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()
230 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt()  local
245 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_encrypt()
247 	if (!req_ctx->in_buf)  in pkcs1pad_encrypt()
251 	req_ctx->in_buf[0] = 0x02;  in pkcs1pad_encrypt()
253 		req_ctx->in_buf[i] = 1 + prandom_u32_max(255);  in pkcs1pad_encrypt()
254 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_encrypt()
256 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_encrypt()
259 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_encrypt()
260 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_encrypt()
264 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_encrypt()
267 	err = crypto_akcipher_encrypt(&req_ctx->child_req);  in pkcs1pad_encrypt()
278 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt_complete()  local
287 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_decrypt_complete()
291 	out_buf = req_ctx->out_buf;  in pkcs1pad_decrypt_complete()
323 	kzfree(req_ctx->out_buf);  in pkcs1pad_decrypt_complete()
346 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt()  local
352 	req_ctx->out_buf = kmalloc(ctx->key_size, GFP_KERNEL);  in pkcs1pad_decrypt()
353 	if (!req_ctx->out_buf)  in pkcs1pad_decrypt()
356 	pkcs1pad_sg_set_buf(req_ctx->out_sg, req_ctx->out_buf,  in pkcs1pad_decrypt()
359 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_decrypt()
360 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_decrypt()
364 	akcipher_request_set_crypt(&req_ctx->child_req, req->src,  in pkcs1pad_decrypt()
365 				   req_ctx->out_sg, req->src_len,  in pkcs1pad_decrypt()
368 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_decrypt()
379 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_sign()  local
400 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_sign()
402 	if (!req_ctx->in_buf)  in pkcs1pad_sign()
406 	req_ctx->in_buf[0] = 0x01;  in pkcs1pad_sign()
407 	memset(req_ctx->in_buf + 1, 0xff, ps_end - 1);  in pkcs1pad_sign()
408 	req_ctx->in_buf[ps_end] = 0x00;  in pkcs1pad_sign()
411 		memcpy(req_ctx->in_buf + ps_end + 1, digest_info->data,  in pkcs1pad_sign()
414 	pkcs1pad_sg_set_buf(req_ctx->in_sg, req_ctx->in_buf,  in pkcs1pad_sign()
417 	akcipher_request_set_tfm(&req_ctx->child_req, ctx->child);  in pkcs1pad_sign()
418 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_sign()
422 	akcipher_request_set_crypt(&req_ctx->child_req, req_ctx->in_sg,  in pkcs1pad_sign()
425 	err = crypto_akcipher_decrypt(&req_ctx->child_req);  in pkcs1pad_sign()
436 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify_complete()  local
448 	dst_len = req_ctx->child_req.dst_len;  in pkcs1pad_verify_complete()
452 	out_buf = req_ctx->out_buf;  in pkcs1pad_verify_complete()
495 			   req_ctx->out_buf + ctx->key_size,  in pkcs1pad_verify_complete()
498 	if (memcmp(req_ctx->out_buf + ctx->key_size, out_buf + pos,  in pkcs1pad_verify_complete()
502 	kzfree(req_ctx->out_buf);  in pkcs1pad_verify_complete()
533 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify()  local
541 	req_ctx->out_buf = kmalloc(ctx->key_size + req->dst_len, 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_encrypt(&req_ctx->child_req);  in pkcs1pad_verify()