ECIES

Elliptic Curve Integrated Encryption Scheme

• A Survey of the Elliptic Curve Integrated Encryption Scheme

• Integrated Encryption Scheme

• Elliptic Curve Integrated Encryption Scheme (ECIES)

• A Comparison of the Standardized Versions of ECIES

• libsodium doc

• ECC Encryption / Decryption

• Crypto In Action

• eciespy

使用KA(key agreement)协商一个密钥S，使用KDF基于S生成会话密钥，其实基本上就是ECDH。

会话密钥用于ENC对称加密，同时还有MAC函数, HASH函数。

因此plaintext长度基本不受限。