diff options
author | Todd C. Miller <millert@cvs.openbsd.org> | 1997-07-12 21:26:59 +0000 |
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committer | Todd C. Miller <millert@cvs.openbsd.org> | 1997-07-12 21:26:59 +0000 |
commit | 7ca3a743be6033dff326884b186cc8e13f9962b7 (patch) | |
tree | 237cc5faf648ad45a596ebcc22d5a599ff3dc308 /bin/md5/md5.1 | |
parent | 6103cfab79bee133e65cbb88bad41566950c0e60 (diff) |
Use new-style man macros.
Diffstat (limited to 'bin/md5/md5.1')
-rw-r--r-- | bin/md5/md5.1 | 71 |
1 files changed, 40 insertions, 31 deletions
diff --git a/bin/md5/md5.1 b/bin/md5/md5.1 index dd3dd3f744b..8b0e10a9318 100644 --- a/bin/md5/md5.1 +++ b/bin/md5/md5.1 @@ -1,48 +1,57 @@ -.\" $OpenBSD: md5.1,v 1.1 1996/06/11 10:37:36 deraadt Exp $ +.\" $OpenBSD: md5.1,v 1.2 1997/07/12 21:26:57 millert Exp $ .\" -.TH MD5 1 "Feb 14, 1994" -.SH NAME -md5 \- calculate a message-digest fingerprint (checksum) for a file -.SH SYNOPSIS -.B md5 -[ -p | -t | -x | -sstring | filename(s) ] -.SH DESCRIPTION -.B md5 +.Dd February 14, 1994 +.Dt MD5 1 +.Os +.Sh NAME +.Nm md5 +.Nd "calculate a message-digest fingerprint (checksum) for a file" +.Sh SYNOPSIS +.Nm +.Op Fl p +.Op Fl t +.Op Fl x +.Op Fl s Ns Ar string +.Op Ar filename(s) +.Sh DESCRIPTION +.Nm takes as input a message of arbitrary length and produces as output a 128-bit "fingerprint" or "message digest" of the input. It is conjectured that it is computationally infeasible to produce two messages having the same message digest, or to produce any message having a given prespecified target message digest. -The MD5 algorithm is intended for digital signature applications, where a +The +.Em MD5 +algorithm is intended for digital signature applications, where a large file must be "compressed" in a secure manner before being encrypted with a private (secret) key under a public-key cryptosystem such as -.I RSA. -.SH OPTIONS +.Em RSA . +.Sh OPTIONS The following four options may be used in any combination, except that -.B "filename(s)" +.Ar filename(s) must be the last objects on the command line. -.in +5 -.PP -.B -sstring -prints a checksum of the given "string". -.PP -.B -p -echos stdin to stdout and appends the MD5 sum to stdout. -.PP -.B -t +.Bl -tag -width "filename(s)" +.It Fl s Ns Ar string +prints a checksum of the given string. +.It Fl p +echos stdin to stdout and appends the +.Em MD5 +sum to stdout. +.It Fl t runs a built-in time trial. -.PP -.B -x +.It Fl x runs a built-in test script. -.PP -.B filename(s) -prints a checksum(s) for each of the files. -.SH "SEE ALSO" -.BR cksum (1) -.PP +.It Ar filename(s) +prints the checksum for each file. If no files are specified, +standard input is used. +.El +.Sh SEE ALSO +.Xr cksum 1 , +.Xr sha1 1 +.Pp RFC 1321 describes in detail the MD2, MD4, and MD5 message-digest algorithms. -.SH ACKNOWLEDGEMENTS +.Sh ACKNOWLEDGEMENTS This program is placed in the public domain for free general use by RSA Data Security. |