HelenOS sources

add_round_key     481 uspace/lib/crypto/aes.c 	add_round_key(state, key_exp);
add_round_key     490 uspace/lib/crypto/aes.c 		add_round_key(state, key_exp + k * ELEMS);
add_round_key     533 uspace/lib/crypto/aes.c 	add_round_key(state, key_exp + ROUNDS * ELEMS);
add_round_key     538 uspace/lib/crypto/aes.c 		add_round_key(state, key_exp + k * ELEMS);
HelenOS homepage, sources at GitHub