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Diffstat (limited to 'snmplib/openssl/openssl_md5_local.h')
| -rw-r--r-- | snmplib/openssl/openssl_md5_local.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/snmplib/openssl/openssl_md5_local.h b/snmplib/openssl/openssl_md5_local.h new file mode 100644 index 0000000..47ef374 --- /dev/null +++ b/snmplib/openssl/openssl_md5_local.h @@ -0,0 +1,129 @@ +/* crypto/md5/md5_locl.h */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * 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 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 acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS 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 AUTHOR OR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdlib.h> +#include <string.h> +#include <net-snmp/openssl_md5.h> + +#ifndef MD5_LONG_LOG2 +#define MD5_LONG_LOG2 2 /* default to 32 bits */ +#endif + +#ifdef MD5_ASM +# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || defined(__INTEL__) || \ + defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) +# define md5_block_data_order md5_block_asm_data_order +# elif defined(__ia64) || defined(__ia64__) || defined(_M_IA64) +# define md5_block_data_order md5_block_asm_data_order +# endif +#endif + +void md5_block_data_order (MD5_CTX *c, const void *p,size_t num); + +#define DATA_ORDER_IS_LITTLE_ENDIAN + +#define HASH_LONG MD5_LONG +#define HASH_CTX MD5_CTX +#define HASH_CBLOCK MD5_CBLOCK +#define HASH_UPDATE MD5_Update +#define HASH_TRANSFORM MD5_Transform +#define HASH_FINAL MD5_Final +#define HASH_MAKE_STRING(c,s) do { \ + unsigned long ll; \ + ll=(c)->A; HOST_l2c(ll,(s)); \ + ll=(c)->B; HOST_l2c(ll,(s)); \ + ll=(c)->C; HOST_l2c(ll,(s)); \ + ll=(c)->D; HOST_l2c(ll,(s)); \ + } while (0) +#define HASH_BLOCK_DATA_ORDER md5_block_data_order + +#include "openssl_md32_common.h" + +/* +#define F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) +#define G(x,y,z) (((x) & (z)) | ((y) & (~(z)))) +*/ + +/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be + * simplified to the code below. Wei attributes these optimizations + * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel. + */ +#define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) +#define G(b,c,d) ((((b) ^ (c)) & (d)) ^ (c)) +#define H(b,c,d) ((b) ^ (c) ^ (d)) +#define I(b,c,d) (((~(d)) | (b)) ^ (c)) + +#define R0(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+F((b),(c),(d))); \ + a=ROTATE(a,s); \ + a+=b; };\ + +#define R1(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+G((b),(c),(d))); \ + a=ROTATE(a,s); \ + a+=b; }; + +#define R2(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+H((b),(c),(d))); \ + a=ROTATE(a,s); \ + a+=b; }; + +#define R3(a,b,c,d,k,s,t) { \ + a+=((k)+(t)+I((b),(c),(d))); \ + a=ROTATE(a,s); \ + a+=b; }; |