181 lines
5.6 KiB
Groff
181 lines
5.6 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "GENDSA 1"
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.TH GENDSA 1 "2012-05-10" "0.9.8x" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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gendsa \- generate a DSA private key from a set of parameters
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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\&\fBopenssl\fR \fBgendsa\fR
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[\fB\-out filename\fR]
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[\fB\-des\fR]
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[\fB\-des3\fR]
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[\fB\-idea\fR]
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[\fB\-rand file(s)\fR]
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[\fB\-engine id\fR]
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[\fBparamfile\fR]
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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The \fBgendsa\fR command generates a \s-1DSA\s0 private key from a \s-1DSA\s0 parameter file
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(which will be typically generated by the \fBopenssl dsaparam\fR command).
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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.IP "\fB\-des|\-des3|\-idea\fR" 4
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.IX Item "-des|-des3|-idea"
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These options encrypt the private key with the \s-1DES\s0, triple \s-1DES\s0, or the
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\&\s-1IDEA\s0 ciphers respectively before outputting it. A pass phrase is prompted for.
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If none of these options is specified no encryption is used.
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.IP "\fB\-rand file(s)\fR" 4
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.IX Item "-rand file(s)"
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a file or files containing random data used to seed the random number
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generator, or an \s-1EGD\s0 socket (see \fIRAND_egd\fR\|(3)).
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Multiple files can be specified separated by a OS-dependent character.
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The separator is \fB;\fR for MS-Windows, \fB,\fR for OpenVMS, and \fB:\fR for
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all others.
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.IP "\fB\-engine id\fR" 4
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.IX Item "-engine id"
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specifying an engine (by it's unique \fBid\fR string) will cause \fBreq\fR
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to attempt to obtain a functional reference to the specified engine,
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thus initialising it if needed. The engine will then be set as the default
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for all available algorithms.
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.IP "\fBparamfile\fR" 4
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.IX Item "paramfile"
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This option specifies the \s-1DSA\s0 parameter file to use. The parameters in this
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file determine the size of the private key. \s-1DSA\s0 parameters can be generated
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and examined using the \fBopenssl dsaparam\fR command.
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.SH "NOTES"
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.IX Header "NOTES"
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\&\s-1DSA\s0 key generation is little more than random number generation so it is
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much quicker that \s-1RSA\s0 key generation for example.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIdsaparam\fR\|(1), \fIdsa\fR\|(1), \fIgenrsa\fR\|(1),
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\&\fIrsa\fR\|(1)
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