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46 lines
1.6 KiB
Plaintext
46 lines
1.6 KiB
Plaintext
@database sha.guide
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@author Carsten Sonne Larsen
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@(c) Carsten Sonne Larsen
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@$VER: sha.guide 1.0 (21.11.2014)
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@node Main "User manual"
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@title "File hashing utility"
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@{bg filltext}@{b}SHA SHA@{ub}@{bg background}
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@{b}NAME@{ub}
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sha - file hashing utility
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@{b}USAGE@{ub}
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@{b}sha@{ub} [@{b}-12345Vh@{ub}] [@{u}file@{uu} ...]
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@{b}DESCRIPTION@{ub}
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sha is a simple program that hashes files. It uses the National Institute
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of Standards and Technology's Secure Hash Algorithm. It can use SHA-1,
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SHA-256, SHA-384, or SHA-512, which generate respectively, hashes of 160,
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256, 384, or 512 bits. @{b}sha@{ub} can be used in scripts to do, for example,
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file integrity checking.
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@{b}OPTIONS@{ub}
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@{b}-1@{ub} Use SHA-1, which produces a 160-bit hash (40 hex digits).
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@{b}-2@{ub} Use SHA-256, which produces a 256-bit hash (64 hex digits).
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@{b}-3@{ub} Use SHA-384, which produces a 384-bit hash (96 hex digits).
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@{b}-5@{ub} Use SHA-512, which produces a 512-bit hash (128 hex digits).
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@{b}-V@{ub} Display version information.
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@{b}-h@{ub} Display help summary.
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@{u}file@{uu} ...
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One or more files to hash.
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If neither @{b}-1@{ub}, @{b}-2@{ub}, @{b}-3@{ub}, or @{b}-5@{ub} are given, then SHA-1 is used.
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@{b}AUTHOR@{ub}
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Allan Saddi <allan@saddi.com>
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Project home page: http://www.saddi.com/software/sha/
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@{bg filltext}@{b} August 19, 2001 SHA@{ub}@{bg background}
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@endnode
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