=over 10
-=item B<asn1parse>
+=item L<B<asn1parse>|asn1parse(1)>
Parse an ASN.1 sequence.
-=item B<ca>
+=item L<B<ca>|ca(1)>
Certificate Authority (CA) Management.
-=item B<ciphers>
+=item L<B<ciphers>|ciphers(1)>
Cipher Suite Description Determination.
-=item B<crl>
+=item L<B<crl>|crl(1)>
Certificate Revocation List (CRL) Management.
-=item B<crl2pkcs7>
+=item L<B<crl2pkcs7>|crl2pkcs7(1)>
CRL to PKCS#7 Conversion.
-=item B<dgst>
+=item L<B<dgst>|dgst(1)>
Message Digest Calculation.
-=item B<dh>
+=item L<B<dh>|dh(1)>
Diffie-Hellman Data Management.
-=item B<dsa>
+=item L<B<dsa>|dsa(1)>
DSA Data Management.
-=item B<dsaparam>
+=item L<B<dsaparam>|dsaparam(1)>
DSA Parameter Generation.
-=item B<enc>
+=item L<B<enc>|enc(1)>
Encoding with Ciphers.
-=item B<errstr>
+=item L<B<errstr>|errstr(1)>
Error Number to Error String Conversion.
-=item B<gendh>
+=item L<B<gendh>|gendh(1)>
Generation of Diffie-Hellman Parameters.
-=item B<gendsa>
+=item L<B<gendsa>|gendsa(1)>
Generation of DSA Parameters.
-=item B<genrsa>
+=item L<B<genrsa>|genrsa(1)>
Generation of RSA Parameters.
-=item B<passwd>
+=item L<B<passwd>|passwd(1)>
Generation of hashed passwords.
-=item B<pkcs7>
+=item L<B<pkcs7>|pkcs7(1)>
PKCS#7 Data Management.
-=item B<req>
+=item L<B<req>|req(1)>
X.509 Certificate Signing Request (CSR) Management.
-=item B<rsa>
+=item L<B<rsa>|rsa(1)>
RSA Data Management.
-=item B<s_client>
+=item L<B<s_client>|s_client(1)>
This implements a generic SSL/TLS client which can establish a transparent
connection to a remote server speaking SSL/TLS. It's intended for testing
purposes only and provides only rudimentary interface functionality but
internally uses mostly all functionality of the OpenSSL B<ssl> library.
-=item B<s_server>
+=item L<B<s_server>|s_server(1)>
This implements a generic SSL/TLS server which accepts connections from remote
clients speaking SSL/TLS. It's intended for testing purposes only and provides
line oriented protocol for testing SSL functions and a simple HTTP response
facility to emulate an SSL/TLS-aware webserver.
-=item B<s_time>
+=item L<B<s_time>|s_time(1)>
SSL Connection Timer.
-=item B<sess_id>
+=item L<B<sess_id>|sess_id(1)>
SSL Session Data Management.
-=item B<smime>
+=item L<B<smime>|smime(1)>
S/MIME mail processing.
-=item B<speed>
+=item L<B<speed>|speed(1)>
Algorithm Speed Measurement.
-=item B<verify>
+=item L<B<verify>|verify(1)>
X.509 Certificate Verification.
-=item B<version>
+=item L<B<version>|version(1)>
OpenSSL Version Information.
-=item B<x509>
+=item L<B<x509>|x509(1)>
X.509 Certificate Data Management.
=back
+=head1 PASS PHRASE ARGUMENTS
+
+Several commands accept password arguments, typically using B<-passin>
+and B<-passout> for input and output passwords respectively. These allow
+the password to be obtained from a variety of sources. Both of these
+options take a single argument whose format is described below. If no
+password argument is given and a password is required then the user is
+prompted to enter one: this will typically be read from the current
+terminal with echoing turned off.
+
+=over 10
+
+=item B<pass:password>
+
+the actual password is B<password>. Since the password is visible
+to utilities (like 'ps' under Unix) this form should only be used
+where security is not important.
+
+=item B<env:var>
+
+obtain the password from the environment variable B<var>. Since
+the environment of other processes is visible on certain platforms
+(e.g. ps under certain Unix OSes) this option should be used with caution.
+
+=item B<file:pathname>
+
+the first line of B<pathname> is the password. If the same B<pathname>
+argument is supplied to B<-passin> and B<-passout> arguments then the first
+line will be used for the input password and the next line for the output
+password. B<pathname> need not refer to a regular file: it could for example
+refer to a device or named pipe.
+
+=item B<fd:number>
+
+read the password from the file descriptor B<number>. This can be used to
+send the data via a pipe for example.
+
+=item B<stdin>
+
+read the password from standard input.
+
+=back
+
=head1 SEE ALSO
L<asn1parse(1)|asn1parse(1)>, L<ca(1)|ca(1)>, L<config(5)|config(5)>,
projects / openssl.git / blobdiff