177 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt_sign_complete()  local
185 	len = req_ctx->child_req.dst_len;  in pkcs1pad_encrypt_sign_complete()
207 	kfree(req_ctx->in_buf);  in pkcs1pad_encrypt_sign_complete()
232 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt()  local
247 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_encrypt()
249 	if (!req_ctx->in_buf)  in pkcs1pad_encrypt()
253 	req_ctx->in_buf[0] = 0x02;  in pkcs1pad_encrypt()
255 		req_ctx->in_buf[i] = 1 + prandom_u32_max(255);  in pkcs1pad_encrypt()
256 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_encrypt()
258 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_encrypt()
261 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_encrypt()
262 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_encrypt()
266 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_encrypt()
269 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_encrypt()
280 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt_complete()  local
289 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_decrypt_complete()
293 	out_buf = req_ctx->out_buf;  in pkcs1pad_decrypt_complete()
325 	kzfree(req_ctx->out_buf);  in pkcs1pad_decrypt_complete()
349 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt()  local
355 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_decrypt()
356 	if (!req_ctx->out_buf)  in pkcs1pad_decrypt()
359 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_decrypt()
362 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_decrypt()
363 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_decrypt()
367 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_decrypt()
368 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_decrypt()
371 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_decrypt()
382 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_sign()  local
403 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_sign()
405 	if (!req_ctx->in_buf)  in pkcs1pad_sign()
409 	req_ctx->in_buf[0] = 0x01;  in pkcs1pad_sign()
410 	memset(req_ctx->in_buf + 1, 0xff, ps_end - 1);  in pkcs1pad_sign()
411 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_sign()
414 		memcpy(req_ctx->in_buf + ps_end + 1, digest_info->data,  in pkcs1pad_sign()
417 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_sign()
420 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_sign()
421 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_sign()
425 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_sign()
428 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_sign()
439 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify_complete()  local
451 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_verify_complete()
455 	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 	kzfree(req_ctx->out_buf);  in pkcs1pad_verify_complete()
535 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify()  local
543 	req_ctx->out_buf = kmalloc(ctx->key_size + req->dst_len, GFP_KERNEL);  in pkcs1pad_verify()
544 	if (!req_ctx->out_buf)  in pkcs1pad_verify()
547 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_verify()
550 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_verify()
551 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_verify()
555 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_verify()
556 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_verify()
559 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_verify()