crypto_krb5_decrypt
EXPORT_SYMBOL(crypto_krb5_decrypt);
ret = crypto_krb5_decrypt(krb5, ci, sg, 1, &data_offset, &data_len);
int crypto_krb5_decrypt(const struct krb5_enctype *krb5,
ret = crypto_krb5_decrypt(key->krb5_type, key->krb5_tfms[usage_slot],
ret = crypto_krb5_decrypt(krb5, aead, sg, nr_sg,