HelenOS sources
rotl_uint32 126 uspace/lib/crypto/crypto.c w[1] += rotl_uint32(w[0] + f + md5_sbox[k] +
rotl_uint32 148 uspace/lib/crypto/crypto.c sched_arr[k] = rotl_uint32(
rotl_uint32 173 uspace/lib/crypto/crypto.c temp = rotl_uint32(w[0], 5) + f + w[4] + cf + sched_arr[k];
rotl_uint32 177 uspace/lib/crypto/crypto.c w[2] = rotl_uint32(w[1], 30);
rotl_uint32 277 uspace/lib/ieee80211/src/ieee80211_impl.c *r ^= rotl_uint32(*l, 17);
rotl_uint32 281 uspace/lib/ieee80211/src/ieee80211_impl.c *r ^= rotl_uint32(*l, 3);
HelenOS homepage, sources at GitHub