File	Doc	Category	Size	Date	Package
Mac.java	API Doc	Android 1.5 API	2265	Wed May 06 22:41:06 BST 2009	org.bouncycastle.crypto

Mac

Fields Summary

Constructors Summary

Methods Summary
public int	doFinal(byte[] out, int outOff) Compute the final statge of the MAC writing the output to the out parameter. doFinal leaves the MAC in the same state it was after the last init. param out the array the MAC is to be output to. param outOff the offset into the out buffer the output is to start at. exception DataLengthException if there isn't enough space in out. exception IllegalStateException if the MAC is not initialised.
public java.lang.String	getAlgorithmName() Return the name of the algorithm the MAC implements. return the name of the algorithm the MAC implements.
public int	getMacSize() Return the block size for this MAC (in bytes). return the block size for this MAC in bytes.
public void	init(CipherParameters params) Initialise the MAC. param params the key and other data required by the MAC. exception IllegalArgumentException if the params argument is inappropriate.
public void	reset() Reset the MAC. At the end of resetting the MAC should be in the in the same state it was after the last init (if there was one).
public void	update(byte in) add a single byte to the mac for processing. param in the byte to be processed. exception IllegalStateException if the MAC is not initialised.
public void	update(byte[] in, int inOff, int len) param in the array containing the input. param inOff the index in the array the data begins at. param len the length of the input starting at inOff. exception IllegalStateException if the MAC is not initialised. exception DataLengthException if there isn't enough data in in.