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Kryptel/Java

				

				
				

					


	
IHashFunction interface


	


Contents






	

	
		
Declaration


		
package com.kryptel.hash_function;

public interface IHashFunction {
  void Init() throws Exception;
  void Hash(byte[] src, int start, int len) throws Exception;
  byte[] Done() throws Exception;
}


	



	

	
		
Description

	
		

		    This interface is used for hashing data stream of arbitrary length.
		

		
		
		
Init

		
		
void Init() throws Exception;

		
		

			Initializes the hash function and prepares it for a new session.
		

		
		
		
Hash

		
		
void Hash(byte[] src, int start, int len) throws Exception;

		
		

			Hashes len bytes of data in
			src at position start.
		

		
		
		
Done

		
		
byte[] Done() throws Exception;

		
		

			Finishes processing, resets the hash function to the idle state, and
			returns the computed digest.