-/* crypto/bf/bf_skey.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* 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
#include <stdio.h>
#include <string.h>
-#include "blowfish.h"
+#include <openssl/blowfish.h>
#include "bf_locl.h"
#include "bf_pi.h"
-void BF_set_key(key,len,data)
-BF_KEY *key;
-int len;
-unsigned char *data;
- {
- int i;
- BF_LONG *p,ri,in[2];
- unsigned char *d,*end;
-
-
- memcpy((char *)key,(char *)&bf_init,sizeof(BF_KEY));
- p=key->P;
+void BF_set_key(BF_KEY *key, int len, const unsigned char *data)
+{
+ int i;
+ BF_LONG *p, ri, in[2];
+ const unsigned char *d, *end;
- if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;
+ memcpy(key, &bf_init, sizeof(BF_KEY));
+ p = key->P;
- d=data;
- end= &(data[len]);
- for (i=0; i<(BF_ROUNDS+2); i++)
- {
- ri= *(d++);
- if (d >= end) d=data;
+ if (len > ((BF_ROUNDS + 2) * 4))
+ len = (BF_ROUNDS + 2) * 4;
- ri<<=8;
- ri|= *(d++);
- if (d >= end) d=data;
+ d = data;
+ end = &(data[len]);
+ for (i = 0; i < (BF_ROUNDS + 2); i++) {
+ ri = *(d++);
+ if (d >= end)
+ d = data;
- ri<<=8;
- ri|= *(d++);
- if (d >= end) d=data;
+ ri <<= 8;
+ ri |= *(d++);
+ if (d >= end)
+ d = data;
- ri<<=8;
- ri|= *(d++);
- if (d >= end) d=data;
+ ri <<= 8;
+ ri |= *(d++);
+ if (d >= end)
+ d = data;
- p[i]^=ri;
- }
+ ri <<= 8;
+ ri |= *(d++);
+ if (d >= end)
+ d = data;
- in[0]=0L;
- in[1]=0L;
- for (i=0; i<(BF_ROUNDS+2); i+=2)
- {
- BF_encrypt(in,key,BF_ENCRYPT);
- p[i ]=in[0];
- p[i+1]=in[1];
- }
+ p[i] ^= ri;
+ }
- p=key->S;
- for (i=0; i<4*256; i+=2)
- {
- BF_encrypt(in,key,BF_ENCRYPT);
- p[i ]=in[0];
- p[i+1]=in[1];
- }
- }
+ in[0] = 0L;
+ in[1] = 0L;
+ for (i = 0; i < (BF_ROUNDS + 2); i += 2) {
+ BF_encrypt(in, key);
+ p[i] = in[0];
+ p[i + 1] = in[1];
+ }
+ p = key->S;
+ for (i = 0; i < 4 * 256; i += 2) {
+ BF_encrypt(in, key);
+ p[i] = in[0];
+ p[i + 1] = in[1];
+ }
+}
projects / openssl.git / blobdiff