xref: /plan9/sys/src/cmd/gs/src/smd5.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 2000 Aladdin Enterprises.  All rights reserved.
2 
3   This software is provided AS-IS with no warranty, either express or
4   implied.
5 
6   This software is distributed under license and may not be copied,
7   modified or distributed except as expressly authorized under the terms
8   of the license contained in the file LICENSE in this distribution.
9 
10   For more information about licensing, please refer to
11   http://www.ghostscript.com/licensing/. For information on
12   commercial licensing, go to http://www.artifex.com/licensing/ or
13   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
15 */
16 
17 /* $Id: smd5.h,v 1.5 2004/01/13 14:03:30 igor Exp $ */
18 /* Definitions for MD5Encode filter */
19 /* Requires scommon.h; strimpl.h if any templates are referenced */
20 
21 #ifndef smd5_INCLUDED
22 #  define smd5_INCLUDED
23 
24 #include "md5.h"
25 
26 /*
27  * The MD5Encode filter accepts an arbitrary amount of input data, and then,
28  * when closed, emits the 16-byte MD5 digest.
29  */
30 typedef struct stream_MD5E_state_s {
31     stream_state_common;
32     md5_state_t md5;
33 } stream_MD5E_state;
34 
35 #define private_st_MD5E_state()	/* in smd5.c */\
36   gs_private_st_simple(st_MD5E_state, stream_MD5E_state,\
37     "MD5Encode state")
38 extern const stream_template s_MD5E_template;
39 
40 stream *s_MD5E_make_stream(gs_memory_t *mem, byte *digest, int digest_size);
41 
42 #endif /* smd5_INCLUDED */
43