1 files changed, 74 insertions, 0 deletions
diff --git a/include/crypt.h b/include/crypt.h
new file mode 100644
index 000000000..c589e80d1
--- /dev/null
+++ b/include/crypt.h
@@ -0,0 +1,74 @@
+/*
+ * UFC-crypt: ultra fast crypt(3) implementation
+ *
+ * Copyright (C) 1991, 92, 93, 96, 97, 98, 2000 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with the GNU C Library; see the file COPYING.LIB.  If not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * @(#)crypt.h	1.5 12/20/96
+ *
+ */
+
+#ifndef _CRYPT_H
+#define _CRYPT_H	1
+
+#include <features.h>
+
+/* Encrypt characters from KEY using salt to perturb the encryption method.
+ * If salt begins with "$1$", md5 hashing is used instead of DES. */
+extern char *crypt (const char *__key, const char *__salt);
+
+/* Setup DES tables according KEY.  */
+extern void setkey (const char *__key);
+
+/* Encrypt data in BLOCK in place if EDFLAG is zero; otherwise decrypt
+   block in place.  */
+extern void encrypt (char *__block, int __edflag);
+
+
+/* Reentrant versions of the functions above.  The additional argument
+   points to a structure where the results are placed in.  */
+struct crypt_data
+{
+    /* The C and D arrays used to calculate the key schedule. */
+    char C[28];
+    char D[28];
+    /* The key schedule. Generated from the key. */
+    char KS[16][48];
+    /* The E bit-selection table. */
+    char E[48];
+    /* The current block, divided into 2 halves. */
+    char L[32], R[32];
+    char tempL[32];
+    char f[32];
+    /* The combination of the key and the input, before selection. */
+    char preS[48];
+    char block[66];
+    char iobuf[16];
+    /* Some stuff used by the md5 routines */
+    char *p;
+    const char *sp,*ep;
+};
+
+extern char *crypt_r (const char *__key, const char *__salt,
+		      struct crypt_data * __data);
+
+extern void setkey_r (const char *__key,
+		      struct crypt_data * __data);
+
+extern void encrypt_r (char *__block, int __edflag,
+		       struct crypt_data * __data);
+#endif	/* crypt.h */