Encryption, Post Quantum Cryptography, Elliptic Curve, Digital Signatures, Kyber.
public key. Decryption can only be done by parties in possession of the private key. The encryption procedure uses an ephermal error and a randomizer polynomial vector e1​ and r and an error polynomial e2​. In our example we’ll use: r=(−x³+x²,x³+x²−1) e1=(x²+x,x²) e2=−x³−x²​ Now, to encrypt a