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-rw-r--r--crypto/des/fcrypt_b.c123
1 files changed, 60 insertions, 63 deletions
diff --git a/crypto/des/fcrypt_b.c b/crypto/des/fcrypt_b.c
index 8822816938dd..b9e87383d2fe 100644
--- a/crypto/des/fcrypt_b.c
+++ b/crypto/des/fcrypt_b.c
@@ -5,21 +5,21 @@
* 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:
@@ -34,10 +34,10 @@
* 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
@@ -58,9 +58,9 @@
#include <stdio.h>
-/* This version of crypt has been developed from my MIT compatible
- * DES library.
- * The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
+/*
+ * This version of crypt has been developed from my MIT compatible DES
+ * library. The library is available at pub/Crypto/DES at ftp.psy.uq.oz.au
* Eric Young (eay@cryptsoft.com)
*/
@@ -70,74 +70,71 @@
#undef PERM_OP
#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\
- (b)^=(t),\
- (a)^=((t)<<(n)))
+ (b)^=(t),\
+ (a)^=((t)<<(n)))
#undef HPERM_OP
#define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\
- (a)=(a)^(t)^(t>>(16-(n))))\
+ (a)=(a)^(t)^(t>>(16-(n))))\
void fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
- DES_LONG Eswap1)
- {
- register DES_LONG l,r,t,u;
+ DES_LONG Eswap1)
+{
+ register DES_LONG l, r, t, u;
#ifdef DES_PTR
- register const unsigned char *des_SP=(const unsigned char *)DES_SPtrans;
+ register const unsigned char *des_SP = (const unsigned char *)DES_SPtrans;
#endif
- register DES_LONG *s;
- register int j;
- register DES_LONG E0,E1;
+ register DES_LONG *s;
+ register int j;
+ register DES_LONG E0, E1;
- l=0;
- r=0;
+ l = 0;
+ r = 0;
- s=(DES_LONG *)ks;
- E0=Eswap0;
- E1=Eswap1;
+ s = (DES_LONG *)ks;
+ E0 = Eswap0;
+ E1 = Eswap1;
- for (j=0; j<25; j++)
- {
+ for (j = 0; j < 25; j++) {
#ifndef DES_UNROLL
- register int i;
+ register int i;
- for (i=0; i<32; i+=4)
- {
- D_ENCRYPT(l,r,i+0); /* 1 */
- D_ENCRYPT(r,l,i+2); /* 2 */
- }
+ for (i = 0; i < 32; i += 4) {
+ D_ENCRYPT(l, r, i + 0); /* 1 */
+ D_ENCRYPT(r, l, i + 2); /* 2 */
+ }
#else
- D_ENCRYPT(l,r, 0); /* 1 */
- D_ENCRYPT(r,l, 2); /* 2 */
- D_ENCRYPT(l,r, 4); /* 3 */
- D_ENCRYPT(r,l, 6); /* 4 */
- D_ENCRYPT(l,r, 8); /* 5 */
- D_ENCRYPT(r,l,10); /* 6 */
- D_ENCRYPT(l,r,12); /* 7 */
- D_ENCRYPT(r,l,14); /* 8 */
- D_ENCRYPT(l,r,16); /* 9 */
- D_ENCRYPT(r,l,18); /* 10 */
- D_ENCRYPT(l,r,20); /* 11 */
- D_ENCRYPT(r,l,22); /* 12 */
- D_ENCRYPT(l,r,24); /* 13 */
- D_ENCRYPT(r,l,26); /* 14 */
- D_ENCRYPT(l,r,28); /* 15 */
- D_ENCRYPT(r,l,30); /* 16 */
+ D_ENCRYPT(l, r, 0); /* 1 */
+ D_ENCRYPT(r, l, 2); /* 2 */
+ D_ENCRYPT(l, r, 4); /* 3 */
+ D_ENCRYPT(r, l, 6); /* 4 */
+ D_ENCRYPT(l, r, 8); /* 5 */
+ D_ENCRYPT(r, l, 10); /* 6 */
+ D_ENCRYPT(l, r, 12); /* 7 */
+ D_ENCRYPT(r, l, 14); /* 8 */
+ D_ENCRYPT(l, r, 16); /* 9 */
+ D_ENCRYPT(r, l, 18); /* 10 */
+ D_ENCRYPT(l, r, 20); /* 11 */
+ D_ENCRYPT(r, l, 22); /* 12 */
+ D_ENCRYPT(l, r, 24); /* 13 */
+ D_ENCRYPT(r, l, 26); /* 14 */
+ D_ENCRYPT(l, r, 28); /* 15 */
+ D_ENCRYPT(r, l, 30); /* 16 */
#endif
- t=l;
- l=r;
- r=t;
- }
- l=ROTATE(l,3)&0xffffffffL;
- r=ROTATE(r,3)&0xffffffffL;
-
- PERM_OP(l,r,t, 1,0x55555555L);
- PERM_OP(r,l,t, 8,0x00ff00ffL);
- PERM_OP(l,r,t, 2,0x33333333L);
- PERM_OP(r,l,t,16,0x0000ffffL);
- PERM_OP(l,r,t, 4,0x0f0f0f0fL);
+ t = l;
+ l = r;
+ r = t;
+ }
+ l = ROTATE(l, 3) & 0xffffffffL;
+ r = ROTATE(r, 3) & 0xffffffffL;
- out[0]=r;
- out[1]=l;
- }
+ PERM_OP(l, r, t, 1, 0x55555555L);
+ PERM_OP(r, l, t, 8, 0x00ff00ffL);
+ PERM_OP(l, r, t, 2, 0x33333333L);
+ PERM_OP(r, l, t, 16, 0x0000ffffL);
+ PERM_OP(l, r, t, 4, 0x0f0f0f0fL);
+ out[0] = r;
+ out[1] = l;
+}