// SPDX-FileCopyrightText: 2000-2001, Aaron D. Gifford // SPDX-License-Identifier: BSD-3-Clause /* * FILE: sha2.h * AUTHOR: Aaron D. Gifford * * Copyright (c) 2000-2001, Aaron D. Gifford * All rights reserved. * * 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 above 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. Neither the name of the copyright holder nor the names of contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``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 CONTRIBUTOR(S) 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. * */ #ifndef __SHA2_H__ #define __SHA2_H__ #include #ifdef __cplusplus extern "C" { #endif /* * Import u_intXX_t size_t type definitions from system headers. You * may need to change this, or define these things yourself in this * file. */ #include #ifdef SHA2_USE_INTTYPES_H #include #endif /* SHA2_USE_INTTYPES_H */ /*** SHA-256/384/512 Various Length Definitions ***********************/ #define SHA256_BLOCK_LENGTH 64 #define SHA256_DIGEST_LENGTH 32 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) #define SHA384_BLOCK_LENGTH 128 #define SHA384_DIGEST_LENGTH 48 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) #define SHA512_BLOCK_LENGTH 128 #define SHA512_DIGEST_LENGTH 64 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) /*** SHA-256/384/512 Context Structures *******************************/ /* NOTE: If your architecture does not define either u_intXX_t types or * uintXX_t (from inttypes.h), you may need to define things by hand * for your system: */ #ifndef u_int8_t #define u_int8_t unsigned char #define u_int32_t unsigned int #define u_int64_t unsigned long long #endif /* * Most BSD systems already define u_intXX_t types, as does Linux. * Some systems, however, like Compaq's Trut64 Unix instead can use * uintXX_t types defined by very recent ANSI C standards and included * in the file: * * #include * * If you choose to use then please define: * * #define SHA2_USE_INTTYPES_H * * Or on the command line during compile: * * cc -DSHA2_USE_INTTYPES_H ... */ #define SHA256_BLOCK_LENGTH 64 typedef struct _SHA256_CTX { ut32 state[8]; ut64 bitcount; ut8 buffer[SHA256_BLOCK_LENGTH]; } RZ_SHA256_CTX; #define SHA384_BLOCK_LENGTH 128 #define SHA512_BLOCK_LENGTH 128 typedef struct _SHA512_CTX { ut64 state[8]; ut64 bitcount[2]; ut8 buffer[SHA512_BLOCK_LENGTH]; } RZ_SHA512_CTX; typedef RZ_SHA512_CTX RZ_SHA384_CTX; /*** SHA-256/384/512 Function Prototypes ******************************/ #ifndef NOPROTO #ifdef SHA2_USE_INTTYPES_H void SHA256_Init(RZ_SHA256_CTX *); void SHA256_Update(RZ_SHA256_CTX *, const uint8_t *, size_t); void SHA256_Final(uint8_t *, RZ_SHA256_CTX *); char *SHA256_End(RZ_SHA256_CTX *, char *); char *SHA256_Data(const uint8_t *, size_t, char *); void SHA384_Init(RZ_SHA384_CTX *); void SHA384_Update(RZ_SHA384_CTX *, const uint8_t *, size_t); void SHA384_Final(uint8_t *, RZ_SHA384_CTX *); char *SHA384_End(RZ_SHA384_CTX *, char *); char *SHA384_Data(const uint8_t *, size_t, char *); void SHA512_Init(RZ_SHA512_CTX *); void SHA512_Update(RZ_SHA512_CTX *, const uint8_t *, size_t); void SHA512_Final(uint8_t *, RZ_SHA512_CTX *); char *SHA512_End(RZ_SHA512_CTX *, char *); char *SHA512_Data(const uint8_t *, size_t, char *); #else /* SHA2_USE_INTTYPES_H */ void SHA256_Init(RZ_SHA256_CTX *); void SHA256_Update(RZ_SHA256_CTX *, const u_int8_t *, size_t); void SHA256_Final(u_int8_t *, RZ_SHA256_CTX *); char *SHA256_End(RZ_SHA256_CTX *, char *); char *SHA256_Data(const u_int8_t *, size_t, char[SHA256_DIGEST_STRING_LENGTH]); void SHA384_Init(RZ_SHA384_CTX *); void SHA384_Update(RZ_SHA384_CTX *, const u_int8_t *, size_t); void SHA384_Final(u_int8_t *, RZ_SHA384_CTX *); char *SHA384_End(RZ_SHA384_CTX *, char *); char *SHA384_Data(const u_int8_t *, size_t, char[SHA384_DIGEST_STRING_LENGTH]); void SHA512_Init(RZ_SHA512_CTX *); void SHA512_Update(RZ_SHA512_CTX *, const u_int8_t *, size_t); void SHA512_Final(u_int8_t *, RZ_SHA512_CTX *); char *SHA512_End(RZ_SHA512_CTX *, char *); char *SHA512_Data(const u_int8_t *, size_t, char[SHA512_DIGEST_STRING_LENGTH]); #endif /* SHA2_USE_INTTYPES_H */ #else /* NOPROTO */ void SHA256_Init(void); void SHA256_Update(void); void SHA256_Final(void); char *SHA256_End(void); char *SHA256_Data(void); void SHA384_Init(void); void SHA384_Update(void); void SHA384_Final(void); char *SHA384_End(void); char *SHA384_Data(void); void SHA512_Init(void); void SHA512_Update(void); void SHA512_Final(void); char *SHA512_End(void); char *SHA512_Data(void); #endif /* NOPROTO */ #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* __SHA2_H__ */