code review 12685044: openpgp: Implement compressed data packets & add suppor...

openpgp/packet/packet.go

Index: openpgp/packet/packet.go 
=================================================================== 
--- a/openpgp/packet/packet.go 
+++ b/openpgp/packet/packet.go 
@@ -488,3 +488,14 @@ 
 func writeBig(w io.Writer, i *big.Int) error { 
	return writeMPI(w, uint16(i.BitLen()), i.Bytes()) 
 } 
+ 
+// CompressionAlgo Represents the different compression algorithms 
+// supported by OpenPGP (except for BZIP2, which is not currently 
+// supported). See Section 9.3 of RFC 4880. 
+type CompressionAlgo uint8 
+ 
+const ( 
+	CompressionNone CompressionAlgo = 0 
+	CompressionZIP CompressionAlgo = 1 
+	CompressionZLIB CompressionAlgo = 2 
+)