1 files changed, 135 insertions, 1 deletions

diff --git a/src/lib/libcrypto/des/fcrypt.c b/src/lib/libcrypto/des/fcrypt.c
index 5bdf09b7e6..c970ef4c55 100644
--- a/src/lib/libcrypto/des/fcrypt.c
+++ b/src/lib/libcrypto/des/fcrypt.c
@@ -1,4 +1,60 @@
-/* $OpenBSD: fcrypt.c,v 1.16 2024/03/29 01:47:29 joshua Exp $ */
+/* $OpenBSD: fcrypt.c,v 1.17 2024/08/31 15:39:33 jsing 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:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     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
+ *    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
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * [including the GNU Public Licence.]
+ */
 
 #include <stdio.h>
 
@@ -15,7 +71,85 @@
  * defined 24.
  */
 
+#define DES_FCRYPT
 #include "des_local.h"
+#undef DES_FCRYPT
+
+#ifndef OPENBSD_DES_ASM
+
+#undef PERM_OP
+#define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),                 \
+        (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))))                                      \
+
+void
+fcrypt_body(DES_LONG *out, DES_key_schedule *ks, DES_LONG Eswap0,
+    DES_LONG Eswap1)
+{
+        DES_LONG l, r, t, u;
+#ifdef DES_PTR
+        const unsigned char *des_SP = (const unsigned char *)DES_SPtrans;
+#endif
+        DES_LONG *s;
+        int j;
+        DES_LONG E0, E1;
+
+        l = 0;
+        r = 0;
+
+        s = (DES_LONG *)ks;
+        E0 = Eswap0;
+        E1 = Eswap1;
+
+        for (j = 0; j < 25; j++) {
+#ifndef DES_UNROLL
+                int i;
+
+                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 */
+#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);
+
+        out[0] = r;
+        out[1] = l;
+}
+
+#endif /* OPENBSD_DES_ASM */
 
 /* Added more values to handle illegal salt values the way normal
  * crypt() implementations do.  The patch was sent by