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authorDan McGee <dan@archlinux.org>2009-09-06 19:32:56 -0500
committerDan McGee <dan@archlinux.org>2011-03-23 02:22:00 -0500
commit9f2a3023f8088800efd3a0abeb32ed5117be4442 (patch)
tree37b73fc9b287287c000abf1469e4ca2fc4eaaac1 /lib/libalpm/base64.h
parent09085331277304e417649e8338795ca36a0d1f91 (diff)
downloadpacman-9f2a3023f8088800efd3a0abeb32ed5117be4442.tar.xz
Add base64 algorithms from PolarSSL to libalpm
We will need these for GPG functionality (decoding the base64 encoded signature stored in the databases). Signed-off-by: Dan McGee <dan@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm/base64.h')
-rw-r--r--lib/libalpm/base64.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/libalpm/base64.h b/lib/libalpm/base64.h
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+/**
+ * \file base64.h
+ *
+ * Copyright (C) 2006-2010, Brainspark B.V.
+ *
+ * This file is part of PolarSSL (http://www.polarssl.org)
+ * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _BASE64_H
+#define _BASE64_H
+
+#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL 0x0010
+#define POLARSSL_ERR_BASE64_INVALID_CHARACTER 0x0012
+
+/**
+ * \brief Encode a buffer into base64 format
+ *
+ * \param dst destination buffer
+ * \param dlen size of the buffer
+ * \param src source buffer
+ * \param slen amount of data to be encoded
+ *
+ * \return 0 if successful, or POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL.
+ * *dlen is always updated to reflect the amount
+ * of data that has (or would have) been written.
+ *
+ * \note Call this function with *dlen = 0 to obtain the
+ * required buffer size in *dlen
+ */
+int base64_encode( unsigned char *dst, int *dlen,
+ const unsigned char *src, int slen );
+
+/**
+ * \brief Decode a base64-formatted buffer
+ *
+ * \param dst destination buffer
+ * \param dlen size of the buffer
+ * \param src source buffer
+ * \param slen amount of data to be decoded
+ *
+ * \return 0 if successful, POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL, or
+ * POLARSSL_ERR_BASE64_INVALID_DATA if the input data is not
+ * correct. *dlen is always updated to reflect the amount
+ * of data that has (or would have) been written.
+ *
+ * \note Call this function with *dlen = 0 to obtain the
+ * required buffer size in *dlen
+ */
+int base64_decode( unsigned char *dst, int *dlen,
+ const unsigned char *src, int slen );
+
+#endif /* base64.h */