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//! CMS archive
use ffi;
use foreign_types::{ForeignType, ForeignTypeRef};
use std::ptr;
use error::ErrorStack;
use bio::{MemBio, MemBioSlice};
use x509::X509;
use pkey::PKeyRef;
use cvt;
use cvt_p;
foreign_type! {
type CType = ffi::CMS_ContentInfo;
fn drop = ffi::CMS_ContentInfo_free;
pub struct CmsContentInfo;
pub struct CmsContentInfoRef;
}
impl CmsContentInfoRef {
pub fn decrypt(&self, pkey: &PKeyRef, cert: &X509) -> Result<Vec<u8>, ErrorStack> {
unsafe {
let pkey = pkey.as_ptr();
let cert = cert.as_ptr();
let out = MemBio::new()?;
let flags: u32 = 0;
cvt(ffi::CMS_decrypt(
self.as_ptr(),
pkey,
cert,
ptr::null_mut(),
out.as_ptr(),
flags.into(),
))?;
Ok(out.get_buf().to_owned())
}
}
}
impl CmsContentInfo {
pub fn smime_read_cms(smime: &[u8]) -> Result<CmsContentInfo, ErrorStack> {
unsafe {
let bio = MemBioSlice::new(smime)?;
let cms = cvt_p(ffi::SMIME_read_CMS(
bio.as_ptr(),
ptr::null_mut(),
))?;
Ok(CmsContentInfo::from_ptr(cms))
}
}
}
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