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ecies: drop randomness parameter from PrivateKey.Decrypt (#16374)

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The parameter `rand` is unused in `PrivateKey.Decrypt`. Decryption in
the ECIES encryption scheme is deterministic, so randomness isn't
needed.
This commit is contained in:
David Huie
2018-03-26 03:46:18 -07:00
committed by Péter Szilágyi
parent e9a1d8de34
commit 23ac783332
5 changed files with 17 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
crypto/ecies/ecies_test.go
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@ -270,7 +270,7 @@ func TestEncryptDecrypt(t *testing.T) {
t.FailNow()
}
pt, err := prv2.Decrypt(rand.Reader, ct, nil, nil)
pt, err := prv2.Decrypt(ct, nil, nil)
if err != nil {
fmt.Println(err.Error())
t.FailNow()
@ -281,7 +281,7 @@ func TestEncryptDecrypt(t *testing.T) {
t.FailNow()
}
_, err = prv1.Decrypt(rand.Reader, ct, nil, nil)
_, err = prv1.Decrypt(ct, nil, nil)
if err == nil {
fmt.Println("ecies: encryption should not have succeeded")
t.FailNow()
@ -301,7 +301,7 @@ func TestDecryptShared2(t *testing.T) {
}
// Check that decrypting with correct shared data works.
pt, err := prv.Decrypt(rand.Reader, ct, nil, shared2)
pt, err := prv.Decrypt(ct, nil, shared2)
if err != nil {
t.Fatal(err)
}
@ -310,10 +310,10 @@ func TestDecryptShared2(t *testing.T) {
}
// Decrypting without shared data or incorrect shared data fails.
if _, err = prv.Decrypt(rand.Reader, ct, nil, nil); err == nil {
if _, err = prv.Decrypt(ct, nil, nil); err == nil {
t.Fatal("ecies: decrypting without shared data didn't fail")
}
if _, err = prv.Decrypt(rand.Reader, ct, nil, []byte("garbage")); err == nil {
if _, err = prv.Decrypt(ct, nil, []byte("garbage")); err == nil {
t.Fatal("ecies: decrypting with incorrect shared data didn't fail")
}
}
@ -381,7 +381,7 @@ func testParamSelection(t *testing.T, c testCase) {
t.FailNow()
}
pt, err := prv2.Decrypt(rand.Reader, ct, nil, nil)
pt, err := prv2.Decrypt(ct, nil, nil)
if err != nil {
fmt.Printf("%s (%s)\n", err.Error(), c.Name)
t.FailNow()
@ -393,7 +393,7 @@ func testParamSelection(t *testing.T, c testCase) {
t.FailNow()
}
_, err = prv1.Decrypt(rand.Reader, ct, nil, nil)
_, err = prv1.Decrypt(ct, nil, nil)
if err == nil {
fmt.Printf("ecies: encryption should not have succeeded (%s)\n",
c.Name)
@ -422,7 +422,7 @@ func TestBasicKeyValidation(t *testing.T) {
for _, b := range badBytes {
ct[0] = b
_, err := prv.Decrypt(rand.Reader, ct, nil, nil)
_, err := prv.Decrypt(ct, nil, nil)
if err != ErrInvalidPublicKey {
fmt.Println("ecies: validated an invalid key")
t.FailNow()
@ -441,14 +441,14 @@ func TestBox(t *testing.T) {
t.Fatal(err)
}
pt, err := prv2.Decrypt(rand.Reader, ct, nil, nil)
pt, err := prv2.Decrypt(ct, nil, nil)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(pt, message) {
t.Fatal("ecies: plaintext doesn't match message")
}
if _, err = prv1.Decrypt(rand.Reader, ct, nil, nil); err == nil {
if _, err = prv1.Decrypt(ct, nil, nil); err == nil {
t.Fatal("ecies: encryption should not have succeeded")
}
}