// Copyright 2010 The Go Authors. All rights reserved.// Use of this source code is governed by a BSD-style// license that can be found in the LICENSE file. // Package errors contains common error types for the OpenPGP packages.package errors import (	"strconv") // A StructuralError is returned when OpenPGP data is found to be syntactically// invalid.type StructuralError string func (s StructuralError) Error() string {	return "openpgp: invalid data: " + string(s)} // UnsupportedError indicates that, although the OpenPGP data is valid, it// makes use of currently unimplemented features.type UnsupportedError string func (s UnsupportedError) Error() string {	return "openpgp: unsupported feature: " + string(s)} // InvalidArgumentError indicates that the caller is in error and passed an// incorrect value.type InvalidArgumentError string func (i InvalidArgumentError) Error() string {	return "openpgp: invalid argument: " + string(i)} // SignatureError indicates that a syntactically valid signature failed to// validate.type SignatureError string func (b SignatureError) Error() string {	return "openpgp: invalid signature: " + string(b)} type keyIncorrectError int func (ki keyIncorrectError) Error() string {	return "openpgp: incorrect key"} var ErrKeyIncorrect error = keyIncorrectError(0) type unknownIssuerError int func (unknownIssuerError) Error() string {	return "openpgp: signature made by unknown entity"} var ErrUnknownIssuer error = unknownIssuerError(0) type keyRevokedError int func (keyRevokedError) Error() string {	return "openpgp: signature made by revoked key"} var ErrKeyRevoked error = keyRevokedError(0) type UnknownPacketTypeError uint8 func (upte UnknownPacketTypeError) Error() string {	return "openpgp: unknown packet type: " + strconv.Itoa(int(upte))}