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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | HASHDEEP FILE FORMAT VERSION 1.0
1. INTRODUCTION
This file documents the hashdeep file format. These files are generated
by hashdeep and contain a list of names, hashes, and sizes of files.
This documentation pertains to version 1.0 of the file format and was
last updated on 14 Jan 2009.
2. REVISION HISTORY
14 Jan 2009 - Initial version (jk)
3. FILE HEADER
The first line of the file is a header, like this:
%%%% HASHDEEP-1.0
This line identifies the version of the file format being used, not
necessarily the version of the hashdeep program.
The second line starts with four percent signs (%%%%) and then
identifies the columns in the remainder of the file. The first column
must be the file size and the last column must be the filename. Legal
values for the other columns are the names of the supported hash
algorithms. These names are: md5, sha1 or sha-1, sha256 or sha-256,
whirlpool, and tiger. No other column names are supported. There should
be a space between the percent signs and the first column name, but no
spaces between the column names themselves. Note also that filename is
one word.
Here is a sample second line:
%%%% size,md5,sha256,filename
4. COMMENTS
Any line after the header that begins with a pound sign (#) is
considered a comment and ignored. The hashdeep program normally inserts
several lines of comments noting from which directory the program was
invoked, the command line used to invoke it, and a blank comment line.
5. KNOWN FILES
After the comments are the known files. Each line should contain a
series of comma separated values corresponding to the columns listed in
the file header. Thus the first column must always be the file's size
and the last column must be filename. None of the values should be
quoted. If there are more commas than expected, the additional commas
are considered part of the filename. Using the file header from above,
here is a sample set of lines:
3184,bf4956fabeea95b002c53fedbe10204d,49c3a0a53815d1d87bf9f481e96bee6b5e8494f7465653a4c3d45853cfcae7a7,/home/jessek/bar
16382,1ba3d8b07d7a103a3bbc7227a0174f91,b48aa24698f3429467c8c0c1e83c9ef609636803918b661bd03fbede017849d1,/home/jessek/foo
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