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/* $OpenBSD: sha1.h,v 1.16 2004/01/22 21:48:02 espie Exp $ */
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/*
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* SHA-1 in C
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* By Steve Reid <steve@edmweb.com>
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* 100% Public Domain
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*/
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#ifndef _SHA1_H
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#define _SHA1_H
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typedef struct {
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u_int32_t state[5];
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u_int32_t count[2];
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unsigned char buffer[64];
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} SHA1_CTX;
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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void SHA1Transform(u_int32_t [5], const unsigned char [64])
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__attribute__((__bounded__(__minbytes__,1,5)))
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__attribute__((__bounded__(__minbytes__,2,64)));
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void SHA1Init(SHA1_CTX *);
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void SHA1Update(SHA1_CTX *, const unsigned char *, unsigned int)
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__attribute__((__bounded__(__string__,2,3)));
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void SHA1Final(unsigned char [20], SHA1_CTX *)
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__attribute__((__bounded__(__minbytes__,1,20)));
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char *SHA1End(SHA1_CTX *, char *)
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__attribute__((__bounded__(__minbytes__,2,41)));
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char *SHA1File(char *, char *)
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__attribute__((__bounded__(__minbytes__,2,41)));
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char *SHA1Data(const unsigned char *, size_t, char *)
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__attribute__((__bounded__(__string__,1,2)))
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__attribute__((__bounded__(__minbytes__,3,41)));
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__END_DECLS
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#define SHA1_DIGESTSIZE 20
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#define SHA1_BLOCKSIZE 64
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#define HTONDIGEST(x) do { \
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x[0] = htonl(x[0]); \
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x[1] = htonl(x[1]); \
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x[2] = htonl(x[2]); \
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x[3] = htonl(x[3]); \
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x[4] = htonl(x[4]); } while (0)
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#define NTOHDIGEST(x) do { \
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x[0] = ntohl(x[0]); \
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x[1] = ntohl(x[1]); \
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x[2] = ntohl(x[2]); \
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x[3] = ntohl(x[3]); \
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x[4] = ntohl(x[4]); } while (0)
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#endif /* _SHA1_H */
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