Package com.sshtools.common.ssh.components.jce

Class OpenSshRsaSha256Certificate

java.lang.Object

com.sshtools.common.publickey.OpenSshCertificate

com.sshtools.common.ssh.components.jce.OpenSshRsaSha256Certificate

All Implemented Interfaces:

Component, SshPublicKey, SshRsaPublicKey, SecureComponent

public class OpenSshRsaSha256Certificate
extends OpenSshCertificate
implements SshRsaPublicKey

A RSA public key implementation which uses a JCE provider.

Author:

Lee David Painter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OpenSshRsaSha256Certificate.OpenSshRsaSha256CertificateFactory

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SSH_RSA_SHA2_256_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	Description
OpenSshRsaSha256Certificate()	Default constructor for initializing the key from a byte array using the init method.
OpenSshRsaSha256Certificate(BigInteger modulus, BigInteger publicExponent)
OpenSshRsaSha256Certificate(RSAPublicKey pubKey)

Method Summary

Modifier and Type	Method	Description
protected void	decodePublicKey(com.sshtools.common.util.ByteArrayReader reader)
BigInteger	doPublic(BigInteger input)
boolean	equals(Object obj)
String	getAlgorithm()	Get the algorithm name for the public key.
int	getBitLength()	Get the bit length of the public key
String	getEncodingAlgorithm()	The algorithm name used in the encoding of the public key
PublicKey	getJCEPublicKey()	Return the JCE component for this key.
BigInteger	getModulus()
int	getPriority()
BigInteger	getPublicExponent()
SecurityLevel	getSecurityLevel()
String	getSigningAlgorithm()	The algorithm name expected to be encoded in SSH signatures
int	getVersion()
int	hashCode()
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, getCriticalOptionsList, getEncoded, getExtension, getExtensionsList, getFingerprint, getForcedCommand, getKeyId, getPrincipals, getSerial, getSignedBy, getSignedKey, getSourceAddresses, getType, getValidAfter, getValidBefore, init, isForceCommand, isHostCertificate, isUserCertificate, sign, verify

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, getFingerprint, init, init, isCertificate

Field Details

SSH_RSA_SHA2_256_CERT_V01

public static final String SSH_RSA_SHA2_256_CERT_V01

See Also:

• Constant Field Values

Constructor Details

OpenSshRsaSha256Certificate

public OpenSshRsaSha256Certificate()

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

OpenSshRsaSha256Certificate

public OpenSshRsaSha256Certificate(RSAPublicKey pubKey)

OpenSshRsaSha256Certificate

public OpenSshRsaSha256Certificate(BigInteger modulus,
 BigInteger publicExponent)
                            throws NoSuchAlgorithmException,
InvalidKeySpecException

Throws:

NoSuchAlgorithmException

InvalidKeySpecException

Method Details

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 IOException,
SshException

Specified by:

decodePublicKey in class OpenSshCertificate

Throws:

IOException

SshException

getAlgorithm

public String getAlgorithm()

Description copied from interface: SshPublicKey

Get the algorithm name for the public key.

Specified by:

getAlgorithm in interface SecureComponent

Specified by:

getAlgorithm in interface SshPublicKey

Returns:

the algorithm name, for example "ssh-dss"

getEncodingAlgorithm

public String getEncodingAlgorithm()

Description copied from interface: SshPublicKey

The algorithm name used in the encoding of the public key

Specified by:

getEncodingAlgorithm in interface SshPublicKey

Overrides:

getEncodingAlgorithm in class OpenSshCertificate

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(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getVersion

public int getVersion()

Specified by:

getVersion in interface SshRsaPublicKey

getJCEPublicKey

public 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 String test()

Description copied from interface: SshPublicKey

Test the JCE for algorithm availability.

Specified by:

test in interface SshPublicKey

Returns:

getSigningAlgorithm

public 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 BigInteger getModulus()

Specified by:

getModulus in interface SshRsaPublicKey

getPublicExponent

public BigInteger getPublicExponent()

Specified by:

getPublicExponent in interface SshRsaPublicKey

doPublic

public BigInteger doPublic(BigInteger input)
                    throws SshException

Specified by:

doPublic in interface SshRsaPublicKey

Throws:

SshException