decrypt(_:algorithm:completion:)

Decrypts the data you supply with a given algorithm.

Declaration

func decrypt(_ data: Data, algorithm: SecKeyAlgorithm, completion handler: @escaping  @Sendable (Data?, (any Error)?) -> Void)

func decrypt(_ data: Data, algorithm: SecKeyAlgorithm) async throws -> Data

Parameters

data:
The data to decrypt.
algorithm:
The algorithm to use to decrypt the data.
handler:
A completion handler to call when the decryption operation completes.
data
The decrypted data.
error
An error object that indicates why the decryption failed, or nil if it succeeded.

Discussion

important:

You can call this method from synchronous code using a completion handler, as shown on this page, or you can call it as an asynchronous method that has the following declaration:

func decrypt(_ data: Data, algorithm: SecKeyAlgorithm) async throws -> Data

For information about concurrency and asynchronous code in Swift, see Calling Objective-C APIs Asynchronously.

decrypt(_:algorithm:completion:)

Declaration

Parameters

Discussion

See Also

Performing cryptographic operations