GENDSA(1SSL) OpenSSL GENDSA(1SSL)
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 it's unique id string) will cause req 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)
0.9.8g 2003-01-30 GENDSA(1SSL)
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