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pkg/cryptstate: remove NULL crypto mode.

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It's not too sensible to have a NULL mode in the first place,
and the CryptState code expects non-0 IVs and keys.

Drop it.
This commit is contained in:
Mikkel Krautz 2016-10-15 19:18:08 +02:00
parent 4388e682ab
commit b871d9c092
2 changed files with 0 additions and 28 deletions
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2
pkg/cryptstate/cryptstate.go
View file

@ -58,8 +58,6 @@ func createMode(mode string) (CryptoMode, error) {
return &ocb2Mode{}, nil
case "XSalsa20-Poly1305":
return &secretBoxMode{}, nil
case "NULL":
return &nullMode{}, nil
}
return nil, errors.New("cryptstate: no such CryptoMode")
}

26
pkg/cryptstate/cryptstate_test.go
View file

@ -160,29 +160,3 @@ func TestXSalsa20Poly1305Decrypt(t *testing.T) {
t.Fatalf("mismatch! got\n%x\n, expected\n%x", dst, expected)
}
}
func TestNullEncrypt(t *testing.T) {
cs := CryptState{}
cs.SetKey("NULL", []byte{}, []byte{1}, []byte{1})
msg := []byte("HelloWorld")
dst := make([]byte, len(msg)+cs.Overhead())
cs.Encrypt(dst, msg)
if !bytes.Equal(dst[1:], msg) {
t.Fatalf("mismatch! got\n%x\n, expected\n%x", dst, msg)
}
}
func TestNullDecrypt(t *testing.T) {
cs := CryptState{}
cs.SetKey("NULL", []byte{}, []byte{1}, []byte{1})
msg := []byte{2}
msg = append(msg, []byte("HelloWorld")...)
dst := make([]byte, len(msg)-cs.Overhead())
err := cs.Decrypt(dst, msg)
if err != nil {
t.Fatalf("%v", err)
}
if !bytes.Equal(dst, msg[1:]) {
t.Fatalf("mismatch! got\n%x\n, expected\n%x", dst, msg)
}
}