/* Copyright (C) The Internet Society (2001). All Rights Reserved. This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that the above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English. The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns. This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. */ /* * sha1.h * * Description: * This is the header file for code which implements the Secure * Hashing Algorithm 1 as defined in FIPS PUB 180-1 published * April 17, 1995. * * Many of the variable names in this code, especially the * single character names, were used because those were the names * used in the publication. * * Please read the file sha1.c for more information. * */ #ifndef _SHA1_H_ #define _SHA1_H_ //#include typedef unsigned __int32 uint32_t; typedef unsigned char uint8_t; typedef __int32 int_least16_t; /* * If you do not have the ISO standard stdint.h header file, then you * must typdef the following: * name meaning * uint32_t unsigned 32 bit integer * uint8_t unsigned 8 bit integer (i.e., unsigned char) * int_least16_t integer of >= 16 bits * */ #ifndef _SHA_enum_ #define _SHA_enum_ enum { shaSuccess = 0, shaNull, /* Null pointer parameter */ shaInputTooLong, /* input data too long */ shaStateError /* called Input after Result */ }; #endif #define SHA1HashSize 20 /* * This structure will hold context information for the SHA-1 * hashing operation */ typedef struct SHA1Context { uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */ uint32_t Length_Low; /* Message length in bits */ uint32_t Length_High; /* Message length in bits */ /* Index into message block array */ int_least16_t Message_Block_Index; uint8_t Message_Block[64]; /* 512-bit message blocks */ int Computed; /* Is the digest computed? */ int Corrupted; /* Is the message digest corrupted? */ } SHA1Context; /* * Function Prototypes */ #if defined __cplusplus extern "C" { #endif int SHA1Reset( SHA1Context *); int SHA1Input( SHA1Context *, const uint8_t *, unsigned int); int SHA1Result( SHA1Context *, uint8_t Message_Digest[SHA1HashSize]); #if defined __cplusplus } #endif #endif