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78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// consts.go - consts for hkexnet
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// Copyright (c) 2017-2018 Russell Magee
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// Licensed under the terms of the MIT license (see LICENSE.mit in this
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// distribution)
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//
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// golang implementation by Russ Magee (rmagee_at_gmail.com)
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package hkexnet
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const (
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KEX_HERRADURA256 = iota // this MUST be first for default if omitted in ctor
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KEX_HERRADURA512
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KEX_HERRADURA1024
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KEX_HERRADURA2048
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KEX_resvd4
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KEX_resvd5
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KEX_resvd6
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KEX_resvd7
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KEX_KYBER512
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KEX_KYBER768
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KEX_KYBER1024
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KEX_resvd11
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KEX_resvd12
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KEX_resvd13
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KEX_resvd14
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KEX_resvd15
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)
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// Sent from client to server in order to specify which
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// algo shall be used (eg., HerraduraKEx, [TODO: others...])
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type KEXAlg uint8
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const (
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CSENone = 32 + iota
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CSEBadAuth // Failed login password
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CSETruncCSO // No CSOExitStatus in payload
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CSEStillOpen // Channel closed unexpectedly
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CSEExecFail // cmd.Start() (exec) failed
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CSEPtyExecFail // pty.Start() (exec w/pty) failed
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)
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// Extended (>255 UNIX exit status) codes
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// This indicate channel-related or internal errors
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type CSExtendedCode uint32
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const (
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CSONone = iota // No error, normal packet
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CSOHmacInvalid // HMAC mismatch detected on remote end
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CSOTermSize // set term size (rows:cols)
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CSOExitStatus // Remote cmd exit status
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CSOChaff // Dummy packet, do not pass beyond decryption
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)
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// Channel status type
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type CSOType uint32
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//TODO: this should be small (max unfragmented packet size?)
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const MAX_PAYLOAD_LEN = 4*1024*1024*1024 - 1
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const (
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CAlgAES256 = iota
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CAlgTwofish128 // golang.org/x/crypto/twofish
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CAlgBlowfish64 // golang.org/x/crypto/blowfish
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CAlgCryptMT1 //cryptmt using mtwist64
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CAlgNoneDisallowed
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)
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// Available ciphers for hkex.Conn
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type CSCipherAlg uint32
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const (
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HmacSHA256 = iota
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HmacSHA512
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HmacNoneDisallowed
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)
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// Available HMACs for hkex.Conn (TODO: not currently used)
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type CSHmacAlg uint32
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