---
title: kSecTransformErrorInvalidInput
framework: security
role: symbol
role_heading: Global Variable
path: security/ksectransformerrorinvalidinput
---

# kSecTransformErrorInvalidInput

The input set on a transform is invalid.

## Declaration

```swift
var kSecTransformErrorInvalidInput: CFIndex { get }
```

## Discussion

Discussion This can occur if the data set for an attribute does not meet certain requirements such as correct key usage for signing data.