123 lines
4.1 KiB
Rust
123 lines
4.1 KiB
Rust
use crate::error::ErrorStack;
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use crate::ffi;
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use foreign_types::{ForeignType, ForeignTypeRef};
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use openssl_macros::corresponds;
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use std::mem;
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use std::ptr;
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use crate::bn::BigNum;
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use crate::pkey::{HasParams, Params};
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use crate::{cvt, cvt_p};
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generic_foreign_type_and_impl_send_sync! {
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type CType = ffi::DH;
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fn drop = ffi::DH_free;
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pub struct Dh<T>;
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pub struct DhRef<T>;
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}
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impl<T> DhRef<T>
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where
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T: HasParams,
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{
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to_pem! {
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/// Serializes the parameters into a PEM-encoded PKCS#3 DHparameter structure.
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///
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/// The output will have a header of `-----BEGIN DH PARAMETERS-----`.
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#[corresponds(PEM_write_bio_DHparams)]
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params_to_pem,
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ffi::PEM_write_bio_DHparams
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}
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to_der! {
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/// Serializes the parameters into a DER-encoded PKCS#3 `DHparameter` structure.
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#[corresponds(i2d_DHparams)]
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params_to_der,
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ffi::i2d_DHparams
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}
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}
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impl Dh<Params> {
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pub fn from_params(p: BigNum, g: BigNum, q: BigNum) -> Result<Dh<Params>, ErrorStack> {
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unsafe {
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let dh = Dh::from_ptr(cvt_p(ffi::DH_new())?);
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cvt(DH_set0_pqg(dh.0, p.as_ptr(), q.as_ptr(), g.as_ptr()))?;
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mem::forget((p, g, q));
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Ok(dh)
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}
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}
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from_pem! {
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/// Deserializes a PEM-encoded PKCS#3 DHpararameters structure.
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///
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/// The input should have a header of `-----BEGIN DH PARAMETERS-----`.
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#[corresponds(PEM_read_bio_DHparams)]
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params_from_pem,
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Dh<Params>,
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ffi::PEM_read_bio_DHparams
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}
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from_der! {
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/// Deserializes a DER-encoded PKCS#3 DHparameters structure.
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#[corresponds(d2i_DHparams)]
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params_from_der,
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Dh<Params>,
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ffi::d2i_DHparams,
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::libc::c_long
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}
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}
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use crate::ffi::DH_set0_pqg;
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#[cfg(test)]
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mod tests {
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use crate::bn::BigNum;
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use crate::dh::Dh;
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use crate::ssl::{SslContext, SslMethod};
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#[test]
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fn test_dh() {
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let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
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let p = BigNum::from_hex_str(
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"87A8E61DB4B6663CFFBBD19C651959998CEEF608660DD0F25D2CEED4435E3B00E00DF8F1D61957D4FAF7DF\
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4561B2AA3016C3D91134096FAA3BF4296D830E9A7C209E0C6497517ABD5A8A9D306BCF67ED91F9E6725B47\
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58C022E0B1EF4275BF7B6C5BFC11D45F9088B941F54EB1E59BB8BC39A0BF12307F5C4FDB70C581B23F76B6\
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3ACAE1CAA6B7902D52526735488A0EF13C6D9A51BFA4AB3AD8347796524D8EF6A167B5A41825D967E144E5\
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140564251CCACB83E6B486F6B3CA3F7971506026C0B857F689962856DED4010ABD0BE621C3A3960A54E710\
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C375F26375D7014103A4B54330C198AF126116D2276E11715F693877FAD7EF09CADB094AE91E1A1597",
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).unwrap();
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let g = BigNum::from_hex_str(
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"3FB32C9B73134D0B2E77506660EDBD484CA7B18F21EF205407F4793A1A0BA12510DBC15077BE463FFF4FED\
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4AAC0BB555BE3A6C1B0C6B47B1BC3773BF7E8C6F62901228F8C28CBB18A55AE31341000A650196F931C77A\
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57F2DDF463E5E9EC144B777DE62AAAB8A8628AC376D282D6ED3864E67982428EBC831D14348F6F2F9193B5\
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045AF2767164E1DFC967C1FB3F2E55A4BD1BFFE83B9C80D052B985D182EA0ADB2A3B7313D3FE14C8484B1E\
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052588B9B7D2BBD2DF016199ECD06E1557CD0915B3353BBB64E0EC377FD028370DF92B52C7891428CDC67E\
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B6184B523D1DB246C32F63078490F00EF8D647D148D47954515E2327CFEF98C582664B4C0F6CC41659",
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).unwrap();
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let q = BigNum::from_hex_str(
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"8CF83642A709A097B447997640129DA299B1A47D1EB3750BA308B0FE64F5FBD3",
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)
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.unwrap();
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let dh = Dh::from_params(p, g, q).unwrap();
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ctx.set_tmp_dh(&dh).unwrap();
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}
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#[test]
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fn test_dh_from_pem() {
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let mut ctx = SslContext::builder(SslMethod::tls()).unwrap();
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let params = include_bytes!("../test/dhparams.pem");
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let dh = Dh::params_from_pem(params).unwrap();
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ctx.set_tmp_dh(&dh).unwrap();
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}
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#[test]
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fn test_dh_from_der() {
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let params = include_bytes!("../test/dhparams.pem");
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let dh = Dh::params_from_pem(params).unwrap();
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let der = dh.params_to_der().unwrap();
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Dh::params_from_der(&der).unwrap();
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}
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}
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