Encoding and decoding lua strings

local encoded = base64url.encode("abcd")
local decoded = base64url.decode(encoded)

Encoding C byte arrays

local pl -- pl is core.object.payload
local encoded = base64url.encode(pl.payload, pl.len)

Functions

Base64Url.encode(data, data_len)

Encode lua string or C byte array to base64url representation. The input string may contain non-printable characters.

data_len is length of the input data (optional for lua strings, required for C byte arrays).

Base64Url.decode(data)

Decode a base64url encoded lua string. The output string may contain non-printable characters.