1 files changed, 97 insertions, 0 deletions
diff --git a/Source/WebCore/PAL/pal/crypto/gcrypt/CryptoDigestGCrypt.cpp b/Source/WebCore/PAL/pal/crypto/gcrypt/CryptoDigestGCrypt.cpp
new file mode 100644
index 000000000..0a78ae0c3
--- /dev/null
+++ b/Source/WebCore/PAL/pal/crypto/gcrypt/CryptoDigestGCrypt.cpp
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2014 Igalia S.L.
+ * Copyright (C) 2016 SoftAtHome
+ *
+ * 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 "CryptoDigest.h"
+
+#include <gcrypt.h>
+
+namespace PAL {
+
+struct CryptoDigestContext {
+    int algorithm;
+    gcry_md_hd_t md;
+};
+
+CryptoDigest::CryptoDigest()
+    : m_context(new CryptoDigestContext)
+{
+}
+
+CryptoDigest::~CryptoDigest()
+{
+}
+
+std::unique_ptr<CryptoDigest> CryptoDigest::create(CryptoDigest::Algorithm algorithm)
+{
+    int gcryptAlgorithm;
+
+    switch (algorithm) {
+    case CryptoDigest::Algorithm::SHA_1:
+        gcryptAlgorithm = GCRY_MD_SHA1;
+        break;
+    case CryptoDigest::Algorithm::SHA_224:
+        gcryptAlgorithm = GCRY_MD_SHA224;
+        break;
+    case CryptoDigest::Algorithm::SHA_256:
+        gcryptAlgorithm = GCRY_MD_SHA256;
+        break;
+    case CryptoDigest::Algorithm::SHA_384:
+        gcryptAlgorithm = GCRY_MD_SHA384;
+        break;
+    case CryptoDigest::Algorithm::SHA_512:
+        gcryptAlgorithm = GCRY_MD_SHA512;
+        break;
+    }
+
+    std::unique_ptr<CryptoDigest> digest(new CryptoDigest);
+    digest->m_context->algorithm = gcryptAlgorithm;
+
+    gcry_md_open(&digest->m_context->md, gcryptAlgorithm, 0);
+    if (!digest->m_context->md)
+        return nullptr;
+
+    return digest;
+}
+
+void CryptoDigest::addBytes(const void* input, size_t length)
+{
+    gcry_md_write(m_context->md, input, length);
+}
+
+Vector<uint8_t> CryptoDigest::computeHash()
+{
+    int digestLen = gcry_md_get_algo_dlen(m_context->algorithm);
+    Vector<uint8_t> result(digestLen);
+
+    gcry_md_final(m_context->md);
+    memcpy(result.data(), gcry_md_read(m_context->md, 0), digestLen);
+    gcry_md_close(m_context->md);
+
+    return result;
+}
+
+} // namespace PAL