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NetBSD 6.1.5 - man page for openssl_dsaparam (netbsd section 1)

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DSAPARAM(1)				     OpenSSL				      DSAPARAM(1)

NAME
       dsaparam - DSA parameter manipulation and generation

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
       openssl dsaparam [-inform DER|PEM] [-outform DER|PEM] [-in filename] [-out filename]
       [-noout] [-text] [-C] [-rand file(s)] [-genkey] [-engine id] [numbits]

DESCRIPTION
       This command is used to manipulate or generate DSA parameter files.

OPTIONS
       -inform DER|PEM
	   This specifies the input format. The DER option uses an ASN1 DER encoded form
	   compatible with RFC2459 (PKIX) DSS-Parms that is a SEQUENCE consisting of p, q and g
	   respectively. The PEM form is the default format: it consists of the DER format base64
	   encoded with additional header and footer lines.

       -outform DER|PEM
	   This specifies the output format, the options have the same meaning as the -inform
	   option.

       -in filename
	   This specifies the input filename to read parameters from or standard input if this
	   option is not specified. If the numbits parameter is included then this option will be
	   ignored.

       -out filename
	   This specifies the output filename parameters to. Standard output is used if this
	   option is not present. The output filename should not be the same as the input
	   filename.

       -noout
	   this option inhibits the output of the encoded version of the parameters.

       -text
	   this option prints out the DSA parameters in human readable form.

       -C  this option converts the parameters into C code. The parameters can then be loaded by
	   calling the get_dsaXXX() function.

       -genkey
	   this option will generate a DSA either using the specified or generated parameters.

       -rand file(s)
	   a file or files containing random data used to seed the random number generator, or an
	   EGD socket (see RAND_egd(3)).  Multiple files can be specified separated by a OS-
	   dependent character.  The separator is ; for MS-Windows, , for OpenVMS, and : for all
	   others.

       numbits
	   this option specifies that a parameter set should be generated of size numbits. It
	   must be the last option. If this option is included then the input file (if any) is
	   ignored.

       -engine id
	   specifying an engine (by its unique id string) will cause dsaparam 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.

NOTES
       PEM format DSA parameters use the header and footer lines:

	-----BEGIN DSA PARAMETERS-----
	-----END DSA PARAMETERS-----

       DSA parameter generation is a slow process and as a result the same set of DSA parameters
       is often used to generate several distinct keys.

SEE ALSO
       openssl_gendsa(1), openssl_dsa(1), openssl_genrsa(1), openssl_rsa(1)

1.0.1i					    2009-07-20				      DSAPARAM(1)
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