Package com.sshtools.common.publickey

Class OpenSshCertificate

java.lang.Object

com.sshtools.common.publickey.OpenSshCertificate

All Implemented Interfaces:

Component, SshPublicKey, SecureComponent

Direct Known Subclasses:

OpenSshEcdsaCertificate, OpenSshEd25519Certificate, OpenSshRsaCertificate, OpenSshRsaSha256Certificate, OpenSshRsaSha512Certificate

public abstract class OpenSshCertificate
extends Object
implements SshPublicKey

To generate a key that supports this use ssh-keygen -s ca_key -I 2 -n lee,kelly -z 12345 -O force-command=ls -O source-address=192.168.82.0/24 -O no-port-forwarding user_key.pub

Author:

lee

Field Summary

Fields

Modifier and Type	Field	Description
static final String	OPTION_FORCE_COMMAND
static final String	OPTION_SOURCE_ADDRESS
static final String	PERMIT_AGENT_FORWARDING
static final String	PERMIT_PORT_FORWARDING
static final String	PERMIT_USER_PTY
static final String	PERMIT_USER_RC
static final String	PERMIT_X11_FORWARDING
protected SshPublicKey	publicKey
static final int	SSH_CERT_TYPE_HOST
static final int	SSH_CERT_TYPE_USER

Constructor Summary

Constructors

Constructor	Description
OpenSshCertificate()

Method Summary

Modifier and Type	Method	Description
protected void	decodeCertificate(com.sshtools.common.util.ByteArrayReader reader)
protected abstract void	decodePublicKey(com.sshtools.common.util.ByteArrayReader reader)
protected void	encodeCertificate(com.sshtools.common.util.ByteArrayWriter writer)
List<CriticalOption>	getCriticalOptionsList()
byte[]	getEncoded()	Encode the public key into a blob of binary data, the encoded result will be passed into init to recreate the key.
String	getEncodingAlgorithm()	The algorithm name used in the encoding of the public key
CertificateExtension	getExtension(String key)
List<CertificateExtension>	getExtensionsList()
final String	getFingerprint()	Return an SSH fingerprint of the public key
String	getForcedCommand()
String	getKeyId()
List<String>	getPrincipals()
com.sshtools.common.util.UnsignedInteger64	getSerial()
SshPublicKey	getSignedBy()
SshPublicKey	getSignedKey()
Set<String>	getSourceAddresses()
int	getType()
Date	getValidAfter()
Date	getValidBefore()
SshPublicKey	init(byte[] blob, int start, int len)	Initialize the public key from a blob of binary data.
boolean	isForceCommand()
boolean	isHostCertificate()
boolean	isUserCertificate()
void	sign(SshPublicKey publicKey, com.sshtools.common.util.UnsignedInteger64 serial, int type, String keyId, List<String> validPrincipals, com.sshtools.common.util.UnsignedInteger64 validAfter, com.sshtools.common.util.UnsignedInteger64 validBefore, List<CriticalOption> criticalOptions, List<CertificateExtension> extensions, SshKeyPair signingKey)
void	verify()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sshtools.common.ssh.SecureComponent

getPriority, getSecurityLevel

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

getAlgorithm, getBitLength, getJCEPublicKey, getSigningAlgorithm, init, isCertificate, test, verifySignature

Field Details

SSH_CERT_TYPE_USER

public static final int SSH_CERT_TYPE_USER

See Also:

• Constant Field Values

SSH_CERT_TYPE_HOST

public static final int SSH_CERT_TYPE_HOST

See Also:

• Constant Field Values

PERMIT_X11_FORWARDING

public static final String PERMIT_X11_FORWARDING

See Also:

• Constant Field Values

PERMIT_PORT_FORWARDING

public static final String PERMIT_PORT_FORWARDING

See Also:

• Constant Field Values

PERMIT_AGENT_FORWARDING

public static final String PERMIT_AGENT_FORWARDING

See Also:

• Constant Field Values

PERMIT_USER_PTY

public static final String PERMIT_USER_PTY

See Also:

• Constant Field Values

PERMIT_USER_RC

public static final String PERMIT_USER_RC

See Also:

• Constant Field Values

OPTION_FORCE_COMMAND

public static final String OPTION_FORCE_COMMAND

See Also:

• Constant Field Values

OPTION_SOURCE_ADDRESS

public static final String OPTION_SOURCE_ADDRESS

See Also:

• Constant Field Values

publicKey

protected SshPublicKey publicKey

Constructor Details

OpenSshCertificate

public OpenSshCertificate()

Method Details

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

isUserCertificate

public boolean isUserCertificate()

isHostCertificate

public boolean isHostCertificate()

getSignedKey

public SshPublicKey getSignedKey()

getFingerprint

public final String getFingerprint()
                            throws SshException

Description copied from interface: SshPublicKey

Return an SSH fingerprint of the public key

Specified by:

getFingerprint in interface SshPublicKey

Returns:

String

Throws:

SshException

init

public SshPublicKey init(byte[] blob,
 int start,
 int len)
                  throws SshException

Description copied from interface: SshPublicKey

Initialize the public key from a blob of binary data.

Specified by:

init in interface SshPublicKey

Throws:

SshException

getEncoded

public byte[] getEncoded()
                  throws SshException

Description copied from interface: SshPublicKey

Encode the public key into a blob of binary data, the encoded result will be passed into init to recreate the key.

Specified by:

getEncoded in interface SshPublicKey

Returns:

an encoded byte array

Throws:

SshException

decodePublicKey

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

Throws:

IOException

SshException

encodeCertificate

protected void encodeCertificate(com.sshtools.common.util.ByteArrayWriter writer)
                          throws IOException,
SshException

Throws:

IOException

SshException

getExtension

public CertificateExtension getExtension(String key)

decodeCertificate

protected void decodeCertificate(com.sshtools.common.util.ByteArrayReader reader)
                          throws IOException,
SshException

Throws:

IOException

SshException

sign

public void sign(SshPublicKey publicKey,
 com.sshtools.common.util.UnsignedInteger64 serial,
 int type,
 String keyId,
 List<String> validPrincipals,
 com.sshtools.common.util.UnsignedInteger64 validAfter,
 com.sshtools.common.util.UnsignedInteger64 validBefore,
 List<CriticalOption> criticalOptions,
 List<CertificateExtension> extensions,
 SshKeyPair signingKey)
          throws SshException

Throws:

SshException

verify

public void verify()
            throws SshException

Throws:

SshException

getSignedBy

public SshPublicKey getSignedBy()

getType

public int getType()

getPrincipals

public List<String> getPrincipals()

getCriticalOptionsList

public List<CriticalOption> getCriticalOptionsList()

getExtensionsList

public List<CertificateExtension> getExtensionsList()

isForceCommand

public boolean isForceCommand()

getForcedCommand

public String getForcedCommand()

getSourceAddresses

public Set<String> getSourceAddresses()

getValidBefore

public Date getValidBefore()

getValidAfter

public Date getValidAfter()

getSerial

public com.sshtools.common.util.UnsignedInteger64 getSerial()

getKeyId

public String getKeyId()