Simplify keys and IVs arguments passing: use slices instead of arrays

[gogost.git] / src / cypherpunks.ru / gogost / gost28147 / ctr_test.go

diff --git a/src/cypherpunks.ru/gogost/gost28147/ctr_test.go b/src/cypherpunks.ru/gogost/gost28147/ctr_test.go
index 73a96aec95e35ff897eb722538a7da5ef85cf620..357d15c0ec8148607165dca258b31dffdd80f19a 100644 (file)
--- a/src/cypherpunks.ru/gogost/gost28147/ctr_test.go
+++ b/src/cypherpunks.ru/gogost/gost28147/ctr_test.go
@@ -26,7 +26,7 @@ import (
 
 func TestCTRGCL3Vector(t *testing.T) {
        sbox := &SboxIdGost2814789TestParamSet
-       key := [KeySize]byte{
+       key := []byte{
                0x04, 0x75, 0xf6, 0xe0, 0x50, 0x38, 0xfb, 0xfa,
                0xd2, 0xc7, 0xc3, 0x90, 0xed, 0xb3, 0xca, 0x3d,
                0x15, 0x47, 0x12, 0x42, 0x91, 0xae, 0x1e, 0x8a,
@@ -100,7 +100,7 @@ func TestCTRGCL3Vector(t *testing.T) {
                0x13, 0xc3, 0xfe, 0x1f, 0x8c, 0x55, 0x63, 0x09,
                0x1f, 0xcd, 0xd4, 0x28, 0xca,
        }
-       iv := [8]byte{0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}
+       iv := []byte{0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}
        c := NewCipher(key, sbox)
        ctr := c.NewCTR(iv)
        tmp := make([]byte, len(plaintext))
@@ -117,7 +117,7 @@ func TestCTRGCL3Vector(t *testing.T) {
 
 func TestCTRGCL2Vector(t *testing.T) {
        sbox := &SboxIdGost2814789TestParamSet
-       key := [KeySize]byte{
+       key := []byte{
                0xfc, 0x7a, 0xd2, 0x88, 0x6f, 0x45, 0x5b, 0x50,
                0xd2, 0x90, 0x08, 0xfa, 0x62, 0x2b, 0x57, 0xd5,
                0xc6, 0x5b, 0x3c, 0x63, 0x72, 0x02, 0x02, 0x57,
@@ -143,13 +143,13 @@ func TestCTRGCL2Vector(t *testing.T) {
        }
        var iv [8]byte
        c := NewCipher(key, sbox)
-       ctr := c.NewCTR(iv)
+       ctr := c.NewCTR(iv[:])
        tmp := make([]byte, len(plaintext))
        ctr.XORKeyStream(tmp, plaintext)
        if bytes.Compare(tmp, ciphertext) != 0 {
                t.Fail()
        }
-       ctr = c.NewCTR(iv)
+       ctr = c.NewCTR(iv[:])
        ctr.XORKeyStream(tmp, tmp)
        if bytes.Compare(tmp, plaintext) != 0 {
                t.Fail()
@@ -157,19 +157,15 @@ func TestCTRGCL2Vector(t *testing.T) {
 }
 
 func TestCTRRandom(t *testing.T) {
-       var key [KeySize]byte
-       rand.Read(key[:])
-       c := NewCipher(key, SboxDefault)
-       f := func(ivRaw []byte, pt []byte) bool {
-               if len(pt) == 0 || len(ivRaw) < 8 {
+       f := func(key [KeySize]byte, iv [BlockSize]byte, pt []byte) bool {
+               if len(pt) == 0 {
                        return true
                }
-               var iv [8]byte
-               copy(iv[:], ivRaw[:8])
+               c := NewCipher(key[:], SboxDefault)
                tmp := make([]byte, len(pt))
-               ctr := c.NewCTR(iv)
-               ctr.XORKeyStream(tmp, pt)
-               ctr = c.NewCTR(iv)
+               ctr := c.NewCTR(iv[:])
+               ctr.XORKeyStream(tmp, pt[:])
+               ctr = c.NewCTR(iv[:])
                ctr.XORKeyStream(tmp, tmp)
                return bytes.Compare(tmp, pt) == 0
        }
@@ -178,17 +174,17 @@ func TestCTRRandom(t *testing.T) {
        }
 }
 func TestCTRInterface(t *testing.T) {
-       var key [32]byte
+       var key [KeySize]byte
        var iv [8]byte
-       c := NewCipher(key, SboxDefault)
-       var _ cipher.Stream = c.NewCTR(iv)
+       c := NewCipher(key[:], SboxDefault)
+       var _ cipher.Stream = c.NewCTR(iv[:])
 }
 
 func BenchmarkCTR(b *testing.B) {
-       var key [KeySize]byte
-       var iv [BlockSize]byte
-       rand.Read(key[:])
-       rand.Read(iv[:])
+       key := make([]byte, KeySize)
+       iv := make([]byte, BlockSize)
+       rand.Read(key)
+       rand.Read(iv)
        dst := make([]byte, BlockSize)
        src := make([]byte, BlockSize)
        rand.Read(src)