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SHA.H
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1996-06-23
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964b
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33 lines
#ifndef _SHA_DEFINED
#define _SHA_DEFINED
/* The SHS block size and message digest sizes, in bytes */
#define SHA_DATASIZE 64
#define SHA_DIGESTSIZE 20
/* The structure for storing SHA info */
typedef struct {
LONG digest[ 5 ]; /* Message digest */
LONG countLo, countHi; /* 64-bit bit count */
LONG data[ 16 ]; /* SHS data buffer */
#ifdef _BIG_WORDS
BYTE dataBuffer[ SHA_DATASIZE ]; /* Byte buffer for data */
#endif /* _BIG_WORDS */
BOOLEAN done; /* Whether final digest present */
BOOLEAN isSHA; /* Whether to use SHA */
} SHA_INFO;
/* Message digest functions */
void shaInitial( SHA_INFO *shaInfo );
void shaUpdate( SHA_INFO *shaInfo, BYTE *buffer, int count );
void shaFinal( SHA_INFO *shaInfo );
void sha1Initial( SHA_INFO *shaInfo );
void sha1Update( SHA_INFO *shaInfo, BYTE *buffer, int count );
void sha1Final( SHA_INFO *shaInfo );
#endif /* _SHA_DEFINED */