mirror of
https://gogs.blitter.com/RLabs/xs
synced 2024-08-14 10:26:42 +00:00
Removed WANDERER exp c_alg
Signed-off-by: Russ Magee <rmagee@gmail.com>
This commit is contained in:
Russ Magee
parent
d68f716839
commit
7907b23fce
6 changed files with 16 additions and 243 deletions
21
go.mod
21
go.mod
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@ -7,24 +7,23 @@ require (
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blitter.com/go/goutmp v1.0.2
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blitter.com/go/herradurakex v1.0.0
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blitter.com/go/kyber v0.0.0-20200130200857-6f2021cb88d9
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blitter.com/go/mtwist v1.0.1 // indirect
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blitter.com/go/mtwist v1.0.1
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blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae
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blitter.com/go/wanderer v0.8.2
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github.com/jameskeane/bcrypt v0.0.0-20120420032655-c3cd44c1e20f
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github.com/klauspost/cpuid v1.2.2 // indirect
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github.com/klauspost/reedsolomon v1.9.3 // indirect
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github.com/klauspost/cpuid v1.2.2
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github.com/klauspost/reedsolomon v1.9.3
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github.com/kr/pty v1.1.4
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github.com/mattn/go-isatty v0.0.7
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github.com/pkg/errors v0.8.1 // indirect
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github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161 // indirect
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github.com/templexxx/xor v0.0.0-20181023030647-4e92f724b73b // indirect
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github.com/tjfoc/gmsm v1.0.1 // indirect
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github.com/pkg/errors v0.8.1
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github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161
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github.com/templexxx/xor v0.0.0-20181023030647-4e92f724b73b
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github.com/tjfoc/gmsm v1.0.1
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github.com/xtaci/kcp-go v5.4.19+incompatible
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github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae // indirect
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golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
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golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553 // indirect
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golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553
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golang.org/x/sys v0.0.0-20190902133755-9109b7679e13
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gopkg.in/hlandau/easymetric.v1 v1.0.0 // indirect
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gopkg.in/hlandau/measurable.v1 v1.0.1 // indirect
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gopkg.in/hlandau/easymetric.v1 v1.0.0
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gopkg.in/hlandau/measurable.v1 v1.0.1
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gopkg.in/hlandau/passlib.v1 v1.0.10
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)
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213
vendor/blitter.com/go/wanderer/wanderer.go
generated
vendored
213
vendor/blitter.com/go/wanderer/wanderer.go
generated
vendored
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@ -1,213 +0,0 @@
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// Package wanderer - a crypto doodle that appears to give adequate
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// protection to data in a stream cipher context
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//
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// Properties visualized using https://github.com/circulosmeos/circle
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package wanderer
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// TODOs:
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// -define s-box rotation/shuffle schema
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// -devise p-box schema (? Meh. Need to blockify & re-streamify to do this)
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// ...
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import (
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"errors"
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"fmt"
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"io"
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"time"
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mtwist "blitter.com/go/mtwist"
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)
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const (
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keylen = 512
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sboxCount = keylen / 8
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)
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type Cipher struct {
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prng *mtwist.MT19937_64
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r io.Reader
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w io.Writer
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k []byte
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kidx uint
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sboxen [][]byte
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sw int
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sh int
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sctr int // TODO: used to count down to re-keying & sbox regen
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mode int
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n byte
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}
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// Given input byte x (treated as 2-bit dirs),
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// 'walk' box applying XOR of each position (E/S/W/N) given box
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// dimensions w,h
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// NOTE to ensure reachability of all values within a box, w,h
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// should not each exceed 3 and should probably stay at 2, to
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// give more even coverage given random input.
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func walkingXOR(key, s []byte, w, h int, x byte) (r byte) {
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i := 0
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r = x
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for sidx := range key {
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ktemp := key[sidx]
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r = r ^ (s[i])
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for shift := uint(0); shift < 8; shift += 2 {
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// fmt.Println("i:", i, "r:", r)
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dir := (ktemp >> shift) & 0x03
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switch dir {
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case 0:
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i = i + 1
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i = i % len(s)
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case 1:
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i = i + w
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i = i % len(s)
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case 2:
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if i%w != 0 {
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i = i - 1
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} else {
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i = i + w - 1
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}
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case 3:
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if i >= w {
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i = i - w
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} else {
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i = len(s) + i - w
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}
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}
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r = r ^ (s[i])
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}
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}
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return
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}
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func (c *Cipher) genSBoxen(n uint) {
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c.sboxen = make([][]byte, n)
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var idx uint
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for ; idx < n; idx++ {
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c.sboxen[idx] = make([]byte, c.sw*c.sh)
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_, _ = c.prng.Read(c.sboxen[idx])
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}
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//fmt.Fprintf(os.Stderr, "sboxen[0]:%v\n", c.sboxen[0])
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}
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func New(r io.Reader, w io.Writer, mode int, key []byte, width, height int) (c *Cipher) {
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c = &Cipher{}
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c.prng = mtwist.New()
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if len(key) == 0 {
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c.k = []byte(fmt.Sprintf("%s", time.Now()))
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} else {
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c.k = key
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}
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c.prng.SeedFullState(c.k)
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// Discard first 64 bytes of MT output
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for idx := 0; idx < 64; idx++ {
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_ = c.prng.Int63()
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}
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c.mode = mode
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c.r = r
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c.w = w
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c.sw = width
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c.sh = height
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c.sctr = c.sw // sbox ctr: countdown to regen sboxes
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c.n = 0
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c.genSBoxen(sboxCount)
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// fmt.Printf("%+v\n", sboxen)
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// c.buf = make([]byte, 4)
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return c
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}
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func (c *Cipher) Read(p []byte) (n int, err error) {
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n, err = c.r.Read(p)
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if err == nil {
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for idx := 0; idx < n; idx++ {
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p[idx] = c.yield(p[idx])
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}
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}
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return n, err
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}
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func (c *Cipher) Write(p []byte) (n int, err error) {
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n, err = c.w.Write(p)
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return n, err
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}
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// Mutate the session key (intended to be called as encryption
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// proceeds), so that the 'walk path' through sboxes also does so.
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func (c *Cipher) keyUpdate(perturb byte) {
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c.k[c.kidx] = c.k[c.kidx] ^ c.k[(c.kidx+1)%uint(len(c.k))]
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c.k[c.kidx] = c.k[c.kidx] ^ byte((c.prng.Int63()>>4)%256)
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c.kidx = (c.kidx + uint(perturb)) % uint(len(c.k))
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//for idx := 0; idx < len(c.k); idx++ {
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// c.k[idx] = c.k[idx] ^ byte(c.prng.Int63() % 256)
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//}
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}
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// slow - perturb a single octet of a single sbox for each octet
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// (CV = ~8.725% over 700 MiB of 0-byte pt)
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func (c *Cipher) sboxUpdateA(perturb byte) {
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c.sboxen[perturb%sboxCount][int(perturb)%(c.sw+c.sh)] ^=
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perturb
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}
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// slower - perturb a single sbox for each octet
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// (CV = ~5.6369% over 700 MiB of 0-byte pt)
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func (c *Cipher) sboxUpdateB(perturb byte) {
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lim := c.sw * c.sh
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for idx := 0; idx < lim; idx++ {
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c.sboxen[perturb%sboxCount][idx] ^= perturb
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}
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}
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// slowest -- full sbox re-gen after each octet
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// (but lowest CV, ~0.0554% over 700MiB of 0-byte pt)
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func (c *Cipher) sboxUpdateC(perturb byte) {
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c.genSBoxen(sboxCount)
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//c.sboxen[perturb%sboxCount][int(perturb)%(c.sw+c.sh)] ^=
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// perturb
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}
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func (c *Cipher) yield(ib byte) (ob byte) {
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ob = walkingXOR(c.k, c.sboxen[c.n], c.sw, c.sh, ib)
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c.n = (c.n + 1) % byte(len(c.sboxen))
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c.keyUpdate(ob ^ ib) // must be equal in either encrypt/decrypt dirs
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switch c.mode {
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case 0:
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// [nothing - varA]
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break
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case 1:
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c.sboxUpdateA(ob ^ ib) // varA
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case 2:
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c.sboxUpdateB(ob ^ ib) // varB
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case 3:
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c.sboxUpdateC(ob ^ ib) // varC
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default:
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// [nothing]
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}
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// c.sctr = c.sctr - 1
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// if c.sctr == 0 {
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// c.genSBoxen(sboxCount)
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// c.sctr = c.sw
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// }
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return ob
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}
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// XORKeyStream XORs each byte in the given slice with a byte from the
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// cipher's key stream. Dst and src must overlap entirely or not at all.
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//
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// If len(dst) < len(src), XORKeyStream should panic. It is acceptable
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// to pass a dst bigger than src, and in that case, XORKeyStream will
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// only update dst[:len(src)] and will not touch the rest of dst.
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//
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// Multiple calls to XORKeyStream behave as if the concatenation of
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// the src buffers was passed in a single run. That is, Stream
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// maintains state and does not reset at each XORKeyStream call.
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func (c *Cipher) XORKeyStream(dst, src []byte) {
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//fmt.Printf("len dst:%d len src:%d\n", len(dst), len(src))
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if len(dst) < len(src) {
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panic(errors.New("len(dst) < len(src)"))
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}
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for idx, v := range src {
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dst[idx] = c.yield(v)
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}
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}
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14
vendor/modules.txt
vendored
14
vendor/modules.txt
vendored
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@ -15,8 +15,6 @@ blitter.com/go/kyber
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blitter.com/go/mtwist
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# blitter.com/go/newhope v0.0.0-20200130200750-192fc08a8aae
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blitter.com/go/newhope
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# blitter.com/go/wanderer v0.8.2
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blitter.com/go/wanderer
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# github.com/jameskeane/bcrypt v0.0.0-20120420032655-c3cd44c1e20f
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github.com/jameskeane/bcrypt
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# github.com/klauspost/cpuid v1.2.2
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@ -39,19 +37,19 @@ github.com/tjfoc/gmsm/sm4
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github.com/xtaci/kcp-go
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# golang.org/x/crypto v0.0.0-20200128174031-69ecbb4d6d5d
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golang.org/x/crypto/blowfish
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golang.org/x/crypto/pbkdf2
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golang.org/x/crypto/twofish
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golang.org/x/crypto/sha3
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golang.org/x/crypto/cast5
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golang.org/x/crypto/pbkdf2
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golang.org/x/crypto/salsa20
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golang.org/x/crypto/tea
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golang.org/x/crypto/twofish
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golang.org/x/crypto/xtea
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golang.org/x/crypto/argon2
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golang.org/x/crypto/bcrypt
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golang.org/x/crypto/blake2b
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golang.org/x/crypto/internal/subtle
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golang.org/x/crypto/salsa20/salsa
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golang.org/x/crypto/blake2b
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golang.org/x/crypto/argon2
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golang.org/x/crypto/bcrypt
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golang.org/x/crypto/scrypt
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golang.org/x/crypto/sha3
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# golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553
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golang.org/x/net/ipv4
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golang.org/x/net/ipv6
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@ -21,7 +21,6 @@ import (
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"log"
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"blitter.com/go/cryptmt"
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"blitter.com/go/wanderer"
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"golang.org/x/crypto/blowfish"
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"golang.org/x/crypto/twofish"
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@ -105,9 +104,6 @@ func (hc Conn) getStream(keymat []byte) (rc cipher.Stream, mc hash.Hash, err err
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case CAlgCryptMT1:
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rc = cryptmt.New(nil, nil, keymat)
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log.Printf("[cipher CRYPTMT1 (%d)]\n", copts)
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case CAlgWanderer:
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rc = wanderer.New(nil, nil, 1, keymat, 3, 3)
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log.Printf("[cipher WANDERER mode 1 (%d)]\n", copts)
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default:
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log.Printf("[invalid cipher (%d)]\n", copts)
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fmt.Printf("DOOFUS SET A VALID CIPHER ALG (%d)\n", copts)
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@ -99,7 +99,6 @@ const (
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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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CAlgWanderer // inhouse experimental crypto alg
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CAlgNoneDisallowed
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)
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@ -145,8 +145,6 @@ func (c *CSCipherAlg) String() string {
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return "C_BLOWFISH_64"
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case CAlgCryptMT1:
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return "C_CRYPTMT1"
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case CAlgWanderer:
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return "C_WANDERER"
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default:
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return "C_ERR_UNK"
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}
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@ -324,10 +322,6 @@ func (hc *Conn) applyConnExtensions(extensions ...string) {
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log.Println("[extension arg = C_CRYPTMT1]")
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hc.cipheropts &= (0xFFFFFF00)
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hc.cipheropts |= CAlgCryptMT1
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case "C_WANDERER":
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log.Println("[extension arg = C_WANDERER]")
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hc.cipheropts &= (0xFFFFFF00)
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hc.cipheropts |= CAlgWanderer
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case "H_SHA256":
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log.Println("[extension arg = H_SHA256]")
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hc.cipheropts &= (0xFFFF00FF)
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