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