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IO::Socket::SSL::Utils(3)      User Contributed Perl Documentation	IO::Socket::SSL::Utils(3)

       IO::Socket::SSL::Utils -- loading, storing, creating certificates and keys

	   use IO::Socket::SSL::Utils;
	   my $cert = PEM_file2cert('cert.pem');
	   my $string = PEM_cert2string($cert);

	   my $key = KEY_create_rsa(2048);

       This module provides various utility functions to work with certificates and private keys,
       shielding some of the complexity of the underlying Net::SSLeay and OpenSSL.

       o   Functions converting between string or file and certificates and keys.  They croak if
	   the operation cannot be completed.

	   PEM_file2cert(file) -> cert
	   PEM_string2cert(string) -> cert
	   PEM_cert2string(cert) -> string
	   PEM_file2key(file) -> key
	   PEM_string2key(string) -> key
	   PEM_key2string(key) -> string
       o   Functions for cleaning up.  Each loaded or created cert and key must be freed to not
	   leak memory.

       o   KEY_create_rsa(bits) -> key

	   Creates an RSA key pair, bits defaults to 1024.

       o   CERT_asHash(cert) -> hash

	   Extracts the information from the certificate into a hash:

	   serial  The serial number

	   version Certificate version, usually 2 (x509v3)

	   subject Hash with the parts of the subject, e.g. commonName, countryName,
		   organizationName, stateOrProvinceName, localityName.

		   Array with list of alternative names. Each entry in the list is of
		   "[type,value]", where "type" can be OTHERNAME, EMAIL, DNS, X400, DIRNAME,

	   not_before, not_after
		   The time frame, where the certificate is valid, as time_t, e.g. can be
		   converted with localtime or similar functions.

       o   CERT_create(hash) -> cert

	   Creates a certificate based on the given hash.  Additionally to the information
	   described in "CERT_asHash" the following keys can be given:

	   CA true|false
		   if true declare certificate as CA, defaults to false

	   key key use given key as key for certificate, otherwise a new one will be generated

	   issuer_cert cert
		   set issuer for new certificate

	   issuer_key key
		   sign new certificate with given key

	   If not all necessary information are given some will have usable defaults, e.g.

	   not_before defaults to the current time
	   not_after defaults to 365 days in the future
	   subject has a default pointing to IO::Socket::SSL
	   version defaults to 2 (x509v3)
	   serial will be a random number

       Steffen Ullrich

perl v5.16.3				    2014-06-10			IO::Socket::SSL::Utils(3)
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