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tasks/libposix/include/posix/crypt.h

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+/*
+ * crypt(3) implementation for uClibc
+ *
+ * The uClibc Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * The GNU C 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the GNU C Library; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA.
+ *
+ */
+
+#ifndef _CRYPT_H
+#define _CRYPT_H	1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* 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);
+
+__END_DECLS
+
+#endif	/* crypt.h */