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* Move ffi type container to boring-additions

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* Use boring::derive for EC and ED instead of own implementation
This commit is contained in:
Jan Rüth 2023-11-23 21:11:25 +01:00
commit aa74b45a0f
15 changed files with 417 additions and 410 deletions
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26
boring-additions/src/aead/mod.rs
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@ -1,9 +1,14 @@
use std::ptr;
use boring::error::ErrorStack;
use foreign_types::ForeignType;
mod types;
use crate::helper::{cvt, cvt_p};
pub use self::types::*;
pub struct Algorithm(*const boring_sys::EVP_AEAD);
impl Algorithm {
@ -55,14 +60,11 @@ impl Algorithm {
}
pub struct Crypter {
ctx: *mut boring_sys::EVP_AEAD_CTX,
ctx: EvpAeadCtx,
max_overhead: usize,
nonce_len: usize,
}
unsafe impl Send for Crypter {}
unsafe impl Sync for Crypter {}
impl Crypter {
pub fn new(aead_alg: Algorithm, key: &[u8]) -> Result<Self, ErrorStack> {
assert_eq!(aead_alg.key_length(), key.len());
@ -70,12 +72,12 @@ impl Crypter {
let this = unsafe {
Self {
ctx: cvt_p(boring_sys::EVP_AEAD_CTX_new(
ctx: EvpAeadCtx::from_ptr(cvt_p(boring_sys::EVP_AEAD_CTX_new(
aead_alg.0,
key.as_ptr(),
key.len(),
boring_sys::EVP_AEAD_DEFAULT_TAG_LENGTH as usize,
))?,
))?),
max_overhead: aead_alg.max_overhead(),
nonce_len: aead_alg.nonce_len(),
}
@ -104,7 +106,7 @@ impl Crypter {
let mut tag_len = tag.len();
unsafe {
cvt(boring_sys::EVP_AEAD_CTX_seal_scatter(
self.ctx,
self.ctx.as_ptr(),
buffer.as_mut_ptr(),
tag.as_mut_ptr(),
&mut tag_len,
@ -133,7 +135,7 @@ impl Crypter {
unsafe {
cvt(boring_sys::EVP_AEAD_CTX_open_gather(
self.ctx,
self.ctx.as_ptr(),
buffer.as_mut_ptr(),
nonce.as_ptr(),
nonce.len(),
@ -149,14 +151,6 @@ impl Crypter {
}
}
impl Drop for Crypter {
fn drop(&mut self) {
unsafe {
boring_sys::EVP_AEAD_CTX_free(self.ctx);
}
}
}
#[cfg(test)]
mod tests {
use super::Crypter;