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CentOS 7.0 - man page for gendsa (centos section 1)

GENDSA(1)				     OpenSSL					GENDSA(1)

NAME
       gendsa - generate a DSA private key from a set of parameters

SYNOPSIS
       openssl gendsa [-out filename] [-des] [-des3] [-idea] [-rand file(s)] [-engine id]
       [paramfile]

DESCRIPTION
       The gendsa command generates a DSA private key from a DSA parameter file (which will be
       typically generated by the openssl dsaparam command).

OPTIONS
       -des|-des3|-idea
	   These options encrypt the private key with the DES, triple DES, or the IDEA ciphers
	   respectively before outputting it. A pass phrase is prompted for.  If none of these
	   options is specified no encryption is used.

       -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.

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

       paramfile
	   This option specifies the DSA parameter file to use. The parameters in this file
	   determine the size of the private key. DSA parameters can be generated and examined
	   using the openssl dsaparam command.

NOTES
       DSA key generation is little more than random number generation so it is much quicker that
       RSA key generation for example.

SEE ALSO
       dsaparam(1), dsa(1), genrsa(1), rsa(1)

1.0.1e					    2013-02-11					GENDSA(1)


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