sha512.h

00001 /* sha512.h
00002  *
00003  * Copyright (C) 2006-2013 wolfSSL Inc.
00004  *
00005  * This file is part of CyaSSL.
00006  *
00007  * CyaSSL is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * CyaSSL is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
00020  */
00021 
00022 
00023 #ifdef CYASSL_SHA512
00024 
00025 #ifndef CTAO_CRYPT_SHA512_H
00026 #define CTAO_CRYPT_SHA512_H
00027 
00028 #include <cyassl/ctaocrypt/types.h>
00029 
00030 #ifdef __cplusplus
00031     extern "C" {
00032 #endif
00033 
00034 
00035 /* in bytes */
00036 enum {
00037     SHA512              =   4,   /* hash type unique */
00038     SHA512_BLOCK_SIZE   = 128,
00039     SHA512_DIGEST_SIZE  =  64,
00040     SHA512_PAD_SIZE     = 112 
00041 };
00042 
00043 
00044 /* Sha512 digest */
00045 typedef struct Sha512 {
00046     word32  buffLen;   /* in bytes          */
00047     word32  loLen;     /* length in bytes   */
00048     word32  hiLen;     /* length in bytes   */
00049     word64  digest[SHA512_DIGEST_SIZE / sizeof(word64)];
00050     word64  buffer[SHA512_BLOCK_SIZE  / sizeof(word64)];
00051 } Sha512;
00052 
00053 
00054 CYASSL_API int InitSha512(Sha512*);
00055 CYASSL_API int Sha512Update(Sha512*, const byte*, word32);
00056 CYASSL_API int Sha512Final(Sha512*, byte*);
00057 
00058 
00059 #if defined(CYASSL_SHA384) || defined(HAVE_AESGCM)
00060 
00061 /* in bytes */
00062 enum {
00063     SHA384              =   5,   /* hash type unique */
00064     SHA384_BLOCK_SIZE   = 128,
00065     SHA384_DIGEST_SIZE  =  48,
00066     SHA384_PAD_SIZE     = 112 
00067 };
00068 
00069 
00070 /* Sha384 digest */
00071 typedef struct Sha384 {
00072     word32  buffLen;   /* in bytes          */
00073     word32  loLen;     /* length in bytes   */
00074     word32  hiLen;     /* length in bytes   */
00075     word64  digest[SHA512_DIGEST_SIZE / sizeof(word64)]; /* for transform 512 */
00076     word64  buffer[SHA384_BLOCK_SIZE  / sizeof(word64)];
00077 } Sha384;
00078 
00079 
00080 CYASSL_API int InitSha384(Sha384*);
00081 CYASSL_API int Sha384Update(Sha384*, const byte*, word32);
00082 CYASSL_API int Sha384Final(Sha384*, byte*);
00083 
00084 
00085 #ifdef HAVE_FIPS
00086     /* fips wrapper calls, user can call direct */
00087     CYASSL_API int InitSha512_fips(Sha512*);
00088     CYASSL_API int Sha512Update_fips(Sha512*, const byte*, word32);
00089     CYASSL_API int Sha512Final_fips(Sha512*, byte*);
00090     #ifndef FIPS_NO_WRAPPERS
00091         /* if not impl or fips.c impl wrapper force fips calls if fips build */
00092         #define InitSha512   InitSha512_fips
00093         #define Sha512Update Sha512Update_fips
00094         #define Sha512Final  Sha512Final_fips
00095     #endif /* FIPS_NO_WRAPPERS */
00096 
00097     /* fips wrapper calls, user can call direct */
00098     CYASSL_API int InitSha384_fips(Sha384*);
00099     CYASSL_API int Sha384Update_fips(Sha384*, const byte*, word32);
00100     CYASSL_API int Sha384Final_fips(Sha384*, byte*);
00101     #ifndef FIPS_NO_WRAPPERS
00102         /* if not impl or fips.c impl wrapper force fips calls if fips build */
00103         #define InitSha384   InitSha384_fips
00104         #define Sha384Update Sha384Update_fips
00105         #define Sha384Final  Sha384Final_fips
00106     #endif /* FIPS_NO_WRAPPERS */
00107 
00108 #endif /* HAVE_FIPS */
00109 
00110 
00111 #endif /* CYASSL_SHA384 */
00112 
00113 #ifdef __cplusplus
00114     } /* extern "C" */
00115 #endif
00116 
00117 #endif /* CTAO_CRYPT_SHA512_H */
00118 #endif /* CYASSL_SHA512 */