41 lines
695 B
Go
41 lines
695 B
Go
package encrypt
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import (
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"bytes"
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"errors"
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"io"
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"io/fs"
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"os"
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"filippo.io/age"
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)
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// Encrypt encrypts bytes into filename
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func Encrypt(data []byte, filename string, recipients ...age.Recipient) error {
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var (
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w io.WriteCloser
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out = &bytes.Buffer{}
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err error
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)
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if len(recipients) == 0 {
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return errors.New("no recepients? who's trying to encrypt?")
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}
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if w, err = age.Encrypt(out, recipients...); err != nil {
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return err
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}
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io.WriteString(w, string(data))
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if err = w.Close(); err != nil {
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return err
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}
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os.Truncate(filename, 0) // in case it exists already
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if err = os.WriteFile(filename, out.Bytes(), fs.FileMode(0600)); err != nil {
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return err
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}
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return nil
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}
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