Aes (nica-java 1.0-alpha-3 API)

java.lang.Object
- com.googlecode.jinahya.nica.util.Aes

Direct Known Subclasses:

AesBC, AesJCE
```
public abstract class Aes
extends Object
```
An abstract class for AES encryption/decryption.

Author:

Jin Kwon

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`ALGORITHM` Cipher algorithm.
`static int`	`BLOCK_SIZE` AES block size in bits.
`static int`	`BLOCK_SIZE_IN_BYTES` AES block size in bytes.
`static int`	`KEY_SIZE` Key size in bits.
`static int`	`KEY_SIZE_IN_BYTES` Key size in bytes.
`static String`	`MODE` Cipher mode.
`static String`	`PADDING` Cipher padding.
`static String`	`TRANSFORMATION` Cipher transformation.

Constructor Summary

Constructors
Constructor and Description

Aes()

Constructors
Constructor and Description
`Aes()`

Method Summary

Methods
Modifier and Type	Method and Description
`abstract byte[]`	`decrypt(byte[] iv, byte[] encrypted)` Decrypts given `encrypted`.
`abstract byte[]`	`encrypt(byte[] iv, byte[] decrypted)` Encrypts given `decrypted`.
`static byte[]`	`newIv()` Generates a new initialization vector.
`static Aes`	`synchronizedAes(Aes aes)` Returns a synchronized (thread-safe) aes backed by the specified aes.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - KEY_SIZE
```
public static final int KEY_SIZE
```
    Key size in bits.
    
    See Also:
    Constant Field Values
  - KEY_SIZE_IN_BYTES
```
public static final int KEY_SIZE_IN_BYTES
```
    Key size in bytes.
    
    See Also:
    Constant Field Values
  - BLOCK_SIZE
```
public static final int BLOCK_SIZE
```
    AES block size in bits.
    
    See Also:
    Constant Field Values
  - BLOCK_SIZE_IN_BYTES
```
public static final int BLOCK_SIZE_IN_BYTES
```
    AES block size in bytes.
    
    See Also:
    Constant Field Values
  - ALGORITHM
```
public static final String ALGORITHM
```
    Cipher algorithm.
    
    See Also:
    Constant Field Values
  - MODE
```
public static final String MODE
```
    Cipher mode.
    
    See Also:
    Constant Field Values
  - PADDING
```
public static final String PADDING
```
    Cipher padding.
    
    See Also:
    Constant Field Values
  - TRANSFORMATION
```
public static final String TRANSFORMATION
```
    Cipher transformation.
    
    See Also:
    Constant Field Values
- Constructor Detail
  - Aes
```
public Aes()
```
- Method Detail
  - newIv
```
public static byte[] newIv()
```
    Generates a new initialization vector. This method is not intended to be used in production stage.
    
    Returns:
    a new initialization vector
  - synchronizedAes
```
public static Aes synchronizedAes(Aes aes)
```
    Returns a synchronized (thread-safe) aes backed by the specified aes.
    
    Parameters:
    aes - the aes to be "wrapped" in a synchronized aes.
    
    Returns:
    a synchronized view of the specified aes.
  - encrypt
```
public abstract byte[] encrypt(byte[] iv,
             byte[] decrypted)
```
    Encrypts given decrypted.
    
    Parameters:
    iv - initialization vector
    decrypted - the bytes to encrypt
    
    Returns:
    encrypted output
  - decrypt
```
public abstract byte[] decrypt(byte[] iv,
             byte[] encrypted)
```
    Decrypts given encrypted.
    
    Parameters:
    iv - initialization vector
    encrypted - the bytes to decrypt
    
    Returns:
    decrypted output

Class Aes

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

KEY_SIZE

KEY_SIZE_IN_BYTES

BLOCK_SIZE

BLOCK_SIZE_IN_BYTES

ALGORITHM

MODE

PADDING

TRANSFORMATION

Constructor Detail

Aes

Method Detail

newIv

synchronizedAes

encrypt

decrypt