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Rust wrapper: also check usize to u32 conversions for digest_size

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This commit is contained in:
Josh Holtrop
2026-04-13 16:07:10 -04:00
parent e1a01926bc
commit ca362a4e8f
1 changed files with 4 additions and 4 deletions
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wrapper/rust/wolfssl-wolfcrypt/src/blake2.rs
+4 -4
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@@ -54,7 +54,7 @@ impl BLAKE2b {
/// let blake2b = BLAKE2b::new(64).expect("Error with new()");
/// ```
pub fn new(digest_size: usize) -> Result<Self, i32> {
let digest_size = digest_size as u32;
let digest_size = crate::buffer_len_to_u32(digest_size)?;
let mut wc_blake2b: MaybeUninit<sys::Blake2b> = MaybeUninit::uninit();
let rc = unsafe {
sys::wc_InitBlake2b(wc_blake2b.as_mut_ptr(), digest_size)
@@ -88,7 +88,7 @@ impl BLAKE2b {
/// ```
pub fn new_with_key(digest_size: usize, key: &[u8]) -> Result<Self, i32> {
let key_size = crate::buffer_len_to_u32(key.len())?;
let digest_size = digest_size as u32;
let digest_size = crate::buffer_len_to_u32(digest_size)?;
let mut wc_blake2b: MaybeUninit<sys::Blake2b> = MaybeUninit::uninit();
let rc = unsafe {
sys::wc_InitBlake2b_WithKey(wc_blake2b.as_mut_ptr(), digest_size,
@@ -365,7 +365,7 @@ impl BLAKE2s {
/// let blake2s = BLAKE2s::new(32).expect("Error with new()");
/// ```
pub fn new(digest_size: usize) -> Result<Self, i32> {
let digest_size = digest_size as u32;
let digest_size = crate::buffer_len_to_u32(digest_size)?;
let mut wc_blake2s: MaybeUninit<sys::Blake2s> = MaybeUninit::uninit();
let rc = unsafe {
sys::wc_InitBlake2s(wc_blake2s.as_mut_ptr(), digest_size)
@@ -399,7 +399,7 @@ impl BLAKE2s {
/// ```
pub fn new_with_key(digest_size: usize, key: &[u8]) -> Result<Self, i32> {
let key_size = crate::buffer_len_to_u32(key.len())?;
let digest_size = digest_size as u32;
let digest_size = crate::buffer_len_to_u32(digest_size)?;
let mut wc_blake2s: MaybeUninit<sys::Blake2s> = MaybeUninit::uninit();
let rc = unsafe {
sys::wc_InitBlake2s_WithKey(wc_blake2s.as_mut_ptr(), digest_size,