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path: root/src/pkg/crypto/elliptic/elliptic_test.go
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Diffstat (limited to 'src/pkg/crypto/elliptic/elliptic_test.go')
-rw-r--r--src/pkg/crypto/elliptic/elliptic_test.go41
1 files changed, 35 insertions, 6 deletions
diff --git a/src/pkg/crypto/elliptic/elliptic_test.go b/src/pkg/crypto/elliptic/elliptic_test.go
index b7e7f035f..1e3407ee0 100644
--- a/src/pkg/crypto/elliptic/elliptic_test.go
+++ b/src/pkg/crypto/elliptic/elliptic_test.go
@@ -5,15 +5,16 @@
package elliptic
import (
- "big"
"crypto/rand"
+ "encoding/hex"
"fmt"
+ "math/big"
"testing"
)
func TestOnCurve(t *testing.T) {
p224 := P224()
- if !p224.IsOnCurve(p224.Gx, p224.Gy) {
+ if !p224.IsOnCurve(p224.Params().Gx, p224.Params().Gy) {
t.Errorf("FAIL")
}
}
@@ -295,7 +296,25 @@ func TestBaseMult(t *testing.T) {
}
x, y := p224.ScalarBaseMult(k.Bytes())
if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y {
- t.Errorf("%d: bad output for k=%s: got (%x, %s), want (%s, %s)", i, e.k, x, y, e.x, e.y)
+ t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y)
+ }
+ if testing.Short() && i > 5 {
+ break
+ }
+ }
+}
+
+func TestGenericBaseMult(t *testing.T) {
+ // We use the P224 CurveParams directly in order to test the generic implementation.
+ p224 := P224().Params()
+ for i, e := range p224BaseMultTests {
+ k, ok := new(big.Int).SetString(e.k, 10)
+ if !ok {
+ t.Errorf("%d: bad value for k: %s", i, e.k)
+ }
+ x, y := p224.ScalarBaseMult(k.Bytes())
+ if fmt.Sprintf("%x", x) != e.x || fmt.Sprintf("%x", y) != e.y {
+ t.Errorf("%d: bad output for k=%s: got (%x, %x), want (%s, %s)", i, e.k, x, y, e.x, e.y)
}
if testing.Short() && i > 5 {
break
@@ -316,13 +335,13 @@ func BenchmarkBaseMult(b *testing.B) {
func TestMarshal(t *testing.T) {
p224 := P224()
- _, x, y, err := p224.GenerateKey(rand.Reader)
+ _, x, y, err := GenerateKey(p224, rand.Reader)
if err != nil {
t.Error(err)
return
}
- serialized := p224.Marshal(x, y)
- xx, yy := p224.Unmarshal(serialized)
+ serialized := Marshal(p224, x, y)
+ xx, yy := Unmarshal(p224, serialized)
if xx == nil {
t.Error("failed to unmarshal")
return
@@ -332,3 +351,13 @@ func TestMarshal(t *testing.T) {
return
}
}
+
+func TestP224Overflow(t *testing.T) {
+ // This tests for a specific bug in the P224 implementation.
+ p224 := P224()
+ pointData, _ := hex.DecodeString("049B535B45FB0A2072398A6831834624C7E32CCFD5A4B933BCEAF77F1DD945E08BBE5178F5EDF5E733388F196D2A631D2E075BB16CBFEEA15B")
+ x, y := Unmarshal(p224, pointData)
+ if !p224.IsOnCurve(x, y) {
+ t.Error("P224 failed to validate a correct point")
+ }
+}