-/*-
- * 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 2004-2018 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/opensslconf.h>
#include <openssl/crypto.h>
-#include <openssl/dso.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(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(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";
/* Check available features */
padlock_available();
-# if 1 /* disable RNG for now, see commentary in
- * vicinity of RNG code */
+ /*
+ * RNG is currently disabled for reasons discussed in commentary just
+ * before padlock_rand_bytes function.
+ */
padlock_use_rng = 0;
-# endif
/* Generate a nice engine name with available features */
BIO_snprintf(padlock_name, sizeof(padlock_name),
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;
}
{
ENGINE *eng = ENGINE_new();
- if (!eng) {
+ if (eng == NULL) {
return NULL;
}
* This stuff is needed if this ENGINE is being compiled into a
* self-contained shared-library.
*/
-# ifdef DYNAMIC_ENGINE
+# ifndef OPENSSL_NO_DYNAMIC_ENGINE
static int padlock_bind_fn(ENGINE *e, const char *id)
{
if (id && (strcmp(id, padlock_id) != 0)) {
}
IMPLEMENT_DYNAMIC_CHECK_FN()
- IMPLEMENT_DYNAMIC_BIND_FN(padlock_bind_fn)
-# endif /* DYNAMIC_ENGINE */
+IMPLEMENT_DYNAMIC_BIND_FN(padlock_bind_fn)
+# endif /* !OPENSSL_NO_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();
+unsigned int padlock_capability(void);
void padlock_key_bswap(AES_KEY *key);
void padlock_verify_context(struct padlock_cipher_data *ctx);
-void padlock_reload_key();
+void padlock_reload_key(void);
void padlock_aes_block(void *out, const void *inp,
struct padlock_cipher_data *ctx);
int padlock_ecb_encrypt(void *out, const void *inp,
}
/* ===== 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 *)\
- NEAREST_ALIGNED(ctx->cipher_data))
+# define ALIGNED_CIPHER_DATA(ctx) ((struct padlock_cipher_data *)\
+ NEAREST_ALIGNED(EVP_CIPHER_CTX_get_cipher_data(ctx)))
static int
padlock_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out_arg,
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
int ret;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((ret = padlock_cbc_encrypt(out_arg, in_arg, cdata, nbytes)))
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return ret;
}
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
size_t chunk;
- if ((chunk = ctx->num)) { /* borrow chunk variable */
- unsigned char *ivp = ctx->iv;
+ if ((chunk = EVP_CIPHER_CTX_num(ctx))) { /* borrow chunk variable */
+ unsigned char *ivp = EVP_CIPHER_CTX_iv_noconst(ctx);
if (chunk >= AES_BLOCK_SIZE)
return 0; /* bogus value */
- if (ctx->encrypt)
+ if (EVP_CIPHER_CTX_encrypting(ctx))
while (chunk < AES_BLOCK_SIZE && nbytes != 0) {
ivp[chunk] = *(out_arg++) = *(in_arg++) ^ ivp[chunk];
chunk++, nbytes--;
ivp[chunk++] = c, nbytes--;
}
- ctx->num = chunk % AES_BLOCK_SIZE;
+ EVP_CIPHER_CTX_set_num(ctx, chunk % AES_BLOCK_SIZE);
}
if (nbytes == 0)
return 1;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((chunk = nbytes & ~(AES_BLOCK_SIZE - 1))) {
if (!padlock_cfb_encrypt(out_arg, in_arg, cdata, chunk))
out_arg += chunk;
in_arg += chunk;
- ctx->num = nbytes;
+ EVP_CIPHER_CTX_set_num(ctx, nbytes);
if (cdata->cword.b.encdec) {
cdata->cword.b.encdec = 0;
padlock_reload_key();
}
}
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return 1;
}
/*
* ctx->num is maintained in byte-oriented modes, such as CFB and OFB...
*/
- if ((chunk = ctx->num)) { /* borrow chunk variable */
- unsigned char *ivp = ctx->iv;
+ if ((chunk = EVP_CIPHER_CTX_num(ctx))) { /* borrow chunk variable */
+ unsigned char *ivp = EVP_CIPHER_CTX_iv_noconst(ctx);
if (chunk >= AES_BLOCK_SIZE)
return 0; /* bogus value */
chunk++, nbytes--;
}
- ctx->num = chunk % AES_BLOCK_SIZE;
+ EVP_CIPHER_CTX_set_num(ctx, chunk % AES_BLOCK_SIZE);
}
if (nbytes == 0)
return 1;
- memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE);
+ memcpy(cdata->iv, EVP_CIPHER_CTX_iv(ctx), AES_BLOCK_SIZE);
if ((chunk = nbytes & ~(AES_BLOCK_SIZE - 1))) {
if (!padlock_ofb_encrypt(out_arg, in_arg, cdata, chunk))
out_arg += chunk;
in_arg += chunk;
- ctx->num = nbytes;
+ EVP_CIPHER_CTX_set_num(ctx, nbytes);
padlock_reload_key(); /* empirically found */
padlock_aes_block(ivp, ivp, cdata);
padlock_reload_key(); /* empirically found */
}
}
- memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE);
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), cdata->iv, AES_BLOCK_SIZE);
return 1;
}
const unsigned char *in_arg, size_t nbytes)
{
struct padlock_cipher_data *cdata = ALIGNED_CIPHER_DATA(ctx);
- unsigned int num = ctx->num;
+ unsigned int num = EVP_CIPHER_CTX_num(ctx);
CRYPTO_ctr128_encrypt_ctr32(in_arg, out_arg, nbytes,
- cdata, ctx->iv, ctx->buf, &num,
+ cdata, EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_buf_noconst(ctx), &num,
(ctr128_f) padlock_ctr32_encrypt_glue);
- ctx->num = (size_t)num;
+ EVP_CIPHER_CTX_set_num(ctx, (size_t)num);
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) \
-static const EVP_CIPHER padlock_aes_##ksize##_##lmode = { \
- NID_aes_##ksize##_##lmode, \
- EVP_CIPHER_block_size_##umode, \
- AES_KEY_SIZE_##ksize, \
- AES_BLOCK_SIZE, \
- 0 | EVP_CIPH_##umode##_MODE, \
- padlock_aes_init_key, \
- padlock_##lmode##_cipher, \
- NULL, \
- sizeof(struct padlock_cipher_data) + 16, \
- EVP_CIPHER_set_asn1_iv, \
- EVP_CIPHER_get_asn1_iv, \
- NULL, \
- NULL \
+# define DECLARE_AES_EVP(ksize,lmode,umode) \
+static EVP_CIPHER *_hidden_aes_##ksize##_##lmode = NULL; \
+static const EVP_CIPHER *padlock_aes_##ksize##_##lmode(void) \
+{ \
+ if (_hidden_aes_##ksize##_##lmode == NULL \
+ && ((_hidden_aes_##ksize##_##lmode = \
+ EVP_CIPHER_meth_new(NID_aes_##ksize##_##lmode, \
+ EVP_CIPHER_block_size_##umode, \
+ AES_KEY_SIZE_##ksize)) == NULL \
+ || !EVP_CIPHER_meth_set_iv_length(_hidden_aes_##ksize##_##lmode, \
+ AES_BLOCK_SIZE) \
+ || !EVP_CIPHER_meth_set_flags(_hidden_aes_##ksize##_##lmode, \
+ 0 | EVP_CIPH_##umode##_MODE) \
+ || !EVP_CIPHER_meth_set_init(_hidden_aes_##ksize##_##lmode, \
+ padlock_aes_init_key) \
+ || !EVP_CIPHER_meth_set_do_cipher(_hidden_aes_##ksize##_##lmode, \
+ padlock_##lmode##_cipher) \
+ || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_aes_##ksize##_##lmode, \
+ sizeof(struct padlock_cipher_data) + 16) \
+ || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_aes_##ksize##_##lmode, \
+ EVP_CIPHER_set_asn1_iv) \
+ || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_aes_##ksize##_##lmode, \
+ EVP_CIPHER_get_asn1_iv))) { \
+ EVP_CIPHER_meth_free(_hidden_aes_##ksize##_##lmode); \
+ _hidden_aes_##ksize##_##lmode = NULL; \
+ } \
+ return _hidden_aes_##ksize##_##lmode; \
}
-DECLARE_AES_EVP(128, ecb, ECB);
-DECLARE_AES_EVP(128, cbc, CBC);
-DECLARE_AES_EVP(128, cfb, CFB);
-DECLARE_AES_EVP(128, ofb, OFB);
-DECLARE_AES_EVP(128, ctr, CTR);
+DECLARE_AES_EVP(128, ecb, ECB)
+DECLARE_AES_EVP(128, cbc, CBC)
+DECLARE_AES_EVP(128, cfb, CFB)
+DECLARE_AES_EVP(128, ofb, OFB)
+DECLARE_AES_EVP(128, ctr, CTR)
-DECLARE_AES_EVP(192, ecb, ECB);
-DECLARE_AES_EVP(192, cbc, CBC);
-DECLARE_AES_EVP(192, cfb, CFB);
-DECLARE_AES_EVP(192, ofb, OFB);
-DECLARE_AES_EVP(192, ctr, CTR);
+DECLARE_AES_EVP(192, ecb, ECB)
+DECLARE_AES_EVP(192, cbc, CBC)
+DECLARE_AES_EVP(192, cfb, CFB)
+DECLARE_AES_EVP(192, ofb, OFB)
+DECLARE_AES_EVP(192, ctr, CTR)
-DECLARE_AES_EVP(256, ecb, ECB);
-DECLARE_AES_EVP(256, cbc, CBC);
-DECLARE_AES_EVP(256, cfb, CFB);
-DECLARE_AES_EVP(256, ofb, OFB);
-DECLARE_AES_EVP(256, ctr, CTR);
+DECLARE_AES_EVP(256, ecb, ECB)
+DECLARE_AES_EVP(256, cbc, CBC)
+DECLARE_AES_EVP(256, cfb, CFB)
+DECLARE_AES_EVP(256, ofb, OFB)
+DECLARE_AES_EVP(256, ctr, CTR)
static int
padlock_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids,
/* ... or the requested "cipher" otherwise */
switch (nid) {
case NID_aes_128_ecb:
- *cipher = &padlock_aes_128_ecb;
+ *cipher = padlock_aes_128_ecb();
break;
case NID_aes_128_cbc:
- *cipher = &padlock_aes_128_cbc;
+ *cipher = padlock_aes_128_cbc();
break;
case NID_aes_128_cfb:
- *cipher = &padlock_aes_128_cfb;
+ *cipher = padlock_aes_128_cfb();
break;
case NID_aes_128_ofb:
- *cipher = &padlock_aes_128_ofb;
+ *cipher = padlock_aes_128_ofb();
break;
case NID_aes_128_ctr:
- *cipher = &padlock_aes_128_ctr;
+ *cipher = padlock_aes_128_ctr();
break;
case NID_aes_192_ecb:
- *cipher = &padlock_aes_192_ecb;
+ *cipher = padlock_aes_192_ecb();
break;
case NID_aes_192_cbc:
- *cipher = &padlock_aes_192_cbc;
+ *cipher = padlock_aes_192_cbc();
break;
case NID_aes_192_cfb:
- *cipher = &padlock_aes_192_cfb;
+ *cipher = padlock_aes_192_cfb();
break;
case NID_aes_192_ofb:
- *cipher = &padlock_aes_192_ofb;
+ *cipher = padlock_aes_192_ofb();
break;
case NID_aes_192_ctr:
- *cipher = &padlock_aes_192_ctr;
+ *cipher = padlock_aes_192_ctr();
break;
case NID_aes_256_ecb:
- *cipher = &padlock_aes_256_ecb;
+ *cipher = padlock_aes_256_ecb();
break;
case NID_aes_256_cbc:
- *cipher = &padlock_aes_256_cbc;
+ *cipher = padlock_aes_256_cbc();
break;
case NID_aes_256_cfb:
- *cipher = &padlock_aes_256_cfb;
+ *cipher = padlock_aes_256_cfb();
break;
case NID_aes_256_ofb:
- *cipher = &padlock_aes_256_ofb;
+ *cipher = padlock_aes_256_ofb();
break;
case NID_aes_256_ctr:
- *cipher = &padlock_aes_256_ctr;
+ *cipher = padlock_aes_256_ctr();
break;
default:
return 0; /* ERROR */
cdata = ALIGNED_CIPHER_DATA(ctx);
- memset(cdata, 0, sizeof(struct padlock_cipher_data));
+ memset(cdata, 0, sizeof(*cdata));
/* Prepare Control word. */
if (mode == EVP_CIPH_OFB_MODE || mode == EVP_CIPH_CTR_MODE)
cdata->cword.b.encdec = 0;
else
- cdata->cword.b.encdec = (ctx->encrypt == 0);
+ cdata->cword.b.encdec = (EVP_CIPHER_CTX_encrypting(ctx) == 0);
cdata->cword.b.rounds = 10 + (key_len - 128) / 32;
cdata->cword.b.ksize = (key_len - 128) / 64;
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;
}
padlock_rand_status, /* rand status */
};
-# else /* !COMPILE_HW_PADLOCK */
-# ifndef OPENSSL_NO_DYNAMIC_ENGINE
+# endif /* COMPILE_HW_PADLOCK */
+# endif /* !OPENSSL_NO_HW_PADLOCK */
+#endif /* !OPENSSL_NO_HW */
+
+#if defined(OPENSSL_NO_HW) || defined(OPENSSL_NO_HW_PADLOCK) \
+ || !defined(COMPILE_HW_PADLOCK)
+# ifndef OPENSSL_NO_DYNAMIC_ENGINE
OPENSSL_EXPORT
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
OPENSSL_EXPORT
}
IMPLEMENT_DYNAMIC_CHECK_FN()
-# endif
-# endif /* COMPILE_HW_PADLOCK */
-# endif /* !OPENSSL_NO_HW_PADLOCK */
-#endif /* !OPENSSL_NO_HW */
+# endif
+#endif
projects / openssl.git / blobdiff