-void serpent_encrypt(struct keyInstance *key, uint32_t plaintext[4],
- uint32_t ciphertext[4]);
+void serpent_encrypt(struct keyInstance *key, const uint8_t plaintext[16],
+ uint8_t ciphertext[16]);
+void serpentbe_encrypt(struct keyInstance *key, const uint8_t plaintext[16],
+ uint8_t ciphertext[16]);