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85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/* Copyright (C) 2007-2012 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Roliers Jean-Paul <popof.fpn@gmail.co>
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*
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* Implements cryptographic functions.
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* Based on the libtomcrypt library ( http://libtom.org/?page=features&newsitems=5&whatfile=crypt )
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*/
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#ifndef UTIL_CRYPT_H_
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#define UTIL_CRYPT_H_
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#include "suricata-common.h"
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typedef enum {
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SC_SHA_1_OK,
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SC_SHA_1_NOK,
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SC_SHA_1_INVALID_ARG,
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SC_BASE64_OK,
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SC_BASE64_INVALID_ARG,
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SC_BASE64_OVERFLOW,
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} CryptId;
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#ifndef HAVE_NSS
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#define LOAD32H(x, y) \
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{ x = ((unsigned long)((y)[0] & 255)<<24) | \
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((unsigned long)((y)[1] & 255)<<16) | \
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((unsigned long)((y)[2] & 255)<<8) | \
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((unsigned long)((y)[3] & 255)); }
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#define STORE64H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
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#define STORE32H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \
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(y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
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#define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
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#define ROLc(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
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#ifndef MIN
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#define MIN(x, y) ( ((x)<(y))?(x):(y) )
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#endif
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typedef struct Sha1State_ {
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uint64_t length;
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uint32_t state[5], curlen;
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unsigned char buf[64];
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} Sha1State;
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typedef union HashState_ {
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char dummy[1];
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Sha1State sha1;
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void *data;
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} HashState;
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#endif /* don't HAVE_NSS */
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unsigned char* ComputeSHA1(unsigned char* buff, int bufflen);
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int Base64Encode(const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen);
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#endif /* UTIL_CRYPT_H_ */
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