178 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt_sign_complete()  local
186 	len = req_ctx->child_req.dst_len;  in pkcs1pad_encrypt_sign_complete()
208 	kfree(req_ctx->in_buf);  in pkcs1pad_encrypt_sign_complete()
231 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt()  local
246 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_encrypt()
248 	if (!req_ctx->in_buf)  in pkcs1pad_encrypt()
252 	req_ctx->in_buf[0] = 0x02;  in pkcs1pad_encrypt()
254 		req_ctx->in_buf[i] = 1 + prandom_u32_max(255);  in pkcs1pad_encrypt()
255 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_encrypt()
257 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_encrypt()
260 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_encrypt()
261 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_encrypt()
265 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_encrypt()
268 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_encrypt()
279 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt_complete()  local
288 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_decrypt_complete()
292 	out_buf = req_ctx->out_buf;  in pkcs1pad_decrypt_complete()
324 	kfree_sensitive(req_ctx->out_buf);  in pkcs1pad_decrypt_complete()
347 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt()  local
353 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_decrypt()
354 	if (!req_ctx->out_buf)  in pkcs1pad_decrypt()
357 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_decrypt()
360 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_decrypt()
361 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_decrypt()
365 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_decrypt()
366 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_decrypt()
369 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_decrypt()
380 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_sign()  local
401 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_sign()
403 	if (!req_ctx->in_buf)  in pkcs1pad_sign()
407 	req_ctx->in_buf[0] = 0x01;  in pkcs1pad_sign()
408 	memset(req_ctx->in_buf + 1, 0xff, ps_end - 1);  in pkcs1pad_sign()
409 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_sign()
412 		memcpy(req_ctx->in_buf + ps_end + 1, digest_info->data,  in pkcs1pad_sign()
415 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_sign()
418 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_sign()
419 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_sign()
423 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_sign()
426 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_sign()
437 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify_complete()  local
449 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_verify_complete()
453 	out_buf = req_ctx->out_buf;  in pkcs1pad_verify_complete()
496 			   req_ctx->out_buf + ctx->key_size,  in pkcs1pad_verify_complete()
499 	if (memcmp(req_ctx->out_buf + ctx->key_size, out_buf + pos,  in pkcs1pad_verify_complete()
503 	kfree_sensitive(req_ctx->out_buf);  in pkcs1pad_verify_complete()
534 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify()  local
542 	req_ctx->out_buf = kmalloc(ctx->key_size + req->dst_len, GFP_KERNEL);  in pkcs1pad_verify()
543 	if (!req_ctx->out_buf)  in pkcs1pad_verify()
546 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_verify()
549 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_verify()
550 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_verify()
554 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_verify()
555 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_verify()
558 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_verify()