Package org.jclouds.digitalocean2.ssh

Class ECDSAKeys

java.lang.Object

org.jclouds.digitalocean2.ssh.ECDSAKeys

public class ECDSAKeys
extends Object

Utility methods to work with ECDSA Elliptic Curve DSA keys.

Methods in this class should be moved to the SshKeys class.

See Also:

SshKeys

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ECDSAKeys.EllipticCurves

Field Summary

Fields

Modifier and Type	Field	Description
static String	ECDSA_SHA2_PREFIX

Constructor Summary

Constructors

Constructor	Description
ECDSAKeys()

Method Summary

Modifier and Type	Method	Description
static ECPoint	decodeECPoint(byte[] M, EllipticCurve curve)	Decode an OctetString to EllipticCurvePoint according to SECG 2.3.4
static String	encodeAsOpenSSH(ECPublicKey key)
static byte[]	encodeECPoint(ECPoint group, EllipticCurve curve)	Encode EllipticCurvePoint to an OctetString
static String	fingerprint(ECPublicKey publicKey)	Create a fingerprint per the following spec
static String	fingerprintPublicKey(String publicKeyOpenSSH)
static ECPublicKeySpec	publicKeySpecFromOpenSSH(com.google.common.io.ByteSource supplier)	Returns DSAPublicKeySpec which was OpenSSH Base64 Encoded id_rsa.pub
static ECPublicKeySpec	publicKeySpecFromOpenSSH(String ecDsaPub)	Executes org.jclouds.crypto.Pems#publicKeySpecFromOpenSSH(com.google.common.io.InputSupplier) on the string which was OpenSSH Base64 Encoded id_rsa.pub

Methods inherited from class java.lang.Object

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

Field Detail

ECDSA_SHA2_PREFIX

public static final String ECDSA_SHA2_PREFIX

See Also:

Constant Field Values

Constructor Detail

ECDSAKeys

public ECDSAKeys()

Method Detail

encodeAsOpenSSH

public static String encodeAsOpenSSH(ECPublicKey key)

publicKeySpecFromOpenSSH

public static ECPublicKeySpec publicKeySpecFromOpenSSH(String ecDsaPub)

Executes org.jclouds.crypto.Pems#publicKeySpecFromOpenSSH(com.google.common.io.InputSupplier) on the string which was OpenSSH Base64 Encoded id_rsa.pub

Parameters:

idRsaPub - formatted ssh-dss AAAAB3NzaC1yc2EAAAADAQABAAAB...

See Also:

org.jclouds.crypto.Pems#publicKeySpecFromOpenSSH(com.google.common.io.InputSupplier)

publicKeySpecFromOpenSSH

public static ECPublicKeySpec publicKeySpecFromOpenSSH(com.google.common.io.ByteSource supplier)
                                                throws IOException

Returns DSAPublicKeySpec which was OpenSSH Base64 Encoded id_rsa.pub

Parameters:

supplier - the input stream factory, formatted ssh-dss AAAAB3NzaC1yc2EAAAADAQABAAAB...

Returns:

the DSAPublicKeySpec which was OpenSSH Base64 Encoded id_rsa.pub

Throws:

IOException - if an I/O error occurs

fingerprintPublicKey

public static String fingerprintPublicKey(String publicKeyOpenSSH)
                                   throws IOException

Parameters:

publicKeyOpenSSH - RSA public key in OpenSSH format

Returns:

fingerprint ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

Throws:

IOException

fingerprint

public static String fingerprint(ECPublicKey publicKey)

Create a fingerprint per the following spec

Returns:

hex fingerprint ex. 2b:a9:62:95:5b:8b:1d:61:e0:92:f7:03:10:e9:db:d9

encodeECPoint

public static byte[] encodeECPoint(ECPoint group,
                                   EllipticCurve curve)

Encode EllipticCurvePoint to an OctetString

decodeECPoint

public static ECPoint decodeECPoint(byte[] M,
                                    EllipticCurve curve)

Decode an OctetString to EllipticCurvePoint according to SECG 2.3.4