PublicKey Class Reference

RSA public key. More...

Public Member Functions
	__construct ($pemStringOrCertificate)
	Construct public key with PEM formatted string or X.509 certificate.
	encrypt ($data, $padding=OPENSSL_PKCS1_OAEP_PADDING)
	Encrypt using this key.
	decrypt ($data, $padding=OPENSSL_PKCS1_PADDING)
	Decrypt using this key.
	getCertificate ()
	Get certificate string.
	toString ()
	To string.
Public Member Functions inherited from AbstractKey
	getSize ()
	Get key size in bits.
	getOpensslKeyResource ()
	Retrieve openssl key resource.
	encrypt ($data)
	Encrypt using this key.
	decrypt ($data)
	Decrypt using this key.
	toString ()
	Get string representation of this key.
	__toString ()

Static Public Member Functions
static	fromFile ($pemOrCertificateFile)
	Create public key instance public key from PEM formatted key file or X.509 certificate file.

Public Attributes
const	CERT_START = '-----BEGIN CERTIFICATE-----'
Public Attributes inherited from AbstractKey
const	DEFAULT_KEY_SIZE = 2048

Protected Attributes
	$certificateString = null
Protected Attributes inherited from AbstractKey
	$pemString = null
	$opensslKeyResource = null
	$details = []

Detailed Description

RSA public key.

Constructor & Destructor Documentation

__construct

(

$pemStringOrCertificate

)

Construct public key with PEM formatted string or X.509 certificate.

Parameters

string

$pemStringOrCertificate

Exceptions

Exception\RuntimeException

Member Function Documentation

decrypt	(		$data,
			$padding = OPENSSL_PKCS1_PADDING
	)

Decrypt using this key.

Parameters

string	$data
string	$padding

Exceptions

Exception\InvalidArgumentException
Exception\RuntimeException

Returns

string

encrypt	(		$data,
			$padding = OPENSSL_PKCS1_OAEP_PADDING
	)

Encrypt using this key.

Starting in 2.4.9/2.5.2, we changed the default padding to OPENSSL_PKCS1_OAEP_PADDING to prevent Bleichenbacher's chosen-ciphertext attack.

See Also

http://archiv.infsec.ethz.ch/education/fs08/secsem/bleichenbacher98.pdf

Parameters

string	$data
string	$padding

Exceptions

Exception\InvalidArgumentException
Exception\RuntimeException

Returns

string

static fromFile (   $pemOrCertificateFile )

static

Create public key instance public key from PEM formatted key file or X.509 certificate file.

Parameters

string

$pemOrCertificateFile

Returns

PublicKey

Exceptions

Exception\InvalidArgumentException

getCertificate

(

)

Get certificate string.

Returns

string

toString

(

)

To string.

Returns

string

Exceptions

Exception\RuntimeException

Member Data Documentation

$certificateString = null

protected

const CERT_START = '-----BEGIN CERTIFICATE-----'