lib/sha1.h

   1 /*      $OpenBSD: sha1.h,v 1.16 2004/01/22 21:48:02 espie Exp $ */
   2
   3 /*
   4  * SHA-1 in C
   5  * By Steve Reid <steve@edmweb.com>
   6  * 100% Public Domain
   7  */
   8
   9 #ifndef _SHA1_H
  10 #define _SHA1_H
  11
  12 #include <sys/types.h>
  13
  14 typedef struct {
  15     u_int32_t state[5];
  16     u_int32_t count[2];
  17     unsigned char buffer[64];
  18 } SHA1_CTX;
  19
  20 #include <sys/cdefs.h>
  21
  22 __BEGIN_DECLS
  23 void SHA1Transform(u_int32_t [5], const unsigned char [64]);
  24 void SHA1Init(SHA1_CTX *);
  25 void SHA1Update(SHA1_CTX *, const unsigned char *, unsigned int);
  26 void SHA1Final(unsigned char [20], SHA1_CTX *);
  27 char *SHA1End(SHA1_CTX *, char *);
  28 char *SHA1File(char *, char *);
  29 char *SHA1Data(const unsigned char *, size_t, char *);
  30 __END_DECLS
  31
  32 #define SHA1_DIGESTSIZE       20
  33 #define SHA1_BLOCKSIZE        64
  34 #define HTONDIGEST(x) do {                                              \
  35         x[0] = htonl(x[0]);                                             \
  36         x[1] = htonl(x[1]);                                             \
  37         x[2] = htonl(x[2]);                                             \
  38         x[3] = htonl(x[3]);                                             \
  39         x[4] = htonl(x[4]); } while (0)
  40
  41 #define NTOHDIGEST(x) do {                                              \
  42         x[0] = ntohl(x[0]);                                             \
  43         x[1] = ntohl(x[1]);                                             \
  44         x[2] = ntohl(x[2]);                                             \
  45         x[3] = ntohl(x[3]);                                             \
  46         x[4] = ntohl(x[4]); } while (0)
  47
  48 #endif /* _SHA1_H */