lhash: Avoid 32 bit right shift of a 32 bit value
Fixes
@@ -383,7 +383,8 @@ unsigned long OPENSSL_LH_strhash(const char *c)
v = n | (*c);
n += 0x100;
r = (int)((v >> 2) ^ v) & 0x0f;
- ret = (ret << r) | (ret >> (32 - r));
+ /* cast to uint64_t to avoid 32 bit shift of 32 bit value */
+ ret = (ret << r) | (unsigned long)((uint64_t)ret >> (32 - r));
ret &= 0xFFFFFFFFL;
ret ^= v * v;
c++;
@@ -404,7 +405,8 @@ unsigned long ossl_lh_strcasehash(const char *c)
for (n = 0x100; *c != '\0'; n += 0x100) {
v = n | ossl_tolower(*c);
r = (int)((v >> 2) ^ v) & 0x0f;
- ret = (ret << r) | (ret >> (32 - r));
+ /* cast to uint64_t to avoid 32 bit shift of 32 bit value */
+ ret = (ret << r) | (unsigned long)((uint64_t)ret >> (32 - r));
ret &= 0xFFFFFFFFL;
ret ^= v * v;
c++;
