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Diffstat (limited to 'lib/isc/include/isc/md5.h')
-rw-r--r-- | lib/isc/include/isc/md5.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/lib/isc/include/isc/md5.h b/lib/isc/include/isc/md5.h new file mode 100644 index 000000000000..5b0d785cd1c4 --- /dev/null +++ b/lib/isc/include/isc/md5.h @@ -0,0 +1,73 @@ +/* + * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 2000, 2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: md5.h,v 1.16 2007/06/19 23:47:18 tbox Exp $ */ + +/*! \file isc/md5.h + * \brief This is the header file for the MD5 message-digest algorithm. + * + * The algorithm is due to Ron Rivest. This code was + * written by Colin Plumb in 1993, no copyright is claimed. + * This code is in the public domain; do with it what you wish. + * + * Equivalent code is available from RSA Data Security, Inc. + * This code has been tested against that, and is equivalent, + * except that you don't need to include two pages of legalese + * with every copy. + * + * To compute the message digest of a chunk of bytes, declare an + * MD5Context structure, pass it to MD5Init, call MD5Update as + * needed on buffers full of bytes, and then call MD5Final, which + * will fill a supplied 16-byte array with the digest. + * + * Changed so as no longer to depend on Colin Plumb's `usual.h' + * header definitions; now uses stuff from dpkg's config.h + * - Ian Jackson <ijackson@nyx.cs.du.edu>. + * Still in the public domain. + */ + +#ifndef ISC_MD5_H +#define ISC_MD5_H 1 + +#include <isc/lang.h> +#include <isc/types.h> + +#define ISC_MD5_DIGESTLENGTH 16U + +typedef struct { + isc_uint32_t buf[4]; + isc_uint32_t bytes[2]; + isc_uint32_t in[16]; +} isc_md5_t; + +ISC_LANG_BEGINDECLS + +void +isc_md5_init(isc_md5_t *ctx); + +void +isc_md5_invalidate(isc_md5_t *ctx); + +void +isc_md5_update(isc_md5_t *ctx, const unsigned char *buf, unsigned int len); + +void +isc_md5_final(isc_md5_t *ctx, unsigned char *digest); + +ISC_LANG_ENDDECLS + +#endif /* ISC_MD5_H */ |