1/*
2 * Copyright (C) 2017 Apple Inc. All rights reserved.
3 * Copyright (C) 2017 Metrological Group B.V.
4 * Copyright (C) 2017 Igalia S.L.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
17 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
25 * THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#pragma once
29
30#include "CryptoAlgorithmIdentifier.h"
31#include <array>
32#include <cstring>
33#include <gcrypt.h>
34#include <pal/crypto/CryptoDigest.h>
35#include <pal/crypto/gcrypt/Handle.h>
36#include <pal/crypto/gcrypt/Utilities.h>
37
38namespace WebCore {
39
40namespace CryptoConstants {
41
42static const std::array<uint8_t, 18> s_ecPublicKeyIdentifier { { "1.2.840.10045.2.1" } };
43static const std::array<uint8_t, 13> s_ecDHIdentifier { { "1.3.132.1.12" } };
44
45static const std::array<uint8_t, 20> s_secp256r1Identifier { { "1.2.840.10045.3.1.7" } };
46static const std::array<uint8_t, 13> s_secp384r1Identifier { { "1.3.132.0.34" } };
47static const std::array<uint8_t, 13> s_secp521r1Identifier { { "1.3.132.0.35" } };
48
49static const std::array<uint8_t, 21> s_rsaEncryptionIdentifier { { "1.2.840.113549.1.1.1" } };
50static const std::array<uint8_t, 21> s_RSAES_OAEPIdentifier { { "1.2.840.113549.1.1.7" } };
51static const std::array<uint8_t, 22> s_RSASSA_PSSIdentifier { { "1.2.840.113549.1.1.10" } };
52
53static const std::array<uint8_t, 2> s_asn1NullValue { { 0x05, 0x00 } };
54static const std::array<uint8_t, 1> s_asn1Version0 { { 0x00 } };
55static const std::array<uint8_t, 1> s_asn1Version1 { { 0x01 } };
56
57static const std::array<uint8_t, 1> s_ecUncompressedFormatLeadingByte { { 0x04 } };
58
59template<size_t N>
60static inline bool matches(const void* lhs, size_t size, const std::array<uint8_t, N>& rhs)
61{
62 if (size != rhs.size())
63 return false;
64
65 return !std::memcmp(lhs, rhs.data(), rhs.size());
66}
67
68} // namespace CryptoConstants
69
70Optional<const char*> hashAlgorithmName(CryptoAlgorithmIdentifier);
71
72Optional<int> hmacAlgorithm(CryptoAlgorithmIdentifier);
73Optional<int> digestAlgorithm(CryptoAlgorithmIdentifier);
74Optional<PAL::CryptoDigest::Algorithm> hashCryptoDigestAlgorithm(CryptoAlgorithmIdentifier);
75
76Optional<size_t> mpiLength(gcry_mpi_t);
77Optional<size_t> mpiLength(gcry_sexp_t);
78Optional<Vector<uint8_t>> mpiData(gcry_mpi_t);
79Optional<Vector<uint8_t>> mpiZeroPrefixedData(gcry_mpi_t, size_t targetLength);
80Optional<Vector<uint8_t>> mpiData(gcry_sexp_t);
81Optional<Vector<uint8_t>> mpiZeroPrefixedData(gcry_sexp_t, size_t targetLength);
82Optional<Vector<uint8_t>> mpiSignedData(gcry_mpi_t);
83Optional<Vector<uint8_t>> mpiSignedData(gcry_sexp_t);
84
85} // namespace WebCore
86