diff --git a/ap/build/uClibc/libcrypt/crypt.c b/ap/build/uClibc/libcrypt/crypt.c
new file mode 100644
index 0000000..e5274a5
--- /dev/null
+++ b/ap/build/uClibc/libcrypt/crypt.c
@@ -0,0 +1,31 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * crypt() for uClibc
+ * Copyright (C) 2000-2006 by Erik Andersen <andersen@uclibc.org>
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define __FORCE_GLIBC
+#include <unistd.h>
+#include <crypt.h>
+#include "libcrypt.h"
+
+char *crypt(const char *key, const char *salt)
+{
+	const unsigned char *ukey = (const unsigned char *)key;
+	const unsigned char *usalt = (const unsigned char *)salt;
+
+	if (salt[0] == '$' && salt[2] == '$') {
+		if (*++salt == '1')
+			return __md5_crypt(ukey, usalt);
+#ifdef __UCLIBC_HAS_SHA256_CRYPT_IMPL__
+		else if (*salt == '5')
+			return __sha256_crypt(ukey, usalt);
+#endif
+#ifdef __UCLIBC_HAS_SHA512_CRYPT_IMPL__
+		else if (*salt == '6')
+			return __sha512_crypt(ukey, usalt);
+#endif
+	}
+	return __des_crypt(ukey, usalt);
+}