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//! PKCS #12 archives.
use ffi;
use libc::c_int;
use std::ptr;
use std::ffi::CString;
use cvt;
use pkey::{PKey, PKeyRef};
use error::ErrorStack;
use x509::X509;
use types::{OpenSslType, OpenSslTypeRef};
use stack::{Stack, StackRef};
use nid;
type_!(Pkcs12, Pkcs12Ref, ffi::PKCS12, ffi::PKCS12_free);
impl Pkcs12Ref {
to_der!(ffi::i2d_PKCS12);
/// Extracts the contents of the `Pkcs12`.
// FIXME should take an &[u8]
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,
})
}
}
}
impl Pkcs12 {
from_der!(Pkcs12, ffi::d2i_PKCS12);
/// Creates a new builder for a protected pkcs12 certificate.
///
/// This uses the defaults from the OpenSSL library:
///
/// * `nid_key` - `nid::PBE_WITHSHA1AND3_KEY_TRIPLEDES_CBC`
/// * `nid_cert` - `nid::PBE_WITHSHA1AND40BITRC2_CBC`
/// * `iter` - `2048`
/// * `mac_iter` - `2048`
///
/// # Arguments
///
/// * `password` - the password used to encrypt the key and certificate
/// * `friendly_name` - user defined name for the certificate
/// * `pkey` - key to store
/// * `cert` - certificate to store
pub fn builder<'a, 'b, 'c, 'd>(password: &'a str,
friendly_name: &'b str,
pkey: &'c PKeyRef,
cert: &'d X509) -> Pkcs12Builder<'a, 'b, 'c, 'd> {
ffi::init();
Pkcs12Builder {
password: password,
friendly_name: friendly_name,
pkey: pkey,
cert: cert,
chain: None,
nid_key: nid::UNDEF, //nid::PBE_WITHSHA1AND3_KEY_TRIPLEDES_CBC,
nid_cert: nid::UNDEF, //nid::PBE_WITHSHA1AND40BITRC2_CBC,
iter: ffi::PKCS12_DEFAULT_ITER as usize, // 2048
mac_iter: ffi::PKCS12_DEFAULT_ITER as usize, // 2048
}
}
}
pub struct ParsedPkcs12 {
pub pkey: PKey,
pub cert: X509,
pub chain: Stack<X509>,
}
pub struct Pkcs12Builder<'a, 'b, 'c, 'd> {
password: &'a str,
friendly_name: &'b str,
pkey: &'c PKeyRef,
cert: &'d X509,
chain: Option<StackRef<X509>>,
nid_key: nid::Nid,
nid_cert: nid::Nid,
iter: usize,
mac_iter: usize,
}
// TODO: add chain option
impl<'a, 'b, 'c, 'd> Pkcs12Builder<'a, 'b, 'c, 'd> {
/// The encryption algorithm that should be used for the key
pub fn nid_key(&mut self, nid: nid::Nid) {
self.nid_key = nid;
}
/// The encryption algorithm that should be used for the cert
pub fn nid_cert(&mut self, nid: nid::Nid) {
self.nid_cert = nid;
}
/// Key iteration count, default is 2048 as of this writing
pub fn iter(&mut self, iter: usize) {
self.iter = iter;
}
/// Mac iteration count, default is the same as key_iter default.
///
/// Old implementation don't understand mac iterations greater than 1, (pre 1.0.1?), if such
/// compatibility is required this should be set to 1
pub fn mac_iter(&mut self, mac_iter: usize) {
self.mac_iter = mac_iter;
}
pub fn build(self) -> Result<Pkcs12, ErrorStack> {
unsafe {
let pass = CString::new(self.password).unwrap();
let friendly_name = CString::new(self.friendly_name).unwrap();
let pkey = self.pkey.as_ptr();
let cert = self.cert.as_ptr();
let ca = self.chain.map(|ca| ca.as_ptr()).unwrap_or(ptr::null_mut());
let nid_key = self.nid_key.as_raw();
let nid_cert = self.nid_cert.as_raw();
// According to the OpenSSL docs, keytype is a non-standard extension for MSIE,
// It's values are KEY_SIG or KEY_EX, see the OpenSSL docs for more information:
// https://www.openssl.org/docs/man1.0.2/crypto/PKCS12_create.html
let keytype = 0;
let pkcs12_ptr = ffi::PKCS12_create(pass.as_ptr(),
friendly_name.as_ptr(),
pkey,
cert,
ca,
nid_key,
nid_cert,
self.iter as c_int,
self.mac_iter as c_int,
keytype);
if pkcs12_ptr.is_null() {
Err(ErrorStack::get())
} else {
Ok(Pkcs12::from_ptr(pkcs12_ptr))
}
}
}
}
#[cfg(test)]
mod test {
use hash::MessageDigest;
use hex::ToHex;
use ::rsa::Rsa;
use ::pkey::*;
use ::x509::*;
use ::x509::extension::*;
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");
}
#[test]
fn create() {
let subject_name = "ns.example.com";
let rsa = Rsa::generate(2048).unwrap();
let pkey = PKey::from_rsa(rsa).unwrap();
let gen = X509Generator::new()
.set_valid_period(365*2)
.add_name("CN".to_owned(), subject_name.to_string())
.set_sign_hash(MessageDigest::sha256())
.add_extension(Extension::KeyUsage(vec![KeyUsageOption::DigitalSignature]));
let cert = gen.sign(&pkey).unwrap();
let pkcs12_builder = Pkcs12::builder("mypass", subject_name, &pkey, &cert);
let pkcs12 = pkcs12_builder.build().unwrap();
let der = pkcs12.to_der().unwrap();
let pkcs12 = Pkcs12::from_der(&der).unwrap();
let parsed = pkcs12.parse("mypass").unwrap();
assert_eq!(parsed.cert.fingerprint(MessageDigest::sha1()).unwrap(), cert.fingerprint(MessageDigest::sha1()).unwrap());
assert!(parsed.pkey.public_eq(&pkey));
}
}
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