117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
package encryption
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import (
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"encoding/hex"
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"strconv"
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"testing"
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"github.com/stretchr/testify/require"
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)
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const (
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aes256Key = "1234567890qwertyuiopasdfghjklzxc"
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)
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func getAES256Key() []byte {
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key := make([]byte, 32)
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copy(key[:], aes256Key)
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return key
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}
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func TestHMAC(t *testing.T) {
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encParam, err := NewParams(getAES256Key())
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require.NoError(t, err)
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hmacKey, hmacSalt, err := encParam.HMAC()
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require.NoError(t, err)
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encInfo := ObjectEncryption{
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Enabled: true,
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Algorithm: "",
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HMACKey: hex.EncodeToString(hmacKey),
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HMACSalt: hex.EncodeToString(hmacSalt),
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}
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err = encParam.MatchObjectEncryption(encInfo)
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require.NoError(t, err)
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}
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const (
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objSize = 30 * 1024 * 1024
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partNum = 6
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partSize = 5 * 1024 * 1024
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encObjSize = 31472640 // objSize + enc headers
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encPartSize = 5245440 // partSize + enc headers
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)
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func getDecrypter(t *testing.T) *Decrypter {
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parts := make([]encryptedPart, partNum)
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for i := range parts {
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parts[i] = encryptedPart{
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size: partSize,
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encryptedSize: encPartSize,
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}
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}
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params, err := NewParams(getAES256Key())
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require.NoError(t, err)
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return &Decrypter{
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parts: parts,
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encryption: *params,
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}
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}
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func TestDecrypterInitParams(t *testing.T) {
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decReader := getDecrypter(t)
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for i, tc := range []struct {
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rng *Range
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expSkipLen, expLn, expOff, expSeqNumber uint64
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expDecLen, expDataRemain, expEncPartRange uint64
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}{
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{
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rng: &Range{End: objSize - 1},
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expSkipLen: 0,
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expLn: encObjSize,
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expOff: 0,
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expSeqNumber: 0,
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expDecLen: objSize,
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expDataRemain: partSize,
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expEncPartRange: encPartSize,
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},
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{
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rng: &Range{End: 999999},
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expSkipLen: 0,
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expLn: 1049088,
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expOff: 0,
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expSeqNumber: 0,
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expDecLen: 1000000,
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expDataRemain: 1000000,
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expEncPartRange: 1049088,
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},
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{
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rng: &Range{Start: 1000000, End: 1999999},
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expSkipLen: 16960,
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expLn: 1049088,
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expOff: 983520,
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expSeqNumber: 15,
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expDecLen: 1000000,
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expDataRemain: 1000000,
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expEncPartRange: 1049088,
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},
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} {
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t.Run(strconv.Itoa(i), func(t *testing.T) {
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decReader.rangeParam = tc.rng
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decReader.initRangeParams()
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require.Equal(t, tc.expSkipLen, decReader.skipLen)
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require.Equal(t, tc.expDecLen, decReader.decLen)
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require.Equal(t, tc.expLn, decReader.length)
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require.Equal(t, tc.expOff, decReader.offset)
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require.Equal(t, tc.expDataRemain, decReader.partDataRemain)
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require.Equal(t, tc.expEncPartRange, decReader.encPartRangeLen)
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require.Equal(t, tc.expSeqNumber, decReader.seqNumber)
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})
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}
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}
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