180 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt_sign_complete()  local
188 	len = req_ctx->child_req.dst_len;  in pkcs1pad_encrypt_sign_complete()
210 	kfree(req_ctx->in_buf);  in pkcs1pad_encrypt_sign_complete()
235 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt()  local
250 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_encrypt()
252 	if (!req_ctx->in_buf)  in pkcs1pad_encrypt()
256 	req_ctx->in_buf[0] = 0x02;  in pkcs1pad_encrypt()
258 		req_ctx->in_buf[i] = 1 + prandom_u32_max(255);  in pkcs1pad_encrypt()
259 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_encrypt()
261 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_encrypt()
264 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_encrypt()
265 	if (!req_ctx->out_buf) {  in pkcs1pad_encrypt()
266 		kfree(req_ctx->in_buf);  in pkcs1pad_encrypt()
270 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_encrypt()
273 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_encrypt()
274 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_encrypt()
278 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_encrypt()
281 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_encrypt()
292 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt_complete()  local
301 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_decrypt_complete()
305 	out_buf = req_ctx->out_buf;  in pkcs1pad_decrypt_complete()
337 	kzfree(req_ctx->out_buf);  in pkcs1pad_decrypt_complete()
361 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt()  local
367 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_decrypt()
368 	if (!req_ctx->out_buf)  in pkcs1pad_decrypt()
371 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_decrypt()
374 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_decrypt()
375 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_decrypt()
379 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_decrypt()
380 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_decrypt()
383 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_decrypt()
394 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_sign()  local
414 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_sign()
416 	if (!req_ctx->in_buf)  in pkcs1pad_sign()
420 	req_ctx->in_buf[0] = 0x01;  in pkcs1pad_sign()
421 	memset(req_ctx->in_buf + 1, 0xff, ps_end - 1);  in pkcs1pad_sign()
422 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_sign()
424 	memcpy(req_ctx->in_buf + ps_end + 1, digest_info->data,  in pkcs1pad_sign()
427 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_sign()
430 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_sign()
431 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_sign()
435 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_sign()
438 	err = crypto_akcipher_sign(&req_ctx->child_req);  in pkcs1pad_sign()
449 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify_complete()  local
461 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_verify_complete()
465 	out_buf = req_ctx->out_buf;  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
541 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_verify()
542 	if (!req_ctx->out_buf)  in pkcs1pad_verify()
545 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_verify()
548 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_verify()
549 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_verify()
553 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_verify()
554 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_verify()
557 	err = crypto_akcipher_verify(&req_ctx->child_req);  in pkcs1pad_verify()