-/* crypto/rsa/rsa_none.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
-#include <stdio.h>
-#include "cryptlib.h"
-#include "bn.h"
-#include "rsa.h"
-#include "rand.h"
+#include "internal/cryptlib.h"
+#include <openssl/bn.h>
+#include <openssl/rsa.h>
+#include <openssl/rand.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);
+ }
-int RSA_padding_add_none(to,tlen,from,flen)
-unsigned char *to;
-int tlen;
-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);
- }
-
- *(to++)=0;
- memcpy(to,from,(unsigned int)flen);
- return(1);
- }
+ if (flen < tlen) {
+ RSAerr(RSA_F_RSA_PADDING_ADD_NONE, RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE);
+ return (0);
+ }
-int RSA_padding_check_none(to,tlen,from,flen)
-unsigned char *to;
-int tlen;
-unsigned char *from;
-int flen;
- {
- int j;
+ memcpy(to, from, (unsigned int)flen);
+ return (1);
+}
- from++;
- if (flen+1 > tlen)
- {
- RSAerr(RSA_F_RSA_PADDING_CHECK_NONE,RSA_R_DATA_TOO_LARGE);
- return(-1);
- }
- if (*(from++) != 0)
- {
- RSAerr(RSA_F_RSA_PADDING_CHECK_NONE,RSA_R_BAD_ZERO_BYTE);
- return(-1);
- }
+int RSA_padding_check_none(unsigned char *to, int tlen,
+ const unsigned char *from, int flen, int num)
+{
- /* scan over padding data */
- j=flen-1; /* one for type and one for the prepended 0. */
- memset(to,0,tlen-j);
- to+=(tlen-j);
- memcpy(to,from,j);
- return(j);
- }
+ 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);
+}