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aes: remove zeroize_works test #551

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Merged
newpavlov merged 1 commit into from
Apr 10, 2026
Merged

aes: remove zeroize_works test #551

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77 changes: 0 additions & 77 deletions aes/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -154,80 +154,3 @@ use cipher::{array::Array, consts::U16};

/// 128-bit AES block
pub type Block = Array<u8, U16>;

#[cfg(test)]
mod tests {
#[cfg(feature = "zeroize")]
#[test]
fn zeroize_works() {
use super::soft;

fn test_for<T: zeroize::ZeroizeOnDrop>(val: T) {
use core::mem::{ManuallyDrop, size_of};

let mut val = ManuallyDrop::new(val);
let ptr = &val as *const _ as *const u8;
let len = size_of::<ManuallyDrop<T>>();

unsafe { ManuallyDrop::drop(&mut val) };

let slice = unsafe { core::slice::from_raw_parts(ptr, len) };

assert!(slice.iter().all(|&byte| byte == 0));
}

let key_128 = [42; 16].into();
let key_192 = [42; 24].into();
let key_256 = [42; 32].into();

use cipher::KeyInit as _;
test_for(soft::Aes128::new(&key_128));
test_for(soft::Aes128Enc::new(&key_128));
test_for(soft::Aes128Dec::new(&key_128));
test_for(soft::Aes192::new(&key_192));
test_for(soft::Aes192Enc::new(&key_192));
test_for(soft::Aes192Dec::new(&key_192));
test_for(soft::Aes256::new(&key_256));
test_for(soft::Aes256Enc::new(&key_256));
test_for(soft::Aes256Dec::new(&key_256));

#[cfg(all(
any(target_arch = "x86", target_arch = "x86_64"),
not(aes_backend = "soft")
))]
{
use super::x86;

cpufeatures::new!(aes_intrinsics, "aes");
if aes_intrinsics::get() {
test_for(x86::Aes128::new(&key_128));
test_for(x86::Aes128Enc::new(&key_128));
test_for(x86::Aes128Dec::new(&key_128));
test_for(x86::Aes192::new(&key_192));
test_for(x86::Aes192Enc::new(&key_192));
test_for(x86::Aes192Dec::new(&key_192));
test_for(x86::Aes256::new(&key_256));
test_for(x86::Aes256Enc::new(&key_256));
test_for(x86::Aes256Dec::new(&key_256));
}
}

#[cfg(all(target_arch = "aarch64", not(aes_backend = "soft")))]
{
use super::armv8;

cpufeatures::new!(aes_intrinsics, "aes");
if aes_intrinsics::get() {
test_for(armv8::Aes128::new(&key_128));
test_for(armv8::Aes128Enc::new(&key_128));
test_for(armv8::Aes128Dec::new(&key_128));
test_for(armv8::Aes192::new(&key_192));
test_for(armv8::Aes192Enc::new(&key_192));
test_for(armv8::Aes192Dec::new(&key_192));
test_for(armv8::Aes256::new(&key_256));
test_for(armv8::Aes256Enc::new(&key_256));
test_for(armv8::Aes256Dec::new(&key_256));
}
}
}
}