initial code repo

[stor4nfv.git] / src / ceph / src / crypto / isa-l / isal_crypto_accel.cc

diff --git a/src/ceph/src/crypto/isa-l/isal_crypto_accel.cc b/src/ceph/src/crypto/isa-l/isal_crypto_accel.cc
new file mode 100644 (file)
index 0000000..7dccf64
--- /dev/null
+++ b/src/ceph/src/crypto/isa-l/isal_crypto_accel.cc
@@ -0,0 +1,43 @@
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 Mirantis, Inc.
+ *
+ * Author: Adam Kupczyk <akupczyk@mirantis.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/isa-l/isal_crypto_accel.h"
+
+#include "crypto/isa-l/isa-l_crypto/include/aes_cbc.h"
+
+bool ISALCryptoAccel::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;
+  }
+  alignas(16) struct cbc_key_data keys_blk;
+  aes_cbc_precomp(const_cast<unsigned char*>(&key[0]), AES_256_KEYSIZE, &keys_blk);
+  aes_cbc_enc_256(const_cast<unsigned char*>(in),
+                  const_cast<unsigned char*>(&iv[0]), keys_blk.enc_keys, out, size);
+  return true;
+}
+bool ISALCryptoAccel::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;
+  }
+  alignas(16) struct cbc_key_data keys_blk;
+  aes_cbc_precomp(const_cast<unsigned char*>(&key[0]), AES_256_KEYSIZE, &keys_blk);
+  aes_cbc_dec_256(const_cast<unsigned char*>(in), const_cast<unsigned char*>(&iv[0]), keys_blk.dec_keys, out, size);
+  return true;
+}