27 static int null_compress(struct crypto_tfm *tfm, const u8 *src,  in null_compress()  argument
59 static int null_hash_setkey(struct crypto_shash *tfm, const u8 *key,  in null_hash_setkey()  argument
63 static int null_skcipher_setkey(struct crypto_skcipher *tfm, const u8 *key,  in null_skcipher_setkey()  argument
67 static int null_setkey(struct crypto_tfm *tfm, const u8 *key,  in null_setkey()  argument
71 static void null_crypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)  in null_crypt()  argument
155 	struct crypto_sync_skcipher *tfm;  in crypto_get_default_null_skcipher()  local
158 	tfm = crypto_default_null_skcipher;  in crypto_get_default_null_skcipher()
160 	if (!tfm) {  in crypto_get_default_null_skcipher()
161 		tfm = crypto_alloc_sync_skcipher("ecb(cipher_null)", 0, 0);  in crypto_get_default_null_skcipher()
162 		if (IS_ERR(tfm))  in crypto_get_default_null_skcipher()
165 		crypto_default_null_skcipher = tfm;  in crypto_get_default_null_skcipher()
173 	return tfm;  in crypto_get_default_null_skcipher()