fscrypt_init_hkdf  280 fs/crypto/fscrypt_private.h extern int fscrypt_init_hkdf(struct fscrypt_hkdf *hkdf, const u8 *master_key,
fscrypt_init_hkdf  529 fs/crypto/keyring.c 		err = fscrypt_init_hkdf(&secret.hkdf, secret.raw, secret.size);