public final class Base32

Object
Base32

Base32 encoder/decoder per RFC 4648. Mostly useful for OTP shared secrets, which are conventionally distributed as Base32 strings (the format embedded in QR codes by authenticator apps).

Example

byte[] secret = Base32.decode("JBSWY3DPEHPK3PXP");
String enc    = Base32.encode(secret);

Methods

`public static` `String encode(byte[] data)`	Encodes the bytes as a Base32 string (uppercase, with `=` padding).
`public static byte[] decode(String s)`	Decodes a Base32 string.

Inherited methods

From Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait, clone

Method details

encode

public static String encode(byte[] data)

Encodes the bytes as a Base32 string (uppercase, with = padding).

decode

public static byte[] decode(String s)

Decodes a Base32 string. Padding and whitespace are tolerated; mixed case is accepted.