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Rust wrapper: support older non-const RSA API in rsa_pkcs1v15.rs

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Josh Holtrop
2026-05-19 11:05:28 -07:00
parent 830aa7f7b6
commit f7a5df3489
1 changed files with 14 additions and 2 deletions
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wrapper/rust/wolfssl-wolfcrypt/src/rsa_pkcs1v15.rs
+14 -2
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@@ -260,9 +260,15 @@ impl<H: Hash, const N: usize> VerifyingKey<H, N> {
let mut e = [0u8; MAX_E_LEN];
let mut n_len: u32 = n.len() as u32;
let mut e_len: u32 = e.len() as u32;
#[cfg(rsa_const_api)]
let key = &rsa.wc_rsakey;
// SAFETY: older wolfSSL declared the first arg as non-const, but the
// function only reads from the key (newer versions declare it const).
#[cfg(not(rsa_const_api))]
let key = core::ptr::addr_of!(rsa.wc_rsakey) as *mut sys::RsaKey;
let rc = unsafe {
sys::wc_RsaFlattenPublicKey(
&rsa.wc_rsakey,
key,
e.as_mut_ptr(), &mut e_len,
n.as_mut_ptr(), &mut n_len,
)
@@ -328,9 +334,15 @@ impl<H: Hash, const N: usize> Keypair for SigningKey<H, N> {
let mut e = [0u8; MAX_E_LEN];
let mut n_len: u32 = n.len() as u32;
let mut e_len: u32 = e.len() as u32;
#[cfg(rsa_const_api)]
let key = &self.inner.wc_rsakey;
// SAFETY: older wolfSSL declared the first arg as non-const, but the
// function only reads from the key (newer versions declare it const).
#[cfg(not(rsa_const_api))]
let key = core::ptr::addr_of!(self.inner.wc_rsakey) as *mut sys::RsaKey;
let rc = unsafe {
sys::wc_RsaFlattenPublicKey(
&self.inner.wc_rsakey,
key,
e.as_mut_ptr(), &mut e_len,
n.as_mut_ptr(), &mut n_len,
)