The example was failing to direct users on what to do with the nonce, which should be almost universally prepended to the ciphertext. Also, leaving key out of the function was pulling the entire file into the example. Updates golang/go#38369 Change-Id: I3a13342fff02e1a5d6f9c4ef2a8bddf0b1097707 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/227937 Run-TryBot: Filippo Valsorda <filippo@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Katie Hockman <katie@golang.org>