g_eli_crypto_cipher
g_eli_crypto_cipher(u_int algo, geli_op_t enc, u_char *data, size_t datasize,
g_eli_crypto_cipher(u_int algo, int enc, u_char *data, size_t datasize,
g_eli_crypto_cipher(u_int algo, int enc, u_char *data, size_t datasize,