Examples with Key de.flexiprovider.api.keys.Key used on opensource projects

Example 1 with Key

use of de.flexiprovider.api.keys.Key in project core by jcryptool.

the class AbstractKeyNodeContentProvider method getCipherElements.

private List<TableEntry> getCipherElements(Object inputElement) {
    Key key = (Key) inputElement;
    if (key == null)
        return null;
    List<TableEntry> cipherElements = new ArrayList<TableEntry>();
    try {
        Cipher cipher = Registry.getCipher(key.getAlgorithm());
        if (cipher.getIV() != null)
            cipherElements.add(new TableEntry(Messages.AbstractKeyNodeContentProvider_InitVector, cipher.getIV().toString()));
        if (cipher.getBlockSize() != 0)
            cipherElements.add(new TableEntry(Messages.AbstractKeyNodeContentProvider_BlockSize, Integer.toString(cipher.getBlockSize())));
        try {
            cipherElements.add(new TableEntry(Messages.AbstractKeyNodeContentProvider_CipherKeySize, Integer.toString(cipher.getKeySize(key))));
        } catch (InvalidKeyException ex) {
            LogUtil.logError(ex);
        }
    } catch (NoSuchAlgorithmException e) {
        return cipherElements;
    }
    return cipherElements;
}

Example 2 with Key

use of de.flexiprovider.api.keys.Key in project core by jcryptool.

the class AsymmetricBlockCipherEngine method init.

@Override
public KeyObject init(IFlexiProviderOperation operation) {
    // $NON-NLS-1$
    LogUtil.logInfo("initializing asymmetric block cipher engine");
    this.operation = operation;
    char[] password = null;
    Key key = null;
    try {
        cipher = Registry.getAsymmetricBlockCipher(operation.getAlgorithmDescriptor().getAlgorithmName());
        if (operation.getOperation().equals(OperationType.ENCRYPT)) {
            Certificate certificate = KeyStoreManager.getInstance().getCertificate(operation.getKeyStoreAlias());
            key = (Key) certificate.getPublicKey();
            cipher.initEncrypt(key, operation.getAlgorithmDescriptor().getAlgorithmParameterSpec(), FlexiProviderEnginesPlugin.getSecureRandom());
        } else {
            // password may be contained in the ActionItem, otherwise prompt
            if (operation.getPassword() != null) {
                password = operation.getPassword();
            } else {
                password = promptPassword();
            }
            if (password == null) {
                return null;
            }
            key = (Key) KeyStoreManager.getInstance().getPrivateKey(operation.getKeyStoreAlias(), password);
            cipher.initDecrypt(key, operation.getAlgorithmDescriptor().getAlgorithmParameterSpec());
        }
        // save in the operation if no exception occurred
        operation.setPassword(password);
        initialized = true;
    } catch (NoSuchAlgorithmException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, // $NON-NLS-1$
        "NoSuchAlgorithmException while initializing an asymmetric block cipher engine", e, true);
        return null;
    } catch (InvalidKeyException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.AsymmetricBlockCipherEngine_1, e, true);
        return null;
    } catch (InvalidAlgorithmParameterException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, // $NON-NLS-1$
        "InvalidAlgorithmParameterException while initializing an asymmetric block cipher engine", e, true);
        return null;
    } catch (UnrecoverableEntryException e) {
        JCTMessageDialog.showInfoDialog(new Status(IStatus.INFO, FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.ExAccessKeystorePassword, e));
        return null;
    } catch (Exception ex) {
        LogUtil.logError(ex);
        return null;
    }
    return new KeyObject(key, password);
}

Example 3 with Key

use of de.flexiprovider.api.keys.Key in project core by jcryptool.

the class AsymmetricHybridCipherEngine method init.

@Override
public KeyObject init(IFlexiProviderOperation operation) {
    // $NON-NLS-1$
    LogUtil.logInfo("initializing asymmetric hybrid cipher engine");
    this.operation = operation;
    char[] password = null;
    Key key = null;
    try {
        cipher = Registry.getAsymmetricHybridCipher(operation.getAlgorithmDescriptor().getAlgorithmName());
        if (operation.getOperation().equals(OperationType.DECRYPT)) {
            // password may be contained in the ActionItem, otherwise prompt
            if (operation.getPassword() != null) {
                password = operation.getPassword();
            } else {
                password = promptPassword();
            }
            if (password == null) {
                return null;
            }
            key = (Key) KeyStoreManager.getInstance().getPrivateKey(operation.getKeyStoreAlias(), password);
            cipher.initDecrypt(key, operation.getAlgorithmDescriptor().getAlgorithmParameterSpec());
        } else {
            Certificate certificate = KeyStoreManager.getInstance().getCertificate(operation.getKeyStoreAlias());
            key = (Key) certificate.getPublicKey();
            cipher.initEncrypt(key, operation.getAlgorithmDescriptor().getAlgorithmParameterSpec(), FlexiProviderEnginesPlugin.getSecureRandom());
        }
        // save in the operation if no exception occurred
        operation.setPassword(password);
        initialized = true;
    } catch (NoSuchAlgorithmException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "NoSuchAlgorithmException while initializing a cipher engine", e, // $NON-NLS-1$
        true);
        return null;
    } catch (InvalidKeyException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.AsymmetricHybridCipherEngine_1, e, true);
        return null;
    } catch (InvalidAlgorithmParameterException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "InvalidAlgorithmParameterException while initializing a cipher engine", e, // $NON-NLS-1$
        true);
        return null;
    } catch (UnrecoverableEntryException e) {
        JCTMessageDialog.showInfoDialog(new Status(IStatus.INFO, FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.ExAccessKeystorePassword, e));
        return null;
    } catch (UnsupportedOperationException e) {
        LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "UnsupportedOperationException while initializing a cipher engine", e, // $NON-NLS-1$
        true);
        return null;
    } catch (Exception e) {
        LogUtil.logError(e);
        return null;
    }
    return new KeyObject(key, password);
}

Example 4 with Key

use of de.flexiprovider.api.keys.Key in project core by jcryptool.

the class BlockCipherEngine method init.

@Override
public KeyObject init(IFlexiProviderOperation operation) {
    // $NON-NLS-1$
    LogUtil.logInfo("initializing block cipher engine");
    this.operation = operation;
    char[] password = new char[4];
    Key key = null;
    if (operation.useCustomKey()) {
        try {
            SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(operation.getAlgorithmDescriptor().getAlgorithmName(), // $NON-NLS-1$
            "FlexiCore");
            SecretKeySpec keySpec = new SecretKeySpec(operation.getKeyBytes(), operation.getAlgorithmDescriptor().getAlgorithmName());
            key = (Key) secretKeyFactory.generateSecret(keySpec);
        } catch (Exception e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "Exception while creating key", e, // $NON-NLS-1$
            true);
            return null;
        }
    } else {
        // password may be contained in the ActionItem, otherwise prompt
        if (operation.getPassword() != null) {
            password = operation.getPassword();
        } else {
            password = promptPassword();
        }
        if (password != null) {
            try {
                key = (Key) KeyStoreManager.getInstance().getSecretKey(operation.getKeyStoreAlias(), password);
                // save in the operation if no exception occurred
                operation.setPassword(password);
            } catch (UnrecoverableEntryException e) {
                JCTMessageDialog.showInfoDialog(new Status(IStatus.INFO, FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.ExAccessKeystorePassword, e));
                return null;
            } catch (Exception e) {
                LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "Exception while accessing a secret key", e, // $NON-NLS-1$
                true);
                return null;
            }
        }
    }
    if (key != null) {
        try {
            String fullCipherName = // Name of algorithm
            operation.getAlgorithmDescriptor().getAlgorithmName() + // $NON-NLS-1$
            "/" + // Name of mode
            ((BlockCipherDescriptor) operation.getAlgorithmDescriptor()).getMode() + // $NON-NLS-1$
            "/" + // Name of padding
            ((BlockCipherDescriptor) operation.getAlgorithmDescriptor()).getPadding();
            cipher = Registry.getBlockCipher(fullCipherName);
            if (operation.getOperation().equals(OperationType.ENCRYPT)) {
                ((BlockCipher) cipher).initEncrypt(key, ((BlockCipherDescriptor) operation.getAlgorithmDescriptor()).getModeParameters(), operation.getAlgorithmDescriptor().getAlgorithmParameterSpec(), FlexiProviderEnginesPlugin.getSecureRandom());
            } else {
                ((BlockCipher) cipher).initDecrypt(key, ((BlockCipherDescriptor) operation.getAlgorithmDescriptor()).getModeParameters(), operation.getAlgorithmDescriptor().getAlgorithmParameterSpec());
            }
            initialized = true;
        } catch (NoSuchAlgorithmException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "NoSuchAlgorithmException while initializing a block cipher engine", e, // $NON-NLS-1$
            true);
            return null;
        } catch (NoSuchPaddingException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "NoSuchPaddingException while initializing a block cipher engine", e, // $NON-NLS-1$
            true);
            return null;
        } catch (InvalidKeyException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.BlockCipherEngine_5, e, true);
            return null;
        } catch (InvalidAlgorithmParameterException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "InvalidAlgorithmParameterException while initializing a block cipher engine", e, // $NON-NLS-1$
            true);
            return null;
        }
    }
    return new KeyObject(key, password);
}

Example 5 with Key

use of de.flexiprovider.api.keys.Key in project core by jcryptool.

the class MacEngine method init.

@Override
public KeyObject init(IFlexiProviderOperation operation) {
    // $NON-NLS-1$
    LogUtil.logInfo("initializing mac engine");
    this.operation = operation;
    char[] password = null;
    Key key = null;
    // password may be contained in the ActionItem, otherwise prompt
    if (operation.getPassword() != null) {
        password = operation.getPassword();
    } else if (!operation.useCustomKey()) {
        // farndt - prompt only if custom key is not to be used
        password = promptPassword();
    }
    if (password != null && !operation.useCustomKey()) {
        try {
            key = (Key) KeyStoreManager.getInstance().getSecretKey(operation.getKeyStoreAlias(), password);
            // save in the operation if no exception occurred
            operation.setPassword(password);
        } catch (UnrecoverableEntryException e) {
            JCTMessageDialog.showInfoDialog(new Status(IStatus.INFO, FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.ExAccessKeystorePassword, e));
            return null;
        } catch (Exception e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "Exception while accessing a secret key", e, // $NON-NLS-1$
            true);
            return null;
        }
    } else {
        // farndt - use custom key
        key = new CustomKey(operation.getKeyBytes());
    }
    if (key != null) {
        try {
            mac = Registry.getMAC(operation.getAlgorithmDescriptor().getAlgorithmName());
            AlgorithmParameterSpec spec = operation.getAlgorithmDescriptor().getAlgorithmParameterSpec();
            if (spec != null) {
                mac.init((SecretKey) key, spec);
            } else {
                mac.init((SecretKey) key);
            }
            initialized = true;
        } catch (NoSuchAlgorithmException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "NoSuchAlgorithmException while initializing a mac", e, // $NON-NLS-1$
            true);
            return null;
        } catch (InvalidKeyException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, Messages.MacEngine_2, e, true);
            return null;
        } catch (InvalidAlgorithmParameterException e) {
            LogUtil.logError(FlexiProviderEnginesPlugin.PLUGIN_ID, "InvalidAlgorithmParameterException while initializing a mac", e, // $NON-NLS-1$
            true);
            return null;
        }
    }
    return new KeyObject(key, password);
}