-/* crypto/bf/bf_skey.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include <stdio.h>
#include <string.h>
+
#include "blowfish.h"
#include "bf_locl.h"
#include "bf_pi.h"
+
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;
+{
+ int i;
+ BF_LONG *p, ri, in[2];
+ const unsigned char *d, *end;
- memcpy(key,&bf_init,sizeof(BF_KEY));
- p=key->P;
+ memcpy(key, &bf_init, sizeof(BF_KEY));
+ p = key->P;
- if (len > ((BF_ROUNDS+2)*4)) len=(BF_ROUNDS+2)*4;
+ if (len > ((BF_ROUNDS + 2) * 4)) {
+ len = (BF_ROUNDS + 2) * 4;
+ }
- d=data;
- end= &(data[len]);
- for (i=0; i<(BF_ROUNDS+2); i++)
- {
- 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;
+ }
- ri<<=8;
- ri|= *(d++);
- if (d >= end) d=data;
+ ri <<= 8;
+ ri |= *(d++);
+ if (d >= end) {
+ d = data;
+ }
- p[i]^=ri;
- }
+ p[i] ^= ri;
+ }
- 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];
- }
+ 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];
- }
- }
+ p = key->S;
+ for (i = 0; i < 4 * 256; i += 2) {
+ BF_encrypt(in, key);
+ p[i ] = in[0];
+ p[i + 1] = in[1];
+ }
+}