-/*-
- * Support for VIA PadLock Advanced Cryptography Engine (ACE)
- * Written by Michal Ludvig <michal@logix.cz>
- * http://www.logix.cz/michal
- *
- * Big thanks to Andy Polyakov for a help with optimization,
- * assembler fixes, port to MS Windows and a lot of other
- * valuable work on this engine!
- */
-
-/* ====================================================================
- * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/crypto.h>
#include <openssl/engine.h>
#include <openssl/evp.h>
-#ifndef OPENSSL_NO_AES
-# include <openssl/aes.h>
-#endif
+#include <openssl/aes.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/modes.h>
*/
# undef COMPILE_HW_PADLOCK
-# if !defined(I386_ONLY) && !defined(OPENSSL_NO_ASM)
-# if defined(__i386__) || defined(__i386) || \
- defined(__x86_64__) || defined(__x86_64) || \
- defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \
- defined(__INTEL__)
-# define COMPILE_HW_PADLOCK
-# ifdef OPENSSL_NO_DYNAMIC_ENGINE
+# if !defined(I386_ONLY) && defined(PADLOCK_ASM)
+# define COMPILE_HW_PADLOCK
+# ifdef OPENSSL_NO_DYNAMIC_ENGINE
static ENGINE *ENGINE_padlock(void);
-# endif
# endif
# endif
# ifdef OPENSSL_NO_DYNAMIC_ENGINE
-void engine_load_padlock_internal(void);
-void engine_load_padlock_internal(void)
+void engine_load_padlock_int(void);
+void engine_load_padlock_int(void)
{
/* On non-x86 CPUs it just returns. */
# ifdef COMPILE_HW_PADLOCK
static RAND_METHOD padlock_rand;
/* Cipher Stuff */
-# ifndef OPENSSL_NO_AES
static int padlock_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
const int **nids, int nid);
-# endif
/* Engine names */
static const char *padlock_id = "padlock";
if (!ENGINE_set_id(e, padlock_id) ||
!ENGINE_set_name(e, padlock_name) ||
!ENGINE_set_init_function(e, padlock_init) ||
-# ifndef OPENSSL_NO_AES
(padlock_use_ace && !ENGINE_set_ciphers(e, padlock_ciphers)) ||
-# endif
(padlock_use_rng && !ENGINE_set_RAND(e, &padlock_rand))) {
return 0;
}
IMPLEMENT_DYNAMIC_BIND_FN(padlock_bind_fn)
# endif /* DYNAMIC_ENGINE */
/* ===== Here comes the "real" engine ===== */
-# ifndef OPENSSL_NO_AES
+
/* Some AES-related constants */
-# define AES_BLOCK_SIZE 16
-# define AES_KEY_SIZE_128 16
-# define AES_KEY_SIZE_192 24
-# define AES_KEY_SIZE_256 32
+# define AES_BLOCK_SIZE 16
+# define AES_KEY_SIZE_128 16
+# define AES_KEY_SIZE_192 24
+# define AES_KEY_SIZE_256 32
/*
* Here we store the status information relevant to the current context.
*/
} cword; /* Control word */
AES_KEY ks; /* Encryption key */
};
-# endif
/* Interface to assembler module */
unsigned int padlock_capability();
}
/* ===== AES encryption/decryption ===== */
-# ifndef OPENSSL_NO_AES
-# if defined(NID_aes_128_cfb128) && ! defined (NID_aes_128_cfb)
-# define NID_aes_128_cfb NID_aes_128_cfb128
-# endif
+# if defined(NID_aes_128_cfb128) && ! defined (NID_aes_128_cfb)
+# define NID_aes_128_cfb NID_aes_128_cfb128
+# endif
-# if defined(NID_aes_128_ofb128) && ! defined (NID_aes_128_ofb)
-# define NID_aes_128_ofb NID_aes_128_ofb128
-# endif
+# if defined(NID_aes_128_ofb128) && ! defined (NID_aes_128_ofb)
+# define NID_aes_128_ofb NID_aes_128_ofb128
+# endif
-# if defined(NID_aes_192_cfb128) && ! defined (NID_aes_192_cfb)
-# define NID_aes_192_cfb NID_aes_192_cfb128
-# endif
+# if defined(NID_aes_192_cfb128) && ! defined (NID_aes_192_cfb)
+# define NID_aes_192_cfb NID_aes_192_cfb128
+# endif
-# if defined(NID_aes_192_ofb128) && ! defined (NID_aes_192_ofb)
-# define NID_aes_192_ofb NID_aes_192_ofb128
-# endif
+# if defined(NID_aes_192_ofb128) && ! defined (NID_aes_192_ofb)
+# define NID_aes_192_ofb NID_aes_192_ofb128
+# endif
-# if defined(NID_aes_256_cfb128) && ! defined (NID_aes_256_cfb)
-# define NID_aes_256_cfb NID_aes_256_cfb128
-# endif
+# if defined(NID_aes_256_cfb128) && ! defined (NID_aes_256_cfb)
+# define NID_aes_256_cfb NID_aes_256_cfb128
+# endif
-# if defined(NID_aes_256_ofb128) && ! defined (NID_aes_256_ofb)
-# define NID_aes_256_ofb NID_aes_256_ofb128
-# endif
+# if defined(NID_aes_256_ofb128) && ! defined (NID_aes_256_ofb)
+# define NID_aes_256_ofb NID_aes_256_ofb128
+# endif
/* List of supported ciphers. */
static const int padlock_cipher_nids[] = {
static int padlock_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc);
-# define NEAREST_ALIGNED(ptr) ( (unsigned char *)(ptr) + \
+# define NEAREST_ALIGNED(ptr) ( (unsigned char *)(ptr) + \
( (0x10 - ((size_t)(ptr) & 0x0F)) & 0x0F ) )
-# define ALIGNED_CIPHER_DATA(ctx) ((struct padlock_cipher_data *)\
+# define ALIGNED_CIPHER_DATA(ctx) ((struct padlock_cipher_data *)\
NEAREST_ALIGNED(EVP_CIPHER_CTX_get_cipher_data(ctx)))
static int
return 1;
}
-# define EVP_CIPHER_block_size_ECB AES_BLOCK_SIZE
-# define EVP_CIPHER_block_size_CBC AES_BLOCK_SIZE
-# define EVP_CIPHER_block_size_OFB 1
-# define EVP_CIPHER_block_size_CFB 1
-# define EVP_CIPHER_block_size_CTR 1
+# define EVP_CIPHER_block_size_ECB AES_BLOCK_SIZE
+# define EVP_CIPHER_block_size_CBC AES_BLOCK_SIZE
+# define EVP_CIPHER_block_size_OFB 1
+# define EVP_CIPHER_block_size_CFB 1
+# define EVP_CIPHER_block_size_CTR 1
/*
* Declaring so many ciphers by hand would be a pain. Instead introduce a bit
* of preprocessor magic :-)
*/
-# define DECLARE_AES_EVP(ksize,lmode,umode) \
+# define DECLARE_AES_EVP(ksize,lmode,umode) \
static EVP_CIPHER *_hidden_aes_##ksize##_##lmode = NULL; \
static const EVP_CIPHER *padlock_aes_##ksize##_##lmode(void) \
{ \
AES_set_decrypt_key(key, key_len, &cdata->ks);
else
AES_set_encrypt_key(key, key_len, &cdata->ks);
-# ifndef AES_ASM
+# ifndef AES_ASM
/*
* OpenSSL C functions use byte-swapped extended key.
*/
padlock_key_bswap(&cdata->ks);
-# endif
+# endif
cdata->cword.b.keygen = 1;
break;
return 1;
}
-# endif /* OPENSSL_NO_AES */
-
/* ===== Random Number Generator ===== */
/*
* This code is not engaged. The reason is that it does not comply
*output++ = (unsigned char)buf;
count--;
}
- *(volatile unsigned int *)&buf = 0;
+ OPENSSL_cleanse(&buf, sizeof(buf));
return 1;
}
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