| /* |
| * Copyright (C) 2013 Apple Inc. All rights reserved. |
| * |
| * 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 "CryptoKey.h" |
| |
| #if ENABLE(SUBTLE_CRYPTO) |
| |
| #include "CryptoAlgorithmDescriptionBuilder.h" |
| #include "CryptoAlgorithmRegistry.h" |
| #include <wtf/CryptographicallyRandomNumber.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| CryptoKey::CryptoKey(CryptoAlgorithmIdentifier algorithm, CryptoKeyType type, bool extractable, CryptoKeyUsage usages) |
| : m_algorithm(algorithm) |
| , m_type(type) |
| , m_extractable(extractable) |
| , m_usages(usages) |
| { |
| } |
| |
| CryptoKey::~CryptoKey() |
| { |
| } |
| |
| String CryptoKey::type() const |
| { |
| switch (m_type) { |
| case CryptoKeyType::Secret: |
| return ASCIILiteral("secret"); |
| case CryptoKeyType::Public: |
| return ASCIILiteral("public"); |
| case CryptoKeyType::Private: |
| return ASCIILiteral("private"); |
| } |
| RELEASE_ASSERT_NOT_REACHED(); |
| return emptyString(); |
| } |
| |
| void CryptoKey::buildAlgorithmDescription(CryptoAlgorithmDescriptionBuilder& builder) const |
| { |
| builder.add("name", CryptoAlgorithmRegistry::singleton().nameForIdentifier(m_algorithm)); |
| // Subclasses will add other keys. |
| } |
| |
| Vector<String> CryptoKey::usages() const |
| { |
| // The result is ordered alphabetically. |
| Vector<String> result; |
| if (m_usages & CryptoKeyUsageDecrypt) |
| result.append(ASCIILiteral("decrypt")); |
| if (m_usages & CryptoKeyUsageDeriveBits) |
| result.append(ASCIILiteral("deriveBits")); |
| if (m_usages & CryptoKeyUsageDeriveKey) |
| result.append(ASCIILiteral("deriveKey")); |
| if (m_usages & CryptoKeyUsageEncrypt) |
| result.append(ASCIILiteral("encrypt")); |
| if (m_usages & CryptoKeyUsageSign) |
| result.append(ASCIILiteral("sign")); |
| if (m_usages & CryptoKeyUsageUnwrapKey) |
| result.append(ASCIILiteral("unwrapKey")); |
| if (m_usages & CryptoKeyUsageVerify) |
| result.append(ASCIILiteral("verify")); |
| if (m_usages & CryptoKeyUsageWrapKey) |
| result.append(ASCIILiteral("wrapKey")); |
| |
| return result; |
| } |
| |
| #if !OS(DARWIN) || PLATFORM(EFL) || PLATFORM(GTK) |
| Vector<uint8_t> CryptoKey::randomData(size_t size) |
| { |
| Vector<uint8_t> result(size); |
| cryptographicallyRandomValues(result.data(), result.size()); |
| return result; |
| } |
| #endif |
| } // namespace WebCore |
| |
| #endif // ENABLE(SUBTLE_CRYPTO) |