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mgm: Generalize TDES logic to enable other algorithms (#625)

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Co-authored-by: Jack Grigg <thestr4d@gmail.com>
Co-authored-by: Greg Bowyer <gbowyer@fastmail.co.uk>
This commit is contained in:
Tony Arcieri (iqlusion)
2025-08-22 09:37:41 -06:00
committed by GitHub
parent 7eb7a31a28
commit 1e1fe34734
7 changed files with 275 additions and 145 deletions
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src/transaction.rs
+6 -6
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@@ -5,7 +5,7 @@ use crate::{
apdu::{Apdu, Ins, StatusWords},
consts::{CB_BUF_MAX, CB_OBJ_MAX},
error::{Error, Result},
mgm::{MgmKey, DES_LEN_3DES},
mgm::MgmKey,
otp,
piv::{self, AlgorithmId, SlotId},
serialization::*,
@@ -251,11 +251,11 @@ impl<'tx> Transaction<'tx> {
pub fn set_mgm_key(&self, new_key: &MgmKey, require_touch: bool) -> Result<()> {
let p2 = if require_touch { 0xfe } else { 0xff };
let mut data = [0u8; DES_LEN_3DES + 3];
data[0] = ALGO_3DES;
data[1] = KEY_CARDMGM;
data[2] = DES_LEN_3DES as u8;
data[3..3 + DES_LEN_3DES].copy_from_slice(new_key.as_ref());
let mut data = Vec::with_capacity(usize::from(new_key.key_size()) + 3);
data.push(new_key.algorithm_id().into());
data.push(KEY_CARDMGM);
data.push(new_key.key_size());
data.extend_from_slice(new_key.as_ref());
let status_words = Apdu::new(Ins::SetMgmKey)
.params(0xff, p2)