Package org.keycloak.common.util

Class PemUtils

java.lang.Object

org.keycloak.common.util.PemUtils

public class PemUtils
extends Object

Utility classes to extract PublicKey, PrivateKey, and X509Certificate from openssl generated PEM files

Version:

$Revision: 1 $

Author:

Bill Burke

Field Summary

Fields

Modifier and Type	Field	Description
static final String	BEGIN_CERT
static final String	BEGIN_PRIVATE_KEY
static final String	BEGIN_RSA_PRIVATE_KEY
static final String	END_CERT
static final String	END_PRIVATE_KEY
static final String	END_RSA_PRIVATE_KEY

Constructor Summary

Constructors

Constructor	Description
PemUtils()

Method Summary

Modifier and Type	Method	Description
static String	addPrivateKeyBeginEnd(String privateKeyPem)
static String	addRsaPrivateKeyBeginEnd(String privateKeyPem)
static X509Certificate	decodeCertificate(String cert)	Decode a X509 Certificate from a PEM string
static PrivateKey	decodePrivateKey(String pem)	Decode a Private Key from a PEM string
static PublicKey	decodePublicKey(String pem)	Decode a Public Key from a PEM string
static PublicKey	decodePublicKey(String pem, String type)	Decode a Public Key from a PEM string
static String	encodeCertificate(Certificate certificate)	Encode a X509 Certificate to a PEM string
static String	encodeKey(Key key)	Encode a Key to a PEM string
static String	generateThumbprint(String[] certChain, String encoding)
static byte[]	pemToDer(String pem)
static String	removeBeginEnd(String pem)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BEGIN_CERT

public static final String BEGIN_CERT

See Also:

• Constant Field Values

END_CERT

public static final String END_CERT

See Also:

• Constant Field Values

BEGIN_PRIVATE_KEY

public static final String BEGIN_PRIVATE_KEY

See Also:

• Constant Field Values

END_PRIVATE_KEY

public static final String END_PRIVATE_KEY

See Also:

• Constant Field Values

BEGIN_RSA_PRIVATE_KEY

public static final String BEGIN_RSA_PRIVATE_KEY

See Also:

• Constant Field Values

END_RSA_PRIVATE_KEY

public static final String END_RSA_PRIVATE_KEY

See Also:

• Constant Field Values

Constructor Details

PemUtils

public PemUtils()

Method Details

decodeCertificate

public static X509Certificate decodeCertificate(String cert)

Decode a X509 Certificate from a PEM string

Parameters:

cert -

Returns:

Throws:

Exception

decodePublicKey

public static PublicKey decodePublicKey(String pem)

Decode a Public Key from a PEM string

Parameters:

pem -

Returns:

Throws:

Exception

decodePublicKey

public static PublicKey decodePublicKey(String pem,
 String type)

Decode a Public Key from a PEM string

Parameters:

pem - The pem encoded pblic key

type - The type of the key (RSA, EC,...)

Returns:

The public key or null

decodePrivateKey

public static PrivateKey decodePrivateKey(String pem)

Decode a Private Key from a PEM string

Parameters:

pem -

Returns:

Throws:

Exception

encodeKey

public static String encodeKey(Key key)

Encode a Key to a PEM string

Parameters:

key -

Returns:

Throws:

Exception

encodeCertificate

public static String encodeCertificate(Certificate certificate)

Encode a X509 Certificate to a PEM string

Parameters:

certificate -

Returns:

pemToDer

public static byte[] pemToDer(String pem)

removeBeginEnd

public static String removeBeginEnd(String pem)

addPrivateKeyBeginEnd

public static String addPrivateKeyBeginEnd(String privateKeyPem)

addRsaPrivateKeyBeginEnd

public static String addRsaPrivateKeyBeginEnd(String privateKeyPem)

generateThumbprint

public static String generateThumbprint(String[] certChain,
 String encoding)
                                 throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException