jodd-json/src/main/java/jodd/json/JsonObject.java
public byte[] getBinary(final String key) {
		String encoded = (String) map.get(key);
		return encoded == null ? null : Base64.getDecoder().decode(encoded);
	}
public byte[] getBinary(final String key) {
		String encoded = (String) map.get(key);
		return encoded == null ? null : Base64.getDecoder().decode(encoded);
	}
Returns the binary value with the specified key.
<p>
JSON itself has no notion of a binary. This extension complies to the RFC-7493.
THe byte array is Base64 encoded binary.