Encryption Scheme

ECIES Implementation
Elliptic Curve Integrated Encryption Scheme using secp256k1 curve
Key Agreement:ECDH
KDF:HKDF-SHA256
Encryption:AES-256-GCM
MAC:HMAC-SHA256

Complete technical specification of the CATGIRL Network protocol

Elliptic Curve Integrated Encryption Scheme using secp256k1 curve