PacketTag
CompressedData = 8
Experimental1 = 60
Experimental2 = 61
Experimental3 = 62
Experimental4 = 63
LiteralData = 11
Marker = 10
OnePassSignature = 4
PublicKey = 6
PublicSubkey = 14
Reserved = 0
SecretKey = 5
SecretSubkey = 7
Signature = 2
Trust = 12
UserAttribute = 17
UserId = 13