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jets: add comment explaining length matching

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Matthew LeVan 2024-01-08 18:18:04 -05:00
parent 824e6cf7e9
commit 1a323204e3
1 changed files with 2 additions and 0 deletions
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rust/ares/src/jets/lock/aes.rs
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@ -183,6 +183,8 @@ mod util {
let (mut iv, iv_bytes) = IndirectAtom::new_raw_mut_bytearray::<16, NockStack>(stack);
// We match on length here and elsewhere where a similar pattern is followed
// to avoid panicking when a zero length is passed to IndirectAtom::new_raw_mut_bytes.
match txt_len {
0 => {
ac_aes_siv_en::<N>(key, &mut [], siv_data, iv_bytes, &mut [0u8; 0]).unwrap();