How to Async SHA256 Hash in Apex - Code Snippet

// Task: Async SHA256 Hash
// Language: Apex

public void async_sha256_hash() {
    // Implementation for Async SHA256 Hash
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async SHA256 Hash
    System.debug("Done");
}