supercop

Basic CLI for supercop
git clone git://git.finwo.net/app/supercop
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detect.c (432B)

      1 #include <stddef.h>
      2 
      3 #include "common.h"
      4 
      5 #ifdef __cplusplus
      6 extern "C" {
      7 #endif
      8 
      9 char fmt_0x00_detect(unsigned char *cipherdata, size_t len) {
     10   // Only claim 0x00-prefixed payloads of a known size, so a future format
     11   // sharing the leading null-byte but with a different length won't collide
     12   if (len != 33 && len != 97) return 0;
     13   if ((*cipherdata) == '\0') return 1;
     14   return 0;
     15 }
     16 
     17 #ifdef __cplusplus
     18 } // extern "C"
     19 #endif