mirror of https://gogs.blitter.com/RLabs/xs
				
				
				
			Added FrodoKEM
This commit is contained in:
		
							parent
							
								
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								Makefile
								
								
								
								
							
							
						
						
									
										2
									
								
								Makefile
								
								
								
								
							| 
						 | 
				
			
			@ -1,4 +1,4 @@
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VERSION := 0.8.25
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VERSION := 0.8.26
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.PHONY: lint vis clean common client server passwd subpkgs install uninstall reinstall
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## Tag version of binaries with build info wrt.
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			@ -27,7 +27,7 @@ Currently supported exchanges are:
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[Omar Elejandro Herrera Reyna's HerraduraKEx project](http://github.com/Caume/HerraduraKEx);
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* The KYBER IND-CCA-2 secure key encapsulation mechanism, [pq-crystals Kyber](https://pq-crystals.org/kyber/)  :: [Yawning/kyber golang implementation](https://git.schwanenlied.me/yawning/kyber)
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* The NEWHOPE algorithm [newhopecrypto.org](https://www.newhopecrypto.org/) :: [Yawning/go-newhope golang implementation](https://git.schwanenlied.me/yawning/newhope)
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* The FrodoKEM algorithm [frodokem.org](https://frodokem.org/) :: Go version by [Eduardo E. S. Riccardi](https://github.com/kuking/go-frodokem)
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Currently supported session algorithms:
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								go.mod
								
								
								
								
							
							
						
						
									
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			@ -13,6 +13,7 @@ require (
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	github.com/jameskeane/bcrypt v0.0.0-20120420032655-c3cd44c1e20f
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	github.com/klauspost/reedsolomon v1.9.9 // indirect
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	github.com/kr/pty v1.1.8
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	github.com/kuking/go-frodokem v1.0.1
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	github.com/mattn/go-isatty v0.0.12
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	github.com/mmcloughlin/avo v0.0.0-20200523190732-4439b6b2c061 // indirect
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	github.com/pkg/errors v0.9.1 // indirect
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								go.sum
								
								
								
								
							
							
						
						
									
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								go.sum
								
								
								
								
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			@ -33,6 +33,8 @@ github.com/klauspost/reedsolomon v1.9.9 h1:qCL7LZlv17xMixl55nq2/Oa1Y86nfO8EqDfv2
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github.com/klauspost/reedsolomon v1.9.9/go.mod h1:O7yFFHiQwDR6b2t63KPUpccPtNdp5ADgh1gg4fd12wo=
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github.com/kr/pty v1.1.8 h1:AkaSdXYQOWeaO3neb8EM634ahkXXe3jYbVh/F9lq+GI=
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github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
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github.com/kuking/go-frodokem v1.0.1 h1:13bks3u4CPpvUtOLttT+A37j9myV4kLnS7Z3qDiTm4o=
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github.com/kuking/go-frodokem v1.0.1/go.mod h1:TzD0W9QnVOcwigeSySEuNZfJaGxWRtFRb7hXe/w/waI=
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github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
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github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
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github.com/mmcloughlin/avo v0.0.0-20200523190732-4439b6b2c061 h1:UCU8+cLbbvyxi0sQ9fSeoEhZgvrrD9HKMtX6Gmc1vk8=
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			@ -50,6 +52,7 @@ github.com/tjfoc/gmsm v1.3.0 h1:i7c6Za/IlgBvnGxYpfD7L3TGuaS+v6oGcgq+J9/ecEA=
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github.com/tjfoc/gmsm v1.3.0/go.mod h1:HaUcFuY0auTiaHB9MHFGCPx5IaLhTUd2atbCFBQXn9w=
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github.com/tjfoc/gmsm v1.3.1 h1:+k3IAlF81c31/TllJmIfuCYnjl8ziMdTWGWJcP9J1uo=
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github.com/tjfoc/gmsm v1.3.1/go.mod h1:HaUcFuY0auTiaHB9MHFGCPx5IaLhTUd2atbCFBQXn9w=
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github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
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github.com/xtaci/kcp-go v1.0.1 h1:SEZn2Iick6ualQpV8yY9cXdDTgbfBHPIwJl7UvxfxLQ=
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github.com/xtaci/kcp-go v5.4.20+incompatible h1:TN1uey3Raw0sTz0Fg8GkfM0uH3YwzhnZWQ1bABv5xAg=
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github.com/xtaci/kcp-go v5.4.20+incompatible/go.mod h1:bN6vIwHQbfHaHtFpEssmWsN45a+AZwO7eyRCmEIbtvE=
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										18
									
								
								xs/xs.go
								
								
								
								
							
							
						
						
									
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			@ -64,22 +64,22 @@ const bob = string("\r\n\r\n" +
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	"@@@@@@@^^~~~~~~~~~~~~~~~~~~~~^@@@@@@@@@\r\n" +
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	"@@@@@@^     ~^  @  @@ @ @ @ I  ~^@@@@@@\r\n" +
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	"@@@@@            ~ ~~ ~I          @@@@@\r\n" +
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	"@@@@'                  '  _,w@<    @@@@\r\n" +
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	"@@@@'                  '  _,w@<    @@@@    .\r\n" +
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	"@@@@     @@@@@@@@w___,w@@@@@@@@  @  @@@\r\n" +
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	"@@@@     @@@@@@@@@@@@@@@@@@@@@@  I  @@@\r\n" +
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	"@@@@     @@@@@@@@@@@@@@@@@@@@@@  I  @@@   Bob\r\n" +
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	"@@@@     @@@@@@@@@@@@@@@@@@@@*@[ i  @@@\r\n" +
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	"@@@@     @@@@@@@@@@@@@@@@@@@@[][ | ]@@@\r\n" +
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	"@@@@     @@@@@@@@@@@@@@@@@@@@[][ | ]@@@           bOb\r\n" +
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	"@@@@     ~_,,_ ~@@@@@@@~ ____~ @    @@@\r\n" +
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	"@@@@    _~ ,  ,  `@@@~  _  _`@ ]L  J@@@\r\n" +
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	"@@@@    _~ ,  ,  `@@@~  _  _`@ ]L  J@@@    o\r\n" +
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	"@@@@  , @@w@ww+   @@@ww``,,@w@ ][  @@@@\r\n" +
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	"@@@@,  @@@@www@@@ @@@@@@@ww@@@@@[  @@@@\r\n" +
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	"@@@@,  @@@@www@@@ @@@@@@@ww@@@@@[  @@@@      BOB\r\n" +
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	"@@@@@_|| @@@@@@P' @@P@@@@@@@@@@@[|c@@@@\r\n" +
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	"@@@@@@w| '@@P~  P]@@@-~, ~Y@@^'],@@@@@@\r\n" +
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	"@@@@@@w| '@@P~  P]@@@-~, ~Y@@^'],@@@@@@           . o\r\n" +
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	"@@@@@@@[   _        _J@@Tk     ]]@@@@@@\r\n" +
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	"@@@@@@@@,@ @@, c,,,,,,,y ,w@@[ ,@@@@@@@\r\n" +
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	"@@@@@@@@@ i @w   ====--_@@@@@  @@@@@@@@\r\n" +
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	"@@@@@@@@@ i @w   ====--_@@@@@  @@@@@@@@       o .\r\n" +
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	"@@@@@@@@@@`,P~ _ ~^^^^Y@@@@@  @@@@@@@@@\r\n" +
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	"@@@@^^=^@@^   ^' ,ww,w@@@@@ _@@@@@@@@@@\r\n" +
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	"@@@@^^=^@@^   ^' ,ww,w@@@@@ _@@@@@@@@@@    B   o   B\r\n" +
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	"@@@_xJ~ ~   ,    @@@@@@@P~_@@@@@@@@@@@@\r\n" +
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	"@@   @,   ,@@@,_____   _,J@@@@@@@@@@@@@\r\n" +
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	"@@L  `' ,@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@\r\n" +
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			@ -712,7 +712,7 @@ func main() {
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	flag.BoolVar(&dbg, "d", false, "debug logging")
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	flag.StringVar(&cipherAlg, "c", "C_AES_256", "session `cipher` [C_AES_256 | C_TWOFISH_128 | C_BLOWFISH_64 | C_CRYPTMT1 | C_CHACHA20_12]")
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	flag.StringVar(&hmacAlg, "m", "H_SHA256", "session `HMAC` [H_SHA256 | H_SHA512]")
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	flag.StringVar(&kexAlg, "k", "KEX_HERRADURA512", "KEx `alg` [KEX_HERRADURA{256/512/1024/2048} | KEX_KYBER{512/768/1024} | KEX_NEWHOPE | KEX_NEWHOPE_SIMPLE]")
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	flag.StringVar(&kexAlg, "k", "KEX_HERRADURA512", "KEx `alg` [KEX_HERRADURA{256/512/1024/2048} | KEX_KYBER{512/768/1024} | KEX_NEWHOPE | KEX_NEWHOPE_SIMPLE | KEX_FRODOKEM_{1344|976}{AES|SHAKE}]")
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	flag.StringVar(&kcpMode, "K", "unused", "KCP `alg`, one of [KCP_NONE | KCP_AES | KCP_BLOWFISH | KCP_CAST5 | KCP_SM4 | KCP_SALSA20 | KCP_SIMPLEXOR | KCP_TEA | KCP_3DES | KCP_TWOFISH | KCP_XTEA] to use KCP (github.com/xtaci/kcp-go) reliable UDP instead of TCP")
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	flag.UintVar(&port, "p", 2000, "``port")
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	//flag.StringVar(&authCookie, "a", "", "auth cookie")
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			@ -29,6 +29,10 @@ const (
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	KEX_NEWHOPE_SIMPLE // 'NewHopeLP-Simple' - https://eprint.iacr.org/2016/1157
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	KEX_resvd14
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	KEX_resvd15
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	KEX_FRODOKEM_1344AES
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	KEX_FRODOKEM_1344SHAKE
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	KEX_FRODOKEM_976AES
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	KEX_FRODOKEM_976SHAKE
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	KEX_invalid = 255
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)
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			@ -44,6 +44,7 @@ import (
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	"blitter.com/go/kyber"
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	"blitter.com/go/newhope"
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	"blitter.com/go/xs/logger"
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	frodo "github.com/kuking/go-frodokem"
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)
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/*---------------------------------------------------------------------*/
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			@ -126,6 +127,14 @@ func (k *KEXAlg) String() string {
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		return "KEX_NEWHOPE"
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	case KEX_NEWHOPE_SIMPLE:
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		return "KEX_NEWHOPE_SIMPLE"
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	case KEX_FRODOKEM_1344AES:
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		return "KEX_FRODOKEM_1344AES"
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	case KEX_FRODOKEM_1344SHAKE:
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		return "KEX_FRODOKEM_1344SHAKE"
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	case KEX_FRODOKEM_976AES:
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		return "KEX_FRODOKEM_976AES"
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	case KEX_FRODOKEM_976SHAKE:
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		return "KEX_FRODOKEM_976SHAKE"
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	default:
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		return "KEX_ERR_UNK"
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	}
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			@ -276,6 +285,14 @@ func _new(kexAlg KEXAlg, conn *net.Conn) (hc *Conn, e error) {
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	case KEX_NEWHOPE:
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		fallthrough
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	case KEX_NEWHOPE_SIMPLE:
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		fallthrough
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	case KEX_FRODOKEM_1344AES:
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		fallthrough
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	case KEX_FRODOKEM_1344SHAKE:
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		fallthrough
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	case KEX_FRODOKEM_976AES:
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		fallthrough
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	case KEX_FRODOKEM_976SHAKE:
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		log.Printf("[KEx alg %d accepted]\n", kexAlg)
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	default:
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		// UNREACHABLE: _getkexalgnum() guarantees a valid KEX value
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			@ -375,11 +392,86 @@ func getkexalgnum(extensions ...string) (k KEXAlg) {
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		case "KEX_NEWHOPE_SIMPLE":
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			k = KEX_NEWHOPE_SIMPLE
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			break //out of for
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		case "KEX_FRODOKEM_1344AES":
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			k = KEX_FRODOKEM_1344AES
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			break //out of for
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		case "KEX_FRODOKEM_1344SHAKE":
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			k = KEX_FRODOKEM_1344SHAKE
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			break //out of for
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		case "KEX_FRODOKEM_976AES":
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			k = KEX_FRODOKEM_976AES
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			break //out of for
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		case "KEX_FRODOKEM_976SHAKE":
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			k = KEX_FRODOKEM_976SHAKE
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			break //out of for
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		}
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	}
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	return
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}
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func FrodoKEMDialSetup(c io.ReadWriter, hc *Conn) (err error) {
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	// Send xsnet.Conn parameters to remote side
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	// Alice, step 1: Generate a key pair.
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	var kem frodo.FrodoKEM
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	switch hc.kex {
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	case KEX_FRODOKEM_1344AES:
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		kem = frodo.Frodo1344AES()
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	case KEX_FRODOKEM_1344SHAKE:
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		kem = frodo.Frodo1344SHAKE()
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	case KEX_FRODOKEM_976AES:
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		kem = frodo.Frodo976AES()
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	default:
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		kem = frodo.Frodo976SHAKE()
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	}
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	pubA, secA := kem.Keygen() // pA
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	//log.Printf("[pubKeyAlice: %v]\n", pubA)
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	// Alice, step 2: Send the public key (na,ea) to Bob
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	fmt.Fprintf(c, "0x%x\n", pubA)
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	// (... and cipher, connection opts)
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	fmt.Fprintf(c, "0x%x:0x%x\n", hc.cipheropts, hc.opts)
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	// [Bob does the same and sends use a public key (nb, eb)
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	pubB_bigint := big.NewInt(0)
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	_, err = fmt.Fscanf(c, "0x%x\n", pubB_bigint)
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	pubB := pubB_bigint.Bytes()
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	//log.Printf("[Got pubKeyBob[]:%v]\n", pubB)
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	// (... and cipher, connection opts)
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	_, err = fmt.Fscanf(c, "0x%x:0x%x\n",
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		&hc.cipheropts, &hc.opts)
 | 
			
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	if err != nil {
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		return err
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	}
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	// Alice, step 3: Create ctAtoB, shareA
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	ctAtoB, shareA, err := kem.Encapsulate(pubB)
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	if err != nil {
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		return err
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	}
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	// Alice, step 4: Send ctAtoB to Bob
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	fmt.Fprintf(c, "0x%x\n", ctAtoB)
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	// Alice, step 5: Receive ctBtoA from Bob
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	ctBtoA_bigint := big.NewInt(0)
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	_, err = fmt.Fscanf(c, "0x%x\n", ctBtoA_bigint)
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	ctBtoA := ctBtoA_bigint.Bytes()
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	log.Printf("[Got ctBob[]:%v]\n", ctBtoA)
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	// Alice, step 6: compute Bob's share
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	shareB, err := kem.Dencapsulate(secA, ctBtoA)
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	sessionKey := append(shareA, shareB...)
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		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", sessionKey)
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		||||
	hc.r, hc.rm, err = hc.getStream(sessionKey)
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	hc.w, hc.wm, err = hc.getStream(sessionKey)
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		||||
	return
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}
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		||||
 | 
			
		||||
// randReader wraps rand.Read() in a struct that implements io.Reader
 | 
			
		||||
// for use by the Kyber and NEWHOPE/NEWHOPE_SIMPLE KEM methods.
 | 
			
		||||
type randReader struct {
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| 
						 | 
				
			
			@ -413,7 +505,7 @@ func NewHopeDialSetup(c io.ReadWriter, hc *Conn) (err error) {
 | 
			
		|||
	for i := range pubKeyBob.Send {
 | 
			
		||||
		pubKeyBob.Send[i] = publicKeyBob.Bytes()[i]
 | 
			
		||||
	}
 | 
			
		||||
	log.Printf("[Got server pubKey[]:%v]\n", pubKeyBob)
 | 
			
		||||
	//log.Printf("[Got server pubKey[]:%v]\n", pubKeyBob)
 | 
			
		||||
 | 
			
		||||
	// Read cipheropts, session opts
 | 
			
		||||
	_, err = fmt.Fscanf(c, "0x%x:0x%x\n",
 | 
			
		||||
| 
						 | 
				
			
			@ -429,7 +521,7 @@ func NewHopeDialSetup(c io.ReadWriter, hc *Conn) (err error) {
 | 
			
		|||
	if err != nil {
 | 
			
		||||
		panic(err)
 | 
			
		||||
	}
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -457,7 +549,7 @@ func NewHopeSimpleDialSetup(c io.ReadWriter, hc *Conn) (err error) {
 | 
			
		|||
	for i := range pubKeyBob.Send {
 | 
			
		||||
		pubKeyBob.Send[i] = publicKeyBob.Bytes()[i]
 | 
			
		||||
	}
 | 
			
		||||
	log.Printf("[Got server pubKey[]:%v]\n", pubKeyBob)
 | 
			
		||||
	//log.Printf("[Got server pubKey[]:%v]\n", pubKeyBob)
 | 
			
		||||
 | 
			
		||||
	// Read cipheropts, session opts
 | 
			
		||||
	_, err = fmt.Fscanf(c, "0x%x:0x%x\n",
 | 
			
		||||
| 
						 | 
				
			
			@ -473,7 +565,7 @@ func NewHopeSimpleDialSetup(c io.ReadWriter, hc *Conn) (err error) {
 | 
			
		|||
	if err != nil {
 | 
			
		||||
		panic(err)
 | 
			
		||||
	}
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -512,7 +604,7 @@ func KyberDialSetup(c io.ReadWriter /*net.Conn*/, hc *Conn) (err error) {
 | 
			
		|||
	//if err != nil {
 | 
			
		||||
	//	return err
 | 
			
		||||
	//}
 | 
			
		||||
	log.Printf("[Got server pubKeyB[]:%v]\n", pubKeyB)
 | 
			
		||||
	//log.Printf("[Got server pubKeyB[]:%v]\n", pubKeyB)
 | 
			
		||||
 | 
			
		||||
	// Read cipheropts, session opts
 | 
			
		||||
	_, err = fmt.Fscanf(c, "0x%x:0x%x\n",
 | 
			
		||||
| 
						 | 
				
			
			@ -524,7 +616,7 @@ func KyberDialSetup(c io.ReadWriter /*net.Conn*/, hc *Conn) (err error) {
 | 
			
		|||
	// Alice, step 3: Decrypt the KEM cipher text.
 | 
			
		||||
	aliceSharedSecret := alicePrivateKey.KEMDecrypt(pubKeyB)
 | 
			
		||||
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", aliceSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(aliceSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -573,13 +665,74 @@ func HKExDialSetup(c io.ReadWriter /*net.Conn*/, hc *Conn) (err error) {
 | 
			
		|||
	return
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func FrodoKEMAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		||||
	// Bob, step 1: Generate a key pair.
 | 
			
		||||
	var kem frodo.FrodoKEM
 | 
			
		||||
 | 
			
		||||
	switch hc.kex {
 | 
			
		||||
	case KEX_FRODOKEM_1344AES:
 | 
			
		||||
		kem = frodo.Frodo1344AES()
 | 
			
		||||
	case KEX_FRODOKEM_1344SHAKE:
 | 
			
		||||
		kem = frodo.Frodo1344SHAKE()
 | 
			
		||||
	case KEX_FRODOKEM_976AES:
 | 
			
		||||
		kem = frodo.Frodo976AES()
 | 
			
		||||
	default:
 | 
			
		||||
		kem = frodo.Frodo976SHAKE()
 | 
			
		||||
	}
 | 
			
		||||
	pubB, secB := kem.Keygen()
 | 
			
		||||
	//log.Printf("[pubKeyBob: %v]\n", pubB)
 | 
			
		||||
	
 | 
			
		||||
	// Bob, step 2: Send the public key (nb,eb) to Alice
 | 
			
		||||
	fmt.Fprintf(*c, "0x%x\n", pubB)
 | 
			
		||||
	
 | 
			
		||||
	// (... and cipher, connection opts)
 | 
			
		||||
	fmt.Fprintf(*c, "0x%x:0x%x\n", hc.cipheropts, hc.opts)
 | 
			
		||||
	
 | 
			
		||||
	// [Alice does the same and sends use a public key (na, ea)
 | 
			
		||||
	pubA_bigint := big.NewInt(0)
 | 
			
		||||
	_, err = fmt.Fscanf(*c, "0x%x\n", pubA_bigint)
 | 
			
		||||
	pubA := pubA_bigint.Bytes()
 | 
			
		||||
	//log.Printf("[Got pubKeyAlice[]:%v]\n", pubA)
 | 
			
		||||
 | 
			
		||||
	// (... and cipher, connection opts)
 | 
			
		||||
	_, err = fmt.Fscanf(*c, "0x%x:0x%x\n",
 | 
			
		||||
		&hc.cipheropts, &hc.opts)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return err
 | 
			
		||||
	}
 | 
			
		||||
	
 | 
			
		||||
	// Bob, step 3: Create ctBtoA, shareB
 | 
			
		||||
	ctBtoA, shareB, err := kem.Encapsulate(pubA)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return err
 | 
			
		||||
	}
 | 
			
		||||
	
 | 
			
		||||
	// Bob, step 4: Send ctBtoA to Alice
 | 
			
		||||
	fmt.Fprintf(*c, "0x%x\n", ctBtoA)
 | 
			
		||||
	
 | 
			
		||||
	// Bob, step 5: Receive ctAtoB from Alice
 | 
			
		||||
	ctAtoB_bigint := big.NewInt(0)
 | 
			
		||||
	_, err = fmt.Fscanf(*c, "0x%x\n", ctAtoB_bigint)
 | 
			
		||||
	ctAtoB := ctAtoB_bigint.Bytes()
 | 
			
		||||
	log.Printf("[Got ctAlice[]:%v]\n", ctAtoB)
 | 
			
		||||
	
 | 
			
		||||
	// Alice, step 6: compute Bob's share
 | 
			
		||||
	shareA, err := kem.Dencapsulate(secB, ctAtoB)
 | 
			
		||||
	sessionKey := append(shareA, shareB...)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", sessionKey)
 | 
			
		||||
	
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(sessionKey)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(sessionKey)
 | 
			
		||||
	return
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
func NewHopeAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		||||
	r := new(randReader)
 | 
			
		||||
	rand.Seed(time.Now().UnixNano())
 | 
			
		||||
	// Bob, step 1: Deserialize Alice's public key from the binary encoding.
 | 
			
		||||
	alicePublicKey := big.NewInt(0)
 | 
			
		||||
	_, err = fmt.Fscanln(*c, alicePublicKey)
 | 
			
		||||
	log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	//log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return err
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -606,7 +759,7 @@ func NewHopeAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		|||
	fmt.Fprintf(*c, "0x%x\n0x%x:0x%x\n", pubKeyBob.Send,
 | 
			
		||||
		hc.cipheropts, hc.opts)
 | 
			
		||||
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -618,7 +771,7 @@ func NewHopeSimpleAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		|||
	// Bob, step 1: Deserialize Alice's public key from the binary encoding.
 | 
			
		||||
	alicePublicKey := big.NewInt(0)
 | 
			
		||||
	_, err = fmt.Fscanln(*c, alicePublicKey)
 | 
			
		||||
	log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	//log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return err
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -645,7 +798,7 @@ func NewHopeSimpleAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		|||
	fmt.Fprintf(*c, "0x%x\n0x%x:0x%x\n", pubKeyBob.Send,
 | 
			
		||||
		hc.cipheropts, hc.opts)
 | 
			
		||||
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -655,7 +808,7 @@ func KyberAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		|||
	// Bob, step 1: Deserialize Alice's public key from the binary encoding.
 | 
			
		||||
	alicePublicKey := big.NewInt(0)
 | 
			
		||||
	_, err = fmt.Fscanln(*c, alicePublicKey)
 | 
			
		||||
	log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	//log.Printf("[Got client pubKey:0x%x\n]", alicePublicKey)
 | 
			
		||||
	if err != nil {
 | 
			
		||||
		return err
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -694,7 +847,7 @@ func KyberAcceptSetup(c *net.Conn, hc *Conn) (err error) {
 | 
			
		|||
	fmt.Fprintf(*c, "0x%x\n0x%x:0x%x\n", cipherText,
 | 
			
		||||
		hc.cipheropts, hc.opts)
 | 
			
		||||
 | 
			
		||||
	log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	//log.Printf("[Derived sharedSecret:0x%x]\n", bobSharedSecret)
 | 
			
		||||
	hc.r, hc.rm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	hc.w, hc.wm, err = hc.getStream(bobSharedSecret)
 | 
			
		||||
	return
 | 
			
		||||
| 
						 | 
				
			
			@ -817,6 +970,17 @@ func Dial(protocol string, ipport string, extensions ...string) (hc Conn, err er
 | 
			
		|||
		if NewHopeSimpleDialSetup(c, &hc) != nil {
 | 
			
		||||
			return Conn{}, nil
 | 
			
		||||
		}
 | 
			
		||||
	case KEX_FRODOKEM_1344AES:
 | 
			
		||||
		fallthrough
 | 
			
		||||
	case KEX_FRODOKEM_1344SHAKE:
 | 
			
		||||
		fallthrough
 | 
			
		||||
	case KEX_FRODOKEM_976AES:
 | 
			
		||||
		fallthrough
 | 
			
		||||
	case KEX_FRODOKEM_976SHAKE:
 | 
			
		||||
		log.Printf("[Setting up for KEX_FRODOKEM %d]\n", hc.kex)
 | 
			
		||||
		if FrodoKEMDialSetup(c, &hc) != nil {
 | 
			
		||||
			return Conn{}, nil
 | 
			
		||||
		}
 | 
			
		||||
	default:
 | 
			
		||||
		return Conn{}, err
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -1000,6 +1164,26 @@ func (hl *HKExListener) Accept() (hc Conn, err error) {
 | 
			
		|||
		if NewHopeSimpleAcceptSetup(&c, &hc) != nil {
 | 
			
		||||
			return Conn{}, err
 | 
			
		||||
		}
 | 
			
		||||
	case KEX_FRODOKEM_1344AES:
 | 
			
		||||
		log.Printf("[Setting up for KEX_FRODOKEM_1344AES %d]\n", hc.kex)
 | 
			
		||||
		if FrodoKEMAcceptSetup(&c, &hc) != nil {
 | 
			
		||||
			return Conn{}, err
 | 
			
		||||
		}
 | 
			
		||||
	case KEX_FRODOKEM_1344SHAKE:
 | 
			
		||||
		log.Printf("[Setting up for KEX_FRODOKEM_1344SHAKE %d]\n", hc.kex)
 | 
			
		||||
		if FrodoKEMAcceptSetup(&c, &hc) != nil {
 | 
			
		||||
			return Conn{}, err
 | 
			
		||||
		}
 | 
			
		||||
	case KEX_FRODOKEM_976AES:
 | 
			
		||||
		log.Printf("[Setting up for KEX_FRODOKEM_976AES %d]\n", hc.kex)
 | 
			
		||||
		if FrodoKEMAcceptSetup(&c, &hc) != nil {
 | 
			
		||||
			return Conn{}, err
 | 
			
		||||
		}
 | 
			
		||||
	case KEX_FRODOKEM_976SHAKE:
 | 
			
		||||
		log.Printf("[Setting up for KEX_FRODOKEM_976SHAKE %d]\n", hc.kex)
 | 
			
		||||
		if FrodoKEMAcceptSetup(&c, &hc) != nil {
 | 
			
		||||
			return Conn{}, err
 | 
			
		||||
		}
 | 
			
		||||
	default:
 | 
			
		||||
		return Conn{}, err
 | 
			
		||||
	}
 | 
			
		||||
| 
						 | 
				
			
			@ -1235,7 +1419,7 @@ func (hc Conn) Read(b []byte) (n int, err error) {
 | 
			
		|||
			}
 | 
			
		||||
 | 
			
		||||
			hTmp := hc.rm.Sum(nil)[0:HMAC_CHK_SZ]
 | 
			
		||||
			log.Printf("<%04x) HMAC:(i)%s (c)%02x\r\n", decryptN, hex.EncodeToString([]byte(hmacIn[0:])), hTmp)
 | 
			
		||||
			//log.Printf("<%04x) HMAC:(i)%s (c)%02x\r\n", decryptN, hex.EncodeToString([]byte(hmacIn[0:])), hTmp)
 | 
			
		||||
 | 
			
		||||
			if *hc.closeStat == CSETruncCSO {
 | 
			
		||||
				logger.LogDebug(fmt.Sprintln("[cannot verify HMAC]"))
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
		Loading…
	
		Reference in New Issue