Hit rc2 with the loving mallet of knfmt.
authorbeck <beck@openbsd.org>
Fri, 7 Jul 2023 08:29:37 +0000 (08:29 +0000)
committerbeck <beck@openbsd.org>
Fri, 7 Jul 2023 08:29:37 +0000 (08:29 +0000)
ok tb@

lib/libcrypto/rc2/rc2.h
lib/libcrypto/rc2/rc2_cbc.c
lib/libcrypto/rc2/rc2_ecb.c
lib/libcrypto/rc2/rc2_local.h
lib/libcrypto/rc2/rc2_skey.c
lib/libcrypto/rc2/rc2cfb64.c
lib/libcrypto/rc2/rc2ofb64.c

index 21511ff..09c6c08 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2.h,v 1.11 2014/07/10 22:45:57 jsing Exp $ */
+/* $OpenBSD: rc2.h,v 1.12 2023/07/07 08:29:37 beck Exp $ */
 /* Copyright (C) 1995-1997 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
@@ -49,7 +49,7 @@
  * 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
 extern "C" {
 #endif
 
-typedef struct rc2_key_st
-       {
+typedef struct rc2_key_st {
        RC2_INT data[64];
-       } RC2_KEY;
+} RC2_KEY;
 
-void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data,int bits);
-void RC2_ecb_encrypt(const unsigned char *in,unsigned char *out,RC2_KEY *key,
-                    int enc);
-void RC2_encrypt(unsigned long *data,RC2_KEY *key);
-void RC2_decrypt(unsigned long *data,RC2_KEY *key);
+void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits);
+void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *key,
+    int enc);
+void RC2_encrypt(unsigned long *data, RC2_KEY *key);
+void RC2_decrypt(unsigned long *data, RC2_KEY *key);
 void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
-       RC2_KEY *ks, unsigned char *iv, int enc);
+    RC2_KEY *ks, unsigned char *iv, int enc);
 void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
-                      long length, RC2_KEY *schedule, unsigned char *ivec,
-                      int *num, int enc);
+    long length, RC2_KEY *schedule, unsigned char *ivec,
+    int *num, int enc);
 void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
-                      long length, RC2_KEY *schedule, unsigned char *ivec,
-                      int *num);
+    long length, RC2_KEY *schedule, unsigned char *ivec,
+    int *num);
 
 #ifdef  __cplusplus
 }
index 44204af..c4a5838 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2_cbc.c,v 1.6 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2_cbc.c,v 1.7 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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 <openssl/rc2.h>
 #include "rc2_local.h"
 
-void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
-            RC2_KEY *ks, unsigned char *iv, int encrypt)
-       {
-       unsigned long tin0,tin1;
-       unsigned long tout0,tout1,xor0,xor1;
-       long l=length;
+void
+RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+    RC2_KEY *ks, unsigned char *iv, int encrypt)
+{
+       unsigned long tin0, tin1;
+       unsigned long tout0, tout1, xor0, xor1;
+       long l = length;
        unsigned long tin[2];
 
-       if (encrypt)
+       if (encrypt) {
+               c2l(iv, tout0);
+               c2l(iv, tout1);
+               iv -= 8;
+               for (l -= 8; l >= 0; l -= 8)
                {
-               c2l(iv,tout0);
-               c2l(iv,tout1);
-               iv-=8;
-               for (l-=8; l>=0; l-=8)
-                       {
-                       c2l(in,tin0);
-                       c2l(in,tin1);
-                       tin0^=tout0;
-                       tin1^=tout1;
-                       tin[0]=tin0;
-                       tin[1]=tin1;
-                       RC2_encrypt(tin,ks);
-                       tout0=tin[0]; l2c(tout0,out);
-                       tout1=tin[1]; l2c(tout1,out);
-                       }
-               if (l != -8)
-                       {
-                       c2ln(in,tin0,tin1,l+8);
-                       tin0^=tout0;
-                       tin1^=tout1;
-                       tin[0]=tin0;
-                       tin[1]=tin1;
-                       RC2_encrypt(tin,ks);
-                       tout0=tin[0]; l2c(tout0,out);
-                       tout1=tin[1]; l2c(tout1,out);
-                       }
-               l2c(tout0,iv);
-               l2c(tout1,iv);
+                       c2l(in, tin0);
+                       c2l(in, tin1);
+                       tin0 ^= tout0;
+                       tin1 ^= tout1;
+                       tin[0] = tin0;
+                       tin[1] = tin1;
+                       RC2_encrypt(tin, ks);
+                       tout0 = tin[0];
+                       l2c(tout0, out);
+                       tout1 = tin[1];
+                       l2c(tout1, out);
+               }
+               if (l != -8) {
+                       c2ln(in, tin0, tin1, l + 8);
+                       tin0 ^= tout0;
+                       tin1 ^= tout1;
+                       tin[0] = tin0;
+                       tin[1] = tin1;
+                       RC2_encrypt(tin, ks);
+                       tout0 = tin[0];
+                       l2c(tout0, out);
+                       tout1 = tin[1];
+                       l2c(tout1, out);
                }
-       else
+               l2c(tout0, iv);
+               l2c(tout1, iv);
+       } else {
+               c2l(iv, xor0);
+               c2l(iv, xor1);
+               iv -= 8;
+               for (l -= 8; l >= 0; l -= 8)
                {
-               c2l(iv,xor0);
-               c2l(iv,xor1);
-               iv-=8;
-               for (l-=8; l>=0; l-=8)
-                       {
-                       c2l(in,tin0); tin[0]=tin0;
-                       c2l(in,tin1); tin[1]=tin1;
-                       RC2_decrypt(tin,ks);
-                       tout0=tin[0]^xor0;
-                       tout1=tin[1]^xor1;
-                       l2c(tout0,out);
-                       l2c(tout1,out);
-                       xor0=tin0;
-                       xor1=tin1;
-                       }
-               if (l != -8)
-                       {
-                       c2l(in,tin0); tin[0]=tin0;
-                       c2l(in,tin1); tin[1]=tin1;
-                       RC2_decrypt(tin,ks);
-                       tout0=tin[0]^xor0;
-                       tout1=tin[1]^xor1;
-                       l2cn(tout0,tout1,out,l+8);
-                       xor0=tin0;
-                       xor1=tin1;
-                       }
-               l2c(xor0,iv);
-               l2c(xor1,iv);
+                       c2l(in, tin0);
+                       tin[0] = tin0;
+                       c2l(in, tin1);
+                       tin[1] = tin1;
+                       RC2_decrypt(tin, ks);
+                       tout0 = tin[0] ^ xor0;
+                       tout1 = tin[1] ^ xor1;
+                       l2c(tout0, out);
+                       l2c(tout1, out);
+                       xor0 = tin0;
+                       xor1 = tin1;
                }
-       tin0=tin1=tout0=tout1=xor0=xor1=0;
-       tin[0]=tin[1]=0;
+               if (l != -8) {
+                       c2l(in, tin0);
+                       tin[0] = tin0;
+                       c2l(in, tin1);
+                       tin[1] = tin1;
+                       RC2_decrypt(tin, ks);
+                       tout0 = tin[0] ^ xor0;
+                       tout1 = tin[1] ^ xor1;
+                       l2cn(tout0, tout1, out, l + 8);
+                       xor0 = tin0;
+                       xor1 = tin1;
+               }
+               l2c(xor0, iv);
+               l2c(xor1, iv);
        }
-
-void RC2_encrypt(unsigned long *d, RC2_KEY *key)
-       {
-       int i,n;
-       RC2_INT *p0,*p1;
-       RC2_INT x0,x1,x2,x3,t;
+       tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
+       tin[0] = tin[1] = 0;
+}
+
+void
+RC2_encrypt(unsigned long *d, RC2_KEY *key)
+{
+       int i, n;
+       RC2_INT *p0, *p1;
+       RC2_INT x0, x1, x2, x3, t;
        unsigned long l;
 
-       l=d[0];
-       x0=(RC2_INT)l&0xffff;
-       x1=(RC2_INT)(l>>16L);
-       l=d[1];
-       x2=(RC2_INT)l&0xffff;
-       x3=(RC2_INT)(l>>16L);
-
-       n=3;
-       i=5;
-
-       p0=p1= &(key->data[0]);
-       for (;;)
-               {
-               t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff;
-               x0=(t<<1)|(t>>15);
-               t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff;
-               x1=(t<<2)|(t>>14);
-               t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff;
-               x2=(t<<3)|(t>>13);
-               t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff;
-               x3=(t<<5)|(t>>11);
-
-               if (--i == 0)
-                       {
-                       if (--n == 0) break;
-                       i=(n == 2)?6:5;
-
-                       x0+=p1[x3&0x3f];
-                       x1+=p1[x0&0x3f];
-                       x2+=p1[x1&0x3f];
-                       x3+=p1[x2&0x3f];
-                       }
+       l = d[0];
+       x0 = (RC2_INT)l & 0xffff;
+       x1 = (RC2_INT)(l >> 16L);
+       l = d[1];
+       x2 = (RC2_INT)l & 0xffff;
+       x3 = (RC2_INT)(l >> 16L);
+
+       n = 3;
+       i = 5;
+
+       p0 = p1 = &(key->data[0]);
+       for (;;) {
+               t = (x0 + (x1 & ~x3) + (x2 & x3) + *(p0++)) & 0xffff;
+               x0 = (t << 1)|(t >> 15);
+               t = (x1 + (x2 & ~x0) + (x3 & x0) + *(p0++)) & 0xffff;
+               x1 = (t << 2)|(t >> 14);
+               t = (x2 + (x3 & ~x1) + (x0 & x1) + *(p0++)) & 0xffff;
+               x2 = (t << 3)|(t >> 13);
+               t = (x3 + (x0 & ~x2) + (x1 & x2) + *(p0++)) & 0xffff;
+               x3 = (t << 5)|(t >> 11);
+
+               if (--i == 0) {
+                       if (--n == 0)
+                               break;
+                       i = (n == 2) ? 6 : 5;
+
+                       x0 += p1[x3 & 0x3f];
+                       x1 += p1[x0 & 0x3f];
+                       x2 += p1[x1 & 0x3f];
+                       x3 += p1[x2 & 0x3f];
                }
-
-       d[0]=(unsigned long)(x0&0xffff)|((unsigned long)(x1&0xffff)<<16L);
-       d[1]=(unsigned long)(x2&0xffff)|((unsigned long)(x3&0xffff)<<16L);
        }
 
-void RC2_decrypt(unsigned long *d, RC2_KEY *key)
-       {
-       int i,n;
-       RC2_INT *p0,*p1;
-       RC2_INT x0,x1,x2,x3,t;
+       d[0] = (unsigned long)(x0 & 0xffff)|((unsigned long)(x1 & 0xffff) <<
+           16L);
+       d[1] = (unsigned long)(x2 & 0xffff)|((unsigned long)(x3 & 0xffff) <<
+           16L);
+}
+
+void
+RC2_decrypt(unsigned long *d, RC2_KEY *key)
+{
+       int i, n;
+       RC2_INT *p0, *p1;
+       RC2_INT x0, x1, x2, x3, t;
        unsigned long l;
 
-       l=d[0];
-       x0=(RC2_INT)l&0xffff;
-       x1=(RC2_INT)(l>>16L);
-       l=d[1];
-       x2=(RC2_INT)l&0xffff;
-       x3=(RC2_INT)(l>>16L);
-
-       n=3;
-       i=5;
-
-       p0= &(key->data[63]);
-       p1= &(key->data[0]);
-       for (;;)
-               {
-               t=((x3<<11)|(x3>>5))&0xffff;
-               x3=(t-(x0& ~x2)-(x1&x2)- *(p0--))&0xffff;
-               t=((x2<<13)|(x2>>3))&0xffff;
-               x2=(t-(x3& ~x1)-(x0&x1)- *(p0--))&0xffff;
-               t=((x1<<14)|(x1>>2))&0xffff;
-               x1=(t-(x2& ~x0)-(x3&x0)- *(p0--))&0xffff;
-               t=((x0<<15)|(x0>>1))&0xffff;
-               x0=(t-(x1& ~x3)-(x2&x3)- *(p0--))&0xffff;
-
-               if (--i == 0)
-                       {
-                       if (--n == 0) break;
-                       i=(n == 2)?6:5;
-
-                       x3=(x3-p1[x2&0x3f])&0xffff;
-                       x2=(x2-p1[x1&0x3f])&0xffff;
-                       x1=(x1-p1[x0&0x3f])&0xffff;
-                       x0=(x0-p1[x3&0x3f])&0xffff;
-                       }
+       l = d[0];
+       x0 = (RC2_INT)l & 0xffff;
+       x1 = (RC2_INT)(l >> 16L);
+       l = d[1];
+       x2 = (RC2_INT)l & 0xffff;
+       x3 = (RC2_INT)(l >> 16L);
+
+       n = 3;
+       i = 5;
+
+       p0 = &(key->data[63]);
+       p1 = &(key->data[0]);
+       for (;;) {
+               t = ((x3 << 11)|(x3 >> 5)) & 0xffff;
+               x3 = (t - (x0 & ~x2) - (x1 & x2) - *(p0--)) & 0xffff;
+               t = ((x2 << 13)|(x2 >> 3)) & 0xffff;
+               x2 = (t - (x3 & ~x1) - (x0 & x1) - *(p0--)) & 0xffff;
+               t = ((x1 << 14)|(x1 >> 2)) & 0xffff;
+               x1 = (t - (x2 & ~x0) - (x3 & x0) - *(p0--)) & 0xffff;
+               t = ((x0 << 15)|(x0 >> 1)) & 0xffff;
+               x0 = (t - (x1 & ~x3) - (x2 & x3) - *(p0--)) & 0xffff;
+
+               if (--i == 0) {
+                       if (--n == 0)
+                               break;
+                       i = (n == 2) ? 6 : 5;
+
+                       x3 = (x3 - p1[x2 & 0x3f]) & 0xffff;
+                       x2 = (x2 - p1[x1 & 0x3f]) & 0xffff;
+                       x1 = (x1 - p1[x0 & 0x3f]) & 0xffff;
+                       x0 = (x0 - p1[x3 & 0x3f]) & 0xffff;
                }
-
-       d[0]=(unsigned long)(x0&0xffff)|((unsigned long)(x1&0xffff)<<16L);
-       d[1]=(unsigned long)(x2&0xffff)|((unsigned long)(x3&0xffff)<<16L);
        }
 
+       d[0] = (unsigned long)(x0 & 0xffff)|((unsigned long)(x1 & 0xffff) <<
+           16L);
+       d[1] = (unsigned long)(x2 & 0xffff)|((unsigned long)(x3 & 0xffff) <<
+           16L);
+}
index 84a671a..c87cd99 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2_ecb.c,v 1.7 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2_ecb.c,v 1.8 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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
  * Date: 11 Feb 1996 06:45:03 GMT
  */
 
-void RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks,
-                    int encrypt)
-       {
-       unsigned long l,d[2];
+void
+RC2_ecb_encrypt(const unsigned char *in, unsigned char *out, RC2_KEY *ks,
+    int encrypt)
+{
+       unsigned long l, d[2];
 
-       c2l(in,l); d[0]=l;
-       c2l(in,l); d[1]=l;
+       c2l(in, l);
+       d[0] = l;
+       c2l(in, l);
+       d[1] = l;
        if (encrypt)
-               RC2_encrypt(d,ks);
+               RC2_encrypt(d, ks);
        else
-               RC2_decrypt(d,ks);
-       l=d[0]; l2c(l,out);
-       l=d[1]; l2c(l,out);
-       l=d[0]=d[1]=0;
-       }
-
+               RC2_decrypt(d, ks);
+       l = d[0];
+       l2c(l, out);
+       l = d[1];
+       l2c(l, out);
+       l = d[0] = d[1] = 0;
+}
index c8bb468..64c9c53 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2_local.h,v 1.1 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2_local.h,v 1.2 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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
  */
 
 #undef c2l
-#define c2l(c,l)       (l =((unsigned long)(*((c)++)))    , \
-                        l|=((unsigned long)(*((c)++)))<< 8L, \
-                        l|=((unsigned long)(*((c)++)))<<16L, \
+#define c2l(c,l)       (l =((unsigned long)(*((c)++)))    ,            \
+                        l|=((unsigned long)(*((c)++)))<< 8L,           \
+                        l|=((unsigned long)(*((c)++)))<<16L,           \
                         l|=((unsigned long)(*((c)++)))<<24L)
 
 /* NOTE - c is not incremented as per c2l */
 #undef c2ln
-#define c2ln(c,l1,l2,n)        { \
-                       c+=n; \
-                       l1=l2=0; \
-                       switch (n) { \
-                       case 8: l2 =((unsigned long)(*(--(c))))<<24L; \
-                       case 7: l2|=((unsigned long)(*(--(c))))<<16L; \
-                       case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \
-                       case 5: l2|=((unsigned long)(*(--(c))));     \
-                       case 4: l1 =((unsigned long)(*(--(c))))<<24L; \
-                       case 3: l1|=((unsigned long)(*(--(c))))<<16L; \
-                       case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \
-                       case 1: l1|=((unsigned long)(*(--(c))));     \
-                               } \
+#define c2ln(c,l1,l2,n)        {                                               \
+                       c+=n;                                           \
+                       l1=l2=0;                                        \
+                       switch (n) {                                    \
+                       case 8: l2 =((unsigned long)(*(--(c))))<<24L;   \
+                       case 7: l2|=((unsigned long)(*(--(c))))<<16L;   \
+                       case 6: l2|=((unsigned long)(*(--(c))))<< 8L;   \
+                       case 5: l2|=((unsigned long)(*(--(c))));        \
+                       case 4: l1 =((unsigned long)(*(--(c))))<<24L;   \
+                       case 3: l1|=((unsigned long)(*(--(c))))<<16L;   \
+                       case 2: l1|=((unsigned long)(*(--(c))))<< 8L;   \
+                       case 1: l1|=((unsigned long)(*(--(c))));        \
+                               }                                       \
                        }
 
 #undef l2c
-#define l2c(l,c)       (*((c)++)=(unsigned char)(((l)     )&0xff), \
-                        *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
-                        *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
+#define l2c(l,c)       (*((c)++)=(unsigned char)(((l)     )&0xff),     \
+                        *((c)++)=(unsigned char)(((l)>> 8L)&0xff),     \
+                        *((c)++)=(unsigned char)(((l)>>16L)&0xff),     \
                         *((c)++)=(unsigned char)(((l)>>24L)&0xff))
 
 /* NOTE - c is not incremented as per l2c */
 #undef l2cn
-#define l2cn(l1,l2,c,n)        { \
-                       c+=n; \
-                       switch (n) { \
-                       case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \
-                       case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \
-                       case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \
-                       case 5: *(--(c))=(unsigned char)(((l2)     )&0xff); \
-                       case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \
-                       case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \
-                       case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \
-                       case 1: *(--(c))=(unsigned char)(((l1)     )&0xff); \
-                               } \
+#define l2cn(l1,l2,c,n)        {                                               \
+                       c+=n;                                           \
+                       switch (n) {                                    \
+                       case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff);\
+                       case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff);\
+                       case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff);\
+                       case 5: *(--(c))=(unsigned char)(((l2)     )&0xff);\
+                       case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff);\
+                       case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff);\
+                       case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff);\
+                       case 1: *(--(c))=(unsigned char)(((l1)     )&0xff);\
+                               }                                       \
                        }
 
 /* NOTE - c is not incremented as per n2l */
-#define n2ln(c,l1,l2,n)        { \
-                       c+=n; \
-                       l1=l2=0; \
-                       switch (n) { \
-                       case 8: l2 =((unsigned long)(*(--(c))))    ; \
-                       case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
-                       case 6: l2|=((unsigned long)(*(--(c))))<<16; \
-                       case 5: l2|=((unsigned long)(*(--(c))))<<24; \
-                       case 4: l1 =((unsigned long)(*(--(c))))    ; \
-                       case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
-                       case 2: l1|=((unsigned long)(*(--(c))))<<16; \
-                       case 1: l1|=((unsigned long)(*(--(c))))<<24; \
-                               } \
+#define n2ln(c,l1,l2,n)        {                                               \
+                       c+=n;                                           \
+                       l1=l2=0;                                        \
+                       switch (n) {                                    \
+                       case 8: l2 =((unsigned long)(*(--(c))))    ;    \
+                       case 7: l2|=((unsigned long)(*(--(c))))<< 8;    \
+                       case 6: l2|=((unsigned long)(*(--(c))))<<16;    \
+                       case 5: l2|=((unsigned long)(*(--(c))))<<24;    \
+                       case 4: l1 =((unsigned long)(*(--(c))))    ;    \
+                       case 3: l1|=((unsigned long)(*(--(c))))<< 8;    \
+                       case 2: l1|=((unsigned long)(*(--(c))))<<16;    \
+                       case 1: l1|=((unsigned long)(*(--(c))))<<24;    \
+                               }                                       \
                        }
 
 /* NOTE - c is not incremented as per l2n */
-#define l2nn(l1,l2,c,n)        { \
-                       c+=n; \
-                       switch (n) { \
-                       case 8: *(--(c))=(unsigned char)(((l2)    )&0xff); \
-                       case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
-                       case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
-                       case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
-                       case 4: *(--(c))=(unsigned char)(((l1)    )&0xff); \
-                       case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
-                       case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
-                       case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
-                               } \
+#define l2nn(l1,l2,c,n)        {                                               \
+                       c+=n;                                           \
+                       switch (n) {                                    \
+                       case 8: *(--(c))=(unsigned char)(((l2)    )&0xff);\
+                       case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff);\
+                       case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff);\
+                       case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff);\
+                       case 4: *(--(c))=(unsigned char)(((l1)    )&0xff);\
+                       case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff);\
+                       case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff);\
+                       case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff);\
+                               }                                       \
                        }
 
 #undef n2l
-#define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24L, \
-                         l|=((unsigned long)(*((c)++)))<<16L, \
-                         l|=((unsigned long)(*((c)++)))<< 8L, \
+#define n2l(c,l)        (l =((unsigned long)(*((c)++)))<<24L,          \
+                         l|=((unsigned long)(*((c)++)))<<16L,          \
+                         l|=((unsigned long)(*((c)++)))<< 8L,          \
                          l|=((unsigned long)(*((c)++))))
 
 #undef l2n
-#define l2n(l,c)        (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
-                         *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
-                         *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
+#define l2n(l,c)        (*((c)++)=(unsigned char)(((l)>>24L)&0xff),    \
+                         *((c)++)=(unsigned char)(((l)>>16L)&0xff),    \
+                         *((c)++)=(unsigned char)(((l)>> 8L)&0xff),    \
                          *((c)++)=(unsigned char)(((l)     )&0xff))
 
-#define C_RC2(n) \
-       t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \
-       x0=(t<<1)|(t>>15); \
-       t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \
-       x1=(t<<2)|(t>>14); \
-       t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \
-       x2=(t<<3)|(t>>13); \
-       t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \
+#define C_RC2(n)                                                       \
+       t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff;                       \
+       x0=(t<<1)|(t>>15);                                              \
+       t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff;                       \
+       x1=(t<<2)|(t>>14);                                              \
+       t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff;                       \
+       x2=(t<<3)|(t>>13);                                              \
+       t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff;                       \
        x3=(t<<5)|(t>>11);
-
index 82161b1..640ff7a 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2_skey.c,v 1.13 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2_skey.c,v 1.14 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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
@@ -91,48 +91,51 @@ static const unsigned char key_table[256]={
  * BSAFE uses the 'retarded' version.  What I previously shipped is
  * the same as specifying 1024 for the 'bits' parameter.  Bsafe uses
  * a version where the bits parameter is the same as len*8 */
-void RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits)
-       {
-       int i,j;
+void
+RC2_set_key(RC2_KEY *key, int len, const unsigned char *data, int bits)
+{
+       int i, j;
        unsigned char *k;
        RC2_INT *ki;
-       unsigned int c,d;
+       unsigned int c, d;
 
-       k= (unsigned char *)&(key->data[0]);
-       *k=0; /* for if there is a zero length key */
+       k = (unsigned char *)&(key->data[0]);
+       *k = 0; /* for if there is a zero length key */
 
-       if (len > 128) len=128;
-       if (bits <= 0) bits=1024;
-       if (bits > 1024) bits=1024;
+       if (len > 128)
+               len = 128;
+       if (bits <= 0)
+               bits = 1024;
+       if (bits > 1024)
+               bits = 1024;
 
-       for (i=0; i<len; i++)
-               k[i]=data[i];
+       for (i = 0; i < len; i++)
+               k[i] = data[i];
 
        /* expand table */
-       d=k[len-1];
-       j=0;
-       for (i=len; i < 128; i++,j++)
-               {
-               d=key_table[(k[j]+d)&0xff];
-               k[i]=d;
-               }
+       d = k[len - 1];
+       j = 0;
+       for (i = len; i < 128; i++, j++)
+       {
+               d = key_table[(k[j] + d) & 0xff];
+               k[i] = d;
+       }
 
        /* hmm.... key reduction to 'bits' bits */
 
-       j=(bits+7)>>3;
-       i=128-j;
-       c= (0xff>>(-bits & 0x07));
+       j = (bits + 7) >> 3;
+       i = 128 - j;
+       c = (0xff >> (-bits & 0x07));
 
-       d=key_table[k[i]&c];
-       k[i]=d;
-       while (i--)
-               {
-               d=key_table[k[i+j]^d];
-               k[i]=d;
-               }
+       d = key_table[k[i] & c];
+       k[i] = d;
+       while (i--) {
+               d = key_table[k[i + j] ^ d];
+               k[i] = d;
+       }
 
        /* copy from bytes into RC2_INT's */
-       ki= &(key->data[63]);
-       for (i=127; i>=0; i-=2)
-               *(ki--)=((k[i]<<8)|k[i-1])&0xffff;
-       }
+       ki = &(key->data[63]);
+       for (i = 127; i >= 0; i -= 2)
+               *(ki--) = ((k[i] << 8)|k[i - 1]) & 0xffff;
+}
index ebdeb9b..e320f5e 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2cfb64.c,v 1.6 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2cfb64.c,v 1.7 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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
  * 64bit block we have used is contained in *num;
  */
 
-void RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
-                      long length, RC2_KEY *schedule, unsigned char *ivec,
-                      int *num, int encrypt)
-       {
-       unsigned long v0,v1,t;
-       int n= *num;
-       long l=length;
+void
+RC2_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+    long length, RC2_KEY *schedule, unsigned char *ivec,
+    int *num, int encrypt)
+{
+       unsigned long v0, v1, t;
+       int n = *num;
+       long l = length;
        unsigned long ti[2];
-       unsigned char *iv,c,cc;
+       unsigned char *iv, c, cc;
 
-       iv=(unsigned char *)ivec;
-       if (encrypt)
-               {
-               while (l--)
-                       {
-                       if (n == 0)
-                               {
-                               c2l(iv,v0); ti[0]=v0;
-                               c2l(iv,v1); ti[1]=v1;
-                               RC2_encrypt((unsigned long *)ti,schedule);
-                               iv=(unsigned char *)ivec;
-                               t=ti[0]; l2c(t,iv);
-                               t=ti[1]; l2c(t,iv);
-                               iv=(unsigned char *)ivec;
-                               }
-                       c= *(in++)^iv[n];
-                       *(out++)=c;
-                       iv[n]=c;
-                       n=(n+1)&0x07;
+       iv = (unsigned char *)ivec;
+       if (encrypt) {
+               while (l--) {
+                       if (n == 0) {
+                               c2l(iv, v0);
+                               ti[0] = v0;
+                               c2l(iv, v1);
+                               ti[1] = v1;
+                               RC2_encrypt((unsigned long *)ti, schedule);
+                               iv = (unsigned char *)ivec;
+                               t = ti[0];
+                               l2c(t, iv);
+                               t = ti[1];
+                               l2c(t, iv);
+                               iv = (unsigned char *)ivec;
                        }
+                       c = *(in++) ^ iv[n];
+                       *(out++) = c;
+                       iv[n] = c;
+                       n = (n + 1) & 0x07;
                }
-       else
-               {
-               while (l--)
-                       {
-                       if (n == 0)
-                               {
-                               c2l(iv,v0); ti[0]=v0;
-                               c2l(iv,v1); ti[1]=v1;
-                               RC2_encrypt((unsigned long *)ti,schedule);
-                               iv=(unsigned char *)ivec;
-                               t=ti[0]; l2c(t,iv);
-                               t=ti[1]; l2c(t,iv);
-                               iv=(unsigned char *)ivec;
-                               }
-                       cc= *(in++);
-                       c=iv[n];
-                       iv[n]=cc;
-                       *(out++)=c^cc;
-                       n=(n+1)&0x07;
+       } else {
+               while (l--) {
+                       if (n == 0) {
+                               c2l(iv, v0);
+                               ti[0] = v0;
+                               c2l(iv, v1);
+                               ti[1] = v1;
+                               RC2_encrypt((unsigned long *)ti, schedule);
+                               iv = (unsigned char *)ivec;
+                               t = ti[0];
+                               l2c(t, iv);
+                               t = ti[1];
+                               l2c(t, iv);
+                               iv = (unsigned char *)ivec;
                        }
+                       cc = *(in++);
+                       c = iv[n];
+                       iv[n] = cc;
+                       *(out++) = c ^ cc;
+                       n = (n + 1) & 0x07;
                }
-       v0=v1=ti[0]=ti[1]=t=c=cc=0;
-       *num=n;
        }
-
+       v0 = v1 = ti[0] = ti[1] = t = c = cc = 0;
+       *num = n;
+}
index 2aa2413..f7cbce6 100644 (file)
@@ -1,25 +1,25 @@
-/* $OpenBSD: rc2ofb64.c,v 1.6 2022/11/26 16:08:54 tb Exp $ */
+/* $OpenBSD: rc2ofb64.c,v 1.7 2023/07/07 08:29:37 beck Exp $ */
 /* 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
@@ -49,7 +49,7 @@
  * 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
  * used.  The extra state information to record how much of the
  * 64bit block we have used is contained in *num;
  */
-void RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
-                      long length, RC2_KEY *schedule, unsigned char *ivec,
-                      int *num)
-       {
-       unsigned long v0,v1,t;
-       int n= *num;
-       long l=length;
+void
+RC2_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+    long length, RC2_KEY *schedule, unsigned char *ivec,
+    int *num)
+{
+       unsigned long v0, v1, t;
+       int n = *num;
+       long l = length;
        unsigned char d[8];
        char *dp;
        unsigned long ti[2];
        unsigned char *iv;
-       int save=0;
+       int save = 0;
 
-       iv=(unsigned char *)ivec;
-       c2l(iv,v0);
-       c2l(iv,v1);
-       ti[0]=v0;
-       ti[1]=v1;
-       dp=(char *)d;
-       l2c(v0,dp);
-       l2c(v1,dp);
-       while (l--)
-               {
-               if (n == 0)
-                       {
-                       RC2_encrypt((unsigned long *)ti,schedule);
-                       dp=(char *)d;
-                       t=ti[0]; l2c(t,dp);
-                       t=ti[1]; l2c(t,dp);
+       iv = (unsigned char *)ivec;
+       c2l(iv, v0);
+       c2l(iv, v1);
+       ti[0] = v0;
+       ti[1] = v1;
+       dp = (char *)d;
+       l2c(v0, dp);
+       l2c(v1, dp);
+       while (l--) {
+               if (n == 0) {
+                       RC2_encrypt((unsigned long *)ti, schedule);
+                       dp = (char *)d;
+                       t = ti[0];
+                       l2c(t, dp);
+                       t = ti[1];
+                       l2c(t, dp);
                        save++;
-                       }
-               *(out++)= *(in++)^d[n];
-               n=(n+1)&0x07;
-               }
-       if (save)
-               {
-               v0=ti[0];
-               v1=ti[1];
-               iv=(unsigned char *)ivec;
-               l2c(v0,iv);
-               l2c(v1,iv);
                }
-       t=v0=v1=ti[0]=ti[1]=0;
-       *num=n;
+               *(out++) = *(in++) ^ d[n];
+               n = (n + 1) & 0x07;
        }
-
+       if (save) {
+               v0 = ti[0];
+               v1 = ti[1];
+               iv = (unsigned char *)ivec;
+               l2c(v0, iv);
+               l2c(v1, iv);
+       }
+       t = v0 = v1 = ti[0] = ti[1] = 0;
+       *num = n;
+}