Contents

SecKeyCreateWithData(_:_:_:)

Restores a key from an external representation of that key.

Declaration

func SecKeyCreateWithData(_ keyData: CFData, _ attributes: CFDictionary, _ error: UnsafeMutablePointer<Unmanaged<CFError>?>?) -> SecKey?

Parameters

  • keyData:

    Data representing the key. The format of the data depends on the type of key being created. See the description of the return value of the Seckeycopyexternalrepresentation(_:_:) function for details.

  • attributes:

    A dictionary containing attributes describing the key to be imported. This dictionary must include at least the following keys:

  • error:

    The address of a Cferror object. If an error occurs, this is set to point at an error instance that describes the failure.

Mentioned in

Return Value

The restored key or NULL on failure. In Objective-C, call CFRelease to free the key’s memory when you are done with it.