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Diffstat (limited to 'secure/lib/libcrypto/man/dsa.1')
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diff --git a/secure/lib/libcrypto/man/dsa.1 b/secure/lib/libcrypto/man/dsa.1 new file mode 100644 index 000000000000..b1d9b3814a5c --- /dev/null +++ b/secure/lib/libcrypto/man/dsa.1 @@ -0,0 +1,275 @@ +.\" Automatically generated by Pod::Man version 1.15 +.\" Thu May 9 13:14:14 2002 +.\" +.\" Standard preamble: +.\" ====================================================================== +.de Sh \" Subsection heading +.br +.if t .Sp +.ne 5 +.PP +\fB\\$1\fR +.PP +.. +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.de Ip \" List item +.br +.ie \\n(.$>=3 .ne \\$3 +.el .ne 3 +.IP "\\$1" \\$2 +.. +.de Vb \" Begin verbatim text +.ft CW +.nf +.ne \\$1 +.. +.de Ve \" End verbatim text +.ft R + +.fi +.. +.\" Set up some character translations and predefined strings. \*(-- will +.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left +.\" double quote, and \*(R" will give a right double quote. | will give a +.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used +.\" to do unbreakable dashes and therefore won't be available. \*(C` and +.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<> +.tr \(*W-|\(bv\*(Tr +.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' +.ie n \{\ +. ds -- \(*W- +. ds PI pi +. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch +. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch +. ds L" "" +. ds R" "" +. ds C` "" +. ds C' "" +'br\} +.el\{\ +. ds -- \|\(em\| +. ds PI \(*p +. ds L" `` +. ds R" '' +'br\} +.\" +.\" If the F register is turned on, we'll generate index entries on stderr +.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and +.\" index entries marked with X<> in POD. Of course, you'll have to process +.\" the output yourself in some meaningful fashion. +.if \nF \{\ +. de IX +. tm Index:\\$1\t\\n%\t"\\$2" +.. +. nr % 0 +. rr F +.\} +.\" +.\" For nroff, turn off justification. 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They can be converted between various +forms and their components printed out. \fBNote\fR This command uses the +traditional SSLeay compatible format for private key encryption: newer +applications should use the more secure PKCS#8 format using the \fBpkcs8\fR +.SH "COMMAND OPTIONS" +.IX Header "COMMAND OPTIONS" +.Ip "\fB\-inform DER|PEM\fR" 4 +.IX Item "-inform DER|PEM" +This specifies the input format. The \fB\s-1DER\s0\fR option with a private key uses +an \s-1ASN1\s0 \s-1DER\s0 encoded form of an \s-1ASN\s0.1 \s-1SEQUENCE\s0 consisting of the values of +version (currently zero), p, q, g, the public and private key components +respectively as \s-1ASN\s0.1 INTEGERs. When used with a public key it uses a +SubjectPublicKeyInfo structure: it is an error if the key is not \s-1DSA\s0. +.Sp +The \fB\s-1PEM\s0\fR form is the default format: it consists of the \fB\s-1DER\s0\fR format base64 +encoded with additional header and footer lines. In the case of a private key +PKCS#8 format is also accepted. +.Ip "\fB\-outform DER|PEM\fR" 4 +.IX Item "-outform DER|PEM" +This specifies the output format, the options have the same meaning as the +\&\fB\-inform\fR option. +.Ip "\fB\-in filename\fR" 4 +.IX Item "-in filename" +This specifies the input filename to read a key from or standard input if this +option is not specified. If the key is encrypted a pass phrase will be +prompted for. +.Ip "\fB\-passin arg\fR" 4 +.IX Item "-passin arg" +the input file password source. For more information about the format of \fBarg\fR +see the \fB\s-1PASS\s0 \s-1PHRASE\s0 \s-1ARGUMENTS\s0\fR section in openssl(1). +.Ip "\fB\-out filename\fR" 4 +.IX Item "-out filename" +This specifies the output filename to write a key to or standard output by +is not specified. If any encryption options are set then a pass phrase will be +prompted for. The output filename should \fBnot\fR be the same as the input +filename. +.Ip "\fB\-passout arg\fR" 4 +.IX Item "-passout arg" +the output file password source. For more information about the format of \fBarg\fR +see the \fB\s-1PASS\s0 \s-1PHRASE\s0 \s-1ARGUMENTS\s0\fR section in openssl(1). +.Ip "\fB\-des|\-des3|\-idea\fR" 4 +.IX Item "-des|-des3|-idea" +These options encrypt the private key with the \s-1DES\s0, triple \s-1DES\s0, or the +\&\s-1IDEA\s0 ciphers respectively before outputting it. A pass phrase is prompted for. +If none of these options is specified the key is written in plain text. This +means that using the \fBdsa\fR utility to read in an encrypted key with no +encryption option can be used to remove the pass phrase from a key, or by +setting the encryption options it can be use to add or change the pass phrase. +These options can only be used with \s-1PEM\s0 format output files. +.Ip "\fB\-text\fR" 4 +.IX Item "-text" +prints out the public, private key components and parameters. +.Ip "\fB\-noout\fR" 4 +.IX Item "-noout" +this option prevents output of the encoded version of the key. +.Ip "\fB\-modulus\fR" 4 +.IX Item "-modulus" +this option prints out the value of the public key component of the key. +.Ip "\fB\-pubin\fR" 4 +.IX Item "-pubin" +by default a private key is read from the input file: with this option a +public key is read instead. +.Ip "\fB\-pubout\fR" 4 +.IX Item "-pubout" +by default a private key is output. With this option a public +key will be output instead. This option is automatically set if the input is +a public key. +.SH "NOTES" +.IX Header "NOTES" +The \s-1PEM\s0 private key format uses the header and footer lines: +.PP +.Vb 2 +\& -----BEGIN DSA PRIVATE KEY----- +\& -----END DSA PRIVATE KEY----- +.Ve +The \s-1PEM\s0 public key format uses the header and footer lines: +.PP +.Vb 2 +\& -----BEGIN PUBLIC KEY----- +\& -----END PUBLIC KEY----- +.Ve +.SH "EXAMPLES" +.IX Header "EXAMPLES" +To remove the pass phrase on a \s-1DSA\s0 private key: +.PP +.Vb 1 +\& openssl dsa -in key.pem -out keyout.pem +.Ve +To encrypt a private key using triple \s-1DES:\s0 +.PP +.Vb 1 +\& openssl dsa -in key.pem -des3 -out keyout.pem +.Ve +To convert a private key from \s-1PEM\s0 to \s-1DER\s0 format: +.PP +.Vb 1 +\& openssl dsa -in key.pem -outform DER -out keyout.der +.Ve +To print out the components of a private key to standard output: +.PP +.Vb 1 +\& openssl dsa -in key.pem -text -noout +.Ve +To just output the public part of a private key: +.PP +.Vb 1 +\& openssl dsa -in key.pem -pubout -out pubkey.pem +.Ve +.SH "SEE ALSO" +.IX Header "SEE ALSO" +dsaparam(1), gendsa(1), rsa(1), +genrsa(1) |