added hopscotch cipher

This commit is contained in:
Russ Magee 2021-11-12 20:39:44 -08:00
parent db8697aa35
commit 129dce4b08
6 changed files with 16 additions and 2 deletions

1
go.mod
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@ -6,6 +6,7 @@ require (
blitter.com/go/cryptmt v1.0.2 blitter.com/go/cryptmt v1.0.2
blitter.com/go/goutmp v1.0.5 blitter.com/go/goutmp v1.0.5
blitter.com/go/herradurakex v1.0.0 blitter.com/go/herradurakex v1.0.0
blitter.com/go/hopscotch v0.0.0-20211113042251-b8a306eea4dc
blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9 blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9
blitter.com/go/mtwist v1.0.1 // indirect blitter.com/go/mtwist v1.0.1 // indirect
blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae

2
go.sum
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@ -6,6 +6,8 @@ blitter.com/go/goutmp v1.0.5 h1:isP6bxSs1O06Oy7wB8u4y5SgLr22txfjg/gjG4qn0Og=
blitter.com/go/goutmp v1.0.5/go.mod h1:gtlbjC8xGzMk/Cf0BpnVltSa3awOqJ+B5WAxVptTMxk= blitter.com/go/goutmp v1.0.5/go.mod h1:gtlbjC8xGzMk/Cf0BpnVltSa3awOqJ+B5WAxVptTMxk=
blitter.com/go/herradurakex v1.0.0 h1:6XaxY+JLT1HUWPF0gYJnjX3pVjrw4YhYZEzZ1U0wkyc= blitter.com/go/herradurakex v1.0.0 h1:6XaxY+JLT1HUWPF0gYJnjX3pVjrw4YhYZEzZ1U0wkyc=
blitter.com/go/herradurakex v1.0.0/go.mod h1:m3+vYZX+2dDjdo+n/HDnXEYJX9pwmNeQLgAfJM8mtxw= blitter.com/go/herradurakex v1.0.0/go.mod h1:m3+vYZX+2dDjdo+n/HDnXEYJX9pwmNeQLgAfJM8mtxw=
blitter.com/go/hopscotch v0.0.0-20211113042251-b8a306eea4dc h1:IS+jxdKSdlqp6TWG3yMoBde/cctBEMwMDg588JHxgTE=
blitter.com/go/hopscotch v0.0.0-20211113042251-b8a306eea4dc/go.mod h1:9Da1oy0t9aUw3wviba+2mP1inbLGbDuCKAO3mmGQha4=
blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9 h1:D45AnrNphtvczBXRp5JQicZRTgaK/Is5bgPDDvRKhTc= blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9 h1:D45AnrNphtvczBXRp5JQicZRTgaK/Is5bgPDDvRKhTc=
blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9/go.mod h1:SK6QfGG72lIfKW1Td0wH7f0wwN5nSIhV3K+wvzGNjrw= blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9/go.mod h1:SK6QfGG72lIfKW1Td0wH7f0wwN5nSIhV3K+wvzGNjrw=
blitter.com/go/mtwist v1.0.1 h1:PxmoWexfMpLmc8neHP/PcRc3s17ct7iz4d5W/qJVt04= blitter.com/go/mtwist v1.0.1 h1:PxmoWexfMpLmc8neHP/PcRc3s17ct7iz4d5W/qJVt04=

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@ -710,7 +710,7 @@ func main() {
flag.BoolVar(&vopt, "v", false, "show version") flag.BoolVar(&vopt, "v", false, "show version")
flag.BoolVar(&dbg, "d", false, "debug logging") flag.BoolVar(&dbg, "d", false, "debug logging")
flag.StringVar(&cipherAlg, "c", "C_AES_256", "session `cipher` [C_AES_256 | C_TWOFISH_128 | C_BLOWFISH_64 | C_CRYPTMT1 | C_CHACHA20_12]") flag.StringVar(&cipherAlg, "c", "C_AES_256", "session `cipher` [C_AES_256 | C_TWOFISH_128 | C_BLOWFISH_64 | C_CRYPTMT1 | C_CHACHA20_12 | C_HOPSCOTCH]")
flag.StringVar(&hmacAlg, "m", "H_SHA256", "session `HMAC` [H_SHA256 | H_SHA512]") flag.StringVar(&hmacAlg, "m", "H_SHA256", "session `HMAC` [H_SHA256 | H_SHA512]")
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}]") 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}]")
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") 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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@ -21,6 +21,7 @@ import (
"log" "log"
"blitter.com/go/cryptmt" "blitter.com/go/cryptmt"
"blitter.com/go/hopscotch"
"github.com/aead/chacha20/chacha" "github.com/aead/chacha20/chacha"
"golang.org/x/crypto/blowfish" "golang.org/x/crypto/blowfish"
"golang.org/x/crypto/twofish" "golang.org/x/crypto/twofish"
@ -105,6 +106,9 @@ func (hc *Conn) getStream(keymat []byte) (rc cipher.Stream, mc hash.Hash, err er
case CAlgCryptMT1: case CAlgCryptMT1:
rc = cryptmt.New(nil, nil, keymat) rc = cryptmt.New(nil, nil, keymat)
log.Printf("[cipher CRYPTMT1 (%d)]\n", copts) log.Printf("[cipher CRYPTMT1 (%d)]\n", copts)
case CAlgHopscotch:
rc = hopscotch.New(nil, nil, 4, keymat)
log.Printf("[cipher HOPSCOTCH (%d)]\n", copts)
case CAlgChaCha20_12: case CAlgChaCha20_12:
keymat = expandKeyMat(keymat, chacha.KeySize) keymat = expandKeyMat(keymat, chacha.KeySize)
key = keymat[0:chacha.KeySize] key = keymat[0:chacha.KeySize]

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@ -107,6 +107,7 @@ const (
CAlgBlowfish64 // golang.org/x/crypto/blowfish CAlgBlowfish64 // golang.org/x/crypto/blowfish
CAlgCryptMT1 //cryptmt using mtwist64 CAlgCryptMT1 //cryptmt using mtwist64
CAlgChaCha20_12 CAlgChaCha20_12
CAlgHopscotch
CAlgNoneDisallowed CAlgNoneDisallowed
) )

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@ -155,6 +155,8 @@ func (c *CSCipherAlg) String() string {
return "C_BLOWFISH_64" return "C_BLOWFISH_64"
case CAlgCryptMT1: case CAlgCryptMT1:
return "C_CRYPTMT1" return "C_CRYPTMT1"
case CAlgHopscotch:
return "C_HOPSCOTCH"
case CAlgChaCha20_12: case CAlgChaCha20_12:
return "C_CHACHA20_12" return "C_CHACHA20_12"
default: default:
@ -320,7 +322,7 @@ func _new(kexAlg KEXAlg, conn *net.Conn) (hc *Conn, e error) {
// //
// Session (symmetric) crypto // Session (symmetric) crypto
// //
// C_AES_256 C_TWOFISH_128 C_BLOWFISH_128 C_CRYPTMT1 C_CHACHA20_12 // C_AES_256 C_TWOFISH_128 C_BLOWFISH_128 C_CRYPTMT1 C_CHACHA20_12 C_HOPSCOTCH
// //
// Session HMACs // Session HMACs
// //
@ -344,6 +346,10 @@ func (hc *Conn) applyConnExtensions(extensions ...string) {
log.Println("[extension arg = C_CRYPTMT1]") log.Println("[extension arg = C_CRYPTMT1]")
hc.cipheropts &= (0xFFFFFF00) hc.cipheropts &= (0xFFFFFF00)
hc.cipheropts |= CAlgCryptMT1 hc.cipheropts |= CAlgCryptMT1
case "C_HOPSCOTCH":
log.Println("[extension arg = C_HOPSCOTCH]")
hc.cipheropts &= (0xFFFFFF00)
hc.cipheropts |= CAlgHopscotch
case "C_CHACHA20_12": case "C_CHACHA20_12":
log.Println("[extension arg = C_CHACHA20_12]") log.Println("[extension arg = C_CHACHA20_12]")
hc.cipheropts &= (0xFFFFFF00) hc.cipheropts &= (0xFFFFFF00)