11, 0xe6, 0xe9, 0x56, 0x4c, 0xcd, 0xf9, 0xa9,
    0x4c, 0xc0, 0x0d, 0x9a, 0xf3, 0xcc, 0x65, 0x69, 0xe6, 0x25, 0x76, 0xcc,
    0x59, 0xb7, 0xd6, 0x54, 0xc3, 0x1d, 0xcd, 0x99, 0xac, 0x19, 0xdd, 0xb4,
    0x85, 0xd5, 0xe0, 0x3d, 0xfc, 0x62, 0x20, 0xa7, 0x84, 0x4b, 0x58, 0x65,
    0xf1, 0xe2, 0xf9, 0x95, 0x21, 0x3f, 0xf5, 0xd4, 0x7e, 0x58, 0x1e, 0x47,
    0x87, 0x54, 0x3e, 0x58, 0xa1, 0xb5, 0xb5, 0xf8, 0x2a, 0xef, 0x71, 0xe7,
    0xbc, 0xc3, 0xf6, 0xb1, 0x49, 0x46, 0xe2, 0xd7, 0xa0, 0x6b, 0xe5, 0x56,
    0x7a, 0x9a, 0x27, 0x98, 0x7c, 0x46, 0x62, 0x14, 0xe7, 0xc9, 0xfc, 0x6e,
    0x03, 0x12, 0x79, 0x80, 0x38, 0x1d, 0x48, 0x82, 0x8d, 0xfc, 0x17, 0xfe,
    0x2a, 0x96, 0x2b, 0xb5, 0x62, 0xa6, 0xa6, 0x3d, 0xbd, 0x7f, 0x92, 0x59,
    0xcd, 0x5a, 0x2a, 0x82, 0xb2, 0x37, 0x79, 0x31, 0x00,
};

// kOpenSSLCRL is the Equifax CRL, converted to PKCS#7 form by:
//   openssl crl2pkcs7 -inform DER -in secureca.crl
static const uint8_t kOpenSSLCRL[] = {
    0x30, 0x82, 0x03, 0x85, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
    0x01, 0x07, 0x02, 0xa0, 0x82, 0x03, 0x76, 0x30, 0x82, 0x03, 0x72, 0x02,
    0x01, 0x01, 0x31, 0x00, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
    0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x00, 0xa1, 0x82, 0x03, 0x58, 0x30,
    0x82, 0x03, 0x54, 0x30, 0x82, 0x02, 0xbd, 0x30, 0x0d, 0x06, 0x09, 0x2a,
    0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05, 0x05, 0x00, 0x30, 0x4e,
    0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55,
    0x53, 0x31, 0x10, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x07,
    0x45, 0x71, 0x75, 0x69, 0x66, 0x61, 0x78, 0x31, 0x2d, 0x30, 0x2b, 0x06,
    0x03, 0x55, 0x04, 0x0b, 0x13, 0x24, 0x45, 0x71, 0x75, 0x69, 0x66, 0x61,
    0x78, 0x20, 0x53, 0x65, 0x63, 0x75, 0x72, 0x65, 0x20, 0x43, 0x65, 0x72,
    0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x41, 0x75, 0x74,
    0x68, 0x6f, 0x72, 0x69, 0x74, 0x79, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x32,
    0x32, 0x37, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x5a, 0x17, 0x0d, 0x31,
    0x35, 0x30, 0x33, 0x30, 0x39, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x5a,
    0x30, 0x82, 0x02, 0x3c, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x58, 0xe4, 0x17,
    0x0d, 0x31, 0x34, 0x30, 0x34, 0x32, 0x37, 0x30, 0x38, 0x31, 0x39, 0x32,
    0x32, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0x76, 0x19, 0x17, 0x0d, 0x31,
    0x34, 0x30, 0x36, 0x31, 0x38, 0x31, 0x35, 0x30, 0x30, 0x30, 0x33, 0x5a,
    0x30, 0x14, 0x02, 0x03, 0x0f, 0x9a, 0xfb, 0x17, 0x0d, 0x31, 0x34, 0x30,
    0x34, 0x32, 0x39, 0x31, 0x38, 0x30, 0x39, 0x31, 0x37, 0x5a, 0x30, 0x14,
    0x02, 0x03, 0x14, 0x8b, 0xc0, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x30,
    0x39, 0x31, 0x39, 0x34, 0x36, 0x33, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03,
    0x14, 0xe4, 0x9c, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x34, 0x31, 0x36, 0x32,
    0x33, 0x33, 0x39, 0x33, 0x35, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x86,
    0x07, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x35, 0x32, 0x31, 0x31, 0x35, 0x35,
    0x30, 0x35, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x12, 0xe2, 0x29, 0x17,
    0x0d, 0x31, 0x34, 0x30, 0x36, 0x31, 0x37, 0x31, 0x38, 0x35, 0x35, 0x31,
    0x35, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0d, 0x42, 0x66, 0x17, 0x0d, 0x31,
    0x32, 0x30, 0x36, 0x32, 0x37, 0x31, 0x37, 0x31, 0x30, 0x35, 0x33, 0x5a,
    0x30, 0x14, 0x02, 0x03, 0x03, 0x1e, 0x33, 0x17, 0x0d, 0x30, 0x32, 0x30,
    0x35, 0x31, 0x35, 0x31, 0x33, 0x30, 0x36, 0x31, 0x31, 0x5a, 0x30, 0x14,
    0x02, 0x03, 0x12, 0xe2, 0x23, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x30,
    0x36, 0x32, 0x30, 0x34, 0x30, 0x32, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03,
    0x13, 0x9c, 0xab, 0x17, 0x0d, 0x31, 0x30, 0x30, 0x37, 0x32, 0x39, 0x31,
    0x36, 0x34, 0x34, 0x33, 0x39, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x12, 0xc6,
    0x0a, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x30, 0x36, 0x32, 0x32, 0x32,
    0x31, 0x33, 0x39, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x03, 0x25, 0x85, 0x17,
    0x0d, 0x30, 0x32, 0x30, 0x35, 0x31, 0x34, 0x31, 0x38, 0x31, 0x31, 0x35,
    0x37, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0x86, 0xe6, 0x17, 0x0d, 0x31,
    0x34, 0x30, 0x37, 0x32, 0x35, 0x30, 0x32, 0x30, 0x30, 0x33, 0x38, 0x5a,
    0x30, 0x14, 0x02, 0x03, 0x13, 0x9c, 0xa1, 0x17, 0x0d, 0x31, 0x30, 0x30,
    0x37, 0x32, 0x39, 0x31, 0x36, 0x34, 0x37, 0x33, 0x32, 0x5a, 0x30, 0x14,
    0x02, 0x03, 0x15, 0x4d, 0x5c, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x34, 0x33,
    0x30, 0x30, 0x30, 0x30, 0x34, 0x34, 0x32, 0x5a, 0x30, 0x14, 0x02, 0x03,
    0x0f, 0xfa, 0x2d, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x31, 0x37, 0x31,
    0x38, 0x35, 0x30, 0x31, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x13, 0x75,
    0x55, 0x17, 0x0d, 0x31, 0x35, 0x30, 0x31, 0x31, 0x38, 0x30, 0x32, 0x32,
    0x31, 0x33, 0x33, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0f, 0x56, 0x96, 0x17,
    0x0d, 0x31, 0x34, 0x30, 0x36, 0x32, 0x34, 0x31, 0x32, 0x33, 0x31, 0x30,
    0x32, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x0b, 0x80, 0x8a, 0x17, 0x0d, 0x31,
    0x32, 0x30, 0x36, 0x32, 0x37, 0x31, 0x37, 0x31, 0x30, 0x32, 0x35, 0x5a,
    0x30, 0x14, 0x02, 0x03, 0x0f, 0x94, 0x16, 0x17, 0x0d, 0x31, 0x30, 0x30,
    0x33, 0x30, 0x31, 0x31, 0x33, 0x34, 0x35, 0x33, 0x31, 0x5a, 0x30, 0x14,
    0x02, 0x03, 0x14, 0x16, 0xb3, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x36, 0x31,
    0x38, 0x31, 0x34, 0x33, 0x32, 0x35, 0x36, 0x5a, 0x30, 0x14, 0x02, 0x03,
    0x0a, 0xe1, 0x85, 0x17, 0x0d, 0x31, 0x32, 0x30, 0x36, 0x32, 0x37, 0x31,
    0x37, 0x31, 0x30, 0x31, 0x37, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x14, 0xcc,
    0x3e, 0x17, 0x0d, 0x31, 0x34, 0x30, 0x37, 0x31, 0x31, 0x31, 0x32, 0x35,
    0x35, 0x33, 0x31, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x10, 0x5b, 0xcb, 0x17,
    0x0d, 0x31, 0x30, 0x30, 0x37, 0x33, 0x30, 0x32, 0x31, 0x33, 0x31, 0x32,
    0x30, 0x5a, 0x30, 0x14, 0x02, 0x03, 0x15, 0x6a, 0x1f, 0x17, 0x0d, 0x31,
    0x34, 0x30, 0x32, 0x32, 0x36, 0x31, 0x32, 0x33, 0x35, 0x31, 0x39, 0x5a,
    0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
    0x05, 0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0x1d, 0x5c, 0x27, 0x07, 0x11,
    0x03, 0xf2, 0x00, 0xbd, 0xf4, 0x46, 0x3e, 0x71, 0xfd, 0x10, 0x84, 0x83,
    0xd9, 0xd2, 0xd2, 0x19, 0xa0, 0x20, 0xf7, 0x1a, 0x43, 0x3d, 0xac, 0xda,
    0x33, 0xfc, 0xb7, 0x42, 0x60, 0x1a, 0xa4, 0xa8, 0xb2, 0x07, 0x5c, 0x51,
    0x16, 0xc0, 0x42, 0x80, 0x0a, 0x0f, 0xf0, 0x47, 0x5b, 0x4b, 0x78, 0x90,
    0xaf, 0xc7, 0xac, 0x48, 0xf8, 0xca, 0x3c, 0x13, 0x5e, 0xf6, 0xd1, 0x88,
    0xae, 0x55, 0xa3, 0x0c, 0x8a, 0x62, 0x47, 0x29, 0xf8, 0x72, 0xb8, 0x24,
    0x17, 0xaf, 0xb2, 0x06, 0x1e, 0xa7, 0x72, 0x76, 0xab, 0x96, 0x1d, 0xe0,
    0x7c, 0xd4, 0x0c, 0x42, 0x82, 0x3d, 0x4a, 0x8e, 0x15, 0x77, 0x2f, 0x3c,
    0x2a, 0x8c, 0x3a, 0x04, 0x10, 0x55, 0xdc, 0xbb, 0xba, 0xb1, 0x91, 0xee,
    0x7b, 0xe7, 0x23, 0xc5, 0x71, 0x13, 0xae, 0x6b, 0x21, 0x35, 0xd3, 0x64,
    0xf0, 0x00, 0x54, 0x31, 0x00,
};

// kPEMCert is the result of exporting the mail.google.com certificate from
// Chrome and then running it through:
//   openssl pkcs7 -inform DER -in mail.google.com -outform PEM
static const char kPEMCert[] =
    "-----BEGIN PKCS7-----\n"
    "MIID+wYJKoZIhvcNAQcCoIID7DCCA+gCAQExADALBgkqhkiG9w0BBwGgggPQMIID\n"
    "zDCCArSgAwIBAgIIWesoywKxoNQwDQYJKoZIhvcNAQELBQAwSTELMAkGA1UEBhMC\n"
    "VVMxEzARBgNVBAoTCkdvb2dsZSBJbmMxJTAjBgNVBAMTHEdvb2dsZSBJbnRlcm5l\n"
    "dCBBdXRob3JpdHkgRzIwHhcNMTUwMjExMTQxNTA2WhcNMTUwNTEyMDAwMDAwWjBp\n"
    "MQswCQYDVQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91\n"
    "bnRhaW4gVmlldzETMBEGA1UECgwKR29vZ2xlIEluYzEYMBYGA1UEAwwPbWFpbC5n\n"
    "b29nbGUuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE7MdALmCkcRRf/tzQ\n"
    "a8eu3J7S5CTQa5ns0ReF9ktlbB1RL56BVGAu4p7BrT32D6gDpiggXq3gxN81A0TG\n"
    "C2yICKOCAWEwggFdMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAsBgNV\n"
    "HREEJTAjgg9tYWlsLmdvb2dsZS5jb22CEGluYm94Lmdvb2dsZS5jb20wCwYDVR0P\n"
    "BAQDAgeAMGgGCCsGAQUFBwEBBFwwWjArBggrBgEFBQcwAoYfaHR0cDovL3BraS5n\n"
    "b29nbGUuY29tL0dJQUcyLmNydDArBggrBgEFBQcwAYYfaHR0cDovL2NsaWVudHMx\n"
    "Lmdvb2dsZS5jb20vb2NzcDAdBgNVHQ4EFgQUQqsYsRoWLiG6qmV2N1mpYaHawxAw\n"
    "DAYDVR0TAQH/BAIwADAfBgNVHSMEGDAWgBRK3QYWG7z2aLV29YG2u2IaulqBLzAX\n"
    "BgNVHSAEEDAOMAwGCisGAQQB1nkCBQEwMAYDVR0fBCkwJzAloCOgIYYfaHR0cDov\n"
    "L3BraS5nb29nbGUuY29tL0dJQUcyLmNybDANBgkqhkiG9w0BAQsFAAOCAQEAKNh3\n"
    "isNuGBisPKVlekOsZR6S8oP/fS/xt6Hqvg0EwFXvhxoJ40rxAB2LMykY17e+ln3P\n"
    "MwBBlRkwY1btcDT15JwzgaZb38rq/r+Pkb5Qgmx/InA/pw0QHDtwHQp5uXZuvu6p\n"
    "J/SlCwyq7EOvByWdVQcMU/dhGa3idXEkn/zwfqcG6YjdWKoDmXWZYv3RiP3wJcRB\n"
    "9+3U1wOe3uebnZLRWO6/w0to1XY8TFHklyw5rwIE5sbxOx5N3Ne8+GgPrUDvGAz0\n"
    "rAUKnh3b7GNXL1qlZh2qkhB6rUzvtPpg397Asg3xVtExCHOk4zPqzzicttoEbVVy\n"
    "0T8rIMUNwC4Beh4JVjEA\n"
    "-----END PKCS7-----\n";

/* kPEMCRL is the result of downloading the Equifax CRL and running:
     openssl crl2pkcs7 -inform DER -in secureca.crl  */
static const char kPEMCRL[] =
    "-----BEGIN PKCS7-----\n"
    "MIIDhQYJKoZIhvcNAQcCoIIDdjCCA3ICAQExADALBgkqhkiG9w0BBwGgAKGCA1gw\n"
    "ggNUMIICvTANBgkqhkiG9w0BAQUFADBOMQswCQYDVQQGEwJVUzEQMA4GA1UEChMH\n"
    "RXF1aWZheDEtMCsGA1UECxMkRXF1aWZheCBTZWN1cmUgQ2VydGlmaWNhdGUgQXV0\n"
    "aG9yaXR5Fw0xNTAyMjcwMTIzMDBaFw0xNTAzMDkwMTIzMDBaMIICPDAUAgMPWOQX\n"
    "DTE0MDQyNzA4MTkyMlowFAIDFHYZFw0xNDA2MTgxNTAwMDNaMBQCAw+a+xcNMTQw\n"
    "NDI5MTgwOTE3WjAUAgMUi8AXDTE0MDcwOTE5NDYzM1owFAIDFOScFw0xNDA0MTYy\n"
    "MzM5MzVaMBQCAw+GBxcNMTQwNTIxMTU1MDUzWjAUAgMS4ikXDTE0MDYxNzE4NTUx\n"
    "NVowFAIDDUJmFw0xMjA2MjcxNzEwNTNaMBQCAwMeMxcNMDIwNTE1MTMwNjExWjAU\n"
    "AgMS4iMXDTE0MDYwNjIwNDAyMVowFAIDE5yrFw0xMDA3MjkxNjQ0MzlaMBQCAxLG\n"
    "ChcNMTQwNjA2MjIyMTM5WjAUAgMDJYUXDTAyMDUxNDE4MTE1N1owFAIDFIbmFw0x\n"
    "NDA3MjUwMjAwMzhaMBQCAxOcoRcNMTAwNzI5MTY0NzMyWjAUAgMVTVwXDTE0MDQz\n"
    "MDAwMDQ0MlowFAIDD/otFw0xNDA2MTcxODUwMTFaMBQCAxN1VRcNMTUwMTE4MDIy\n"
    "MTMzWjAUAgMPVpYXDTE0MDYyNDEyMzEwMlowFAIDC4CKFw0xMjA2MjcxNzEwMjVa\n"
    "MBQCAw+UFhcNMTAwMzAxMTM0NTMxWjAUAgMUFrMXDTE0MDYxODE0MzI1NlowFAID\n"
    "CuGFFw0xMjA2MjcxNzEwMTdaMBQCAxTMPhcNMTQwNzExMTI1NTMxWjAUAgMQW8sX\n"
    "DTEwMDczMDIxMzEyMFowFAIDFWofFw0xNDAyMjYxMjM1MTlaMA0GCSqGSIb3DQEB\n"
    "BQUAA4GBAB1cJwcRA/IAvfRGPnH9EISD2dLSGaAg9xpDPazaM/y3QmAapKiyB1xR\n"
    "FsBCgAoP8EdbS3iQr8esSPjKPBNe9tGIrlWjDIpiRyn4crgkF6+yBh6ncnarlh3g\n"
    "fNQMQoI9So4Vdy88Kow6BBBV3Lu6sZHue+cjxXETrmshNdNk8ABUMQA=\n"
    "-----END PKCS7-----\n";

static void TestCertReparse(const uint8_t *der_bytes, size_t der_len) {
  bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
  ASSERT_TRUE(certs);
  bssl::UniquePtr<STACK_OF(X509)> certs2(sk_X509_new_null());
  ASSERT_TRUE(certs2);
  uint8_t *result_data, *result2_data;
  size_t result_len, result2_len;

  CBS pkcs7;
  CBS_init(&pkcs7, der_bytes, der_len);
  ASSERT_TRUE(PKCS7_get_certificates(certs.get(), &pkcs7));
  EXPECT_EQ(0u, CBS_len(&pkcs7));

  bssl::ScopedCBB cbb;
  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
  ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), certs.get()));
  ASSERT_TRUE(CBB_finish(cbb.get(), &result_data, &result_len));
  bssl::UniquePtr<uint8_t> free_result_data(result_data);

  CBS_init(&pkcs7, result_data, result_len);
  ASSERT_TRUE(PKCS7_get_certificates(certs2.get(), &pkcs7));
  EXPECT_EQ(0u, CBS_len(&pkcs7));

  // PKCS#7 stores certificates in a SET OF, so |PKCS7_bundle_certificates| may
  // not preserve the original order. All of our test inputs are already sorted,
  // but this check should be relaxed if we add others.
  ASSERT_EQ(sk_X509_num(certs.get()), sk_X509_num(certs2.get()));
  for (size_t i = 0; i < sk_X509_num(certs.get()); i++) {
    X509 *a = sk_X509_value(certs.get(), i);
    X509 *b = sk_X509_value(certs2.get(), i);
    ASSERT_EQ(0, X509_cmp(a, b));
  }

  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
  ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), certs2.get()));
  ASSERT_TRUE(CBB_finish(cbb.get(), &result2_data, &result2_len));
  bssl::UniquePtr<uint8_t> free_result2_data(result2_data);

  EXPECT_EQ(Bytes(result_data, result_len), Bytes(result2_data, result2_len));

  // Parse with the legacy API instead.
  const uint8_t *ptr = der_bytes;
  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der_len));
  ASSERT_TRUE(pkcs7_obj);
  EXPECT_EQ(ptr, der_bytes + der_len);

  ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
  const STACK_OF(X509) *certs3 = pkcs7_obj->d.sign->cert;
  ASSERT_EQ(sk_X509_num(certs.get()), sk_X509_num(certs3));
  for (size_t i = 0; i < sk_X509_num(certs.get()); i++) {
    X509 *a = sk_X509_value(certs.get(), i);
    X509 *b = sk_X509_value(certs3, i);
    ASSERT_EQ(0, X509_cmp(a, b));
  }

  // Serialize the original object. This should echo back the original saved
  // bytes.
  uint8_t *result3_data = nullptr;
  int result3_len = i2d_PKCS7(pkcs7_obj.get(), &result3_data);
  ASSERT_GT(result3_len, 0);
  bssl::UniquePtr<uint8_t> free_result3_data(result3_data);
  EXPECT_EQ(Bytes(der_bytes, der_len), Bytes(result3_data, result3_len));

  // Make a new object with the legacy API.
  pkcs7_obj.reset(
      PKCS7_sign(nullptr, nullptr, certs.get(), nullptr, PKCS7_DETACHED));
  ASSERT_TRUE(pkcs7_obj);

  ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
  const STACK_OF(X509) *certs4 = pkcs7_obj->d.sign->cert;
  ASSERT_EQ(sk_X509_num(certs.get()), sk_X509_num(certs4));
  for (size_t i = 0; i < sk_X509_num(certs.get()); i++) {
    X509 *a = sk_X509_value(certs.get(), i);
    X509 *b = sk_X509_value(certs4, i);
    ASSERT_EQ(0, X509_cmp(a, b));
  }

  // This new object should serialize canonically.
  uint8_t *result4_data = nullptr;
  int result4_len = i2d_PKCS7(pkcs7_obj.get(), &result4_data);
  ASSERT_GT(result4_len, 0);
  bssl::UniquePtr<uint8_t> free_result4_data(result4_data);
  EXPECT_EQ(Bytes(result_data, result_len), Bytes(result4_data, result4_len));
}

static void TestCRLReparse(const uint8_t *der_bytes, size_t der_len) {
  bssl::UniquePtr<STACK_OF(X509_CRL)> crls(sk_X509_CRL_new_null());
  ASSERT_TRUE(crls);
  bssl::UniquePtr<STACK_OF(X509_CRL)> crls2(sk_X509_CRL_new_null());
  ASSERT_TRUE(crls2);
  uint8_t *result_data, *result2_data;
  size_t result_len, result2_len;

  CBS pkcs7;
  CBS_init(&pkcs7, der_bytes, der_len);
  ASSERT_TRUE(PKCS7_get_CRLs(crls.get(), &pkcs7));
  EXPECT_EQ(0u, CBS_len(&pkcs7));

  bssl::ScopedCBB cbb;
  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
  ASSERT_TRUE(PKCS7_bundle_CRLs(cbb.get(), crls.get()));
  ASSERT_TRUE(CBB_finish(cbb.get(), &result_data, &result_len));
  bssl::UniquePtr<uint8_t> free_result_data(result_data);

  CBS_init(&pkcs7, result_data, result_len);
  ASSERT_TRUE(PKCS7_get_CRLs(crls2.get(), &pkcs7));
  EXPECT_EQ(0u, CBS_len(&pkcs7));

  // PKCS#7 stores CRLs in a SET OF, so |PKCS7_bundle_CRLs| may not preserve the
  // original order. All of our test inputs are already sorted, but this check
  // should be relaxed if we add others.
  ASSERT_EQ(sk_X509_CRL_num(crls.get()), sk_X509_CRL_num(crls.get()));
  for (size_t i = 0; i < sk_X509_CRL_num(crls.get()); i++) {
    X509_CRL *a = sk_X509_CRL_value(crls.get(), i);
    X509_CRL *b = sk_X509_CRL_value(crls2.get(), i);
    ASSERT_EQ(0, X509_CRL_cmp(a, b));
  }

  ASSERT_TRUE(CBB_init(cbb.get(), der_len));
  ASSERT_TRUE(PKCS7_bundle_CRLs(cbb.get(), crls2.get()));
  ASSERT_TRUE(CBB_finish(cbb.get(), &result2_data, &result2_len));
  bssl::UniquePtr<uint8_t> free_result2_data(result2_data);

  EXPECT_EQ(Bytes(result_data, result_len), Bytes(result2_data, result2_len));

  // Parse with the legacy API instead.
  const uint8_t *ptr = der_bytes;
  bssl::UniquePtr<PKCS7> pkcs7_obj(d2i_PKCS7(nullptr, &ptr, der_len));
  ASSERT_TRUE(pkcs7_obj);
  EXPECT_EQ(ptr, der_bytes + der_len);

  ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
  const STACK_OF(X509_CRL) *crls3 = pkcs7_obj->d.sign->crl;
  ASSERT_EQ(sk_X509_CRL_num(crls.get()), sk_X509_CRL_num(crls3));
  for (size_t i = 0; i < sk_X509_CRL_num(crls.get()); i++) {
    X509_CRL *a = sk_X509_CRL_value(crls.get(), i);
    X509_CRL *b = sk_X509_CRL_value(crls3, i);
    ASSERT_EQ(0, X509_CRL_cmp(a, b));
  }

  ptr = result_data;
  pkcs7_obj.reset(d2i_PKCS7(nullptr, &ptr, result_len));
  ASSERT_TRUE(pkcs7_obj);
  EXPECT_EQ(ptr, result_data + result_len);

  ASSERT_TRUE(PKCS7_type_is_signed(pkcs7_obj.get()));
  const STACK_OF(X509_CRL) *crls4 = pkcs7_obj->d.sign->crl;
  ASSERT_EQ(sk_X509_CRL_num(crls.get()), sk_X509_CRL_num(crls4));
  for (size_t i = 0; i < sk_X509_CRL_num(crls.get()); i++) {
    X509_CRL *a = sk_X509_CRL_value(crls.get(), i);
    X509_CRL *b = sk_X509_CRL_value(crls4, i);
    ASSERT_EQ(0, X509_CRL_cmp(a, b));
  }
}

static void TestPEMCerts(const char *pem) {
  bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(pem, strlen(pem)));
  ASSERT_TRUE(bio);
  bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
  ASSERT_TRUE(certs);

  ASSERT_TRUE(PKCS7_get_PEM_certificates(certs.get(), bio.get()));
  ASSERT_EQ(1u, sk_X509_num(certs.get()));
}

static void TestPEMCRLs(const char *pem) {
  bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(pem, strlen(pem)));
  ASSERT_TRUE(bio);
  bssl::UniquePtr<STACK_OF(X509_CRL)> crls(sk_X509_CRL_new_null());

  ASSERT_TRUE(PKCS7_get_PEM_CRLs(crls.get(), bio.get()));
  ASSERT_EQ(1u, sk_X509_CRL_num(crls.get()));
}

TEST(PKCS7Test, CertReparseNSS) {
  TestCertReparse(kPKCS7NSS, sizeof(kPKCS7NSS));
}

TEST(PKCS7Test, CertReparseWindows) {
  TestCertReparse(kPKCS7Windows, sizeof(kPKCS7Windows));
}

TEST(PKCS7Test, CrlReparse) {
  TestCRLReparse(kOpenSSLCRL, sizeof(kOpenSSLCRL));
}

TEST(PKCS7Test, PEMCerts) {
  TestPEMCerts(kPEMCert);
}

TEST(PKCS7Test, PEMCRLs) {
  TestPEMCRLs(kPEMCRL);
}

// Test that we output certificates in the canonical DER order.
TEST(PKCS7Test, SortCerts) {
  // kPKCS7NSS contains three certificates in the canonical DER order.
  CBS pkcs7;
  CBS_init(&pkcs7, kPKCS7NSS, sizeof(kPKCS7NSS));
  bssl::UniquePtr<STACK_OF(X509)> certs(sk_X509_new_null());
  ASSERT_TRUE(certs);
  ASSERT_TRUE(PKCS7_get_certificates(certs.get(), &pkcs7));
  ASSERT_EQ(3u, sk_X509_num(certs.get()));

  X509 *cert1 = sk_X509_value(certs.get(), 0);
  X509 *cert2 = sk_X509_value(certs.get(), 1);
  X509 *cert3 = sk_X509_value(certs.get(), 2);

  auto check_order = [&](X509 *new_cert1, X509 *new_cert2, X509 *new_cert3) {
    // Bundle the certificates in the new order.
    bssl::UniquePtr<STACK_OF(X509)> new_certs(sk_X509_new_null());
    ASSERT_TRUE(new_certs);
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert1)));
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert2)));
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert3)));
    bssl::ScopedCBB cbb;
    ASSERT_TRUE(CBB_init(cbb.get(), sizeof(kPKCS7NSS)));
    ASSERT_TRUE(PKCS7_bundle_certificates(cbb.get(), new_certs.get()));

    // The bundle should be sorted back to the original order.
    CBS cbs;
    CBS_init(&cbs, CBB_data(cbb.get()), CBB_len(cbb.get()));
    bssl::UniquePtr<STACK_OF(X509)> result(sk_X509_new_null());
    ASSERT_TRUE(result);
    ASSERT_TRUE(PKCS7_get_certificates(result.get(), &cbs));
    ASSERT_EQ(sk_X509_num(certs.get()), sk_X509_num(result.get()));
    for (size_t i = 0; i < sk_X509_num(certs.get()); i++) {
      X509 *a = sk_X509_value(certs.get(), i);
      X509 *b = sk_X509_value(result.get(), i);
      EXPECT_EQ(0, X509_cmp(a, b));
    }
  };

  check_order(cert1, cert2, cert3);
  check_order(cert3, cert2, cert1);
  check_order(cert2, cert3, cert1);
}

// Test that we output certificates in the canonical DER order, using the
// CRYPTO_BUFFER version of the parse and bundle functions.
TEST(PKCS7Test, SortCertsRaw) {
  // kPKCS7NSS contains three certificates in the canonical DER order.
  CBS pkcs7;
  CBS_init(&pkcs7, kPKCS7NSS, sizeof(kPKCS7NSS));
  bssl::UniquePtr<STACK_OF(CRYPTO_BUFFER)> certs(sk_CRYPTO_BUFFER_new_null());
  ASSERT_TRUE(certs);
  ASSERT_TRUE(PKCS7_get_raw_certificates(certs.get(), &pkcs7, nullptr));
  ASSERT_EQ(3u, sk_CRYPTO_BUFFER_num(certs.get()));

  CRYPTO_BUFFER *cert1 = sk_CRYPTO_BUFFER_value(certs.get(), 0);
  CRYPTO_BUFFER *cert2 = sk_CRYPTO_BUFFER_value(certs.get(), 1);
  CRYPTO_BUFFER *cert3 = sk_CRYPTO_BUFFER_value(certs.get(), 2);

  auto check_order = [&](CRYPTO_BUFFER *new_cert1, CRYPTO_BUFFER *new_cert2,
                         CRYPTO_BUFFER *new_cert3) {
    // Bundle the certificates in the new order.
    bssl::UniquePtr<STACK_OF(CRYPTO_BUFFER)> new_certs(
        sk_CRYPTO_BUFFER_new_null());
    ASSERT_TRUE(new_certs);
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert1)));
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert2)));
    ASSERT_TRUE(bssl::PushToStack(new_certs.get(), bssl::UpRef(new_cert3)));
    bssl::ScopedCBB cbb;
    ASSERT_TRUE(CBB_init(cbb.get(), sizeof(kPKCS7NSS)));
    ASSERT_TRUE(PKCS7_bundle_raw_certificates(cbb.get(), new_certs.get()));

    // The bundle should be sorted back to the original order.
    CBS cbs;
    CBS_init(&cbs, CBB_data(cbb.get()), CBB_len(cbb.get()));
    bssl::UniquePtr<STACK_OF(CRYPTO_BUFFER)> result(
        sk_CRYPTO_BUFFER_new_null());
    ASSERT_TRUE(result);
    ASSERT_TRUE(PKCS7_get_raw_certificates(result.get(), &cbs, nullptr));
    ASSERT_EQ(sk_CRYPTO_BUFFER_num(certs.get()),
              sk_CRYPTO_BUFFER_num(result.get()));
    for (size_t i = 0; i < sk_CRYPTO_BUFFER_num(certs.get()); i++) {
      CRYPTO_BUFFER *a = sk_CRYPTO_BUFFER_value(certs.get(), i);
      CRYPTO_BUFFER *b = sk_CRYPTO_BUFFER_value(result.get(), i);
      EXPECT_EQ(Bytes(CRYPTO_BUFFER_data(a), CRYPTO_BUFFER_len(a)),
                Bytes(CRYPTO_BUFFER_data(b), CRYPTO_BUFFER_len(b)));
    }
  };

  check_order(cert1, cert2, cert3);
  check_order(cert3, cert2, cert1);
  check_order(cert2, cert3, cert1);
}

// Test that we output CRLs in the canonical DER order.
TEST(PKCS7Test, SortCRLs) {
  static const char kCRL1[] = R"(
-----BEGIN X509 CRL-----
MIIBpzCBkAIBATANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJVUzETMBEGA1UE
CAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91bnRhaW4gVmlldzESMBAGA1UECgwJ
Qm9yaW5nU1NMFw0xNjA5MjYxNTEwNTVaFw0xNjEwMjYxNTEwNTVaoA4wDDAKBgNV
HRQEAwIBATANBgkqhkiG9w0BAQsFAAOCAQEAnrBKKgvd9x9zwK9rtUvVeFeJ7+LN
ZEAc+a5oxpPNEsJx6hXoApYEbzXMxuWBQoCs5iEBycSGudct21L+MVf27M38KrWo
eOkq0a2siqViQZO2Fb/SUFR0k9zb8xl86Zf65lgPplALun0bV/HT7MJcl04Tc4os
dsAReBs5nqTGNEd5AlC1iKHvQZkM//MD51DspKnDpsDiUVi54h9C1SpfZmX8H2Vv
diyu0fZ/bPAM3VAGawatf/SyWfBMyKpoPXEG39oAzmjjOj8en82psn7m474IGaho
/vBbhl1ms5qQiLYPjm4YELtnXQoFyC72tBjbdFd/ZE9k4CNKDbxFUXFbkw==
-----END X509 CRL-----
)";
  static const char kCRL2[] = R"(
-----BEGIN X509 CRL-----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-----END X509 CRL-----
)";

  bssl::UniquePtr<BIO> bio(BIO_new_mem_buf(kCRL1, strlen(kCRL1)));
  ASSERT_TRUE(bio);
  bssl::UniquePtr<X509_CRL> crl1(
      PEM_read_bio_X509_CRL(bio.get(), nullptr, nullptr, nullptr));
  ASSERT_TRUE(crl1);
  bio.reset(BIO_new_mem_buf(kCRL2, strlen(kCRL2)));
  ASSERT_TRUE(bio);
  bssl::UniquePtr<X509_CRL> crl2(
      PEM_read_bio_X509_CRL(bio.get(), nullptr, nullptr, nullptr));
  ASSERT_TRUE(crl2);

  // DER's SET OF ordering sorts by tag, then length, so |crl1| comes before
  // |crl2|.
  auto check_order = [&](X509_CRL *new_crl1, X509_CRL *new_crl2) {
    // Bundle the CRLs in the new order.
    bssl::UniquePtr<STACK_OF(X509_CRL)> new_crls(sk_X509_CRL_new_null());
    ASSERT_TRUE(new_crls);
    ASSERT_TRUE(bssl::PushToStack(new_crls.get(), bssl::UpRef(new_crl1)));
    ASSERT_TRUE(bssl::PushToStack(new_crls.get(), bssl::UpRef(new_crl2)));
    bssl::ScopedCBB cbb;
    ASSERT_TRUE(CBB_init(cbb.get(), 64));
    ASSERT_TRUE(PKCS7_bundle_CRLs(cbb.get(), new_crls.get()));

    // The bundle should be sorted back to the original order.
    CBS cbs;
    CBS_init(&cbs, CBB_data(cbb.get()), CBB_len(cbb.get()));
    bssl::UniquePtr<STACK_OF(X509_CRL)> result(sk_X509_CRL_new_null());
    ASSERT_TRUE(result);
    ASSERT_TRUE(PKCS7_get_CRLs(result.get(), &cbs));
    ASSERT_EQ(2u, sk_X509_CRL_num(result.get()));
    EXPECT_EQ(0, X509_CRL_cmp(crl1.get(), sk_X509_CRL_value(result.get(), 0)));
    EXPECT_EQ(0, X509_CRL_cmp(crl2.get(), sk_X509_CRL_value(result.get(), 1)));
  };

  check_order(crl1.get(), crl2.get());
  check_order(crl2.get(), crl1.get());
}

TEST(PKCS7Test, KernelModuleSigning) {
  // Sign a message with the same call that the Linux kernel's sign-file.c
  // makes.
  static const char kCert[] = R"(
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----
)";

  static const char kKey[] = R"(
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----
)";

  bssl::UniquePtr<BIO> cert_bio(
      BIO_new_mem_buf(const_cast<char *>(kCert), sizeof(kCert) - 1));
  bssl::UniquePtr<X509> cert(
      PEM_read_bio_X509(cert_bio.get(), nullptr, nullptr, nullptr));

  bssl::UniquePtr<BIO> key_bio(
      BIO_new_mem_buf(const_cast<char *>(kKey), sizeof(kKey) - 1));
  bssl::UniquePtr<EVP_PKEY> key(
      PEM_read_bio_PrivateKey(key_bio.get(), nullptr, nullptr, nullptr));

  static const char kSignedData[] = "signed data";
  bssl::UniquePtr<BIO> data_bio(BIO_new_mem_buf(const_cast<char *>(kSignedData),
                                                sizeof(kSignedData) - 1));

  bssl::UniquePtr<PKCS7> pkcs7(
      PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
                 PKCS7_NOATTR | PKCS7_BINARY | PKCS7_NOCERTS | PKCS7_DETACHED));
  ASSERT_TRUE(pkcs7);

  uint8_t *pkcs7_bytes = nullptr;
  const int pkcs7_len = i2d_PKCS7(pkcs7.get(), &pkcs7_bytes);
  ASSERT_GE(pkcs7_len, 0);
  bssl::UniquePtr<uint8_t> pkcs7_storage(pkcs7_bytes);

  // RSA signatures are deterministic so the output should not change.
  static const uint8_t kExpectedOutput[] = {
      0x30, 0x82, 0x02, 0xbc, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
      0x01, 0x07, 0x02, 0xa0, 0x82, 0x02, 0xad, 0x30, 0x82, 0x02, 0xa9, 0x02,
      0x01, 0x01, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
      0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0b, 0x06, 0x09, 0x2a, 0x86, 0x48,
      0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0x31, 0x82, 0x02, 0x86, 0x30, 0x82,
      0x02, 0x82, 0x02, 0x01, 0x01, 0x30, 0x5d, 0x30, 0x45, 0x31, 0x0b, 0x30,
      0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x41, 0x55, 0x31, 0x13,
      0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x53, 0x6f, 0x6d,
      0x65, 0x2d, 0x53, 0x74, 0x61, 0x74, 0x65, 0x31, 0x21, 0x30, 0x1f, 0x06,
      0x03, 0x55, 0x04, 0x0a, 0x0c, 0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e,
      0x65, 0x74, 0x20, 0x57, 0x69, 0x64, 0x67, 0x69, 0x74, 0x73, 0x20, 0x50,
      0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x02, 0x14, 0x45, 0x59, 0x0f, 0xcc,
      0x5f, 0xf8, 0x77, 0x0c, 0xbb, 0xe3, 0x5f, 0x50, 0x93, 0xbe, 0x6e, 0x84,
      0x8b, 0xb2, 0x7f, 0x41, 0x30, 0x0b, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
      0x65, 0x03, 0x04, 0x02, 0x01, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
      0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82, 0x02, 0x00,
      0x54, 0xd4, 0x7c, 0xdc, 0x19, 0x86, 0xa1, 0xb2, 0xbe, 0xe3, 0xa4, 0x5e,
      0xad, 0x16, 0x6f, 0x7c, 0xf9, 0xa6, 0x40, 0x90, 0xb8, 0x78, 0x85, 0xf1,
      0x02, 0x59, 0xe5, 0x9f, 0x83, 0xfb, 0x20, 0xcf, 0x29, 0x52, 0xb6, 0x35,
      0x5c, 0xf9, 0xef, 0x4e, 0xc5, 0xd3, 0xa6, 0x45, 0x6e, 0xfa, 0x0a, 0xa7,
      0x53, 0xc8, 0xf4, 0xf9, 0xd6, 0xc5, 0xd8, 0xd8, 0x04, 0x3d, 0xb4, 0x15,
      0xa7, 0x7a, 0x53, 0xdd, 0x27, 0xfa, 0x58, 0x2e, 0x5e, 0xc4, 0xcd, 0x45,
      0xaa, 0xc2, 0x7b, 0xf9, 0x3d, 0xd7, 0x22, 0x20, 0x90, 0xbb, 0xa5, 0x62,
      0xd5, 0xaa, 0x39, 0x8f, 0xc1, 0x00, 0xef, 0x4b, 0x03, 0x2c, 0x32, 0xc0,
      0xad, 0x27, 0xb6, 0xfe, 0x86, 0xe5, 0x9d, 0xf0, 0xbe, 0xb1, 0x0d, 0xa4,
      0xa3, 0x40, 0xe0, 0xaa, 0x0a, 0x13, 0x6e, 0x61, 0x9a, 0x3b, 0xae, 0x78,
      0xd4, 0x6f, 0x2d, 0x1d, 0x40, 0x4b, 0xe3, 0x5f, 0xf8, 0xe8, 0x21, 0x89,
      0x35, 0x73, 0x6d, 0x7e, 0x41, 0xc6, 0x0f, 0x0c, 0x01, 0x64, 0x61, 0xa8,
      0x37, 0xef, 0x2b, 0x95, 0xb7, 0x34, 0xac, 0xc7, 0xdb, 0x66, 0x87, 0x45,
      0xb4, 0x0f, 0x60, 0x01, 0x07, 0x29, 0x74, 0x32, 0x0b, 0xae, 0xbc, 0x08,
      0x88, 0x15, 0xc3, 0x79, 0x4a, 0x1c, 0x5a, 0x9c, 0xc2, 0xfb, 0x4f, 0xd3,
      0x17, 0xc2, 0x40, 0x71, 0x37, 0xea, 0xa6, 0x1e, 0xf0, 0x5b, 0xa5, 0xd7,
      0x9b, 0x9e, 0x57, 0x44, 0x74, 0xc5, 0xd5, 0x5f, 0xba, 0xbc, 0xd7, 0xe1,
      0xae, 0xd0, 0xd3, 0xb5, 0x10, 0xc6, 0x8b, 0xb1, 0x83, 0x7c, 0xaa, 0x3a,
      0xbb, 0xe8, 0x7f, 0x56, 0xc4, 0x3b, 0x9d, 0x45, 0x09, 0x9b, 0x34, 0xc9,
      0xfb, 0x5a, 0xa1, 0xab, 0xd0, 0x07, 0x79, 0x43, 0x58, 0x44, 0xd7, 0x40,
      0xc4, 0xa7, 0xd3, 0xe9, 0x18, 0xb9, 0x78, 0x1d, 0x93, 0x0b, 0xc1, 0xdb,
      0xc3, 0xae, 0xc9, 0xe8, 0x2c, 0xa7, 0x8c, 0x7e, 0x31, 0x1e, 0xec, 0x1c,
      0xab, 0x83, 0xa0, 0x5d, 0x0e, 0xc3, 0x6a, 0x7c, 0x97, 0x09, 0xcf, 0x00,
      0xa9, 0x66, 0xda, 0x21, 0x85, 0xaa, 0x47, 0xd8, 0xea, 0x8f, 0x72, 0x54,
      0x03, 0x6c, 0xbc, 0x4b, 0xf9, 0x92, 0xae, 0x82, 0x75, 0x33, 0x10, 0x4d,
      0x65, 0x4d, 0x0e, 0x73, 0x5d, 0x6f, 0x09, 0xee, 0x56, 0x78, 0x87, 0x0b,
      0xa3, 0xaa, 0xc2, 0x5f, 0x49, 0x73, 0x0d, 0x78, 0xfa, 0x40, 0xc1, 0x25,
      0x2f, 0x5d, 0x8a, 0xe1, 0xbf, 0x38, 0x2c, 0xd0, 0x26, 0xbd, 0xf5, 0x6e,
      0x02, 0x01, 0x2e, 0x9e, 0x27, 0x64, 0x4b, 0x61, 0x8c, 0x68, 0x6e, 0x09,
      0xfe, 0x0b, 0xf8, 0x36, 0x4e, 0x84, 0xb7, 0x76, 0xcb, 0x41, 0xf0, 0x40,
      0x72, 0xc9, 0x74, 0x64, 0x5f, 0xbe, 0x9e, 0xfe, 0x9e, 0xce, 0x89, 0x84,
      0x68, 0x81, 0x57, 0x2a, 0xdb, 0xd6, 0x01, 0xa8, 0x1b, 0x6e, 0x5d, 0xc4,
      0x65, 0xbd, 0x0d, 0x98, 0x54, 0xa3, 0x18, 0x23, 0x09, 0x4a, 0x8d, 0x6c,
      0xc6, 0x2e, 0xfe, 0x7a, 0xa9, 0x11, 0x92, 0x8b, 0xd0, 0xc1, 0xe7, 0x76,
      0x71, 0xec, 0x34, 0xfc, 0xc8, 0x2a, 0x5e, 0x38, 0x52, 0xe6, 0xc8, 0xa5,
      0x1d, 0x0b, 0xce, 0xf5, 0xc0, 0xe5, 0x0b, 0x88, 0xa9, 0x55, 0x88, 0x6c,
      0xfa, 0xea, 0xaa, 0x39, 0x66, 0xdd, 0x80, 0x52, 0xe0, 0x7e, 0x45, 0x8e,
      0x51, 0x2c, 0x36, 0x07, 0xd7, 0x2b, 0xf1, 0x46, 0x00, 0x66, 0xb2, 0x5a,
      0x39, 0xbe, 0xf7, 0x26, 0x15, 0xbc, 0x55, 0xdb, 0xe9, 0x01, 0xdd, 0x54,
      0x27, 0x2b, 0xfe, 0x86, 0x52, 0xef, 0xc6, 0x27, 0xa3, 0xf7, 0x55, 0x55,
      0xb8, 0xe2, 0x1f, 0xcb, 0x32, 0xd8, 0xba, 0xd6, 0x69, 0xde, 0x8d, 0xa7,
      0xfa, 0xad, 0xf6, 0x2a, 0xc0, 0x6f, 0x86, 0x50, 0x27, 0x5a, 0xe2, 0xe3,
      0xf6, 0xb9, 0x01, 0xec, 0x01, 0x37, 0x84, 0x01,
  };
  EXPECT_EQ(Bytes(pkcs7_bytes, pkcs7_len),
            Bytes(kExpectedOutput, sizeof(kExpectedOutput)));

  // Other option combinations should fail.
  EXPECT_FALSE(
      PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
                 PKCS7_NOATTR | PKCS7_BINARY | PKCS7_NOCERTS));
  EXPECT_FALSE(
      PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
                 PKCS7_BINARY | PKCS7_NOCERTS | PKCS7_DETACHED));
  EXPECT_FALSE(
      PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
                 PKCS7_NOATTR | PKCS7_TEXT | PKCS7_NOCERTS | PKCS7_DETACHED));
  EXPECT_FALSE(
      PKCS7_sign(cert.get(), key.get(), /*certs=*/nullptr, data_bio.get(),
                 PKCS7_NOATTR | PKCS7_BINARY | PKCS7_DETACHED));

  ERR_clear_error();
}
