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/*
* Copyright (C) 2017 Metrological Group B.V.
* Copyright (C) 2017 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Utilities.h"
#include <mutex>
#include <wtf/Vector.h>
namespace PAL {
namespace TASN1 {
static asn1_node asn1Definitions()
{
// Generated with `asn1Parser WebCrypto.asn`.
static asn1_node s_definitions;
static const asn1_static_node s_WebCryptoASN1[] = {
{ "WebCrypto", 536872976, nullptr },
{ nullptr, 1073741836, nullptr },
{ "SubjectPublicKeyInfo", 1610612741, nullptr },
{ "algorithm", 1073741826, "AlgorithmIdentifier"},
{ "subjectPublicKey", 6, nullptr },
{ "AlgorithmIdentifier", 1610612741, nullptr },
{ "algorithm", 1073741836, nullptr },
{ "parameters", 541081613, nullptr },
{ "algorithm", 1, nullptr },
{ "PrivateKeyInfo", 1610612741, nullptr },
{ "version", 1073741826, "Version"},
{ "privateKeyAlgorithm", 1073741826, "PrivateKeyAlgorithmIdentifier"},
{ "privateKey", 1073741826, "PrivateKey"},
{ "attributes", 536895490, "Attributes"},
{ nullptr, 4104, "0"},
{ "Version", 1073741827, nullptr },
{ "PrivateKeyAlgorithmIdentifier", 1073741826, "AlgorithmIdentifier"},
{ "PrivateKey", 1073741831, nullptr },
{ "CurvePrivateKey", 1073741831, nullptr },
{ "Attributes", 1610612751, nullptr },
{ nullptr, 2, "Attribute"},
{ "Attribute", 1610612741, nullptr },
{ "type", 1073741836, nullptr },
{ "values", 2, "AttributeSetValue"},
{ "AttributeSetValue", 1610612751, nullptr },
{ nullptr, 13, nullptr },
{ "ECParameters", 1610612754, nullptr },
{ "namedCurve", 12, nullptr },
{ "ECPrivateKey", 1610612741, nullptr },
{ "version", 1073741827, nullptr },
{ "privateKey", 1073741831, nullptr },
{ "parameters", 1610637314, "ECParameters"},
{ nullptr, 2056, "0"},
{ "publicKey", 536895494, nullptr },
{ nullptr, 2056, "1"},
{ "RSAPublicKey", 1610612741, nullptr },
{ "modulus", 1073741827, nullptr },
{ "publicExponent", 3, nullptr },
{ "RSAPrivateKey", 1610612741, nullptr },
{ "version", 1073741826, "Version"},
{ "modulus", 1073741827, nullptr },
{ "publicExponent", 1073741827, nullptr },
{ "privateExponent", 1073741827, nullptr },
{ "prime1", 1073741827, nullptr },
{ "prime2", 1073741827, nullptr },
{ "exponent1", 1073741827, nullptr },
{ "exponent2", 1073741827, nullptr },
{ "coefficient", 1073741827, nullptr },
{ "otherPrimeInfos", 16386, "OtherPrimeInfos"},
{ "OtherPrimeInfos", 1612709899, nullptr },
{ "MAX", 1074266122, "1"},
{ nullptr, 2, "OtherPrimeInfo"},
{ "OtherPrimeInfo", 536870917, nullptr },
{ "prime", 1073741827, nullptr },
{ "exponent", 1073741827, nullptr },
{ "coefficient", 3, nullptr },
{ nullptr, 0, nullptr }
};
static std::once_flag s_onceFlag;
std::call_once(s_onceFlag, [] { asn1_array2tree(s_WebCryptoASN1, &s_definitions, nullptr); });
return s_definitions;
}
bool createStructure(const char* elementName, asn1_node* root)
{
int ret = asn1_create_element(asn1Definitions(), elementName, root);
return ret == ASN1_SUCCESS;
}
bool decodeStructure(asn1_node* root, const char* elementName, const Vector<uint8_t>& data)
{
if (!createStructure(elementName, root))
return false;
int dataSize = data.size();
int ret = asn1_der_decoding2(root, data.data(), &dataSize, ASN1_DECODE_FLAG_STRICT_DER, nullptr);
return ret == ASN1_SUCCESS;
}
std::optional<Vector<uint8_t>> elementData(asn1_node root, const char* elementName)
{
int length = 0;
unsigned type = 0;
int ret = asn1_read_value_type(root, elementName, nullptr, &length, &type);
if (ret != ASN1_MEM_ERROR)
return std::nullopt;
if (type == ASN1_ETYPE_BIT_STRING) {
if (length % 8)
return std::nullopt;
length /= 8;
}
Vector<uint8_t> data(length);
ret = asn1_read_value(root, elementName, data.data(), &length);
if (ret != ASN1_SUCCESS)
return std::nullopt;
return data;
}
std::optional<Vector<uint8_t>> encodedData(asn1_node root, const char* elementName)
{
int length = 0;
int ret = asn1_der_coding(root, elementName, nullptr, &length, nullptr);
if (ret != ASN1_MEM_ERROR)
return std::nullopt;
Vector<uint8_t> data(length);
ret = asn1_der_coding(root, elementName, data.data(), &length, nullptr);
if (ret != ASN1_SUCCESS)
return std::nullopt;
return data;
}
bool writeElement(asn1_node root, const char* elementName, const void* data, size_t dataSize)
{
int ret = asn1_write_value(root, elementName, data, dataSize);
return ret == ASN1_SUCCESS;
}
} // namespace TASN1
} // namespace PAL
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