Encrypt encrypts a message using ECIES as specified in SEC 1, 5.1.

Generate an elliptic curve public / private keypair.

Import an ECDSA private key as an ECIES private key.

Import an ECDSA public key as an ECIES public key.

MaxSharedKeyLength returns the maximum length of the shared key the public key can produce.

ParamsFromCurve selects parameters optimal for the selected elliptic curve.

PrivateKey is a representation of an elliptic curve private key.

PublicKey is a representation of an elliptic curve public key.