mirror of
https://github.com/openssl/openssl.git
synced 2024-11-21 01:15:20 +08:00
823146d65f
Reviewed-by: Kurt Roeckx <kurt@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/1168)
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
|
|
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/bn.h>
|
|
#include <openssl/rsa.h>
|
|
|
|
int RSA_padding_add_none(unsigned char *to, int tlen,
|
|
const unsigned char *from, int flen)
|
|
{
|
|
if (flen > tlen) {
|
|
RSAerr(RSA_F_RSA_PADDING_ADD_NONE, RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE);
|
|
return (0);
|
|
}
|
|
|
|
if (flen < tlen) {
|
|
RSAerr(RSA_F_RSA_PADDING_ADD_NONE, RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE);
|
|
return (0);
|
|
}
|
|
|
|
memcpy(to, from, (unsigned int)flen);
|
|
return (1);
|
|
}
|
|
|
|
int RSA_padding_check_none(unsigned char *to, int tlen,
|
|
const unsigned char *from, int flen, int num)
|
|
{
|
|
|
|
if (flen > tlen) {
|
|
RSAerr(RSA_F_RSA_PADDING_CHECK_NONE, RSA_R_DATA_TOO_LARGE);
|
|
return (-1);
|
|
}
|
|
|
|
memset(to, 0, tlen - flen);
|
|
memcpy(to + tlen - flen, from, flen);
|
|
return (tlen);
|
|
}
|