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package pki
import (
"crypto/elliptic"
"encoding/pem"
"testing"
)
var (
SignatureMessage = []byte("foobar")
)
// run the marshal test
func RunMarshalTest(pk_type string, pe Pemmer, label string, t *testing.T) ([]byte, error) {
marsh_pem, err := pe.MarshalPem()
if err != nil {
t.Errorf("%s: marshal pem not working: %s", pk_type, err)
return nil, err
}
block, _ := pem.Decode(marsh_pem)
if block.Type != label {
t.Errorf("%s: marshalled pem wrong: %s", pk_type, err)
return nil, err
}
return block.Bytes, nil
}
// test other private key functions
func RunPrivateKeyTests(pk_type string, pk PrivateKey, t *testing.T) {
pu := pk.Public()
// TODO check return result of the marshalled public key
_, err := RunMarshalTest(pk_type + "-public", pu, PemLabelPublic, t)
if err != nil { return }
signature, err := pk.Sign(SignatureMessage)
if err != nil { t.Errorf("%s: error creating a signature: %s", pk_type, err) }
valid, err := pu.Verify(SignatureMessage, signature)
if err != nil { t.Errorf("%s: could not verify message: %s", pk_type, err) }
if !valid { t.Errorf("%s: signature invalid, but should be valid!", pk_type) }
}
// test ecdsa private key functions
func TestEcdsaFunctions(t *testing.T) {
pk, err := NewPrivateKeyEcdsa(elliptic.P521())
if err != nil { t.Errorf("ecdsa: creating private key failed: %s", err) }
block_bytes, err := RunMarshalTest("ecdsa", pk, PemLabelEcdsa, t)
if err != nil { return }
pk, err = LoadPrivateKeyEcdsa(block_bytes)
if err != nil { t.Errorf("ecdsa: pem content wrong: %s", err) }
RunPrivateKeyTests("ecdsa", pk, t)
}
// test rsa private key functions
func TestRsaFunctions(t *testing.T) {
pk, err := NewPrivateKeyRsa(2048)
if err != nil { t.Errorf("rsa: creating private key failed: %s", err) }
block_bytes, err := RunMarshalTest("rsa", pk, PemLabelRsa, t)
if err != nil { return }
pk, err = LoadPrivateKeyRsa(block_bytes)
if err != nil { t.Errorf("rsa: pem content wrong: %s", err) }
RunPrivateKeyTests("rsa", pk, t)
}
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