2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * RSA low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
16 #include "internal/cryptlib.h"
17 #include <openssl/bn.h>
18 #include <openssl/rsa.h>
20 int RSA_padding_add_none(unsigned char *to, int tlen,
21 const unsigned char *from, int flen)
24 RSAerr(RSA_F_RSA_PADDING_ADD_NONE, RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
29 RSAerr(RSA_F_RSA_PADDING_ADD_NONE, RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE);
33 memcpy(to, from, (unsigned int)flen);
37 int RSA_padding_check_none(unsigned char *to, int tlen,
38 const unsigned char *from, int flen, int num)
42 RSAerr(RSA_F_RSA_PADDING_CHECK_NONE, RSA_R_DATA_TOO_LARGE);
46 memset(to, 0, tlen - flen);
47 memcpy(to + tlen - flen, from, flen);