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/* * sha1.h * * Copyright (C) 1998, 2009 * Paul E. Jones <paulej@packetizer.com> * All Rights Reserved * ***************************************************************************** * $Id: sha1.h 12 2009-06-22 19:34:25Z paulej $ ***************************************************************************** * * Description: * This class implements the Secure Hashing Standard as defined * in FIPS PUB 180-1 published April 17, 1995. * * Many of the variable names in the SHA1Context, 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_ /* * This structure will hold context information for the hashing * operation */ typedef struct SHA1Context { unsigned int Message_Digest[5]; /* Message Digest (output) */ unsigned int Length_Low; /* Message length in bits */ unsigned int Length_High; /* Message length in bits */ unsigned char Message_Block[64]; /* 512-bit message blocks */ int Message_Block_Index; /* Index into message block array */ int Computed; /* Is the digest computed? */ int Corrupted; /* Is the message digest corruped? */ } SHA1Context; /* * Function Prototypes */ void SHA1Reset(SHA1Context *); int SHA1Result(SHA1Context *); void SHA1Input( SHA1Context *, const unsigned char *, unsigned); void SHA1LitEnd (SHA1Context*, unsigned char*); void SHA1SelfTest (); #endif