Bump golang.org/x/sys in /kem/mkem (#50)

Bumps [golang.org/x/sys](https://github.com/golang/sys) from 0.0.0-20191120155948-bd437916bb0e to 0.1.0.
- [Release notes](https://github.com/golang/sys/releases)
- [Commits](https://github.com/golang/sys/commits/v0.1.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sys
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Makefile

@@ -11,6 +11,17 @@ BENCH_OPTS   ?= -v -bench=. -run="^_" -benchmem
 TEST_PATH    ?= ./...
 DBG 		 = 1
 OPTS_ENV	 =
+OPTS_TAGS    ?= -tags noasm
+ARCH = $(shell uname -m)
+
+ifeq ($(ARCH), ppc64le)
+	NOASM+=1
+endif
+
+ifeq ($(ARCH), riscv64)
+	NOASM+=1
+	OPTS_TAGS+= -timeout 0
+endif
 
 ifeq ($(NOASM),1)
 	OPTS+=$(OPTS_TAGS)

dh/csidh/fp511.go

@@ -1,3 +1,5 @@
+// +build noasm amd64 arm64 ppc64le riscv64
+
 package csidh
 
 import (

drbg/internal/aes/aes_test.go

@@ -1,6 +1,8 @@
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
+// +build noasm amd64 arm64 ppc64le riscv64
+
 
 package aes
 

drbg/internal/aes/cipher.go

@@ -1,6 +1,7 @@
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
+// +build noasm amd64 arm64 ppc64le riscv64
 
 package aes
 

drbg/internal/aes/cipher_noasm.go

@@ -0,0 +1,27 @@
+// +build noasm ppc64le riscv64
+
+package aes
+
+import(
+        "errors"
+)
+
+type AESAsm struct {
+}
+
+func (a *AESAsm) SetKey(key []byte) error {
+        panic("NotImplemented")
+        return errors.New("ErrNotImplemented")
+}
+
+func (a *AESAsm) Encrypt(dst, src []byte) {
+        panic("NotImplemented")
+}
+
+func (a *AESAsm) Decrypt(dst, src []byte) {
+        panic("NotImplemented")
+}
+
+func expandKey(key []byte, enc, dec []uint32) {
+        expandKeyGo(key, enc, dec)
+}

drbg/internal/aes/generic.go

@@ -1,6 +1,7 @@
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
+// +build noasm amd64 arm64 ppc64le riscv64
 
 // This Go implementation is derived in part from the reference
 // ANSI C implementation, which carries the following notice:

go.mod

@@ -2,4 +2,4 @@ module github.com/henrydcase/nobs
 
 go 1.12
 
-require golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e
+require golang.org/x/sys v0.1.0

go.sum

@@ -1,2 +1,2 @@
-golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e h1:N7DeIrjYszNmSW409R3frPPwglRwMkXSBzwVbkOjLLA=
-golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

kem/mkem/go.mod

@@ -5,5 +5,5 @@ go 1.12
 require (
 	github.com/dterei/gotsc v0.0.0-20160722215413-e78f872945c6
 	github.com/henrydcase/nobs v0.0.0-20200516223741-2500d74484f2
-	golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e
+	golang.org/x/sys v0.1.0 // indirect
 )