krb5_old_encrypt_length
krb5_old_encrypt_length, krb5_old_encrypt, krb5_old_decrypt,
krb5_old_encrypt_length, krb5_old_encrypt, krb5_old_decrypt,
krb5_old_encrypt_length, krb5_old_encrypt, krb5_old_decrypt,
krb5_old_encrypt_length(enc, hash, input->length, &enclen);
void krb5_old_encrypt_length