1 files changed, 49 insertions, 0 deletions
diff --git a/src/crypto/openssl/openssl_crypto_accel.cc b/src/crypto/openssl/openssl_crypto_accel.cc
new file mode 100644
index 00000000..156a2771
--- /dev/null
+++ b/src/crypto/openssl/openssl_crypto_accel.cc
@@ -0,0 +1,49 @@
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2017 Intel Corporation
+ *
+ * Author: Qiaowei Ren <qiaowei.ren@intel.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ */
+
+#include "crypto/openssl/openssl_crypto_accel.h"
+#include <openssl/aes.h>
+
+bool OpenSSLCryptoAccel::cbc_encrypt(unsigned char* out, const unsigned char* in, size_t size,
+                             const unsigned char (&iv)[AES_256_IVSIZE],
+                             const unsigned char (&key)[AES_256_KEYSIZE])
+{
+  if ((size % AES_256_IVSIZE) != 0) {
+    return false;
+  }
+
+  AES_KEY aes_key;
+  if (AES_set_encrypt_key(const_cast<unsigned char*>(&key[0]), 256, &aes_key) < 0)
+    return false;
+
+  AES_cbc_encrypt(const_cast<unsigned char*>(in), out, size, &aes_key,
+                  const_cast<unsigned char*>(&iv[0]), AES_ENCRYPT);
+  return true;
+}
+bool OpenSSLCryptoAccel::cbc_decrypt(unsigned char* out, const unsigned char* in, size_t size,
+                             const unsigned char (&iv)[AES_256_IVSIZE],
+                             const unsigned char (&key)[AES_256_KEYSIZE])
+{
+  if ((size % AES_256_IVSIZE) != 0) {
+    return false;
+  }
+
+  AES_KEY aes_key;
+  if (AES_set_decrypt_key(const_cast<unsigned char*>(&key[0]), 256, &aes_key) < 0)
+    return false;
+
+  AES_cbc_encrypt(const_cast<unsigned char*>(in), out, size, &aes_key,
+                  const_cast<unsigned char*>(&iv[0]), AES_DECRYPT);
+  return true;
+}