diff options
Diffstat (limited to 'plugins/MirOTR/libotr-3.2.0/src/b64.h')
-rw-r--r-- | plugins/MirOTR/libotr-3.2.0/src/b64.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/plugins/MirOTR/libotr-3.2.0/src/b64.h b/plugins/MirOTR/libotr-3.2.0/src/b64.h new file mode 100644 index 0000000000..34ef03f416 --- /dev/null +++ b/plugins/MirOTR/libotr-3.2.0/src/b64.h @@ -0,0 +1,57 @@ +/* + * Off-the-Record Messaging library + * Copyright (C) 2004-2008 Ian Goldberg, Chris Alexander, Nikita Borisov + * <otr@cypherpunks.ca> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of version 2.1 of the GNU Lesser General + * Public License as published by the Free Software Foundation. + * + * This 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 this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __B64_H__ +#define __B64_H__ + +/* + * base64 encode data. Insert no linebreaks or whitespace. + * + * The buffer base64data must contain at least ((datalen+2)/3)*4 bytes of + * space. This function will return the number of bytes actually used. + */ +size_t otrl_base64_encode(char *base64data, const unsigned char *data, + size_t datalen); + +/* + * base64 decode data. Skip non-base64 chars, and terminate at the + * first '=', or the end of the buffer. + * + * The buffer data must contain at least (base64len / 4) * 3 bytes of + * space. This function will return the number of bytes actually used. + */ +size_t otrl_base64_decode(unsigned char *data, const char *base64data, + size_t base64len); + +/* + * Base64-encode a block of data, stick "?OTR:" and "." around it, and + * return the result, or NULL in the event of a memory error. + */ +char *otrl_base64_otr_encode(const unsigned char *buf, size_t buflen); + +/* + * Base64-decode the portion of the given message between "?OTR:" and + * ".". Set *bufp to the decoded data, and set *lenp to its length. + * The caller must free() the result. Return 0 on success, -1 on a + * memory error, or -2 on invalid input. + */ +int otrl_base64_otr_decode(const char *msg, unsigned char **bufp, + size_t *lenp); + +#endif |