From 446632197c7f093ed6d0f4d48dcb03e6254828fe Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 13 Nov 2014 15:13:24 +0100
Subject: Add crypt_r(), etc.

Add crypt_add_format(), crypt_r(), crypt_md5_r(), crypt_sha256_r() and
crypt_sha512_r().
---
 cpukit/libcrypt/misc.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 cpukit/libcrypt/misc.c

(limited to 'cpukit/libcrypt/misc.c')

diff --git a/cpukit/libcrypt/misc.c b/cpukit/libcrypt/misc.c
new file mode 100644
index 0000000000..9f2c13e8c7
--- /dev/null
+++ b/cpukit/libcrypt/misc.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 1999
+ *      University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY CONTRIBUTORS ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+
+#include <crypt.h>
+
+static const char itoa64[] =		/* 0 ... 63 => ascii - 64 */
+	"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+
+void
+_crypt_to64(char *s, u_long v, int n)
+{
+	while (--n >= 0) {
+		*s++ = itoa64[v&0x3f];
+		v >>= 6;
+	}
+}
+
+void
+b64_from_24bit(uint8_t B2, uint8_t B1, uint8_t B0, int n, int *buflen, char **cp)
+{
+	uint32_t w;
+	int i;
+
+	w = (B2 << 16) | (B1 << 8) | B0;
+	for (i = 0; i < n; i++) {
+		**cp = itoa64[w&0x3f];
+		(*cp)++;
+		if ((*buflen)-- < 0)
+			break;
+		w >>= 6;
+	}
+}
-- 
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