krb5int_cmac_checksum
ret = krb5int_cmac_checksum(enc, key, iov, 6, &prf);
ret = krb5int_cmac_checksum(enc, key, &iov, 1, &result);
ret = krb5int_cmac_checksum(enc, key, &iov, 1, &result);
ret = krb5int_cmac_checksum(enc, key, &iov, 1, &result);
ret = krb5int_cmac_checksum(enc, key, &iov, 1, &result);
ret = krb5int_cmac_checksum(enc, kc, data, num_data, output);
krb5_error_code krb5int_cmac_checksum(const struct krb5_enc_provider *enc,
ret = krb5int_cmac_checksum(enc, ki, data, num_data, &trailer->data);
ret = krb5int_cmac_checksum(enc, ki, data, num_data, &cksum);
ret = krb5int_cmac_checksum(ktp->enc, kp, &iov, 1, out);