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path: root/src/pkg/crypto/rc4/rc4_test.go
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Diffstat (limited to 'src/pkg/crypto/rc4/rc4_test.go')
-rw-r--r--src/pkg/crypto/rc4/rc4_test.go19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/pkg/crypto/rc4/rc4_test.go b/src/pkg/crypto/rc4/rc4_test.go
index 7b4df6791..af7988246 100644
--- a/src/pkg/crypto/rc4/rc4_test.go
+++ b/src/pkg/crypto/rc4/rc4_test.go
@@ -117,19 +117,30 @@ func TestGolden(t *testing.T) {
}
func TestBlock(t *testing.T) {
+ testBlock(t, (*Cipher).XORKeyStream)
+}
+
+// Test the pure Go version.
+// Because we have assembly for amd64, 386, and arm, this prevents
+// bitrot of the reference implementations.
+func TestBlockGeneric(t *testing.T) {
+ testBlock(t, (*Cipher).xorKeyStreamGeneric)
+}
+
+func testBlock(t *testing.T, xor func(c *Cipher, dst, src []byte)) {
c1a, _ := NewCipher(golden[0].key)
c1b, _ := NewCipher(golden[1].key)
data1 := make([]byte, 1<<20)
for i := range data1 {
- c1a.XORKeyStream(data1[i:i+1], data1[i:i+1])
- c1b.XORKeyStream(data1[i:i+1], data1[i:i+1])
+ xor(c1a, data1[i:i+1], data1[i:i+1])
+ xor(c1b, data1[i:i+1], data1[i:i+1])
}
c2a, _ := NewCipher(golden[0].key)
c2b, _ := NewCipher(golden[1].key)
data2 := make([]byte, 1<<20)
- c2a.XORKeyStream(data2, data2)
- c2b.XORKeyStream(data2, data2)
+ xor(c2a, data2, data2)
+ xor(c2b, data2, data2)
if !bytes.Equal(data1, data2) {
t.Fatalf("bad block")