From 7002f87477647f07c8db0b7dbe0c0b4349c31d4a Mon Sep 17 00:00:00 2001 From: Russ Magee Date: Fri, 12 Nov 2021 20:39:44 -0800 Subject: [PATCH] added hopscotch cipher --- go.mod | 1 + go.sum | 2 ++ xs/xs.go | 2 +- xsnet/chan.go | 4 ++++ xsnet/consts.go | 1 + xsnet/net.go | 8 +++++++- 6 files changed, 16 insertions(+), 2 deletions(-) diff --git a/go.mod b/go.mod index 4cfe086..3872ef3 100644 --- a/go.mod +++ b/go.mod @@ -6,6 +6,7 @@ require ( blitter.com/go/cryptmt v1.0.2 blitter.com/go/goutmp v1.0.5 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/mtwist v1.0.1 // indirect blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae diff --git a/go.sum b/go.sum index b0bb452..f8fc436 100644 --- a/go.sum +++ b/go.sum @@ -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/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/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/go.mod h1:SK6QfGG72lIfKW1Td0wH7f0wwN5nSIhV3K+wvzGNjrw= blitter.com/go/mtwist v1.0.1 h1:PxmoWexfMpLmc8neHP/PcRc3s17ct7iz4d5W/qJVt04= diff --git a/xs/xs.go b/xs/xs.go index 2247f77..5a1ab51 100755 --- a/xs/xs.go +++ b/xs/xs.go @@ -710,7 +710,7 @@ func main() { flag.BoolVar(&vopt, "v", false, "show version") 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(&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") diff --git a/xsnet/chan.go b/xsnet/chan.go index d6b2924..819083d 100644 --- a/xsnet/chan.go +++ b/xsnet/chan.go @@ -21,6 +21,7 @@ import ( "log" "blitter.com/go/cryptmt" + "blitter.com/go/hopscotch" "github.com/aead/chacha20/chacha" "golang.org/x/crypto/blowfish" "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: rc = cryptmt.New(nil, nil, keymat) 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: keymat = expandKeyMat(keymat, chacha.KeySize) key = keymat[0:chacha.KeySize] diff --git a/xsnet/consts.go b/xsnet/consts.go index ff372ed..30833a2 100644 --- a/xsnet/consts.go +++ b/xsnet/consts.go @@ -107,6 +107,7 @@ const ( CAlgBlowfish64 // golang.org/x/crypto/blowfish CAlgCryptMT1 //cryptmt using mtwist64 CAlgChaCha20_12 + CAlgHopscotch CAlgNoneDisallowed ) diff --git a/xsnet/net.go b/xsnet/net.go index 387c35d..45191b7 100644 --- a/xsnet/net.go +++ b/xsnet/net.go @@ -155,6 +155,8 @@ func (c *CSCipherAlg) String() string { return "C_BLOWFISH_64" case CAlgCryptMT1: return "C_CRYPTMT1" + case CAlgHopscotch: + return "C_HOPSCOTCH" case CAlgChaCha20_12: return "C_CHACHA20_12" default: @@ -320,7 +322,7 @@ func _new(kexAlg KEXAlg, conn *net.Conn) (hc *Conn, e error) { // // 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 // @@ -344,6 +346,10 @@ func (hc *Conn) applyConnExtensions(extensions ...string) { log.Println("[extension arg = C_CRYPTMT1]") hc.cipheropts &= (0xFFFFFF00) hc.cipheropts |= CAlgCryptMT1 + case "C_HOPSCOTCH": + log.Println("[extension arg = C_HOPSCOTCH]") + hc.cipheropts &= (0xFFFFFF00) + hc.cipheropts |= CAlgHopscotch case "C_CHACHA20_12": log.Println("[extension arg = C_CHACHA20_12]") hc.cipheropts &= (0xFFFFFF00)