Fix a read off the end of the input buffer
when building with OPENSSL_SMALL_FOOTPRINT defined.
@@ -174,7 +174,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
goto reconsider;
} else
#endif
- if (bits >= 8) {
+ if (bits > 8) {
b = ((inp[0] << inpgap) | (inp[1] >> (8 - inpgap)));
b &= 0xff;
if (bitrem)
@@ -191,7 +191,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
}
if (bitrem)
c->data[byteoff] = b << (8 - bitrem);
- } else { /* remaining less than 8 bits */
+ } else { /* remaining less than or equal to 8 bits */
b = (inp[0] << inpgap) & 0xff;
if (bitrem)
