org.pgpainless.key.protection

Class PassphraseMapKeyRingProtector

java.lang.Object

org.pgpainless.key.protection.PassphraseMapKeyRingProtector

All Implemented Interfaces:

SecretKeyPassphraseProvider, SecretKeyRingProtector

public class PassphraseMapKeyRingProtector
extends Object
implements SecretKeyRingProtector, SecretKeyPassphraseProvider

Implementation of the SecretKeyRingProtector which holds a map of key ids and their passwords. In case the needed passphrase is not contained in the map, the missingPassphraseCallback will be consulted, and the passphrase is added to the map.

Constructor Summary

Constructors

Constructor and Description
PassphraseMapKeyRingProtector(Map<Long,Passphrase> passphrases, KeyRingProtectionSettings protectionSettings, SecretKeyPassphraseProvider missingPassphraseCallback)

Method Summary

Modifier and Type	Method and Description
void	addPassphrase(Long keyId, Passphrase passphrase) Add a passphrase to the cache.
void	forgetPassphrase(Long keyId) Remove a passphrase from the cache.
org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor	getDecryptor(Long keyId) Return a decryptor for the key of id keyId.
org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor	getEncryptor(Long keyId) Return an encryptor for the key of id keyId.
Passphrase	getPassphraseFor(Long keyId) Return a passphrase for the given key.

Methods inherited from class java.lang.Object

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

Constructor Detail

PassphraseMapKeyRingProtector

public PassphraseMapKeyRingProtector(@Nonnull
                                     Map<Long,Passphrase> passphrases,
                                     @Nonnull
                                     KeyRingProtectionSettings protectionSettings,
                                     @Nullable
                                     SecretKeyPassphraseProvider missingPassphraseCallback)

Method Detail

addPassphrase

public void addPassphrase(@Nonnull
                          Long keyId,
                          @Nullable
                          Passphrase passphrase)

Add a passphrase to the cache.

Parameters:

keyId - id of the key

passphrase - passphrase

forgetPassphrase

public void forgetPassphrase(@Nonnull
                             Long keyId)

Remove a passphrase from the cache. The passphrase will be cleared and then removed.

Parameters:

keyId - id of the key

getPassphraseFor

@Nullable
public Passphrase getPassphraseFor(@Nonnull
                                             Long keyId)

Description copied from interface: SecretKeyPassphraseProvider

Return a passphrase for the given key. If no record has been found, return null. Note: In case of an unprotected secret key, this method must may not return null, but a Passphrase with a content of null.

Specified by:

getPassphraseFor in interface SecretKeyPassphraseProvider

Parameters:

keyId - id of the key

Returns:

passphrase or null, if no passphrase record has been found.

getDecryptor

@Nullable
public org.bouncycastle.openpgp.operator.PBESecretKeyDecryptor getDecryptor(@Nonnull
                                                                                      Long keyId)

Description copied from interface: SecretKeyRingProtector

Return a decryptor for the key of id keyId. This method returns null if the key is unprotected.

Specified by:

getDecryptor in interface SecretKeyRingProtector

Parameters:

keyId - id of the key

Returns:

decryptor for the key

getEncryptor

@Nullable
public org.bouncycastle.openpgp.operator.PBESecretKeyEncryptor getEncryptor(@Nonnull
                                                                                      Long keyId)
                                                                               throws org.bouncycastle.openpgp.PGPException

Description copied from interface: SecretKeyRingProtector

Return an encryptor for the key of id keyId. This method returns null if the key is unprotected.

Specified by:

getEncryptor in interface SecretKeyRingProtector

Parameters:

keyId - id of the key

Returns:

encryptor for the key

Throws:

org.bouncycastle.openpgp.PGPException - if the encryptor cannot be created for some reason