Lines Matching refs:constant
290 * K(i) = CMAC(key, K(i-1) | i | constant | 0x00 | k)
295 * constant: The label input to the KDF is the usage constant supplied
305 krb5_cmac_Ki(struct crypto_shash *tfm, const struct xdr_netobj *constant,
325 ret = crypto_shash_update(desc, constant->data, constant->len);
348 * @constant: subkey usage label
358 * K(i) = CMAC(key, K(i-1) | i | constant | 0x00 | k)
359 * DR(key, constant) = k-truncate(K(1) | K(2) | ... | K(n))
360 * KDF-FEEDBACK-CMAC(key, constant) = random-to-key(DR(key, constant))
371 const struct xdr_netobj *constant,
412 ret = krb5_cmac_Ki(tfm, constant, outkey->len, count, &step);