ba03f46316
Implement wrapper over io.Writer that applies binary salt to written data. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
34 lines
521 B
Go
34 lines
521 B
Go
package util_test
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import (
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"bytes"
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"crypto/rand"
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"testing"
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"github.com/nspcc-dev/neofs-node/pkg/util"
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"github.com/stretchr/testify/require"
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)
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func randData(sz int) []byte {
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data := make([]byte, sz)
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_, _ = rand.Read(data)
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return data
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}
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func TestSaltWriter_Write(t *testing.T) {
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salt := randData(4)
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data := randData(15)
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buf := bytes.NewBuffer(nil)
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w := util.NewSaltingWriter(buf, salt)
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_, err := w.Write(data)
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require.NoError(t, err)
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require.Equal(t,
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buf.Bytes(),
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util.SaltXOR(data, salt),
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)
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}
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