1*bc5531deSDag-Erling Smørgrav /* $OpenBSD: sha1.h,v 1.24 2012/12/05 23:19:57 deraadt Exp $ */ 2*bc5531deSDag-Erling Smørgrav 3*bc5531deSDag-Erling Smørgrav /* 4*bc5531deSDag-Erling Smørgrav * SHA-1 in C 5*bc5531deSDag-Erling Smørgrav * By Steve Reid <steve@edmweb.com> 6*bc5531deSDag-Erling Smørgrav * 100% Public Domain 7*bc5531deSDag-Erling Smørgrav */ 8*bc5531deSDag-Erling Smørgrav 9*bc5531deSDag-Erling Smørgrav #ifndef _SHA1_H 10*bc5531deSDag-Erling Smørgrav #define _SHA1_H 11*bc5531deSDag-Erling Smørgrav 12*bc5531deSDag-Erling Smørgrav #ifndef WITH_OPENSSL 13*bc5531deSDag-Erling Smørgrav 14*bc5531deSDag-Erling Smørgrav #define SHA1_BLOCK_LENGTH 64 15*bc5531deSDag-Erling Smørgrav #define SHA1_DIGEST_LENGTH 20 16*bc5531deSDag-Erling Smørgrav #define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1) 17*bc5531deSDag-Erling Smørgrav 18*bc5531deSDag-Erling Smørgrav typedef struct { 19*bc5531deSDag-Erling Smørgrav u_int32_t state[5]; 20*bc5531deSDag-Erling Smørgrav u_int64_t count; 21*bc5531deSDag-Erling Smørgrav u_int8_t buffer[SHA1_BLOCK_LENGTH]; 22*bc5531deSDag-Erling Smørgrav } SHA1_CTX; 23*bc5531deSDag-Erling Smørgrav 24*bc5531deSDag-Erling Smørgrav void SHA1Init(SHA1_CTX *); 25*bc5531deSDag-Erling Smørgrav void SHA1Pad(SHA1_CTX *); 26*bc5531deSDag-Erling Smørgrav void SHA1Transform(u_int32_t [5], const u_int8_t [SHA1_BLOCK_LENGTH]) 27*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,1,5))) 28*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH))); 29*bc5531deSDag-Erling Smørgrav void SHA1Update(SHA1_CTX *, const u_int8_t *, size_t) 30*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__string__,2,3))); 31*bc5531deSDag-Erling Smørgrav void SHA1Final(u_int8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *) 32*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH))); 33*bc5531deSDag-Erling Smørgrav char *SHA1End(SHA1_CTX *, char *) 34*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); 35*bc5531deSDag-Erling Smørgrav char *SHA1File(const char *, char *) 36*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); 37*bc5531deSDag-Erling Smørgrav char *SHA1FileChunk(const char *, char *, off_t, off_t) 38*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH))); 39*bc5531deSDag-Erling Smørgrav char *SHA1Data(const u_int8_t *, size_t, char *) 40*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__string__,1,2))) 41*bc5531deSDag-Erling Smørgrav __attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH))); 42*bc5531deSDag-Erling Smørgrav 43*bc5531deSDag-Erling Smørgrav #define HTONDIGEST(x) do { \ 44*bc5531deSDag-Erling Smørgrav x[0] = htonl(x[0]); \ 45*bc5531deSDag-Erling Smørgrav x[1] = htonl(x[1]); \ 46*bc5531deSDag-Erling Smørgrav x[2] = htonl(x[2]); \ 47*bc5531deSDag-Erling Smørgrav x[3] = htonl(x[3]); \ 48*bc5531deSDag-Erling Smørgrav x[4] = htonl(x[4]); } while (0) 49*bc5531deSDag-Erling Smørgrav 50*bc5531deSDag-Erling Smørgrav #define NTOHDIGEST(x) do { \ 51*bc5531deSDag-Erling Smørgrav x[0] = ntohl(x[0]); \ 52*bc5531deSDag-Erling Smørgrav x[1] = ntohl(x[1]); \ 53*bc5531deSDag-Erling Smørgrav x[2] = ntohl(x[2]); \ 54*bc5531deSDag-Erling Smørgrav x[3] = ntohl(x[3]); \ 55*bc5531deSDag-Erling Smørgrav x[4] = ntohl(x[4]); } while (0) 56*bc5531deSDag-Erling Smørgrav 57*bc5531deSDag-Erling Smørgrav #endif /* !WITH_OPENSSL */ 58*bc5531deSDag-Erling Smørgrav #endif /* _SHA1_H */ 59