xnu-344.tar.gz

[apple/xnu.git] / bsd / crypto / blowfish / bf_enc.c

diff --git a/bsd/crypto/blowfish/bf_enc.c b/bsd/crypto/blowfish/bf_enc.c
index 41d302a513445bd8e3d008de91c7c8f53ce7db7b..afdc9cf4c7d324bfb8f11bb330c569cb2fc9de8b 100644 (file)
--- a/bsd/crypto/blowfish/bf_enc.c
+++ b/bsd/crypto/blowfish/bf_enc.c
@@ -1,3 +1,6 @@
+/*     $FreeBSD: src/sys/crypto/blowfish/bf_enc.c,v 1.1.2.2 2001/07/03 11:01:28 ume Exp $      */
+/*     $KAME: bf_enc.c,v 1.5 2000/09/18 21:21:19 itojun Exp $  */
+
 /* crypto/bf/bf_enc.c */
 /* Copyright (C) 1995-1997 Eric Young (eay@mincom.oz.au)
  * All rights reserved.
@@ -56,6 +59,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <sys/types.h>
 #include <crypto/blowfish/blowfish.h>
 #include <crypto/blowfish/bf_locl.h>
 
@@ -69,72 +73,71 @@ If you set BF_ROUNDS to some value other than 16 or 20, you will have
 to modify the code.
 #endif
 
-void BF_encrypt(data,key,encrypt)
-BF_LONG *data;
-BF_KEY *key;
-int encrypt;
-       {
-       register BF_LONG l,r,*p,*s;
+/* XXX "data" is host endian */
+void
+BF_encrypt(data, key, encrypt)
+       BF_LONG *data;
+       BF_KEY *key;
+       int encrypt;
+{
+       register BF_LONG l, r, *p, *s;
 
-       p=key->P;
-       s= &(key->S[0]);
-       l=data[0];
-       r=data[1];
+       p = key->P;
+       s= &key->S[0];
+       l = data[0];
+       r = data[1];
 
-       if (encrypt)
-               {
+       if (encrypt) {
                l^=p[0];
-               BF_ENC(r,l,s,p[ 1]);
-               BF_ENC(l,r,s,p[ 2]);
-               BF_ENC(r,l,s,p[ 3]);
-               BF_ENC(l,r,s,p[ 4]);
-               BF_ENC(r,l,s,p[ 5]);
-               BF_ENC(l,r,s,p[ 6]);
-               BF_ENC(r,l,s,p[ 7]);
-               BF_ENC(l,r,s,p[ 8]);
-               BF_ENC(r,l,s,p[ 9]);
-               BF_ENC(l,r,s,p[10]);
-               BF_ENC(r,l,s,p[11]);
-               BF_ENC(l,r,s,p[12]);
-               BF_ENC(r,l,s,p[13]);
-               BF_ENC(l,r,s,p[14]);
-               BF_ENC(r,l,s,p[15]);
-               BF_ENC(l,r,s,p[16]);
+               BF_ENC(r, l, s, p[ 1]);
+               BF_ENC(l, r, s, p[ 2]);
+               BF_ENC(r, l, s, p[ 3]);
+               BF_ENC(l, r, s, p[ 4]);
+               BF_ENC(r, l, s, p[ 5]);
+               BF_ENC(l, r, s, p[ 6]);
+               BF_ENC(r, l, s, p[ 7]);
+               BF_ENC(l, r, s, p[ 8]);
+               BF_ENC(r, l, s, p[ 9]);
+               BF_ENC(l, r, s, p[10]);
+               BF_ENC(r, l, s, p[11]);
+               BF_ENC(l, r, s, p[12]);
+               BF_ENC(r, l, s, p[13]);
+               BF_ENC(l, r, s, p[14]);
+               BF_ENC(r, l, s, p[15]);
+               BF_ENC(l, r, s, p[16]);
 #if BF_ROUNDS == 20
-               BF_ENC(r,l,s,p[17]);
-               BF_ENC(l,r,s,p[18]);
-               BF_ENC(r,l,s,p[19]);
-               BF_ENC(l,r,s,p[20]);
+               BF_ENC(r, l, s, p[17]);
+               BF_ENC(l, r, s, p[18]);
+               BF_ENC(r, l, s, p[19]);
+               BF_ENC(l, r, s, p[20]);
 #endif
-               r^=p[BF_ROUNDS+1];
-               }
-       else
-               {
-               l^=p[BF_ROUNDS+1];
+               r ^= p[BF_ROUNDS + 1];
+       } else {
+               l ^= p[BF_ROUNDS + 1];
 #if BF_ROUNDS == 20
-               BF_ENC(r,l,s,p[20]);
-               BF_ENC(l,r,s,p[19]);
-               BF_ENC(r,l,s,p[18]);
-               BF_ENC(l,r,s,p[17]);
+               BF_ENC(r, l, s, p[20]);
+               BF_ENC(l, r, s, p[19]);
+               BF_ENC(r, l, s, p[18]);
+               BF_ENC(l, r, s, p[17]);
 #endif
-               BF_ENC(r,l,s,p[16]);
-               BF_ENC(l,r,s,p[15]);
-               BF_ENC(r,l,s,p[14]);
-               BF_ENC(l,r,s,p[13]);
-               BF_ENC(r,l,s,p[12]);
-               BF_ENC(l,r,s,p[11]);
-               BF_ENC(r,l,s,p[10]);
-               BF_ENC(l,r,s,p[ 9]);
-               BF_ENC(r,l,s,p[ 8]);
-               BF_ENC(l,r,s,p[ 7]);
-               BF_ENC(r,l,s,p[ 6]);
-               BF_ENC(l,r,s,p[ 5]);
-               BF_ENC(r,l,s,p[ 4]);
-               BF_ENC(l,r,s,p[ 3]);
-               BF_ENC(r,l,s,p[ 2]);
-               BF_ENC(l,r,s,p[ 1]);
-               r^=p[0];
-               }
-       data[1]=l&0xffffffff;
-       data[0]=r&0xffffffff;
+               BF_ENC(r, l, s, p[16]);
+               BF_ENC(l, r, s, p[15]);
+               BF_ENC(r, l, s, p[14]);
+               BF_ENC(l, r, s, p[13]);
+               BF_ENC(r, l, s, p[12]);
+               BF_ENC(l, r, s, p[11]);
+               BF_ENC(r, l, s, p[10]);
+               BF_ENC(l, r, s, p[ 9]);
+               BF_ENC(r, l, s, p[ 8]);
+               BF_ENC(l, r, s, p[ 7]);
+               BF_ENC(r, l, s, p[ 6]);
+               BF_ENC(l, r, s, p[ 5]);
+               BF_ENC(r, l, s, p[ 4]);
+               BF_ENC(l, r, s, p[ 3]);
+               BF_ENC(r, l, s, p[ 2]);
+               BF_ENC(l, r, s, p[ 1]);
+               r ^= p[0];
        }
+       data[1] = l & 0xffffffff;
+       data[0] = r & 0xffffffff;
+}