applied #2406: OpenSSL alternate crypto backend

1 files changed, 42 insertions, 0 deletions

diff --git a/src/lib/cryptolink/crypto_hash.cc b/src/lib/cryptolink/crypto_hash.cc
new file mode 100644
index 0000000000..95f0fadb49
--- /dev/null
+++ b/src/lib/cryptolink/crypto_hash.cc
@@ -0,0 +1,42 @@
+// Copyright (C) 2014  Internet Systems Consortium, Inc. ("ISC")
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+#include <cryptolink.h>
+#include <cryptolink/crypto_hash.h>
+
+#include <boost/scoped_ptr.hpp>
+
+#include <cstring>
+
+namespace isc {
+namespace cryptolink {
+
+void
+digest(const void* data, const size_t data_len,
+       const HashAlgorithm hash_algorithm,
+       isc::util::OutputBuffer& result, size_t len)
+{
+    boost::scoped_ptr<Hash> hash(
+        CryptoLink::getCryptoLink().createHash(hash_algorithm));
+    hash->update(data, data_len);
+    hash->final(result, len);
+}
+
+void
+deleteHash(Hash* hash) {
+    delete hash;
+}
+
+} // namespace cryptolink
+} // namespace isc