swift-eosio-key-encryption

EOSIO Private Key encryption

Supports multiple curve types
Scrypt key derivation with configurable params
Encodes to human readable-ish strings (SEC_K1_8vWLjFLTcvWNKY8wwfMKJJ3Sf278qb5xQgqXFzrRF44ECxACwoC3RPTj)

Data format

1 byte key type (secp256k1 = 0)
1 byte scrypt params
4 byte checksum of public key
32 byte ciphertext