Security, Symmetric Encryption, Cryptography, Encryption.
binary arithmetic: when we move the overflowing numbers to the right after 130 bits ( multiple of 26 bits= length of a0, a1, ..,.. a4 and of b0 b1, b2,..b4) , we need to multiply them by 5 to compensate. Each of these multiplications can also be done in parallel using SIMD. a4 a3 a2 a1 a0 × b4 b3