1 files changed, 64 insertions, 0 deletions
diff --git a/src/pkg/crypto/openpgp/error/error.go b/src/pkg/crypto/openpgp/error/error.go
new file mode 100644
index 000000000..3759ce161
--- /dev/null
+++ b/src/pkg/crypto/openpgp/error/error.go
@@ -0,0 +1,64 @@
+// 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 error contains common error types for the OpenPGP packages.
+package error
+
+import (
+	"strconv"
+)
+
+// A StructuralError is returned when OpenPGP data is found to be syntactically
+// invalid.
+type StructuralError string
+
+func (s StructuralError) String() string {
+	return "OpenPGP data invalid: " + string(s)
+}
+
+// UnsupportedError indicates that, although the OpenPGP data is valid, it
+// makes use of currently unimplemented features.
+type UnsupportedError string
+
+func (s UnsupportedError) String() string {
+	return "OpenPGP feature unsupported: " + string(s)
+}
+
+// InvalidArgumentError indicates that the caller is in error and passed an
+// incorrect value.
+type InvalidArgumentError string
+
+func (i InvalidArgumentError) String() string {
+	return "OpenPGP argument invalid: " + string(i)
+}
+
+// SignatureError indicates that a syntactically valid signature failed to
+// validate.
+type SignatureError string
+
+func (b SignatureError) String() string {
+	return "OpenPGP signature invalid: " + string(b)
+}
+
+type keyIncorrect int
+
+func (ki keyIncorrect) String() string {
+	return "the given key was incorrect"
+}
+
+var KeyIncorrectError = keyIncorrect(0)
+
+type unknownIssuer int
+
+func (unknownIssuer) String() string {
+	return "signature make by unknown entity"
+}
+
+var UnknownIssuerError = unknownIssuer(0)
+
+type UnknownPacketTypeError uint8
+
+func (upte UnknownPacketTypeError) String() string {
+	return "unknown OpenPGP packet type: " + strconv.Itoa(int(upte))
+}