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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:15:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 12:15:43 +0000
commitf5f56e1a1c4d9e9496fcb9d81131066a964ccd23 (patch)
tree49e44c6f87febed37efb953ab5485aa49f6481a7 /src/lib/cryptolink/openssl_link.cc
parentInitial commit. (diff)
downloadisc-kea-f5f56e1a1c4d9e9496fcb9d81131066a964ccd23.tar.xz
isc-kea-f5f56e1a1c4d9e9496fcb9d81131066a964ccd23.zip
Adding upstream version 2.4.1.upstream/2.4.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/lib/cryptolink/openssl_link.cc')
-rw-r--r--src/lib/cryptolink/openssl_link.cc84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/lib/cryptolink/openssl_link.cc b/src/lib/cryptolink/openssl_link.cc
new file mode 100644
index 0000000..4bceb8f
--- /dev/null
+++ b/src/lib/cryptolink/openssl_link.cc
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+// Copyright (C) 2014-2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <cryptolink/cryptolink.h>
+#include <cryptolink/crypto_rng.h>
+#include <cryptolink/crypto_hash.h>
+#include <cryptolink/crypto_hmac.h>
+
+#include <openssl/crypto.h>
+#include <openssl/rand.h>
+
+namespace isc {
+namespace cryptolink {
+
+// For OpenSSL, we use the CryptoLink class object in RAII style
+class CryptoLinkImpl {
+};
+
+CryptoLink::~CryptoLink() {
+}
+
+/// \brief OpenSSL implementation of RNG.
+class RNGImpl : public RNG {
+public:
+ RNGImpl() { }
+
+ ~RNGImpl() { }
+
+private:
+ std::vector<uint8_t> random(size_t len) {
+ std::vector<uint8_t> data;
+ if (len > 0) {
+ data.resize(len);
+ if (RAND_bytes(&data[0], len) != 1) {
+ isc_throw(isc::cryptolink::LibraryError,
+ "OpenSSL RAND_bytes() failed");
+ }
+ }
+ return (data);
+ }
+};
+
+void
+CryptoLink::initialize(CryptoLink& c) {
+ if (!c.impl_) {
+ try {
+ c.impl_.reset(new CryptoLinkImpl());
+ } catch (const std::exception &ex) {
+ // Should never happen
+ isc_throw(InitializationError,
+ "Error during OpenSSL initialization:" << ex.what());
+ } catch (...) {
+ // Should never happen
+ isc_throw(InitializationError,
+ "Error during OpenSSL initialization");
+ }
+ }
+ if (!c.rng_) {
+ try {
+ c.rng_.reset(new RNGImpl());
+ } catch (const std::exception &ex) {
+ // Should never happen
+ isc_throw(InitializationError,
+ "Error during OpenSSL RNG initialization:" << ex.what());
+ } catch (...) {
+ // Should never happen
+ isc_throw(InitializationError,
+ "Error during OpenSSL RNG initialization");
+ }
+ }
+}
+
+std::string
+CryptoLink::getVersion() {
+ return (SSLeay_version(SSLEAY_VERSION));
+}
+
+} // namespace cryptolink
+} // namespace isc