Because PKey is an abstract class, actually calling this method explicitly will raise a NotImplementedError.

Either generates a DH instance from scratch or by reading already existing DH parameters from string. Note that when reading a DH instance from data that was encoded from a DH instance by using DH#to_pem or DH#to_der the result will not contain a public/private key pair yet. This needs to be generated using DH#generate_key! first.

Parameters

• size is an integer representing the desired key size. Keys smaller than 1024 bits should be considered insecure.

• generator is a small number > 1, typically 2 or 5.

• string contains the DER or PEM encoded key.

Examples

DH.new # -> dh
DH.new(1024) # -> dh
DH.new(1024, 5) # -> dh
#Reading DH parameters
dh = DH.new(File.read('parameters.pem')) # -> dh, but no public/private key yet
dh.generate_key! # -> dh with public and private key

Creates a new DSA instance by reading an existing key from string.

Parameters

• size is an integer representing the desired key size.

• string contains a DER or PEM encoded key.

• pass is a string that contains an optional password.

Examples

DSA.new -> dsa
DSA.new(1024) -> dsa
DSA.new(File.read('dsa.pem')) -> dsa
DSA.new(File.read('dsa.pem'), 'mypassword') -> dsa

Creates a new EC object from given arguments.

Generates or loads an RSA keypair. If an integer key_size is given it represents the desired key size. Keys less than 1024 bits should be considered insecure.

A key can instead be loaded from an encoded_key which must be PEM or DER encoded. A pass_phrase can be used to decrypt the key. If none is given OpenSSL will prompt for the pass phrase.

Examples

OpenSSL::PKey::RSA.new 2048
OpenSSL::PKey::RSA.new File.read 'rsa.pem'
OpenSSL::PKey::RSA.new File.read('rsa.pem'), 'my pass phrase'

Creates a new Session object from an instance of SSLSocket or DER/PEM encoded String.

Creates a new X509::Store.

Create a new Alias that points to an anchor

Create a new Psych::Nodes::Document object.

version is a list indicating the YAML version. tags_directives is a list of tag directive declarations implicit is a flag indicating whether the document will be implicitly started.

Example:

This creates a YAML document object that represents a YAML 1.1 document with one tag directive, and has an implicit start:

Psych::Nodes::Document.new(
  [1,1],
  [["!", "tag:tenderlovemaking.com,2009:"]],
  true
)

See Also

See also Psych::Handler#start_document

Create a new Psych::Nodes::Mapping object.

anchor is the anchor associated with the map or nil. tag is the tag associated with the map or nil. implicit is a boolean indicating whether or not the map was implicitly started. style is an integer indicating the mapping style.

See Also

See also Psych::Handler#start_mapping

Create a new Psych::Nodes::Node

Create a new Psych::Nodes::Scalar object.

value is the string value of the scalar anchor is an associated anchor or nil tag is an associated tag or nil plain is a boolean value quoted is a boolean value style is an integer idicating the string style

See Also

See also Psych::Handler#scalar

Create a new object representing a YAML sequence.

anchor is the anchor associated with the sequence or nil. tag is the tag associated with the sequence or nil. implicit a boolean indicating whether or not the sequence was implicitly started. style is an integer indicating the list style.

See Psych::Handler#start_sequence

Create a new Psych::Nodes::Stream node with an encoding that defaults to Psych::Nodes::Stream::UTF8.

See also Psych::Handler#start_stream

Create a new FileStore instance.

This constructor is used internally by CGI::Session. The user does not generally need to call it directly.

session is the session for which this instance is being created. The session id must only contain alphanumeric characters; automatically generated session ids observe this requirement.

option is a hash of options for the initializer. The following options are recognised:

tmpdir

the directory to use for storing the FileStore file. Defaults to Dir::tmpdir (generally “/tmp” on Unix systems).

prefix

the prefix to add to the session id when generating the filename for this session’s FileStore file. Defaults to “cgi_sid_”.

suffix

the prefix to add to the session id when generating the filename for this session’s FileStore file. Defaults to the empty string.

This session’s FileStore file will be created if it does not exist, or opened if it does.

Create a new MemoryStore instance.

session is the session this instance is associated with. option is a list of initialisation options. None are currently recognized.