RSAPublicKeyUtil (Utility around Java Crypto API 1.9 API)

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

All Methods Static Methods Concrete Methods
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 Detail
  - RSAPublicKeyUtil
```
public RSAPublicKeyUtil()
```
- Method Detail
  - 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