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Hi! With CryptoKit functions i can instantiate certificate keys, but with usage of Security module the code fails. I cannot figure out what is the issue. Anyone have any idea what needs to be changed? Thanks!!!, Garfield This is the code that causes issue: import Security import CryptoKit // base64 encoded let privateKeyString = "deXnwQoRHddejAMvHsucXdPkE0B5hAIap1VE69ASplo=" let publicKeyString = "p4Rqbh+nmv/FslbJFGOe7JzSP6/ySaTkgW6h5t/+fqC/E8M9SVmamBKdTusddEecWY5KBGZo4x2oeNYyM7EtPA==" let attributesPrivate: [NSObject : NSObject] = [         kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,         kSecAttrKeyClass: kSecAttrKeyClassPrivate  ]           let attributesPublic: [NSObject : NSObject] = [         kSecAttrKeyType: kSecAttrKeyTypeECSECPrimeRandom,         kSecAttrKeyClass: kSecAttrKeyClassPublic  ]        var errorPrivate: Unmanaged<CFError>?  var errorPublic: Unmanaged<CFError>?  var error: Unmanaged<CFError>?   if #available(iOS 13.0, *) {       let publicKeyX = try! P256.Signing.PublicKey(rawRepresentation: Data(base64Encoded: publicKeyString)!.suffix(65))       //https://developer.apple.com/forums/thread/680554       print(publicKeyX, "P256 PUBLIC")       let privateKeyX = try! P256.Signing.PrivateKey(rawRepresentation: Data(base64Encoded: privateKeyString)!.suffix(65))       print(privateKeyX, "P256 PRIVATE")             } else {       // Fallback on earlier versions     }                 let publicKey = SecKeyCreateWithData(Data(base64Encoded: publicKeyString)! as NSData, attributesPublic as NSDictionary, &errorPublic)!           let privateKey = SecKeyCreateWithData(Data(base64Encoded: privateKeyString)! as NSData, attributesPrivate as NSDictionary, &errorPrivate)!