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	addCertificateBeginEnd(String certificate)
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)

addCertificateBeginEnd

public static String addCertificateBeginEnd(String certificate)

addRsaPrivateKeyBeginEnd

public static String addRsaPrivateKeyBeginEnd(String privateKeyPem)

generateThumbprint

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

Throws:

NoSuchAlgorithmException