Package org.jvnet.hudson.crypto

Class RSAPublicKeyUtil

java.lang.Object

org.jvnet.hudson.crypto.RSAPublicKeyUtil

public class RSAPublicKeyUtil
extends Object

Utility code to work around horrible Java Crypto API.

Author:

Kohsuke Kawaguchi

Constructor Summary

Constructors

Constructor	Description
RSAPublicKeyUtil()

Method Summary

Modifier and Type	Method	Description
static byte[]	encode(PublicKey key)	Encodes RSA/DSA public keys into the OpenSSH format.
static String	getEC2FingerPrint(Key publicKey)	Gets RSA key fingerprint in the form EC2 does, which is different from how OpenSSH does.
static String	getFingerPrint(PublicKey key)	Gets RSA key fingerprint in the form of "f7:7a:42:76:79:e8:8a:1a:4a:32:0c:b3:f9:3b:53:d4"
static PublicKey	readPublicKey(String keyLine)	Loads RSA public key by parsing the OpenSSH format that it uses in ~/.ssh/authorized_keys

Methods inherited from class java.lang.Object

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

Constructor Details

RSAPublicKeyUtil

public RSAPublicKeyUtil()

Method Details

readPublicKey

public static PublicKey readPublicKey(String keyLine)
                               throws GeneralSecurityException

Loads RSA public key by parsing the OpenSSH format that it uses in ~/.ssh/authorized_keys

Throws:

IllegalArgumentException - If the input line doesn't follow the expected format.

GeneralSecurityException

getFingerPrint

public static String getFingerPrint(PublicKey key)
                             throws GeneralSecurityException

Gets RSA key fingerprint in the form of "f7:7a:42:76:79:e8:8a:1a:4a:32:0c:b3:f9:3b:53:d4"

Throws:

GeneralSecurityException

getEC2FingerPrint

public static String getEC2FingerPrint(Key publicKey)
                                throws GeneralSecurityException

Gets RSA key fingerprint in the form EC2 does, which is different from how OpenSSH does.

Throws:

GeneralSecurityException

encode

public static byte[] encode(PublicKey key)
                     throws GeneralSecurityException

Encodes RSA/DSA public keys into the OpenSSH format.

Throws:

GeneralSecurityException