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-rw-r--r--src/crypto/isa-l/isal_crypto_accel.cc43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/crypto/isa-l/isal_crypto_accel.cc b/src/crypto/isa-l/isal_crypto_accel.cc
new file mode 100644
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+++ b/src/crypto/isa-l/isal_crypto_accel.cc
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+/*
+ * 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;
+}