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Diffstat (limited to 'secure/usr.bin/openssl/man/dsa.1')
| -rw-r--r-- | secure/usr.bin/openssl/man/dsa.1 | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/secure/usr.bin/openssl/man/dsa.1 b/secure/usr.bin/openssl/man/dsa.1 new file mode 100644 index 0000000..0bceba9 --- /dev/null +++ b/secure/usr.bin/openssl/man/dsa.1 @@ -0,0 +1,291 @@ +.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.28) +.\" +.\" Standard preamble: +.\" ======================================================================== +.de Sp \" Vertical space (when we can't use .PP) +.if t .sp .5v +.if n .sp +.. +.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. \*(C+ will +.\" give a nicer C++. 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Always turn off hyphenation; it makes +.\" way too many mistakes in technical documents. +.if n .ad l +.nh +.SH "NAME" +dsa \- DSA key processing +.SH "SYNOPSIS" +.IX Header "SYNOPSIS" +\&\fBopenssl\fR \fBdsa\fR +[\fB\-inform PEM|DER\fR] +[\fB\-outform PEM|DER\fR] +[\fB\-in filename\fR] +[\fB\-passin arg\fR] +[\fB\-out filename\fR] +[\fB\-passout arg\fR] +[\fB\-aes128\fR] +[\fB\-aes192\fR] +[\fB\-aes256\fR] +[\fB\-camellia128\fR] +[\fB\-camellia192\fR] +[\fB\-camellia256\fR] +[\fB\-des\fR] +[\fB\-des3\fR] +[\fB\-idea\fR] +[\fB\-text\fR] +[\fB\-noout\fR] +[\fB\-modulus\fR] +[\fB\-pubin\fR] +[\fB\-pubout\fR] +[\fB\-engine id\fR] +.SH "DESCRIPTION" +.IX Header "DESCRIPTION" +The \fBdsa\fR command processes \s-1DSA\s0 keys. 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 DER\s0 encoded form of an \s-1ASN.1 SEQUENCE\s0 consisting of the values of +version (currently zero), p, q, g, the public and private key components +respectively as \s-1ASN.1\s0 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 PHRASE ARGUMENTS\s0\fR section in \fIopenssl\fR\|(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 PHRASE ARGUMENTS\s0\fR section in \fIopenssl\fR\|(1). +.IP "\fB\-aes128|\-aes192|\-aes256|\-camellia128|\-camellia192|\-camellia256|\-des|\-des3|\-idea\fR" 4 +.IX Item "-aes128|-aes192|-aes256|-camellia128|-camellia192|-camellia256|-des|-des3|-idea" +These options encrypt the private key with the specified +cipher 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. +.IP "\fB\-engine id\fR" 4 +.IX Item "-engine id" +specifying an engine (by its unique \fBid\fR string) will cause \fBdsa\fR +to attempt to obtain a functional reference to the specified engine, +thus initialising it if needed. The engine will then be set as the default +for all available algorithms. +.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 +.PP +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 +.PP +To encrypt a private key using triple \s-1DES:\s0 +.PP +.Vb 1 +\& openssl dsa \-in key.pem \-des3 \-out keyout.pem +.Ve +.PP +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 +.PP +To print out the components of a private key to standard output: +.PP +.Vb 1 +\& openssl dsa \-in key.pem \-text \-noout +.Ve +.PP +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" +\&\fIdsaparam\fR\|(1), \fIgendsa\fR\|(1), \fIrsa\fR\|(1), +\&\fIgenrsa\fR\|(1) |
