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-rw-r--r--com32/elflink/modules/base64.h51
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+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2005-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall
+ * be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * base64.h
+ *
+ * Simple routines for handing base64 text
+ */
+
+#ifndef LIBUTIL_BASE64_H
+#define LIBUTIL_BASE64_H
+
+#include <stddef.h>
+
+#define BASE64_PAD 0x10000
+
+/* There is plenty of disagreement w.r.t. the last few characters... */
+#define BASE64_MIME ('+' + ('/' << 8))
+#define BASE64_SAFE ('-' + ('_' << 8))
+#define BASE64_CRYPT ('.' + ('/' << 8))
+#define BASE64_URL ('*' + ('-' << 8)) /* Haven't seen myself */
+#define BASE64_REGEX ('|' + ('-' << 8)) /* Ditto... */
+
+size_t genbase64(char *output, const void *digest, size_t size, int flags);
+size_t unbase64(unsigned char *, size_t, const char *);
+
+#endif