krb5_etm_checksum
EXPORT_SYMBOL_IF_KUNIT(krb5_etm_checksum);
err = krb5_etm_checksum(cipher, ahash,
ret = krb5_etm_checksum(cipher, ahash, &subbuf, 0, &our_hmac_obj);
u32 krb5_etm_checksum(struct crypto_sync_skcipher *cipher,
err = krb5_etm_checksum(cts_tfm, ahash_tfm, &buf, 0, &checksum);