base64

Base64 encoding and decoding.

Functions

encode data

Encodes a string or binary value using standard RFC 4648 base64 with padding.

Parameters:

Name	Type	Description
data	str|bin	data to encode

Returns: str - Base64 text

assert_eq (encode "") ""
assert_eq (encode "hello") "aGVsbG8="
assert_eq (encode b"hello") "aGVsbG8="
assert_eq (encode b"\x00\x01\x02") "AAEC"

decode text

Decodes standard RFC 4648 base64 text with padding and returns the raw bytes.

Parameters:

Name	Type	Description
text	str	base64 text to decode

Returns: bin - Decoded bytes

Errors:

• Raises a type error if text is not a string
• Raises an error if the input is not valid base64

assert_eq (decode "aGVsbG8=") b"hello"
assert_eq (decode $ encode "hello") b"hello"
assert_eq (decode $ encode b"\x00\x01\x02") b"\x00\x01\x02"