public void decodeAttributeBody(byte[] attributeValue,char offset,char length){
  hmacSha1Content=new byte[length];
  System.arraycopy(attributeValue,offset,hmacSha1Content,0,length);
}

public void decodeAttributeBody ( byte [ ] attributeValue , char offset , char length ) { hmacSha1Content = new byte [ length ] ; System . arraycopy ( attributeValue , offset , hmacSha1Content , 0 , length ) ; }
sets this attribute ' s fields according to the message and attributevalue arrays .
