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IOS-4136 Add ed25519 full support
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@tureck1y
tureck1y committed Jul 31, 2023
1 parent 4618a20 commit aa26c14
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Showing 25 changed files with 368 additions and 147 deletions.
4 changes: 4 additions & 0 deletions Example/TangemSdkExample/AppModel.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,10 @@ class AppModel: ObservableObject {
func copy() {
UIPasteboard.general.string = logText
}

func hideKeyboard() {
UIApplication.shared.endEditing()
}

func start(walletPublicKey: Data? = nil) {
isScanning = true
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3 changes: 2 additions & 1 deletion Example/TangemSdkExample/ContentView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ struct ContentView: View {
Button("Copy", action: model.copy)
Button("Backup", action: model.onBackup)
Button("Reset", action: model.onResetService)
Button("Hide kb", action: model.hideKeyboard)
}

additionalView
Expand Down Expand Up @@ -139,7 +140,7 @@ struct ContentView: View {
.tag(supportedCurves[index])
}
}
.pickerStyle(SegmentedPickerStyle())
.pickerStyle(WheelPickerStyle())
}

if case .importWallet = model.method {
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38 changes: 33 additions & 5 deletions TangemSdk/TangemSdk.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -266,6 +266,12 @@
DC1244E829BB9E0C0037BC05 /* ExtendedKeySerializer.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC1244E729BB9E0C0037BC05 /* ExtendedKeySerializer.swift */; };
DC22228729D431AB001129F8 /* SetUserCodeRecoveryAllowed.json in Resources */ = {isa = PBXBuildFile; fileRef = DC22228629D431AB001129F8 /* SetUserCodeRecoveryAllowed.json */; };
DC234CC629F1A3F100082063 /* ImportWalletMnemonic.json in Resources */ = {isa = PBXBuildFile; fileRef = DC234CC529F1A3F100082063 /* ImportWalletMnemonic.json */; };
DC3D97F92A77D3C6001EEE7A /* SLIP23.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D97F82A77D3C6001EEE7A /* SLIP23.swift */; };
DC3D97FB2A77E079001EEE7A /* SLIP23Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D97FA2A77E079001EEE7A /* SLIP23Tests.swift */; };
DC3D97FE2A77F5C6001EEE7A /* BIP32MasterKeyFactory.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D97FD2A77F5C6001EEE7A /* BIP32MasterKeyFactory.swift */; };
DC3D98002A77F5D0001EEE7A /* EIP2333MasterKeyFactory.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D97FF2A77F5D0001EEE7A /* EIP2333MasterKeyFactory.swift */; };
DC3D98022A77F5DB001EEE7A /* IkarusMasterKeyFactory.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D98012A77F5DB001EEE7A /* IkarusMasterKeyFactory.swift */; };
DC3D98042A77FA7F001EEE7A /* AnyMasterKeyFactory.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC3D98032A77FA7F001EEE7A /* AnyMasterKeyFactory.swift */; };
DC4E442929BF42630088617C /* Base58Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC4E442829BF42630088617C /* Base58Tests.swift */; };
DC59CB0429AF597900EC14E1 /* Wordlist.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC59CB0329AF597900EC14E1 /* Wordlist.swift */; };
DC59CB0A29AF6F9C00EC14E1 /* EntropyLength.swift in Sources */ = {isa = PBXBuildFile; fileRef = DC59CB0929AF6F9C00EC14E1 /* EntropyLength.swift */; };
Expand Down Expand Up @@ -354,7 +360,6 @@
DCD2D9222A1CFA8400AB00B6 /* precompute_ecmult.c in Sources */ = {isa = PBXBuildFile; fileRef = DCD2D9202A1CFA8400AB00B6 /* precompute_ecmult.c */; };
DCD2D9232A1CFA8400AB00B6 /* precomputed_ecmult_gen.h in Headers */ = {isa = PBXBuildFile; fileRef = DCD2D9212A1CFA8400AB00B6 /* precomputed_ecmult_gen.h */; };
DCD2D9252A1D15A300AB00B6 /* SchnorrSignature.swift in Sources */ = {isa = PBXBuildFile; fileRef = DCD2D9242A1D15A300AB00B6 /* SchnorrSignature.swift */; };
DCE3281729D5DEE500AAC4AC /* ImportWalletSeed.json in Resources */ = {isa = PBXBuildFile; fileRef = DCE3281629D5DEE500AAC4AC /* ImportWalletSeed.json */; };
DCEA3ABC2875AEBA00B0B0DA /* BiometricsStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = DCEA3ABB2875AEBA00B0B0DA /* BiometricsStorage.swift */; };
DCEA3ABE2875AF0F00B0B0DA /* SecureStorageKey.swift in Sources */ = {isa = PBXBuildFile; fileRef = DCEA3ABD2875AF0F00B0B0DA /* SecureStorageKey.swift */; };
DCF6188429F069DB001BE133 /* AttestCardKey.json in Resources */ = {isa = PBXBuildFile; fileRef = DCF6188329F069DB001BE133 /* AttestCardKey.json */; };
Expand Down Expand Up @@ -639,6 +644,12 @@
DC1244E729BB9E0C0037BC05 /* ExtendedKeySerializer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ExtendedKeySerializer.swift; sourceTree = "<group>"; };
DC22228629D431AB001129F8 /* SetUserCodeRecoveryAllowed.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = SetUserCodeRecoveryAllowed.json; sourceTree = "<group>"; };
DC234CC529F1A3F100082063 /* ImportWalletMnemonic.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = ImportWalletMnemonic.json; sourceTree = "<group>"; };
DC3D97F82A77D3C6001EEE7A /* SLIP23.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SLIP23.swift; sourceTree = "<group>"; };
DC3D97FA2A77E079001EEE7A /* SLIP23Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SLIP23Tests.swift; sourceTree = "<group>"; };
DC3D97FD2A77F5C6001EEE7A /* BIP32MasterKeyFactory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BIP32MasterKeyFactory.swift; sourceTree = "<group>"; };
DC3D97FF2A77F5D0001EEE7A /* EIP2333MasterKeyFactory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EIP2333MasterKeyFactory.swift; sourceTree = "<group>"; };
DC3D98012A77F5DB001EEE7A /* IkarusMasterKeyFactory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IkarusMasterKeyFactory.swift; sourceTree = "<group>"; };
DC3D98032A77FA7F001EEE7A /* AnyMasterKeyFactory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AnyMasterKeyFactory.swift; sourceTree = "<group>"; };
DC4E442829BF42630088617C /* Base58Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Base58Tests.swift; sourceTree = "<group>"; };
DC59CB0329AF597900EC14E1 /* Wordlist.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Wordlist.swift; sourceTree = "<group>"; };
DC59CB0929AF6F9C00EC14E1 /* EntropyLength.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EntropyLength.swift; sourceTree = "<group>"; };
Expand Down Expand Up @@ -727,7 +738,6 @@
DCD2D9202A1CFA8400AB00B6 /* precompute_ecmult.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = precompute_ecmult.c; sourceTree = "<group>"; };
DCD2D9212A1CFA8400AB00B6 /* precomputed_ecmult_gen.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = precomputed_ecmult_gen.h; sourceTree = "<group>"; };
DCD2D9242A1D15A300AB00B6 /* SchnorrSignature.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SchnorrSignature.swift; sourceTree = "<group>"; };
DCE3281629D5DEE500AAC4AC /* ImportWalletSeed.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = ImportWalletSeed.json; sourceTree = "<group>"; };
DCEA3ABB2875AEBA00B0B0DA /* BiometricsStorage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BiometricsStorage.swift; sourceTree = "<group>"; };
DCEA3ABD2875AF0F00B0B0DA /* SecureStorageKey.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureStorageKey.swift; sourceTree = "<group>"; };
DCF6188329F069DB001BE133 /* AttestCardKey.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = AttestCardKey.json; sourceTree = "<group>"; };
Expand Down Expand Up @@ -798,9 +808,11 @@
5D170AEF26B42C88000D4F36 /* HDWallet */ = {
isa = PBXGroup;
children = (
DC3D97FC2A77F3E0001EEE7A /* MasterKey */,
5D2B798426BBED1D002A78D4 /* BIP32 */,
5D14091B26B9692500B811A1 /* BIP44.swift */,
5D14091D26B9886800B811A1 /* HDWalletError.swift */,
DC3D97F82A77D3C6001EEE7A /* SLIP23.swift */,
);
path = HDWallet;
sourceTree = "<group>";
Expand Down Expand Up @@ -911,7 +923,6 @@
5D54408D268226B600F7D05B /* Depersonalize.json */,
5D54408F268226BC00F7D05B /* PurgeWallet.json */,
5D5440912682297A00F7D05B /* CreateWallet.json */,
DCE3281629D5DEE500AAC4AC /* ImportWalletSeed.json */,
DC234CC529F1A3F100082063 /* ImportWalletMnemonic.json */,
DCF6188329F069DB001BE133 /* AttestCardKey.json */,
5D544093268243F700F7D05B /* Card.json */,
Expand Down Expand Up @@ -1251,6 +1262,7 @@
DC4E442829BF42630088617C /* Base58Tests.swift */,
DCB5A4E42A1FAC190021E12D /* BLSTests.swift */,
DCB5A4E82A20EB1F0021E12D /* HKDFTests.swift */,
DC3D97FA2A77E079001EEE7A /* SLIP23Tests.swift */,
);
path = TangemSdkTests;
sourceTree = "<group>";
Expand Down Expand Up @@ -1305,7 +1317,6 @@
5D379C2C268FA53D00C7F473 /* KeyPair.swift */,
5D379C2E268FA57500C7F473 /* UserCode.swift */,
5DE7DD2F2695DCD300472205 /* CardFilter.swift */,
DCB5A4EA2A20F47B0021E12D /* MasterKeyFactory.swift */,
);
path = Common;
sourceTree = "<group>";
Expand Down Expand Up @@ -1465,6 +1476,18 @@
path = ExtendedKeySerialization;
sourceTree = "<group>";
};
DC3D97FC2A77F3E0001EEE7A /* MasterKey */ = {
isa = PBXGroup;
children = (
DCB5A4EA2A20F47B0021E12D /* MasterKeyFactory.swift */,
DC3D98032A77FA7F001EEE7A /* AnyMasterKeyFactory.swift */,
DC3D97FD2A77F5C6001EEE7A /* BIP32MasterKeyFactory.swift */,
DC3D97FF2A77F5D0001EEE7A /* EIP2333MasterKeyFactory.swift */,
DC3D98012A77F5DB001EEE7A /* IkarusMasterKeyFactory.swift */,
);
path = MasterKey;
sourceTree = "<group>";
};
DC59CB0129AF582800EC14E1 /* BIP39 */ = {
isa = PBXGroup;
children = (
Expand Down Expand Up @@ -1827,7 +1850,6 @@
5D2BDF8626DD4869002F7E19 /* TestParseRequest.json in Resources */,
DC1244C329B766B70037BC05 /* mnemonic_valid_test_vectors.json in Resources */,
5D5440922682297A00F7D05B /* CreateWallet.json in Resources */,
DCE3281729D5DEE500AAC4AC /* ImportWalletSeed.json in Resources */,
5D54408C2682269400F7D05B /* SetPasscode.json in Resources */,
5D4B127D26D3D351006E173C /* WriteFiles.json in Resources */,
);
Expand Down Expand Up @@ -1877,6 +1899,8 @@
5DC62D3E23506CF300195A51 /* TlvDecoder.swift in Sources */,
5D85A80824069C9A0038A2D0 /* WriteIssuerExtraDataCommand.swift in Sources */,
5D86CBE124A113C900FB5BA7 /* CardConfig.swift in Sources */,
DC3D97FE2A77F5C6001EEE7A /* BIP32MasterKeyFactory.swift in Sources */,
DC3D98042A77FA7F001EEE7A /* AnyMasterKeyFactory.swift in Sources */,
5D86CBE524A220C400FB5BA7 /* PersonalizeCommand.swift in Sources */,
5D86CBE324A2051F00FB5BA7 /* NdefEncoder.swift in Sources */,
5D908C5F26A7519500270FA3 /* NFCFieldView.swift in Sources */,
Expand All @@ -1898,6 +1922,7 @@
5D6831D223DB2EA30095BB1D /* CreateWalletCommand.swift in Sources */,
5D60CA63272C472F00A1DF0B /* ResetCodesController.swift in Sources */,
5D908C6126A75DB700270FA3 /* ReadView.swift in Sources */,
DC3D98022A77F5DB001EEE7A /* IkarusMasterKeyFactory.swift in Sources */,
5D0243BE26CACACD00B76F37 /* IndicatorView.swift in Sources */,
5D1D945C2722FD7400FD6DAB /* CreateWalletTask.swift in Sources */,
DCB5A4E02A1F969F0021E12D /* HKDFUtil.swift in Sources */,
Expand Down Expand Up @@ -2032,6 +2057,7 @@
5D5242672727FE37007FEB03 /* ResetUserCodesView.swift in Sources */,
5D46F1552681032B00DC6447 /* SignHashCommand.swift in Sources */,
5D5A67FA272830C00002EDA9 /* BadgedCardView.swift in Sources */,
DC3D98002A77F5D0001EEE7A /* EIP2333MasterKeyFactory.swift in Sources */,
5DDA5DA326E95F2F00199274 /* Result+RAPDU.swift in Sources */,
5D0631DB2477DAAA0056BF21 /* OpenSessionCommand.swift in Sources */,
5DAAF3A226E268F600187AA9 /* ViewModel.swift in Sources */,
Expand Down Expand Up @@ -2096,6 +2122,7 @@
5DEBB2A625DC0FF400D1734F /* OnlineCardVerifier.swift in Sources */,
5D7F4E52249006DB00A1700D /* Bundle+.swift in Sources */,
5D445B7A26E29C2300F6F0FE /* ResetPinCommand.swift in Sources */,
DC3D97F92A77D3C6001EEE7A /* SLIP23.swift in Sources */,
5D86665C273166810095CC82 /* ResetCodesViewState.swift in Sources */,
DC1244E629BB8E580037BC05 /* NetworkType.swift in Sources */,
5D46F158268105BF00DC6447 /* SignHashesCommand.swift in Sources */,
Expand All @@ -2110,6 +2137,7 @@
5DA7942A236C64D100B33DB5 /* IntUtilsTests.swift in Sources */,
5DA80CA9231D247A00A50A10 /* CryptoUtilsTests.swift in Sources */,
5D713B2D236C3F6400E4F6FC /* StringUtilsTest.swift in Sources */,
DC3D97FB2A77E079001EEE7A /* SLIP23Tests.swift in Sources */,
DCB5A4E52A1FAC190021E12D /* BLSTests.swift in Sources */,
DC1244C929B778750037BC05 /* BIP32Tests.swift in Sources */,
DC1244E429BB806E0037BC05 /* WIFTests.swift in Sources */,
Expand Down
3 changes: 2 additions & 1 deletion TangemSdk/TangemSdk/Common/Card/EllipticCurve.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ import Foundation
public enum EllipticCurve: String, StringCodable, CaseIterable {
case secp256k1
case ed25519
case ed25519slip0010 = "ed25519-slip0010" // TODO: tmp. To be changed to ed25519_slip0010
case secp256r1
case bls12381_G2
case bls12381_G2_AUG
Expand All @@ -24,7 +25,7 @@ public enum EllipticCurve: String, StringCodable, CaseIterable {
extension EllipticCurve {
public var supportsDerivation: Bool {
switch self {
case .secp256k1, .ed25519, .secp256r1, .bip0340:
case .secp256k1, .ed25519, .ed25519slip0010, .secp256r1, .bip0340:
return true
default:
return false
Expand Down
17 changes: 5 additions & 12 deletions TangemSdk/TangemSdk/Common/JSON/Handlers.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -72,20 +72,13 @@ class ImportWalletHandler: JSONRPCHandler {

func makeRunnable(from parameters: [String : Any]) throws -> AnyJSONRPCRunnable {
let curve: EllipticCurve = try parameters.value(for: "curve")

let seedParam: Data? = try parameters.value(for: "seed")

let mnemonicString: String? = try parameters.value(for: "mnemonic")
let mnemonicString: String = try parameters.value(for: "mnemonic")
let passphrase: String = try parameters.value(for: "passphrase") ?? ""
let seedFromMnemonic = try mnemonicString.map { try Mnemonic(with: $0).generateSeed(with: passphrase) }

let seed: Data? = seedParam ?? seedFromMnemonic
guard let seed else {
throw JSONRPCError(.invalidParams,
data: JSONRPCErrorData(.invalidParams, message: "You should pass a seed or a mnemonic and an optional passphrase"))
}

let command = CreateWalletTask(curve: curve, seed: seed)
let mnemonic = try Mnemonic(with: mnemonicString)
let factory = AnyMasterKeyFactory(mnemonic: mnemonic, passphrase: passphrase)
let privateKey = try factory.makeMasterKey(for: curve)
let command = CreateWalletTask(curve: curve, privateKey: privateKey)
return command.eraseToAnyRunnable()
}
}
Expand Down
22 changes: 0 additions & 22 deletions TangemSdk/TangemSdk/Common/MasterKeyFactory.swift
View file

This file was deleted.

27 changes: 26 additions & 1 deletion TangemSdk/TangemSdk/Crypto/BIP39/BIP39.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ public struct BIP39 {
let checksumBits = String(concatenatedBits.suffix(checksumBitsCount))

guard let entropyData = Data(bitsString: entropyBits) else {
throw MnemonicError.invalidCheksum
throw MnemonicError.invalidMnemonic
}

let calculatedChecksumBits = entropyData
Expand Down Expand Up @@ -176,6 +176,31 @@ public struct BIP39 {
return mnemonicComponents.joined(separator: " ")
}

/// Calculate initial entropy from mnemonic components.
/// - Parameter mnemonicComponents: Menemonic components to use
/// - Returns: The initial entropy
func getEntropy(from mnemonicComponents: [String]) throws -> Data {
let wordlistDictionary = try getWordlist(by: mnemonicComponents[0]).dictionary

let concatenatedBits = try mnemonicComponents.map {
guard let wordIndex = wordlistDictionary.firstIndex(of: $0) else {
throw MnemonicError.invalidMnemonic
}

return String(wordIndex, radix: 2).leadingZeroPadding(toLength: 11)
}.joined()

let checksumBitsCount = mnemonicComponents.count / 3
let entropyBitsCount = concatenatedBits.count - checksumBitsCount
let entropyBits = String(concatenatedBits.prefix(entropyBitsCount))

guard let entropyData = Data(bitsString: entropyBits) else {
throw MnemonicError.invalidMnemonic
}

return entropyData
}

private func normalizedData(from string: String) throws -> Data {
let normalizedString = string.decomposedStringWithCompatibilityMapping

Expand Down
6 changes: 6 additions & 0 deletions TangemSdk/TangemSdk/Crypto/BIP39/Mnemonic.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -40,4 +40,10 @@ public struct Mnemonic {
public func generateSeed(with passphrase: String = "") throws -> Data {
return try bip39.generateSeed(from: mnemonicComponents, passphrase: passphrase)
}

/// Returns initial entropy
/// - Returns: entropy data
public func getEntropy() throws -> Data {
return try bip39.getEntropy(from: mnemonicComponents)
}
}
1 change: 1 addition & 0 deletions TangemSdk/TangemSdk/Crypto/BIP39/MnemonicError.swift
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@ public enum MnemonicError: Error {
case invalidWordCount
case invalidWordsFile
case invalidCheksum
case invalidMnemonic
case mnenmonicCreationFailed
case normalizationFailed
case wrongWordCount
Expand Down
18 changes: 14 additions & 4 deletions TangemSdk/TangemSdk/Crypto/CryptoUtils.swift
View file
Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ public enum CryptoUtils {
case .bip0340:
let signature = try SchnorrSignature(with: signature)
return try signature.verify(with: publicKey, message: message)
case .ed25519:
case .ed25519, .ed25519slip0010:
let hash = message.getSha512()
let pubKey = try Curve25519.Signing.PublicKey(rawRepresentation: publicKey)
return pubKey.isValidSignature(signature, for: hash)
Expand All @@ -70,7 +70,12 @@ public enum CryptoUtils {
switch curve {
case .secp256k1, .bip0340:
return Secp256k1Utils().isPrivateKeyValid(privateKey)
case .ed25519:
case .ed25519, .ed25519slip0010:
// Extended private keys don't supported by CryptoKit
if privateKey.count > 32 {
throw TangemSdkError.unsupportedCurve
}

let key = try? Curve25519.Signing.PrivateKey(rawRepresentation: privateKey)
return key != nil
case .secp256r1:
Expand All @@ -89,7 +94,12 @@ public enum CryptoUtils {
return try Secp256k1Utils().createPublicKey(privateKey: privateKey, compressed: true)
case .bip0340:
return try Secp256k1Utils().createXOnlyPublicKey(privateKey: privateKey)
case .ed25519:
case .ed25519, .ed25519slip0010:
// Extended private keys don't supported by CryptoKit
if privateKey.count > 32 {
throw TangemSdkError.unsupportedCurve
}

let key = try Curve25519.Signing.PrivateKey(rawRepresentation: privateKey)
return key.publicKey.rawRepresentation
case .secp256r1:
Expand Down Expand Up @@ -117,7 +127,7 @@ public enum CryptoUtils {
case .bip0340:
let signature = try SchnorrSignature(with: signature)
return try signature.verify(with: publicKey, hash: hash)
case .ed25519:
case .ed25519, .ed25519slip0010:
let pubKey = try Curve25519.Signing.PublicKey(rawRepresentation: publicKey)
return pubKey.isValidSignature(signature, for: hash)
case .secp256r1:
Expand Down
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