Function newCipher

backend/crypt/cipher.go:187–203

newCipher initialises the cipher. If salt is "" then it uses a built in salt val

(mode NameEncryptionMode, password, salt string, dirNameEncrypt bool, enc fileNameEncoding)

// newCipher initialises the cipher.  If salt is "" then it uses a built in salt val
func newCipher(mode NameEncryptionMode, password, salt string, dirNameEncrypt bool, enc fileNameEncoding) (*Cipher, error) {
	c := &Cipher{
		mode:            mode,
		fileNameEnc:     enc,
		cryptoRand:      rand.Reader,
		dirNameEncrypt:  dirNameEncrypt,
		encryptedSuffix: ".bin",
	}
	c.buffers.New = func() any {
		return new([blockSize]byte)
	}
	err := c.Key(password, salt)
	if err != nil {
		return nil, err
	}
	return c, nil
}

// setEncryptedSuffix set suffix, or an empty string
func (c *Cipher) setEncryptedSuffix(suffix string) {