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efrain |
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//
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// HeaderSecurity.swift
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// twogetskills
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//
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// Created by Efrain Yanez Recanatini on 5/6/22.
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//
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import Foundation
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import var CommonCrypto.CC_MD5_DIGEST_LENGTH
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import func CommonCrypto.CC_MD5
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import typealias CommonCrypto.CC_LONG
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class HeaderSecurity
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{
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public let created : Int
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public let rand : Int
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public var secret : String = ""
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private var appData = AppData.sharedInstance
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init()
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{
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created = Int(round(Date().timeIntervalSince1970))
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rand = Int.random(in: 0..<8999) + 1000
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let md5Data = MD5(string: "\(appData.devicePassword)" + ":" + "\(created)" + ":" + "\(rand)")
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secret = md5Data.map {
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String(format: "%02hhx", $0)
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}.joined()
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}
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func MD5(string: String) -> Data {
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let length = Int(CC_MD5_DIGEST_LENGTH)
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let messageData = string.data(using:.utf8)!
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var digestData = Data(count: length)
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_ = digestData.withUnsafeMutableBytes { digestBytes -> UInt8 in
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messageData.withUnsafeBytes { messageBytes -> UInt8 in
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if let messageBytesBaseAddress = messageBytes.baseAddress, let digestBytesBlindMemory = digestBytes.bindMemory(to: UInt8.self).baseAddress {
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let messageLength = CC_LONG(messageData.count)
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CC_MD5(messageBytesBaseAddress, messageLength, digestBytesBlindMemory)
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}
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return 0
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}
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}
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return digestData
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}
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}
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