ext/Digest-SHA/src/shaxtra.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include "sha.h"
   4
   5 static unsigned char *shacomp(alg, fmt, bitstr, bitcnt)
   6 int alg;
   7 int fmt;
   8 unsigned char *bitstr;
   9 unsigned long bitcnt;
  10 {
  11         SHA *s;
  12         static unsigned char digest[SHA_MAX_HEX_LEN+1];
  13         unsigned char *ret = digest;
  14
  15         if ((s = shaopen(alg)) == NULL)
  16                 return(NULL);
  17         shawrite(bitstr, bitcnt, s);
  18         shafinish(s);
  19         if (fmt == SHA_FMT_RAW)
  20                 memcpy(digest, shadigest(s), s->digestlen);
  21         else if (fmt == SHA_FMT_HEX)
  22                 strcpy((char *) digest, shahex(s));
  23         else if (fmt == SHA_FMT_BASE64)
  24                 strcpy((char *) digest, shabase64(s));
  25         else
  26                 ret = NULL;
  27         shaclose(s);
  28         return(ret);
  29 }
  30
  31 #define SHA_DIRECT(type, name, alg, fmt)                        \
  32 type name(bitstr, bitcnt)                                       \
  33 unsigned char *bitstr;                                          \
  34 unsigned long bitcnt;                                           \
  35 {                                                               \
  36         return((type) shacomp(alg, fmt, bitstr, bitcnt));       \
  37 }
  38
  39 SHA_DIRECT(unsigned char *, sha1digest, SHA1, SHA_FMT_RAW)
  40 SHA_DIRECT(char *, sha1hex, SHA1, SHA_FMT_HEX)
  41 SHA_DIRECT(char *, sha1base64, SHA1, SHA_FMT_BASE64)
  42
  43 SHA_DIRECT(unsigned char *, sha224digest, SHA224, SHA_FMT_RAW)
  44 SHA_DIRECT(char *, sha224hex, SHA224, SHA_FMT_HEX)
  45 SHA_DIRECT(char *, sha224base64, SHA224, SHA_FMT_BASE64)
  46
  47 SHA_DIRECT(unsigned char *, sha256digest, SHA256, SHA_FMT_RAW)
  48 SHA_DIRECT(char *, sha256hex, SHA256, SHA_FMT_HEX)
  49 SHA_DIRECT(char *, sha256base64, SHA256, SHA_FMT_BASE64)
  50
  51 SHA_DIRECT(unsigned char *, sha384digest, SHA384, SHA_FMT_RAW)
  52 SHA_DIRECT(char *, sha384hex, SHA384, SHA_FMT_HEX)
  53 SHA_DIRECT(char *, sha384base64, SHA384, SHA_FMT_BASE64)
  54
  55 SHA_DIRECT(unsigned char *, sha512digest, SHA512, SHA_FMT_RAW)
  56 SHA_DIRECT(char *, sha512hex, SHA512, SHA_FMT_HEX)
  57 SHA_DIRECT(char *, sha512base64, SHA512, SHA_FMT_BASE64)