The server validates the username and password by similarly calculating C c and checking against the client provided value. ![]() Performs a final elliptic curve scalar multiplication using the server’s private key to yield z = T s(W c + h.v).Computes plot(W c x) on the elliptic curve, generating W c.The server computes the shared secret point, z, as follows:.The client completes this handshake step by transmitting C c.Computes a client-side confirmation code, C c = SHA2(h + z x).Calculates the shared point, z, using elliptic curve multiplication with the previously calculated u point to find z = u(T c + h.v).Performs scalar addition and multiplication to compute T c + h.v p.Performs point subtraction to disentangle the password, calculating u = W s - e.Computes the server public point W s using plot(W s x).Calculates pseudo-random point e = plot(SHA2(v x)), as the server computed in the preceding step.Plots v as the server did during registration and retrieves the x coordinate, v x.Calculates v's private key, v p = SHA2(salt | SHA2(username | “:” | password)).The client, now knowing the user’s salt and the server’s public key, can compute the shared secret and confirmation code as follows:.The server similarly calculates and transmits the parity of its public point’s y coordinate, W s y. ![]() Finally, the server responds with W s x and salt The server then generates an ephemeral private key, T s, and computes a password-entangled public key point, W s = ECDH(T s) + plot(SHA2(v x)).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |