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//! PKCS #12 archives.
use ffi;
use libc::{c_long, c_uchar};
use std::cmp;
use std::ptr;
use std::ffi::CString;
use {cvt, cvt_p};
use pkey::PKey;
use error::ErrorStack;
use x509::X509;
use types::{OpenSslType, OpenSslTypeRef};
use stack::Stack;
type_!(Pkcs12, Pkcs12Ref, ffi::PKCS12, ffi::PKCS12_free);
impl Pkcs12 {
/// Deserializes a `Pkcs12` structure from DER-encoded data.
pub fn from_der(der: &[u8]) -> Result<Pkcs12, ErrorStack> {
unsafe {
ffi::init();
let mut ptr = der.as_ptr() as *const c_uchar;
let length = cmp::min(der.len(), c_long::max_value() as usize) as c_long;
let p12 = try!(cvt_p(ffi::d2i_PKCS12(ptr::null_mut(), &mut ptr, length)));
Ok(Pkcs12(p12))
}
}
}
impl Pkcs12Ref {
/// Extracts the contents of the `Pkcs12`.
pub fn parse(&self, pass: &str) -> Result<ParsedPkcs12, ErrorStack> {
unsafe {
let pass = CString::new(pass).unwrap();
let mut pkey = ptr::null_mut();
let mut cert = ptr::null_mut();
let mut chain = ptr::null_mut();
try!(cvt(ffi::PKCS12_parse(self.as_ptr(),
pass.as_ptr(),
&mut pkey,
&mut cert,
&mut chain)));
let pkey = PKey::from_ptr(pkey);
let cert = X509::from_ptr(cert);
let chain = Stack::from_ptr(chain);
Ok(ParsedPkcs12 {
pkey: pkey,
cert: cert,
chain: chain,
})
}
}
}
pub struct ParsedPkcs12 {
pub pkey: PKey,
pub cert: X509,
pub chain: Stack<X509>,
}
#[cfg(test)]
mod test {
use hash::MessageDigest;
use serialize::hex::ToHex;
use super::*;
#[test]
fn parse() {
let der = include_bytes!("../test/identity.p12");
let pkcs12 = Pkcs12::from_der(der).unwrap();
let parsed = pkcs12.parse("mypass").unwrap();
assert_eq!(parsed.cert.fingerprint(MessageDigest::sha1()).unwrap().to_hex(),
"59172d9313e84459bcff27f967e79e6e9217e584");
assert_eq!(parsed.chain.len(), 1);
assert_eq!(parsed.chain[0].fingerprint(MessageDigest::sha1()).unwrap().to_hex(),
"c0cbdf7cdd03c9773e5468e1f6d2da7d5cbb1875");
}
}
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