com.sshtools.common.ssh.components.jce

Class OpenSshRsaCertificate

java.lang.Object

com.sshtools.common.publickey.OpenSshCertificate

com.sshtools.common.ssh.components.jce.OpenSshRsaCertificate

All Implemented Interfaces:

SshPublicKey, SshRsaPublicKey, SecureComponent

public class OpenSshRsaCertificate
extends OpenSshCertificate
implements SshRsaPublicKey

A RSA public key implementation which uses a JCE provider.

Author:

Lee David Painter

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	SSH_RSA_CERT_V01

Fields inherited from class com.sshtools.common.publickey.OpenSshCertificate

OPTION_FORCE_COMMAND, OPTION_SOURCE_ADDRESS, PERMIT_AGENT_FORWARDING, PERMIT_PORT_FORWARDING, PERMIT_USER_PTY, PERMIT_USER_RC, PERMIT_X11_FORWARDING, publicKey, SSH_CERT_TYPE_HOST, SSH_CERT_TYPE_USER

Constructor Summary

Constructors

Constructor and Description
OpenSshRsaCertificate() Default constructor for initializing the key from a byte array using the init method.
OpenSshRsaCertificate(java.math.BigInteger modulus, java.math.BigInteger publicExponent)
OpenSshRsaCertificate(java.security.interfaces.RSAPublicKey pubKey)

Method Summary

Modifier and Type	Method and Description
protected void	decodePublicKey(com.sshtools.common.util.ByteArrayReader reader)
java.math.BigInteger	doPublic(java.math.BigInteger input)
boolean	equals(java.lang.Object obj)
java.lang.String	getAlgorithm() Get the algorithm name for the public key.
int	getBitLength() Get the bit length of the public key
java.security.PublicKey	getJCEPublicKey() Return the JCE component for this key.
java.math.BigInteger	getModulus()
int	getPriority()
java.math.BigInteger	getPublicExponent()
SecurityLevel	getSecurityLevel()
java.lang.String	getSigningAlgorithm() The algorithm name expected to be encoded in SSH signatures
int	getVersion()
int	hashCode()
java.lang.String	test() Test the JCE for algorithm availability.
boolean	verifySignature(byte[] signature, byte[] data) Verify the signature.

Methods inherited from class com.sshtools.common.publickey.OpenSshCertificate

decodeCertificate, encodeCertificate, getCriticalOptions, getCriticalOptionsList, getEncoded, getEncodingAlgorithm, getExtension, getExtensions, getExtensionsList, getExtensionsMap, getFingerprint, getForcedCommand, getKeyId, getPrincipals, getSerial, getSignedBy, getSignedKey, getSourceAddresses, getType, getValidAfter, getValidBefore, init, isForceCommand, isHostCertificate, isUserCertificate, sign

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sshtools.common.ssh.components.SshPublicKey

getEncoded, getEncodingAlgorithm, getFingerprint, init, isCertificate

Field Detail

SSH_RSA_CERT_V01

public static final java.lang.String SSH_RSA_CERT_V01

See Also:

Constant Field Values

Constructor Detail

OpenSshRsaCertificate

public OpenSshRsaCertificate()

Default constructor for initializing the key from a byte array using the init method.

OpenSshRsaCertificate

public OpenSshRsaCertificate(java.security.interfaces.RSAPublicKey pubKey)

OpenSshRsaCertificate

public OpenSshRsaCertificate(java.math.BigInteger modulus,
                             java.math.BigInteger publicExponent)
                      throws java.security.NoSuchAlgorithmException,
                             java.security.spec.InvalidKeySpecException

Throws:

java.security.NoSuchAlgorithmException

java.security.spec.InvalidKeySpecException

Method Detail

getSecurityLevel

public SecurityLevel getSecurityLevel()

Specified by:

getSecurityLevel in interface SecureComponent

getPriority

public int getPriority()

Specified by:

getPriority in interface SecureComponent

getBitLength

public int getBitLength()

Description copied from interface: SshPublicKey

Get the bit length of the public key

Specified by:

getBitLength in interface SshPublicKey

Returns:

the bit length of the public key

decodePublicKey

protected void decodePublicKey(com.sshtools.common.util.ByteArrayReader reader)
                        throws java.io.IOException,
                               SshException

Specified by:

decodePublicKey in class OpenSshCertificate

Throws:

java.io.IOException

SshException

getAlgorithm

public java.lang.String getAlgorithm()

Description copied from interface: SshPublicKey

Get the algorithm name for the public key.

Specified by:

getAlgorithm in interface SshPublicKey

Specified by:

getAlgorithm in interface SecureComponent

Returns:

the algorithm name, for example "ssh-dss"

verifySignature

public boolean verifySignature(byte[] signature,
                               byte[] data)
                        throws SshException

Description copied from interface: SshPublicKey

Verify the signature.

Specified by:

verifySignature in interface SshPublicKey

Returns:

true if the signature was produced by the corresponding private key that owns this public key, otherwise false.

Throws:

SshException

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getVersion

public int getVersion()

Specified by:

getVersion in interface SshRsaPublicKey

getJCEPublicKey

public java.security.PublicKey getJCEPublicKey()

Description copied from interface: SshPublicKey

Return the JCE component for this key.

Specified by:

getJCEPublicKey in interface SshPublicKey

Specified by:

getJCEPublicKey in interface SshRsaPublicKey

Returns:

test

public java.lang.String test()

Description copied from interface: SshPublicKey

Test the JCE for algorithm availability.

Specified by:

test in interface SshPublicKey

Returns:

getSigningAlgorithm

public java.lang.String getSigningAlgorithm()

Description copied from interface: SshPublicKey

The algorithm name expected to be encoded in SSH signatures

Specified by:

getSigningAlgorithm in interface SshPublicKey

getModulus

public java.math.BigInteger getModulus()

Specified by:

getModulus in interface SshRsaPublicKey

getPublicExponent

public java.math.BigInteger getPublicExponent()

Specified by:

getPublicExponent in interface SshRsaPublicKey

doPublic

public java.math.BigInteger doPublic(java.math.BigInteger input)
                              throws SshException

Specified by:

doPublic in interface SshRsaPublicKey

Throws:

SshException