65 lines
2.3 KiB
Swift
65 lines
2.3 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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// See:
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// https://github.com/signalapp/libsignal-metadata-java/blob/cac0dde9de416a192e64a8940503982820870090/java/src/main/java/org/signal/libsignal/metadata/certificate/ServerCertificate.java
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@objc public class SMKServerCertificate: NSObject {
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@objc public let keyId: UInt32
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@objc public let key: ECPublicKey
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@objc public let signatureData: Data
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public init(keyId: UInt32,
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key: ECPublicKey,
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signatureData: Data) {
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self.keyId = keyId
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self.key = key
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self.signatureData = signatureData
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}
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@objc public class func parse(data: Data) throws -> SMKServerCertificate {
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let proto = try SMKProtoServerCertificate.parseData(data)
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return try parse(proto: proto)
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}
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@objc public class func parse(proto: SMKProtoServerCertificate) throws -> SMKServerCertificate {
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let signatureData = proto.signature
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let certificateData = proto.certificate
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let certificateProto = try SMKProtoServerCertificateCertificate.parseData(certificateData)
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let keyId = certificateProto.id
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let keyData = certificateProto.key
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let key = try ECPublicKey(serializedKeyData: keyData)
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return SMKServerCertificate(keyId: keyId, key: key, signatureData: signatureData)
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}
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@objc public func toProto() throws -> SMKProtoServerCertificate {
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let certificateBuilder = SMKProtoServerCertificateCertificate.builder(id: keyId, key: key.serialized)
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let builder =
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SMKProtoServerCertificate.builder(certificate: try certificateBuilder.buildSerializedData(),
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signature: signatureData)
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return try builder.build()
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}
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@objc public func serialized() throws -> Data {
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return try toProto().serializedData()
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}
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open override func isEqual(_ other: Any?) -> Bool {
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if let other = other as? SMKServerCertificate {
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return (keyId == other.keyId &&
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key.isEqual(other.key) &&
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(signatureData == other.signatureData))
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} else {
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return false
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}
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}
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public override var hash: Int {
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return keyId.hashValue ^ key.hashValue ^ signatureData.hashValue
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}
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}
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