| /* |
| * Copyright (C) 2013 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 "modules/crypto/Key.h" |
| |
| #include "modules/crypto/Algorithm.h" |
| |
| namespace WebCore { |
| |
| namespace { |
| |
| const char* keyTypeToString(WebKit::WebCryptoKeyType type) |
| { |
| switch (type) { |
| case WebKit::WebCryptoKeyTypeSecret: |
| return "secret"; |
| case WebKit::WebCryptoKeyTypePublic: |
| return "public"; |
| case WebKit::WebCryptoKeyTypePrivate: |
| return "private"; |
| } |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| |
| const char* keyUsageToString(WebKit::WebCryptoKeyUsage usage) |
| { |
| switch (usage) { |
| case WebKit::WebCryptoKeyUsageEncrypt: |
| return "encrypt"; |
| case WebKit::WebCryptoKeyUsageDecrypt: |
| return "decrypt"; |
| case WebKit::WebCryptoKeyUsageSign: |
| return "sign"; |
| case WebKit::WebCryptoKeyUsageVerify: |
| return "verify"; |
| case WebKit::WebCryptoKeyUsageDeriveKey: |
| return "deriveKey"; |
| case WebKit::WebCryptoKeyUsageWrapKey: |
| return "wrapKey"; |
| case WebKit::WebCryptoKeyUsageUnwrapKey: |
| return "unwrapKey"; |
| case WebKit::EndOfWebCryptoKeyUsage: |
| break; |
| } |
| ASSERT_NOT_REACHED(); |
| return 0; |
| } |
| |
| } // namespace |
| |
| Key::Key(const WebKit::WebCryptoKey& key) |
| : m_key(key) |
| { |
| ScriptWrappable::init(this); |
| } |
| |
| String Key::type() const |
| { |
| return ASCIILiteral(keyTypeToString(m_key.type())); |
| } |
| |
| bool Key::extractable() const |
| { |
| return m_key.extractable(); |
| } |
| |
| Algorithm* Key::algorithm() |
| { |
| if (!m_algorithm) |
| m_algorithm = Algorithm::create(m_key.algorithm()); |
| return m_algorithm.get(); |
| } |
| |
| // FIXME: This creates a new javascript array each time. What should happen |
| // instead is return the same (immutable) array. (Javascript callers can |
| // distinguish this by doing an == test on the arrays and seeing they are |
| // different). |
| Vector<String> Key::usages() const |
| { |
| Vector<String> result; |
| |
| // The WebCryptoKeyUsage values are consecutive powers of 2. Test each one in order. |
| for (int i = 0; (1 << i) < WebKit::EndOfWebCryptoKeyUsage; ++i) { |
| WebKit::WebCryptoKeyUsage usage = static_cast<WebKit::WebCryptoKeyUsage>(1 << i); |
| if (m_key.usages() & usage) |
| result.append(ASCIILiteral(keyUsageToString(usage))); |
| } |
| return result; |
| } |
| |
| } // namespace WebCore |