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dgst.1 (206048) dgst.1 (215698)
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129.\" ========================================================================
130.\"
131.IX Title "DGST 1"
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124.\" ========================================================================
125.\"
126.IX Title "DGST 1"
132.TH DGST 1 "2010-03-24" "0.9.8n" "OpenSSL"
127.TH DGST 1 "2010-11-16" "0.9.8p" "OpenSSL"
128.\" For nroff, turn off justification. Always turn off hyphenation; it makes
129.\" way too many mistakes in technical documents.
130.if n .ad l
131.nh
133.SH "NAME"
134dgst, md5, md4, md2, sha1, sha, mdc2, ripemd160 \- message digests
135.SH "SYNOPSIS"
136.IX Header "SYNOPSIS"
137\&\fBopenssl\fR \fBdgst\fR
138[\fB\-md5|\-md4|\-md2|\-sha1|\-sha|\-mdc2|\-ripemd160|\-dss1\fR]
139[\fB\-c\fR]
140[\fB\-d\fR]

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196.IP "\fB\-hmac key\fR" 4
197.IX Item "-hmac key"
198create a hashed \s-1MAC\s0 using \*(L"key\*(R".
199.IP "\fB\-rand file(s)\fR" 4
200.IX Item "-rand file(s)"
201a file or files containing random data used to seed the random number
202generator, or an \s-1EGD\s0 socket (see \fIRAND_egd\fR\|(3)).
203Multiple files can be specified separated by a OS-dependent character.
132.SH "NAME"
133dgst, md5, md4, md2, sha1, sha, mdc2, ripemd160 \- message digests
134.SH "SYNOPSIS"
135.IX Header "SYNOPSIS"
136\&\fBopenssl\fR \fBdgst\fR
137[\fB\-md5|\-md4|\-md2|\-sha1|\-sha|\-mdc2|\-ripemd160|\-dss1\fR]
138[\fB\-c\fR]
139[\fB\-d\fR]

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195.IP "\fB\-hmac key\fR" 4
196.IX Item "-hmac key"
197create a hashed \s-1MAC\s0 using \*(L"key\*(R".
198.IP "\fB\-rand file(s)\fR" 4
199.IX Item "-rand file(s)"
200a file or files containing random data used to seed the random number
201generator, or an \s-1EGD\s0 socket (see \fIRAND_egd\fR\|(3)).
202Multiple files can be specified separated by a OS-dependent character.
204The separator is \fB;\fR for MS\-Windows, \fB,\fR for OpenVMS, and \fB:\fR for
205all others.
203The separator is \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for
204all others.
206.IP "\fBfile...\fR" 4
207.IX Item "file..."
208file or files to digest. If no files are specified then standard input is
209used.
210.SH "NOTES"
211.IX Header "NOTES"
212The digest of choice for all new applications is \s-1SHA1\s0. Other digests are
213however still widely used.
214.PP
215If you wish to sign or verify data using the \s-1DSA\s0 algorithm then the dss1
216digest must be used.
217.PP
218A source of random numbers is required for certain signing algorithms, in
219particular \s-1DSA\s0.
220.PP
221The signing and verify options should only be used if a single file is
222being signed or verified.
205.IP "\fBfile...\fR" 4
206.IX Item "file..."
207file or files to digest. If no files are specified then standard input is
208used.
209.SH "NOTES"
210.IX Header "NOTES"
211The digest of choice for all new applications is \s-1SHA1\s0. Other digests are
212however still widely used.
213.PP
214If you wish to sign or verify data using the \s-1DSA\s0 algorithm then the dss1
215digest must be used.
216.PP
217A source of random numbers is required for certain signing algorithms, in
218particular \s-1DSA\s0.
219.PP
220The signing and verify options should only be used if a single file is
221being signed or verified.