51 	struct aead_request *req)  in crypto_ccm_reqctx()  argument
53 	unsigned long align = crypto_aead_alignmask(crypto_aead_reqtfm(req));  in crypto_ccm_reqctx()
55 	return (void *)PTR_ALIGN((u8 *)aead_request_ctx(req), align + 1);  in crypto_ccm_reqctx()
123 static int format_input(u8 *info, struct aead_request *req,  in format_input()  argument
126 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in format_input()
127 	unsigned int lp = req->iv[0];  in format_input()
133 	memcpy(info, req->iv, 16);  in format_input()
139 	if (req->assoclen)  in format_input()
245 static int crypto_ccm_auth(struct aead_request *req, struct scatterlist *plain,  in crypto_ccm_auth()  argument
248 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_ccm_auth()
250 	struct crypto_ccm_req_priv_ctx *pctx = crypto_ccm_reqctx(req);  in crypto_ccm_auth()
252 	unsigned int assoclen = req->assoclen;  in crypto_ccm_auth()
258 	err = format_input(odata, req, cryptlen);  in crypto_ccm_auth()
268 		get_data_to_compute(cipher, pctx, req->assoc, req->assoclen);  in crypto_ccm_auth()
283 	struct aead_request *req = areq->data;  in crypto_ccm_encrypt_done()  local
284 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_ccm_encrypt_done()
285 	struct crypto_ccm_req_priv_ctx *pctx = crypto_ccm_reqctx(req);  in crypto_ccm_encrypt_done()
289 		scatterwalk_map_and_copy(odata, req->dst, req->cryptlen,  in crypto_ccm_encrypt_done()
291 	aead_request_complete(req, err);  in crypto_ccm_encrypt_done()
303 static int crypto_ccm_encrypt(struct aead_request *req)  in crypto_ccm_encrypt()  argument
305 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_ccm_encrypt()
307 	struct crypto_ccm_req_priv_ctx *pctx = crypto_ccm_reqctx(req);  in crypto_ccm_encrypt()
310 	unsigned int cryptlen = req->cryptlen;  in crypto_ccm_encrypt()
312 	u8 *iv = req->iv;  in crypto_ccm_encrypt()
319 	pctx->flags = aead_request_flags(req);  in crypto_ccm_encrypt()
321 	err = crypto_ccm_auth(req, req->src, cryptlen);  in crypto_ccm_encrypt()
332 	scatterwalk_sg_chain(pctx->src, 2, req->src);  in crypto_ccm_encrypt()
335 	if (req->src != req->dst) {  in crypto_ccm_encrypt()
338 		scatterwalk_sg_chain(pctx->dst, 2, req->dst);  in crypto_ccm_encrypt()
344 					crypto_ccm_encrypt_done, req);  in crypto_ccm_encrypt()
351 	scatterwalk_map_and_copy(odata, req->dst, cryptlen,  in crypto_ccm_encrypt()
359 	struct aead_request *req = areq->data;  in crypto_ccm_decrypt_done()  local
360 	struct crypto_ccm_req_priv_ctx *pctx = crypto_ccm_reqctx(req);  in crypto_ccm_decrypt_done()
361 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_ccm_decrypt_done()
363 	unsigned int cryptlen = req->cryptlen - authsize;  in crypto_ccm_decrypt_done()
366 		err = crypto_ccm_auth(req, req->dst, cryptlen);  in crypto_ccm_decrypt_done()
370 	aead_request_complete(req, err);  in crypto_ccm_decrypt_done()
373 static int crypto_ccm_decrypt(struct aead_request *req)  in crypto_ccm_decrypt()  argument
375 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_ccm_decrypt()
377 	struct crypto_ccm_req_priv_ctx *pctx = crypto_ccm_reqctx(req);  in crypto_ccm_decrypt()
381 	unsigned int cryptlen = req->cryptlen;  in crypto_ccm_decrypt()
384 	u8 *iv = req->iv;  in crypto_ccm_decrypt()
395 	pctx->flags = aead_request_flags(req);  in crypto_ccm_decrypt()
397 	scatterwalk_map_and_copy(authtag, req->src, cryptlen, authsize, 0);  in crypto_ccm_decrypt()
403 	scatterwalk_sg_chain(pctx->src, 2, req->src);  in crypto_ccm_decrypt()
406 	if (req->src != req->dst) {  in crypto_ccm_decrypt()
409 		scatterwalk_sg_chain(pctx->dst, 2, req->dst);  in crypto_ccm_decrypt()
415 					crypto_ccm_decrypt_done, req);  in crypto_ccm_decrypt()
421 	err = crypto_ccm_auth(req, req->dst, cryptlen);  in crypto_ccm_decrypt()
678 static struct aead_request *crypto_rfc4309_crypt(struct aead_request *req)  in crypto_rfc4309_crypt()  argument
680 	struct aead_request *subreq = aead_request_ctx(req);  in crypto_rfc4309_crypt()
681 	struct crypto_aead *aead = crypto_aead_reqtfm(req);  in crypto_rfc4309_crypt()
691 	memcpy(iv + 4, req->iv, 8);  in crypto_rfc4309_crypt()
694 	aead_request_set_callback(subreq, req->base.flags, req->base.complete,  in crypto_rfc4309_crypt()
695 				  req->base.data);  in crypto_rfc4309_crypt()
696 	aead_request_set_crypt(subreq, req->src, req->dst, req->cryptlen, iv);  in crypto_rfc4309_crypt()
697 	aead_request_set_assoc(subreq, req->assoc, req->assoclen);  in crypto_rfc4309_crypt()
702 static int crypto_rfc4309_encrypt(struct aead_request *req)  in crypto_rfc4309_encrypt()  argument
704 	req = crypto_rfc4309_crypt(req);  in crypto_rfc4309_encrypt()
706 	return crypto_aead_encrypt(req);  in crypto_rfc4309_encrypt()
709 static int crypto_rfc4309_decrypt(struct aead_request *req)  in crypto_rfc4309_decrypt()  argument
711 	req = crypto_rfc4309_crypt(req);  in crypto_rfc4309_decrypt()
713 	return crypto_aead_decrypt(req);  in crypto_rfc4309_decrypt()