linux-master/crypto/lskcipher.c

21 	struct crypto_tfm *tfm)
23 	return container_of(tfm, struct crypto_lskcipher, base);
32 static int lskcipher_setkey_unaligned(struct crypto_lskcipher *tfm,
35 	unsigned long alignmask = crypto_lskcipher_alignmask(tfm);
36 	struct lskcipher_alg *cipher = crypto_lskcipher_alg(tfm);
48 	ret = cipher->setkey(tfm, alignbuffer, keylen);
53 int crypto_lskcipher_setkey(struct crypto_lskcipher *tfm, const u8 *key,
56 	unsigned long alignmask = crypto_lskcipher_alignmask(tfm);
57 	struct lskcipher_alg *cipher = crypto_lskcipher_alg(tfm);
63 		return lskcipher_setkey_unaligned(tfm, key, keylen);
65 		return cipher->setkey(tfm, key, keylen);
70 	struct crypto_lskcipher *tfm, const u8 *src, u8 *dst, unsigned len,
71 	u8 *iv, int (*crypt)(struct crypto_lskcipher *tfm, const u8 *src,
74 	unsigned statesize = crypto_lskcipher_statesize(tfm);
75 	unsigned ivsize = crypto_lskcipher_ivsize(tfm);
76 	unsigned bs = crypto_lskcipher_blocksize(tfm);
77 	unsigned cs = crypto_lskcipher_chunksize(tfm);
104 		err = crypt(tfm, p, p, chunk, tiv, CRYPTO_LSKCIPHER_FLAG_FINAL);
123 static int crypto_lskcipher_crypt(struct crypto_lskcipher *tfm, const u8 *src,
125 				  int (*crypt)(struct crypto_lskcipher *tfm,
130 	unsigned long alignmask = crypto_lskcipher_alignmask(tfm);
134 		return crypto_lskcipher_crypt_unaligned(tfm, src, dst, len, iv,
137 	return crypt(tfm, src, dst, len, iv, CRYPTO_LSKCIPHER_FLAG_FINAL);
140 int crypto_lskcipher_encrypt(struct crypto_lskcipher *tfm, const u8 *src,
143 	struct lskcipher_alg *alg = crypto_lskcipher_alg(tfm);
145 	return crypto_lskcipher_crypt(tfm, src, dst, len, iv, alg->encrypt);
149 int crypto_lskcipher_decrypt(struct crypto_lskcipher *tfm, const u8 *src,
152 	struct lskcipher_alg *alg = crypto_lskcipher_alg(tfm);
154 	return crypto_lskcipher_crypt(tfm, src, dst, len, iv, alg->decrypt);
159 				     int (*crypt)(struct crypto_lskcipher *tfm,
167 	struct crypto_lskcipher *tfm = *ctx;
173 	ivsize = crypto_lskcipher_ivsize(tfm);
188 		err = crypt(tfm, walk.src.virt.addr, walk.dst.virt.addr,
219 static void crypto_lskcipher_exit_tfm(struct crypto_tfm *tfm)
221 	struct crypto_lskcipher *skcipher = __crypto_lskcipher_cast(tfm);
227 static int crypto_lskcipher_init_tfm(struct crypto_tfm *tfm)
229 	struct crypto_lskcipher *skcipher = __crypto_lskcipher_cast(tfm);
299 static void crypto_lskcipher_exit_tfm_sg(struct crypto_tfm *tfm)
301 	struct crypto_lskcipher **ctx = crypto_tfm_ctx(tfm);
306 int crypto_init_lskcipher_ops_sg(struct crypto_tfm *tfm)
308 	struct crypto_lskcipher **ctx = crypto_tfm_ctx(tfm);
309 	struct crypto_alg *calg = tfm->__crt_alg;
322 	tfm->exit = crypto_lskcipher_exit_tfm_sg;
425 static int lskcipher_setkey_simple(struct crypto_lskcipher *tfm, const u8 *key,
428 	struct crypto_lskcipher *cipher = lskcipher_cipher_simple(tfm);
431 	crypto_lskcipher_set_flags(cipher, crypto_lskcipher_get_flags(tfm) &
436 static int lskcipher_init_tfm_simple(struct crypto_lskcipher *tfm)
438 	struct lskcipher_instance *inst = lskcipher_alg_instance(tfm);
439 	struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm);
452 static void lskcipher_exit_tfm_simple(struct crypto_lskcipher *tfm)
454 	struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm);
472  * overridden if needed.  The tfm context defaults to