Security, Symmetric Encryption, Cryptography, Encryption.
The carry is propagated until there is no carry. uint64_t propagate_carry(uint64_t p[5], uint64_t carry) { p[0] += carry * 5; carry = p[0] >> 26; p[0] -= carry << 26; // For the first iteration, carry will be zero. p[1] += carry ; carry = p[1] >> 26; p[1] -= carry << 26; p[2] += carry ; carry =