de.intarsys.tools.crypto

Class CryptoEnvironment

java.lang.Object

de.intarsys.tools.crypto.CryptoEnvironment

public class CryptoEnvironment
extends Object

A tool class for handling en/decryption

Method Summary

Methods

Modifier and Type	Method and Description
ICryptdec	createCryptdec(String id) Create an ICryptdec for id.
byte[]	decryptBytes(byte[] bytes) Decrypt a plain byte array which was previously encrypted using encryptBytes.
byte[]	decryptBytes(byte[] bytes, ICryptdec cryptdec) Decrypt a plain byte array which was previously encrypted using encryptBytes using cryptdec.
byte[]	decryptBytesEncoded(String value) Decrypt the encoded, encrypted value created using "encryptBytesEncoded" using the default ICryptdec.
byte[]	decryptBytesEncoded(String value, ICryptdec cryptdec) Decrypt the encoded, encrypted value created using "encryptBytesEncoded" with cryptdec.
String	decryptString(String value) Decrypt a string which was previously encrypted using encryptString, using the default ICryptdec.
String	decryptString(String value, ICryptdec cryptdec) Decrypt a string which was previously encrypted using encryptString, using cryptdec.
String	decryptStringEncoded(String value) Decrypt the encoded, encrypted value created using "encryptStringEncoded" using the default ICryptdec.
String	decryptStringEncoded(String value, ICryptdec cryptdec) Decrypt the encoded, encrypted value created using "encryptStringEncoded" with cryptdec.
byte[]	encryptBytes(byte[] bytes) Encrypt a byte array using the default ICryptdec.
byte[]	encryptBytes(byte[] bytes, ICryptdec cryptdec) Encrypt a byte array using the cryptdec.
String	encryptBytesEncoded(byte[] value) Encrypt the byte array value using the default ICryptdec.
String	encryptBytesEncoded(byte[] bytes, ICryptdec cryptdec) Encrypt a byte array using the cryptdec.
String	encryptCharsEncoded(char[] value) Encrypt the char array value using the default ICryptdec.
String	encryptCharsEncoded(char[] value, ICryptdec cryptdec) Encrypt the char array value using the cryptdec.
String	encryptString(String value) Encrypt a String using the default ICryptdec.
String	encryptString(String value, ICryptdec cryptdec) Encrypt a String using cryptdec.
String	encryptStringEncoded(String value) Encrypt the String value using the default ICryptdec.
String	encryptStringEncoded(String value, ICryptdec cryptdec) Encrypt the String value using the cryptdec.
static CryptoEnvironment	get()
ICryptdecFactory	getDefaultCryptdecFactoryDecrypt()
ICryptdecFactory	getDefaultCryptdecFactoryEncrypt()
void	registerCryptdecFactory(ICryptdecFactory factory)
void	setDefaultCryptdecFactoryDecrypt(ICryptdecFactory factory)
void	setDefaultCryptdecFactoryEncrypt(ICryptdecFactory factory)

Methods inherited from class java.lang.Object

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

Method Detail

get

public static CryptoEnvironment get()

createCryptdec

public ICryptdec createCryptdec(String id)
                         throws IOException

Create an ICryptdec for id.

Parameters:

id -

Returns:

Throws:

IOException

decryptBytes

public byte[] decryptBytes(byte[] bytes)
                    throws IOException

Decrypt a plain byte array which was previously encrypted using encryptBytes. For decryption the default ICryptdec is used.

Parameters:

bytes -

Returns:

The decrypted representation of bytes

Throws:

IOException

decryptBytes

public byte[] decryptBytes(byte[] bytes,
                  ICryptdec cryptdec)
                    throws IOException

Decrypt a plain byte array which was previously encrypted using encryptBytes using cryptdec.

Parameters:

bytes -

Returns:

The decrypted representation of bytes

Throws:

IOException

decryptBytesEncoded

public byte[] decryptBytesEncoded(String value)
                           throws IOException

Decrypt the encoded, encrypted value created using "encryptBytesEncoded" using the default ICryptdec.

Parameters:

value -

Returns:

Throws:

IOException

decryptBytesEncoded

public byte[] decryptBytesEncoded(String value,
                         ICryptdec cryptdec)
                           throws IOException

Decrypt the encoded, encrypted value created using "encryptBytesEncoded" with cryptdec.

Parameters:

value -

cryptdec -

Returns:

Throws:

IOException

decryptString

public String decryptString(String value)
                     throws IOException

Decrypt a string which was previously encrypted using encryptString, using the default ICryptdec.

Parameters:

value -

Returns:

The decrypted representation of value

Throws:

IOException

decryptString

public String decryptString(String value,
                   ICryptdec cryptdec)
                     throws IOException

Decrypt a string which was previously encrypted using encryptString, using cryptdec.

Parameters:

value -

Returns:

The decrypted representation of value

Throws:

IOException

decryptStringEncoded

public String decryptStringEncoded(String value)
                            throws IOException

Decrypt the encoded, encrypted value created using "encryptStringEncoded" using the default ICryptdec. The decrypted data is converted to a String using the UTF-8 encoding.

Parameters:

value -

Returns:

Throws:

IOException

decryptStringEncoded

public String decryptStringEncoded(String value,
                          ICryptdec cryptdec)
                            throws IOException

Decrypt the encoded, encrypted value created using "encryptStringEncoded" with cryptdec. The decrypted data is converted to a String using the UTF-8 encoding.

Parameters:

value -

cryptdec -

Returns:

Throws:

IOException

encryptBytes

public byte[] encryptBytes(byte[] bytes)
                    throws IOException

Encrypt a byte array using the default ICryptdec. The result is the encrypted byte array.

Parameters:

bytes -

Returns:

The encrypted representation of bytes

Throws:

IOException

encryptBytes

public byte[] encryptBytes(byte[] bytes,
                  ICryptdec cryptdec)
                    throws IOException

Encrypt a byte array using the cryptdec. The result is the encrypted byte array.

Parameters:

bytes -

Returns:

The encrypted representation of bytes

Throws:

IOException

encryptBytesEncoded

public String encryptBytesEncoded(byte[] value)
                           throws IOException

Encrypt the byte array value using the default ICryptdec. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

value -

Returns:

Throws:

IOException

encryptBytesEncoded

public String encryptBytesEncoded(byte[] bytes,
                         ICryptdec cryptdec)
                           throws IOException

Encrypt a byte array using the cryptdec. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

bytes -

cryptdec -

Returns:

Throws:

IOException

encryptCharsEncoded

public String encryptCharsEncoded(char[] value)
                           throws IOException

Encrypt the char array value using the default ICryptdec. The char array is converted to a byte array using the UTF-8 encoding. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

value -

Returns:

Throws:

IOException

encryptCharsEncoded

public String encryptCharsEncoded(char[] value,
                         ICryptdec cryptdec)
                           throws IOException

Encrypt the char array value using the cryptdec. The char array is converted to a byte array using the UTF-8 encoding. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

value -

Returns:

Throws:

IOException

encryptString

public String encryptString(String value)
                     throws IOException

Encrypt a String using the default ICryptdec. The result is a Base64 encoded version of the encrypted UTF-8 encoded input bytes.

Parameters:

value -

Returns:

An encrypted, invertible representation of value

Throws:

IOException

encryptString

public String encryptString(String value,
                   ICryptdec cryptdec)
                     throws IOException

Encrypt a String using cryptdec. The result is a Base64 encoded version of the encrypted UTF-8 encoded input bytes.

Parameters:

value -

Returns:

An encrypted, invertible representation of value

Throws:

IOException

encryptStringEncoded

public String encryptStringEncoded(String value)
                            throws IOException

Encrypt the String value using the default ICryptdec. The value converted to a byte array using the UTF-8 encoding. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

value -

Returns:

Throws:

IOException

encryptStringEncoded

public String encryptStringEncoded(String value,
                          ICryptdec cryptdec)
                            throws IOException

Encrypt the String value using the cryptdec. The value converted to a byte array using the UTF-8 encoding. The result is an encoded representation (cryptdec id + "#" + base64(encryption)) of the encrypted data.

Parameters:

value -

Returns:

Throws:

IOException

getDefaultCryptdecFactoryDecrypt

public ICryptdecFactory getDefaultCryptdecFactoryDecrypt()

getDefaultCryptdecFactoryEncrypt

public ICryptdecFactory getDefaultCryptdecFactoryEncrypt()

registerCryptdecFactory

public void registerCryptdecFactory(ICryptdecFactory factory)

setDefaultCryptdecFactoryDecrypt

public void setDefaultCryptdecFactoryDecrypt(ICryptdecFactory factory)

setDefaultCryptdecFactoryEncrypt

public void setDefaultCryptdecFactoryEncrypt(ICryptdecFactory factory)