Elliptic Curve Integrated Encryption Scheme (ECIES) is a public-key encryption method based on elliptic curve cryptography. ECIES enables secure exchange of encryption keys and confidential data between parties, leveraging the mathematical strength of elliptic curves for enhanced security with smaller key sizes. It combines asymmetric and symmetric encryption, where the sender uses the recipient’s public key to encrypt a message and a shared secret is derived using elliptic curve Diffie-Hellman (ECDH). This shared secret is then used to generate symmetric keys for encrypting the actual data, ensuring both confidentiality and integrity. ECIES is widely used in modern secure communications due to its efficiency and strong security properties.