}

func ExampleEncoding_EncodeToString() {
	data := []byte("any + old & data")
	str := base64.StdEncoding.EncodeToString(data)
	fmt.Println(str)
	// Output:
	// YW55ICsgb2xkICYgZGF0YQ==
}

func ExampleEncoding_Encode() {
	data := []byte("Hello, world!")
	dst := make([]byte, base64.StdEncoding.EncodedLen(len(data)))
	base64.StdEncoding.Encode(dst, data)
	fmt.Println(string(dst))
	// Output:
	// SGVsbG8sIHdvcmxkIQ==
}

		{RawStdEncoding, 0, 0},
		{RawStdEncoding, 1, 2},
		{RawStdEncoding, 2, 3},
		{RawStdEncoding, 3, 4},
		{RawStdEncoding, 7, 10},
		{StdEncoding, 0, 0},
		{StdEncoding, 1, 4},
		{StdEncoding, 2, 4},
		{StdEncoding, 3, 4},
		{StdEncoding, 4, 8},
		{StdEncoding, 7, 12},
	}
	// check overflow
	switch strconv.IntSize {
	case 32:
		tests = append(tests, test{RawStdEncoding, (math.MaxInt-5)/8 + 1, 357913942})

	var rawStdEncoding = StdEncoding.WithPadding(NoPadding)
	type test struct {
		enc  *Encoding
		n    int
		want int64
	}
	tests := []test{
		{StdEncoding, 0, 0},
		{StdEncoding, 1, 8},
		{StdEncoding, 2, 8},
		{StdEncoding, 3, 8},
		{StdEncoding, 4, 8},
		{StdEncoding, 5, 8},
		{StdEncoding, 6, 16},
		{StdEncoding, 10, 16},
		{StdEncoding, 11, 24},
		{rawStdEncoding, 0, 0},

func ExampleEncoding_EncodeToString() {
	data := []byte("any + old & data")
	str := base32.StdEncoding.EncodeToString(data)
	fmt.Println(str)
	// Output:
	// MFXHSIBLEBXWYZBAEYQGIYLUME======
}

func ExampleEncoding_Encode() {
	data := []byte("Hello, world!")
	dst := make([]byte, base32.StdEncoding.EncodedLen(len(data)))
	base32.StdEncoding.Encode(dst, data)
	fmt.Println(string(dst))
	// Output:
	// JBSWY3DPFQQHO33SNRSCC===
}

			MetaIV: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 31)...)), MetaAlgorithm: SealAlgorithm,
			MetaSealedKeyS3: base64.StdEncoding.EncodeToString(append([]byte{1}, make([]byte, 63)...)), MetaKeyID: "key-1",
			MetaDataEncryptionKey: base64.StdEncoding.EncodeToString(make([]byte, 48)),
		},
		DataKey: make([]byte, 48), KeyID: "key-1", SealedKey: SealedKey{Algorithm: SealAlgorithm, Key: [64]byte{1}, IV: [32]byte{1}},

	}

	metadata[MetaAlgorithm] = sealedKey.Algorithm
	metadata[MetaIV] = base64.StdEncoding.EncodeToString(sealedKey.IV[:])
	metadata[MetaSealedKeyKMS] = base64.StdEncoding.EncodeToString(sealedKey.Key[:])
	if len(ctx) > 0 {
		b, _ := ctx.MarshalText()
		metadata[MetaContext] = base64.StdEncoding.EncodeToString(b)
	}
	if len(kmsKey) > 0 && keyID != "" { // We use a KMS -> Store key ID and sealed KMS data key.

		return key, ErrMissingCustomerKeyMD5
	}

	clientKey, err := base64.StdEncoding.DecodeString(h.Get(xhttp.AmzServerSideEncryptionCustomerKey))
	if err != nil || len(clientKey) != 32 { // The client key must be 256 bits long
		return key, ErrInvalidCustomerKey
	}
	keyMD5, err := base64.StdEncoding.DecodeString(h.Get(xhttp.AmzServerSideEncryptionCustomerKeyMD5))

	// Try PEM
	if block, _ := pem.Decode(priv); block != nil {
		return x509.ParsePKCS1PrivateKey(block.Bytes)
	}
	// Try base 64
	dst := make([]byte, base64.StdEncoding.DecodedLen(len(priv)))
	if n, err := base64.StdEncoding.Decode(dst, priv); err == nil {
		return x509.ParsePKCS1PrivateKey(dst[:n])
	}
	// Try Raw, return error
	return x509.ParsePKCS1PrivateKey(priv)
}

func fatalErr(err error) {

	if err != nil {
		return "", err
	}
	defer f.Close()

	tmp, err := os.CreateTemp("", "obscuretestdata-decoded-")
	if err != nil {
		return "", err
	}
	if _, err := io.Copy(tmp, base64.NewDecoder(base64.StdEncoding, f)); err != nil {
		tmp.Close()
		os.Remove(tmp.Name())
		return "", err
	}
	if err := tmp.Close(); err != nil {
		os.Remove(tmp.Name())
		return "", err
	}
	return tmp.Name(), nil
}

	metadata[MetaAlgorithm] = sealedKey.Algorithm
	metadata[MetaIV] = base64.StdEncoding.EncodeToString(sealedKey.IV[:])
	metadata[MetaSealedKeyS3] = base64.StdEncoding.EncodeToString(sealedKey.Key[:])
	if len(kmsKey) > 0 && keyID != "" { // We use a KMS -> Store key ID and sealed KMS data key.
		metadata[MetaKeyID] = keyID
		metadata[MetaDataEncryptionKey] = base64.StdEncoding.EncodeToString(kmsKey)
	}
	return metadata
}