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* Update manpages * Added r2 -H for env and files help * Add rarun2 -h * Show assembler/disassembler features in rasm2 -L * Add opcode 'mov dword [ebp-12],4' to x86.nz - Make t/test.nz work with x86.olly (32bit only atm) * Fix unknown os issue with tiny-pe files in r_bin * Fix some plugin names build fails in mingw32 * MAGICPATH renamed to R_MAGIC_PATH * Add another experimental way to generate gir files - Added dummy test.js for nodejs * Build python-dist in farm --HG-- rename : man/rarc2-tool.1 => binr/old.rarc2/rarc2-tool.1 rename : man/rarc2.1 => binr/old.rarc2/rarc2.1
54 lines
1.3 KiB
Groff
54 lines
1.3 KiB
Groff
.Dd Mar 12, 2010
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.Dt HASHER2 1
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.Os
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.Sh NAME
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.Nm hasher2
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.Nd block based hashing utility
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.Sh SYNOPSIS
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.Nm hasher2
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.Op Fl h
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.Op Fl V
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.Op Fl a Ar algorithm
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.Op Fl b Ar size
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.Op Fl s Ar string
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.Op [file] ...
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.Sh DESCRIPTION
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This program is part of the radare project.
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.Pp
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Hasher allows you to calculate, check and show the hash values of each block of a target file. The block size is 32768 bytes by default. It's allowed to hash from stdin using '-' as a target file.
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.Pp
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You can hash big files by hashing each block and later determine what part of it has been modified. Useful for filesystem analysis.
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.Pp
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This command can be used to calculate hashes of a certain part of a file or a command line passed string.
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.Pp
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This is the command used by the '#' command of radare.
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.Bl -tag -width Fl
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.It Fl a Ar algo
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Select an algorithm for the hashing. Valid values are md5, crc32 and sha1
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.It Fl s Ar string
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Hash this string instead of using the 'source' and 'hash-file' arguments.
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.It Fl b Ar block size
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Define the block size
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.It Fl V
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Verbose output.
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.It Fl h
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Show usage help message.
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.El
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.Sh SEE ALSO
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.Pp
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.Xr radare2(1) ,
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.Xr rafind2(1) ,
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.Xr rahash2(1) ,
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.Xr rabin2(1) ,
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.Xr ranal2(1) ,
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.Xr radiff2(1) ,
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.Xr rasm2(1) ,
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.Xr ragg2(1) ,
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.Xr rarun2(1) ,
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.Xr rasc2(1) ,
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.Xr rax2(1) ,
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.Sh AUTHORS
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.Pp
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pancake <pancake@nopcode.org>,
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nibble <nibble@develsec.org>
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