174 static int pkcs1pad_encrypt_sign_complete(struct akcipher_request *req, int err)  in pkcs1pad_encrypt_sign_complete()  argument
176 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_encrypt_sign_complete()
178 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt_sign_complete()
198 	sg_copy_to_buffer(req->dst, sg_nents_for_len(req->dst, len),  in pkcs1pad_encrypt_sign_complete()
200 	sg_copy_from_buffer(req->dst,  in pkcs1pad_encrypt_sign_complete()
201 			    sg_nents_for_len(req->dst, ctx->key_size),  in pkcs1pad_encrypt_sign_complete()
206 	req->dst_len = ctx->key_size;  in pkcs1pad_encrypt_sign_complete()
216 	struct akcipher_request *req = child_async_req->data;  in pkcs1pad_encrypt_sign_complete_cb()  local
221 	err = pkcs1pad_encrypt_sign_complete(req, err);  in pkcs1pad_encrypt_sign_complete_cb()
224 	akcipher_request_complete(req, err);  in pkcs1pad_encrypt_sign_complete_cb()
227 static int pkcs1pad_encrypt(struct akcipher_request *req)  in pkcs1pad_encrypt()  argument
229 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_encrypt()
231 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_encrypt()
238 	if (req->src_len > ctx->key_size - 11)  in pkcs1pad_encrypt()
241 	if (req->dst_len < ctx->key_size) {  in pkcs1pad_encrypt()
242 		req->dst_len = ctx->key_size;  in pkcs1pad_encrypt()
246 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_encrypt()
251 	ps_end = ctx->key_size - req->src_len - 2;  in pkcs1pad_encrypt()
258 			ctx->key_size - 1 - req->src_len, req->src);  in pkcs1pad_encrypt()
261 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_encrypt()
262 			pkcs1pad_encrypt_sign_complete_cb, req);  in pkcs1pad_encrypt()
266 				   req->dst, ctx->key_size - 1, req->dst_len);  in pkcs1pad_encrypt()
270 		return pkcs1pad_encrypt_sign_complete(req, err);  in pkcs1pad_encrypt()
275 static int pkcs1pad_decrypt_complete(struct akcipher_request *req, int err)  in pkcs1pad_decrypt_complete()  argument
277 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_decrypt_complete()
279 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt_complete()
314 	if (req->dst_len < dst_len - pos)  in pkcs1pad_decrypt_complete()
316 	req->dst_len = dst_len - pos;  in pkcs1pad_decrypt_complete()
319 		sg_copy_from_buffer(req->dst,  in pkcs1pad_decrypt_complete()
320 				sg_nents_for_len(req->dst, req->dst_len),  in pkcs1pad_decrypt_complete()
321 				out_buf + pos, req->dst_len);  in pkcs1pad_decrypt_complete()
332 	struct akcipher_request *req = child_async_req->data;  in pkcs1pad_decrypt_complete_cb()  local
337 	err = pkcs1pad_decrypt_complete(req, err);  in pkcs1pad_decrypt_complete_cb()
340 	akcipher_request_complete(req, err);  in pkcs1pad_decrypt_complete_cb()
343 static int pkcs1pad_decrypt(struct akcipher_request *req)  in pkcs1pad_decrypt()  argument
345 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_decrypt()
347 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_decrypt()
350 	if (!ctx->key_size || req->src_len != ctx->key_size)  in pkcs1pad_decrypt()
361 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_decrypt()
362 			pkcs1pad_decrypt_complete_cb, req);  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()
371 		return pkcs1pad_decrypt_complete(req, err);  in pkcs1pad_decrypt()
376 static int pkcs1pad_sign(struct akcipher_request *req)  in pkcs1pad_sign()  argument
378 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_sign()
380 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_sign()
393 	if (req->src_len + digest_size > ctx->key_size - 11)  in pkcs1pad_sign()
396 	if (req->dst_len < ctx->key_size) {  in pkcs1pad_sign()
397 		req->dst_len = ctx->key_size;  in pkcs1pad_sign()
401 	req_ctx->in_buf = kmalloc(ctx->key_size - 1 - req->src_len,  in pkcs1pad_sign()
406 	ps_end = ctx->key_size - digest_size - req->src_len - 2;  in pkcs1pad_sign()
416 			ctx->key_size - 1 - req->src_len, req->src);  in pkcs1pad_sign()
419 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_sign()
420 			pkcs1pad_encrypt_sign_complete_cb, req);  in pkcs1pad_sign()
424 				   req->dst, ctx->key_size - 1, req->dst_len);  in pkcs1pad_sign()
428 		return pkcs1pad_encrypt_sign_complete(req, err);  in pkcs1pad_sign()
433 static int pkcs1pad_verify_complete(struct akcipher_request *req, int err)  in pkcs1pad_verify_complete()  argument
435 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_verify_complete()
437 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify_complete()
487 	if (req->dst_len != dst_len - pos) {  in pkcs1pad_verify_complete()
489 		req->dst_len = dst_len - pos;  in pkcs1pad_verify_complete()
493 	sg_pcopy_to_buffer(req->src,  in pkcs1pad_verify_complete()
494 			   sg_nents_for_len(req->src,  in pkcs1pad_verify_complete()
495 					    req->src_len + req->dst_len),  in pkcs1pad_verify_complete()
497 			   req->dst_len, req->src_len);  in pkcs1pad_verify_complete()
500 		   req->dst_len) != 0)  in pkcs1pad_verify_complete()
511 	struct akcipher_request *req = child_async_req->data;  in pkcs1pad_verify_complete_cb()  local
516 	err = pkcs1pad_verify_complete(req, err);  in pkcs1pad_verify_complete_cb()
519 	akcipher_request_complete(req, err);  in pkcs1pad_verify_complete_cb()
530 static int pkcs1pad_verify(struct akcipher_request *req)  in pkcs1pad_verify()  argument
532 	struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req);  in pkcs1pad_verify()
534 	struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req);  in pkcs1pad_verify()
537 	if (WARN_ON(req->dst) ||  in pkcs1pad_verify()
538 	    WARN_ON(!req->dst_len) ||  in pkcs1pad_verify()
539 	    !ctx->key_size || req->src_len != ctx->key_size)  in pkcs1pad_verify()
542 	req_ctx->out_buf = kmalloc(ctx->key_size + req->dst_len, GFP_KERNEL);  in pkcs1pad_verify()
550 	akcipher_request_set_callback(&req_ctx->child_req, req->base.flags,  in pkcs1pad_verify()
551 			pkcs1pad_verify_complete_cb, req);  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()
560 		return pkcs1pad_verify_complete(req, err);  in pkcs1pad_verify()