diff options
Diffstat (limited to 'libkeccak_unhex.c')
| -rw-r--r-- | libkeccak_unhex.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libkeccak_unhex.c b/libkeccak_unhex.c index a12beb1..00bb039 100644 --- a/libkeccak_unhex.c +++ b/libkeccak_unhex.c @@ -15,6 +15,7 @@ libkeccak_unhex(void *restrict output_, const char *restrict hashsum) unsigned char *restrict output = output_; size_t n = strlen(hashsum) / 2; unsigned char a, b; + while (n--) { a = (unsigned char)hashsum[2 * n + 0]; b = (unsigned char)hashsum[2 * n + 1]; @@ -22,7 +23,7 @@ libkeccak_unhex(void *restrict output_, const char *restrict hashsum) a = (unsigned char)((a & 15) + (a > '9' ? 9 : 0)); b = (unsigned char)((b & 15) + (b > '9' ? 9 : 0)); - a <<= 4; + a = (unsigned char)(a << 4); a |= b; output[n] = a; } |