111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/* o_init.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <e_os.h>
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#include <openssl/err.h>
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/* Internal only functions: only ever used here */
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#ifdef OPENSSL_FIPS
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extern void int_ERR_lib_init(void);
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# ifndef OPENSSL_NO_ENGINE
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extern void int_EVP_MD_init_engine_callbacks(void);
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extern void int_EVP_CIPHER_init_engine_callbacks(void);
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extern void int_RAND_init_engine_callbacks(void);
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# endif
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#endif
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/*
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* Perform any essential OpenSSL initialization operations. Currently only
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* sets FIPS callbacks
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*/
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void OPENSSL_init(void)
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{
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#ifdef OPENSSL_FIPS
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static int done = 0;
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if (!done) {
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int_ERR_lib_init();
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# ifdef CRYPTO_MDEBUG
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CRYPTO_malloc_debug_init();
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# endif
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# ifndef OPENSSL_NO_ENGINE
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int_EVP_MD_init_engine_callbacks();
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int_EVP_CIPHER_init_engine_callbacks();
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int_RAND_init_engine_callbacks();
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# endif
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done = 1;
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}
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#endif
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}
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#ifdef OPENSSL_FIPS
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int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
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{
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size_t i;
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const unsigned char *a = in_a;
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const unsigned char *b = in_b;
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unsigned char x = 0;
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for (i = 0; i < len; i++)
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x |= a[i] ^ b[i];
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return x;
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}
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#endif
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