Encryption, Post Quantum Cryptography, Elliptic Curve, Digital Signatures, Kyber.
of the point P is equal to R, that means that the signature is valid, otherwise it’s not. Pretty simple, huh? now let’s see why and how… and this is going to require some mathematics to verify : We have : P = S^-1*z*G + S^-1 * R *A but A = a*G, so: P = S^-1*z*G + S^-1 * R * a*G = S^-1 (z + a* R) *