mirror of https://github.com/octoleo/restic.git
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package restic
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import (
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"bytes"
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"encoding/hex"
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"testing"
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)
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var test_values = []struct {
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ekey, skey []byte
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ciphertext []byte
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plaintext []byte
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should_panic bool
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}{
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{
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ekey: decode_hex("303e8687b1d7db18421bdc6bb8588ccadac4d59ee87b8ff70c44e635790cafef"),
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skey: decode_hex("cc8d4b948ee0ebfe1d415de921d10353ef4d8824cb80b2bcc5fbff8a9b12a42c"),
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ciphertext: decode_hex("fe85b32b108308f6f8834a96e463b66e0eae6a0f1e9809da0773a2db12a24528bce3220e6a5700b40bd45ef2a2ce96a7fc0a895a019d4a77eef5fc9579297059c6d0"),
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plaintext: []byte("Dies ist ein Test!"),
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},
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}
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func decode_hex(s string) []byte {
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d, _ := hex.DecodeString(s)
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return d
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}
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// returns true if function called panic
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func should_panic(f func()) (did_panic bool) {
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defer func() {
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if r := recover(); r != nil {
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did_panic = true
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}
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}()
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f()
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return false
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}
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func TestCrypto(t *testing.T) {
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r := &Key{}
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for _, tv := range test_values {
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// test encryption
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r.master = &keys{
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Encrypt: tv.ekey,
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Sign: tv.skey,
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}
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msg := make([]byte, maxCiphertextSize)
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n, err := r.encrypt(r.master, msg, tv.plaintext)
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if err != nil {
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t.Fatal(err)
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}
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msg = msg[:n]
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// decrypt message
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_, err = r.decrypt(r.master, msg)
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if err != nil {
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t.Fatal(err)
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}
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// change hmac, this must fail
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msg[len(msg)-8] ^= 0x23
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if _, err = r.decrypt(r.master, msg); err != ErrUnauthenticated {
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t.Fatal("wrong HMAC value not detected")
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}
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// test decryption
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p, err := r.decrypt(r.master, tv.ciphertext)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(p, tv.plaintext) {
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t.Fatalf("wrong plaintext: expected %q but got %q\n", tv.plaintext, p)
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}
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}
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}
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func TestHmac(t *testing.T) {
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}
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