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feat: replace secp256k1_swift with secp256k1.swift and implement Secp…
…256k1.privateToPublic
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,24 @@ | ||
| PODS: | ||
| - CryptoSwift (0.14.0) | ||
| - secp256k1_swift (1.0.3) | ||
| - secp256k1.swift (0.1.4) | ||
| - SwiftLint (0.29.1) | ||
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|
||
| DEPENDENCIES: | ||
| - CryptoSwift (~> 0.14.0) | ||
| - secp256k1_swift (from `https://github.com/cryptape/secp256k1_swift.git`, branch `swift-4.2`) | ||
| - secp256k1.swift (~> 0.1.4) | ||
| - SwiftLint | ||
|
|
||
| SPEC REPOS: | ||
| https://github.com/cocoapods/specs.git: | ||
| - CryptoSwift | ||
| - secp256k1.swift | ||
| - SwiftLint | ||
|
|
||
| EXTERNAL SOURCES: | ||
| secp256k1_swift: | ||
| :branch: swift-4.2 | ||
| :git: https://github.com/cryptape/secp256k1_swift.git | ||
| :submodules: true | ||
|
|
||
| CHECKOUT OPTIONS: | ||
| secp256k1_swift: | ||
| :commit: db0f48a853f5c4240194853d8d87601d47852f7f | ||
| :git: https://github.com/cryptape/secp256k1_swift.git | ||
| :submodules: true | ||
|
|
||
| SPEC CHECKSUMS: | ||
| CryptoSwift: 35a10419f4dbf0619c13f8c1c180037e115323fa | ||
| secp256k1_swift: 4fc5c4b2d2c6d21ee8ccb868cdc92da12f38bed9 | ||
| secp256k1.swift: a7e7a214f6db6ce5db32cc6b2b45e5c4dd633634 | ||
| SwiftLint: 6772320e40b52049053a518c17db9b0634a0b45a | ||
|
|
||
| PODFILE CHECKSUM: 0bba1951d87fd9729c71d9aa3ca10a413779652e | ||
| PODFILE CHECKSUM: 51fd394a2435f43eaa833dbcd8cecd9893e4a85b | ||
|
|
||
| COCOAPODS: 1.6.1 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| // | ||
| // Secp256k1.swift | ||
| // CKB | ||
| // | ||
| // Created by James Chen on 2019/03/02. | ||
| // Copyright © 2019 Nervos Foundation. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| import secp256k1 | ||
|
|
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| final class Secp256k1 { | ||
| static func privateToPublic(privateKey: Data, compressed: Bool = true) -> Data { | ||
| let context = secp256k1_context_create(UInt32(SECP256K1_CONTEXT_SIGN))! | ||
| defer { | ||
| secp256k1_context_destroy(context) | ||
| } | ||
|
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| let seckeyData = Array(privateKey) | ||
| var publicKey = secp256k1_pubkey() | ||
| _ = secp256k1_ec_pubkey_create(context, &publicKey, seckeyData) | ||
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| var length = compressed ? 33 : 65 | ||
| var data = Data(count: length) | ||
| data.withUnsafeMutableBytes { (bytes: UnsafeMutablePointer<UInt8>) in | ||
| let flag = compressed ? UInt32(SECP256K1_EC_COMPRESSED) : UInt32(SECP256K1_EC_UNCOMPRESSED) | ||
| _ = secp256k1_ec_pubkey_serialize(context, bytes, &length, &publicKey, flag) | ||
| } | ||
| return data | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| // | ||
| // Secp256k1Tests.swift | ||
| // CKBTests | ||
| // | ||
| // Created by James Chen on 2019/03/02. | ||
| // Copyright © 2019 Nervos Foundation. All rights reserved. | ||
| // | ||
|
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||
| import XCTest | ||
| @testable import CKB | ||
|
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| class Secp256k1Tests: XCTestCase { | ||
| func testPrivateToPublic() { | ||
| let privateKey = Data(hex: "e79f3207ea4980b7fed79956d5934249ceac4751a4fae01a0f7c4a96884bc4e3") | ||
| let publicKey = Data(hex: "024a501efd328e062c8675f2365970728c859c592beeefd6be8ead3d901330bc01") | ||
| XCTAssertEqual(publicKey, Secp256k1.privateToPublic(privateKey: privateKey)) | ||
| } | ||
| } |