mirror of
https://github.com/openssl/openssl.git
synced 2024-12-15 06:01:37 +08:00
136 lines
3.2 KiB
Plaintext
136 lines
3.2 KiB
Plaintext
|
|
=pod
|
|
|
|
=head1 NAME
|
|
|
|
pkey - public or private key processing tool
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
B<openssl> B<pkey>
|
|
[B<-inform PEM|DER>]
|
|
[B<-outform PEM|DER>]
|
|
[B<-in filename>]
|
|
[B<-passin arg>]
|
|
[B<-out filename>]
|
|
[B<-passout arg>]
|
|
[B<-cipher>]
|
|
[B<-text>]
|
|
[B<-text_pub>]
|
|
[B<-noout>]
|
|
[B<-pubin>]
|
|
[B<-pubout>]
|
|
[B<-engine id>]
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
The B<pkey> command processes public or private keys. They can be converted
|
|
between various forms and their components printed out.
|
|
|
|
=head1 COMMAND OPTIONS
|
|
|
|
=over 4
|
|
|
|
=item B<-inform DER|PEM>
|
|
|
|
This specifies the input format DER or PEM.
|
|
|
|
=item B<-outform DER|PEM>
|
|
|
|
This specifies the output format, the options have the same meaning as the
|
|
B<-inform> option.
|
|
|
|
=item B<-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.
|
|
|
|
=item B<-passin arg>
|
|
|
|
the input file password source. For more information about the format of B<arg>
|
|
see the B<PASS PHRASE ARGUMENTS> section in L<openssl(1)|openssl(1)>.
|
|
|
|
=item B<-out filename>
|
|
|
|
This specifies the output filename to write a key to or standard output if this
|
|
option is not specified. If any encryption options are set then a pass phrase
|
|
will be prompted for. The output filename should B<not> be the same as the input
|
|
filename.
|
|
|
|
=item B<-passout password>
|
|
|
|
the output file password source. For more information about the format of B<arg>
|
|
see the B<PASS PHRASE ARGUMENTS> section in L<openssl(1)|openssl(1)>.
|
|
|
|
=item B<-cipher>
|
|
|
|
These options encrypt the private key with the supplied cipher. Any algorithm
|
|
name accepted by EVP_get_cipherbyname() is acceptable such as B<des3>.
|
|
|
|
=item B<-text>
|
|
|
|
prints out the various public or private key components in
|
|
plain text in addition to the encoded version.
|
|
|
|
=item B<-text_pub>
|
|
|
|
print out only public key components even if a private key is being processed.
|
|
|
|
=item B<-noout>
|
|
|
|
do not output the encoded version of the key.
|
|
|
|
=item B<-pubin>
|
|
|
|
by default a private key is read from the input file: with this
|
|
option a public key is read instead.
|
|
|
|
=item B<-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.
|
|
|
|
=item B<-engine id>
|
|
|
|
specifying an engine (by its unique B<id> string) will cause B<pkey>
|
|
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.
|
|
|
|
=back
|
|
|
|
=head1 EXAMPLES
|
|
|
|
To remove the pass phrase on an RSA private key:
|
|
|
|
openssl pkey -in key.pem -out keyout.pem
|
|
|
|
To encrypt a private key using triple DES:
|
|
|
|
openssl pkey -in key.pem -des3 -out keyout.pem
|
|
|
|
To convert a private key from PEM to DER format:
|
|
|
|
openssl pkey -in key.pem -outform DER -out keyout.der
|
|
|
|
To print out the components of a private key to standard output:
|
|
|
|
openssl pkey -in key.pem -text -noout
|
|
|
|
To print out the public components of a private key to standard output:
|
|
|
|
openssl pkey -in key.pem -text_pub -noout
|
|
|
|
To just output the public part of a private key:
|
|
|
|
openssl pkey -in key.pem -pubout -out pubkey.pem
|
|
|
|
=head1 SEE ALSO
|
|
|
|
L<genpkey(1)|genpkey(1)>, L<rsa(1)|rsa(1)>, L<pkcs8(1)|pkcs8(1)>,
|
|
L<dsa(1)|dsa(1)>, L<genrsa(1)|genrsa(1)>, L<gendsa(1)|gendsa(1)>
|
|
|
|
=cut
|