Package de.sg_o.app.miio.base

Class Token

java.lang.Object

de.sg_o.app.miio.base.Token

All Implemented Interfaces:

java.io.Serializable

public class Token
extends java.lang.Object
implements java.io.Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
Token(byte[] token)	Create a token from a byte array.
Token(java.lang.String token, int fallbackLength)	Generate a token from a string of hexadecimal values.

Method Summary

Modifier and Type	Method	Description
boolean	checkToken()
byte[]	decrypt(byte[] msg)	Decrypt a message with this token.
byte[]	encrypt(byte[] msg)	Encrypt a message with this token.
boolean	equals(java.lang.Object o)
byte[]	getIv()
byte[]	getMd5()
byte[]	getToken()	Get the token as a byte array.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Token

public Token(byte[] token)

Create a token from a byte array.

Parameters:

token - The byte array to use.

Token

public Token(java.lang.String token,
             int fallbackLength)

Generate a token from a string of hexadecimal values.

Parameters:

token - The value tho convert.

fallbackLength - If the conversion fails a token of 0s with this length will be generated.

Method Detail

getToken

public byte[] getToken()

Get the token as a byte array.

Returns:

The token as a byte array.

checkToken

public boolean checkToken()

Returns:

Check whether the tokens length matches the expected length.

getMd5

public byte[] getMd5()
              throws java.security.NoSuchAlgorithmException

Returns:

The md5 checksum of the token.

Throws:

java.security.NoSuchAlgorithmException - When the platform doesn't support the md5 algorithm.

getIv

public byte[] getIv()
             throws java.security.NoSuchAlgorithmException

Returns:

The initial value for encryption.

Throws:

java.security.NoSuchAlgorithmException - When the platform doesn't support the md5 algorithm.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

encrypt

public byte[] encrypt(byte[] msg)

Encrypt a message with this token.

Parameters:

msg - The message to encrypt.

Returns:

The encrypted message. Null if encryption failed.

decrypt

public byte[] decrypt(byte[] msg)

Decrypt a message with this token.

Parameters:

msg - The message to decrypt.

Returns:

The encrypted message. Null if decryption failed.