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41 lines
1.3 KiB
41 lines
1.3 KiB
/* |
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* Copyright (c) 2009 Thomas Schmitt |
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* |
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* This file is part of the libisofs project; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License version 2 |
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* or later as published by the Free Software Foundation. |
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* See COPYING file for details. |
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*/ |
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#ifndef LIBISO_MD5_H_ |
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#define LIBISO_MD5_H_ |
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/* The MD5 computation API is in libisofs.h : iso_md5_start() et.al. */ |
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/** Create a writer object for checksums and add it to the writer list of |
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the given Ecma119Image. |
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*/ |
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int checksum_writer_create(Ecma119Image *target); |
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/* Write stream detectable checksum tag to extra block. |
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* All tag ranges start at the beginning of the System Area (i.e. t->ms_block) |
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* and stem from the same MD5 computation context. Tag types 2 and 3 are |
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* intermediate checksums. Type 2 announces the existence of type 3. |
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* If both match, then at least the directory tree is trustworthy. |
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* Type 1 is written at the very end of the session. If it matches, then |
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* the whole image is trustworthy. |
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* @param t The image being written |
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* @flag bit0-7= tag type |
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* 1= session tag (End checksumming.) |
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* 2= superblock tag (System Area and Volume Descriptors) |
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* 3= tree tag (ECMA-119 and Rock Ridge tree) |
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*/ |
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int iso_md5_write_tag(Ecma119Image *t, int flag); |
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#endif /* ! LIBISO_MD5_H_ */ |
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