An implementation of BLSCT in Swift. BLSCT is a privacy protocol developed by Navcoin, which merges Boneh-Lynn-Shacham (BLS) Signatures and Confidential Transactions (CT). BLSCT transactions are currently not supported, but will be added in a future release.
Add the following line to your
.package(url: "https://github.com/anquii/BLSCT.git", from: "1.0.0")
...or integrate with Xcode via
File -> Swift Packages -> Add Package Dependency... using the URL of the repository.
import BLSCT // Private BLS keys let mclPreparator: MCLPreparing = MCLPreparator() let privateBLSKeyDerivator: PrivateBLSKeyDerivating = PrivateBLSKeyDerivator() let privateBLSMasterKeyDerivator: PrivateBLSMasterKeyDerivating = PrivateBLSMasterKeyDerivator(privateBLSKeyDerivator: privateBLSKeyDerivator) let privateBLSChildKeyDerivator: PrivateBLSChildKeyDerivating = try PrivateBLSChildKeyDerivator(privateBLSKeyDerivator: privateBLSKeyDerivator, mclPreparator: mclPreparator) let privateBLSKeysDerivator: PrivateBLSKeysDerivating = PrivateBLSKeysDerivator(privateBLSMasterKeyDerivator: privateBLSMasterKeyDerivator, privateBLSChildKeyDerivator: privateBLSChildKeyDerivator) let privateBLSKeys = try privateBLSKeysDerivator.privateKeys(base58CheckEncodedPrivateMasterKey: "xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi") // (privateBLSViewKey, privateBLSSpendKey, privateBLSBlindingKey) // Public BLS keys let publicBLSKeysDerivator: PublicBLSKeysDerivating = try PublicBLSKeysDerivator(privateBLSViewKey: privateBLSKeys.privateBLSViewKey, privateBLSSpendKey: privateBLSKeys.privateBLSSpendKey, mclPreparator: mclPreparator) let publicBLSKeys = try publicBLSKeysDerivator.publicKeys(accountIndex: 0, subAddressIndex: 0) // (publicBLSViewKey, publicBLSSpendKey) // Address let addressCoder: AddressCoding = AddressCoder() let address = addressCoder.address(publicBLSViewKey: publicBLSKeys.publicBLSViewKey, publicBLSSpendKey: publicBLSKeys.publicBLSSpendKey) // e.g. xNVM1yykP9cSc737VCMzP8kWR77gPn1iujPitHRm6urfrVRDLbNinxsRTZb3CCsYCD3Uqj3RCQubEYaHj3XKmGMbFTDctT2JVJ6CCazXomPmoiPGB3qf8rfKp7NEyzKupjeSD4CfkKS
Find out more by exploring the public API, and by looking through the tests. If you're creating a wallet, make sure to store the
publicBLSSpendKey alongside the integer pair
(accountIndex, subAddressIndex) used as part of its derivation (as documented here).
BLSCT is licensed under the terms of the MIT license. See the LICENSE file for more information.