i have a byte array having 16 elements i.e 128 bits.. i want to do bit manipulations on this 128 bit byte array
how can i store this 128 bit as one no.so i can do bit manipulations
i am implementing idea encryption algo
i have to perform a left circular shift by 25 on the byte array i.e byte_array[16] which is nothin but my key..
then take some elements from the byte array to form the subkeys and then again perform circular left shift by 25 on the entire byte array to generate subkeys for the next rounds.. i know how to do a circular shift
but the problem is byte_array[16] has altogether 128 bits.. nd i dont know where to store this 128 bits to perform a circular shift operation..
Assuming byte_array[0] is the leftmost set of bits.
One problem you will encounter is that java does not have unsigned bytes. Thus we are using a ushort[] array instead in this example:
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ushort[] shiftLeft(ushort [] byte_array, int shift){
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