makepad

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Ruben Daniels ebe1cab1b7 fix(base64): handle single '=' padding in base64_decode (#1027 ) The decoder only checked for double padding ('==') at input[len-2], subtracting 1 output byte. Single padding ('=') at input[len-1] was not handled, leaving 1 extra garbage byte in the decoded output. This affected 2 out of 3 input lengths (any input where len % 3 == 2), producing decoded output 1 byte longer than expected. Fix: check input[len-1] for '=' first (subtract 1 byte), then check input[len-2] for '=' (subtract another byte for double padding). Added 7 roundtrip tests covering: no padding (3n bytes), single padding (3n+2 bytes), double padding (3n+1 bytes), empty input, lengths 1-20, all 256 byte values, and URL-safe alphabet. Co-authored-by: prime intellect <prime@prime-intellects-Mac-Studio.local>	2026-04-09 20:05:45 +02:00
..
src	fix(base64): handle single '=' padding in base64_decode (#1027 )	2026-04-09 20:05:45 +02:00
Cargo.toml	1.0.0	2025-05-15 16:46:16 +02:00

Ruben Daniels ebe1cab1b7

fix(base64): handle single '=' padding in base64_decode (#1027 )

The decoder only checked for double padding ('==') at input[len-2],
subtracting 1 output byte. Single padding ('=') at input[len-1] was
not handled, leaving 1 extra garbage byte in the decoded output.

This affected 2 out of 3 input lengths (any input where len % 3 == 2),
producing decoded output 1 byte longer than expected.

Fix: check input[len-1] for '=' first (subtract 1 byte), then check
input[len-2] for '=' (subtract another byte for double padding).

Added 7 roundtrip tests covering: no padding (3n bytes), single
padding (3n+2 bytes), double padding (3n+1 bytes), empty input,
lengths 1-20, all 256 byte values, and URL-safe alphabet.

Co-authored-by: prime intellect <prime@prime-intellects-Mac-Studio.local>

2026-04-09 20:05:45 +02:00

src

fix(base64): handle single '=' padding in base64_decode (#1027 )

2026-04-09 20:05:45 +02:00

Cargo.toml

1.0.0

2025-05-15 16:46:16 +02:00