From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 openssl-1.1.0h/crypto/des/fcrypt_b.c | 72 ++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 openssl-1.1.0h/crypto/des/fcrypt_b.c

(limited to 'openssl-1.1.0h/crypto/des/fcrypt_b.c')

diff --git a/openssl-1.1.0h/crypto/des/fcrypt_b.c b/openssl-1.1.0h/crypto/des/fcrypt_b.c
new file mode 100644
index 0000000..fe2369a
--- /dev/null
+++ b/openssl-1.1.0h/crypto/des/fcrypt_b.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+
+#define DES_FCRYPT
+#include "des_locl.h"
+#undef DES_FCRYPT
+
+#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)
+{
+    register DES_LONG l, r, t, u;
+    register DES_LONG *s;
+    register int j;
+    register DES_LONG E0, E1;
+
+    l = 0;
+    r = 0;
+
+    s = (DES_LONG *)ks;
+    E0 = Eswap0;
+    E1 = Eswap1;
+
+    for (j = 0; j < 25; j++) {
+        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 */
+        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;
+}
-- 
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