Decode lowercase, even-length hex.
The hex string.
The bytes, or null for uppercase, odd-length or non-hex input.
null
crypto.hex.decode('0aff'); // <Buffer 0a ff>crypto.hex.decode('0AFF'); // null Copy
crypto.hex.decode('0aff'); // <Buffer 0a ff>crypto.hex.decode('0AFF'); // null
Decode lowercase, even-length hex.