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Diffstat (limited to 'openssl-1.1.0h/crypto/des/fcrypt_b.c')
-rw-r--r--openssl-1.1.0h/crypto/des/fcrypt_b.c72
1 files changed, 72 insertions, 0 deletions
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;
+}