kore

An easy to use, scalable and secure web application framework for writing web APIs in C.
Commits | Files | Refs | README | LICENSE | git clone https://git.kore.io/kore.git

sha2.h (3463B)



      1 /*	$OpenBSD: sha2.h,v 1.10 2016/09/03 17:00:29 tedu Exp $	*/
      2 
      3 /*
      4  * FILE:	sha2.h
      5  * AUTHOR:	Aaron D. Gifford <me@aarongifford.com>
      6  * 
      7  * Copyright (c) 2000-2001, Aaron D. Gifford
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. Neither the name of the copyright holder nor the names of contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  * 
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
     35  */
     36 
     37 /* OPENBSD ORIGINAL: include/sha2.h */
     38 
     39 #ifndef _SSHSHA2_H
     40 #define _SSHSHA2_H
     41 
     42 /*** SHA-256/384/512 Various Length Definitions ***********************/
     43 #define SHA256_BLOCK_LENGTH		64
     44 #define SHA256_DIGEST_LENGTH		32
     45 #define SHA256_DIGEST_STRING_LENGTH	(SHA256_DIGEST_LENGTH * 2 + 1)
     46 #define SHA384_BLOCK_LENGTH		128
     47 #define SHA384_DIGEST_LENGTH		48
     48 #define SHA384_DIGEST_STRING_LENGTH	(SHA384_DIGEST_LENGTH * 2 + 1)
     49 #define SHA512_BLOCK_LENGTH		128
     50 #define SHA512_DIGEST_LENGTH		64
     51 #define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)
     52 
     53 /*** SHA-224/256/384/512 Context Structure *******************************/
     54 typedef struct _SHA2_CTX {
     55 	union {
     56 		u_int32_t	st32[8];
     57 		u_int64_t	st64[8];
     58 	} state;
     59 	u_int64_t	bitcount[2];
     60 	u_int8_t	buffer[SHA512_BLOCK_LENGTH];
     61 } SHA2_CTX;
     62 
     63 void SHA256Init(SHA2_CTX *);
     64 void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
     65 void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t);
     66 void SHA256Pad(SHA2_CTX *);
     67 void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *);
     68 char *SHA256End(SHA2_CTX *, char *);
     69 
     70 void SHA384Init(SHA2_CTX *);
     71 void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
     72 void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t);
     73 void SHA384Pad(SHA2_CTX *);
     74 void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *);
     75 char *SHA384End(SHA2_CTX *, char *);
     76 
     77 void SHA512Init(SHA2_CTX *);
     78 void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
     79 void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t);
     80 void SHA512Pad(SHA2_CTX *);
     81 void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *);
     82 char *SHA512End(SHA2_CTX *, char *);
     83 
     84 #endif /* _SSHSHA2_H */