com.aelitis.azureus.core.security.impl
Class CryptoHandlerECC

java.lang.Object
  com.aelitis.azureus.core.security.impl.CryptoHandlerECC

All Implemented Interfaces:

CryptoHandler

public class CryptoHandlerECC
extends java.lang.Object
implements CryptoHandler

Constructor Summary

protected

CryptoHandlerECC(CryptoManagerImpl _manager, int _instance_id)

Method Summary

protected boolean	checkKeysOK(java.lang.String reason)
protected java.security.Key[]	createAndStoreKeys(CryptoManagerImpl.passwordDetails password_details)
protected java.security.Key[]	createAndStoreKeys(java.lang.String reason)
byte[]	decrypt(byte[] other_public_key, byte[] data, java.lang.String reason)
byte[]	encrypt(byte[] other_public_key, byte[] data, java.lang.String reason)
java.lang.String	exportKeys()
protected int	getCurrentPasswordType()
int	getDefaultPasswordHandlerType()
byte[]	getEncryptedPrivateKey(java.lang.String reason)
protected java.security.PrivateKey	getMyPrivateKey(java.lang.String reason)
protected java.security.PublicKey	getMyPublicKey(java.lang.String reason, boolean create_if_needed)
byte[]	getPublicKey(java.lang.String reason)
CryptoSTSEngine	getSTSEngine(java.security.PublicKey public_key, java.security.PrivateKey private_key)
CryptoSTSEngine	getSTSEngine(java.lang.String reason)
int	getType()
int	getUnlockTimeoutSeconds()
boolean	importKeys(java.lang.String str)
boolean	isUnlocked()
void	lock() Puts the handler back into a state where password will be required to access private stuff
byte[]	peekPublicKey()
void	recoverKeys(byte[] public_key, byte[] encrypted_private_key_and_type)
void	resetKeys(java.lang.String reason)
void	setDefaultPasswordHandlerType(int new_type)
void	setUnlockTimeoutSeconds(int secs)
byte[]	sign(byte[] data, java.lang.String reason)
void	unlock() Explicit unlock request
boolean	verify(byte[] public_key, byte[] data, byte[] signature)
boolean	verifyPublicKey(byte[] encoded)

Methods inherited from class java.lang.Object

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

Constructor Detail

CryptoHandlerECC

protected CryptoHandlerECC(CryptoManagerImpl _manager,
                           int _instance_id)

Method Detail

getType

public int getType()

Specified by:

getType in interface CryptoHandler

unlock

public void unlock()
            throws CryptoManagerException

Description copied from interface: CryptoHandler

Explicit unlock request

Specified by:

unlock in interface CryptoHandler

Throws:

CryptoManagerException

isUnlocked

public boolean isUnlocked()

Specified by:

isUnlocked in interface CryptoHandler

lock

public void lock()

Description copied from interface: CryptoHandler

Puts the handler back into a state where password will be required to access private stuff

Specified by:

lock in interface CryptoHandler

getUnlockTimeoutSeconds

public int getUnlockTimeoutSeconds()

Specified by:

getUnlockTimeoutSeconds in interface CryptoHandler

setUnlockTimeoutSeconds

public void setUnlockTimeoutSeconds(int secs)

Specified by:

setUnlockTimeoutSeconds in interface CryptoHandler

Parameters:

secs - 0-> infinite

sign

public byte[] sign(byte[] data,
                   java.lang.String reason)
            throws CryptoManagerException

Specified by:

sign in interface CryptoHandler

Throws:

CryptoManagerException

verify

public boolean verify(byte[] public_key,
                      byte[] data,
                      byte[] signature)
               throws CryptoManagerException

Specified by:

verify in interface CryptoHandler

Throws:

CryptoManagerException

encrypt

public byte[] encrypt(byte[] other_public_key,
                      byte[] data,
                      java.lang.String reason)
               throws CryptoManagerException

Specified by:

encrypt in interface CryptoHandler

Throws:

CryptoManagerException

decrypt

public byte[] decrypt(byte[] other_public_key,
                      byte[] data,
                      java.lang.String reason)
               throws CryptoManagerException

Specified by:

decrypt in interface CryptoHandler

Throws:

CryptoManagerException

getSTSEngine

public CryptoSTSEngine getSTSEngine(java.lang.String reason)
                             throws CryptoManagerException

Specified by:

getSTSEngine in interface CryptoHandler

Throws:

CryptoManagerException

getSTSEngine

public CryptoSTSEngine getSTSEngine(java.security.PublicKey public_key,
                                    java.security.PrivateKey private_key)
                             throws CryptoManagerException

Specified by:

getSTSEngine in interface CryptoHandler

Throws:

CryptoManagerException

peekPublicKey

public byte[] peekPublicKey()

Specified by:

peekPublicKey in interface CryptoHandler

getPublicKey

public byte[] getPublicKey(java.lang.String reason)
                    throws CryptoManagerException

Specified by:

getPublicKey in interface CryptoHandler

Throws:

CryptoManagerException

getEncryptedPrivateKey

public byte[] getEncryptedPrivateKey(java.lang.String reason)
                              throws CryptoManagerException

Specified by:

getEncryptedPrivateKey in interface CryptoHandler

Throws:

CryptoManagerException

recoverKeys

public void recoverKeys(byte[] public_key,
                        byte[] encrypted_private_key_and_type)
                 throws CryptoManagerException

Specified by:

recoverKeys in interface CryptoHandler

Throws:

CryptoManagerException

resetKeys

public void resetKeys(java.lang.String reason)
               throws CryptoManagerException

Specified by:

resetKeys in interface CryptoHandler

Throws:

CryptoManagerException

getMyPrivateKey

protected java.security.PrivateKey getMyPrivateKey(java.lang.String reason)
                                            throws CryptoManagerException

Throws:

CryptoManagerException

checkKeysOK

protected boolean checkKeysOK(java.lang.String reason)
                       throws CryptoManagerException

Throws:

CryptoManagerException

getMyPublicKey

protected java.security.PublicKey getMyPublicKey(java.lang.String reason,
                                                 boolean create_if_needed)
                                          throws CryptoManagerException

Throws:

CryptoManagerException

getDefaultPasswordHandlerType

public int getDefaultPasswordHandlerType()

Specified by:

getDefaultPasswordHandlerType in interface CryptoHandler

setDefaultPasswordHandlerType

public void setDefaultPasswordHandlerType(int new_type)
                                   throws CryptoManagerException

Specified by:

setDefaultPasswordHandlerType in interface CryptoHandler

Throws:

CryptoManagerException

createAndStoreKeys

protected java.security.Key[] createAndStoreKeys(java.lang.String reason)
                                          throws CryptoManagerException

Throws:

CryptoManagerException

createAndStoreKeys

protected java.security.Key[] createAndStoreKeys(CryptoManagerImpl.passwordDetails password_details)
                                          throws CryptoManagerException

Throws:

CryptoManagerException

verifyPublicKey

public boolean verifyPublicKey(byte[] encoded)

Specified by:

verifyPublicKey in interface CryptoHandler

exportKeys

public java.lang.String exportKeys()
                            throws CryptoManagerException

Specified by:

exportKeys in interface CryptoHandler

Throws:

CryptoManagerException

importKeys

public boolean importKeys(java.lang.String str)
                   throws CryptoManagerException

Specified by:

importKeys in interface CryptoHandler

Returns:

true if an Azureus restart is required

Throws:

CryptoManagerException

getCurrentPasswordType

protected int getCurrentPasswordType()