Andrew's git - gitweb.git/blob

   1/*
   2 * This code is included at the end of sha1dc/sha1.c with the
   3 * SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C macro.
   4 */
   5
   6void git_SHA1DCFinal(unsigned char hash[20], SHA1_CTX *ctx)
   7{
   8        if (!SHA1DCFinal(hash, ctx))
   9                return;
  10        die("SHA-1 appears to be part of a collision attack: %s",
  11            sha1_to_hex(hash));
  12}
  13
  14void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *vdata, unsigned long len)
  15{
  16        const char *data = vdata;
  17        /* We expect an unsigned long, but sha1dc only takes an int */
  18        while (len > INT_MAX) {
  19                SHA1DCUpdate(ctx, data, INT_MAX);
  20                data += INT_MAX;
  21                len -= INT_MAX;
  22        }
  23        SHA1DCUpdate(ctx, data, len);
  24}