aboutsummaryrefslogtreecommitdiff
path: root/openssl/src/ssl
diff options
context:
space:
mode:
authorFrank Denis <[email protected]>2015-08-31 16:28:14 +0200
committerFrank Denis <[email protected]>2015-08-31 23:12:57 +0200
commit9add4e1001ce08d78c17e4a3d994fd805f872d2a (patch)
tree10e61544095af17955aaec13dfd0fba2a381c756 /openssl/src/ssl
parentMerge pull request #251 from ebarnard/evp_bytestokey (diff)
downloadrust-openssl-9add4e1001ce08d78c17e4a3d994fd805f872d2a.tar.xz
rust-openssl-9add4e1001ce08d78c17e4a3d994fd805f872d2a.zip
Add support for set_tmp_dh() and RFC5114 DH parameters for forward secrecy.
rust-openssl didn't support forward secrecy at all. This adds support for DHE, by exposing set_tmp_dh() as well as the RFC5114 parameters, which are conveniently exposed since OpenSSL 1.0.2. With OpenSSL >= 1.0.2, and the rfc5114 feature gate, enabling DHE is as simple as (here for 2048-bit MODP group with 256-bit prime order subgroup): use openssl::dh::DH; let dh = DH::get_2048_256().unwrap(); ctx.set_tmp_dh(dh).unwrap(); With OpenSSL < 1.0.2, DH::from_params() can be used to manually specify the DH parameters (here for 2048-bit MODP group with 256-bit prime order subgroup): use openssl::bn::BigNum; use openssl::dh::DH; let p = BigNum::from_hex_str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unwrap(); let g = BigNum::from_hex_str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unwrap(); let q = BigNum::from_hex_str("8CF83642A709A097B447997640129DA299B1A47D1EB3750BA308B0FE64F5FBD3").unwrap(); let dh = DH::from_params(p, g, q).unwrap(); ctx.set_tmp_dh(dh).unwrap();
Diffstat (limited to 'openssl/src/ssl')
-rw-r--r--openssl/src/ssl/mod.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/openssl/src/ssl/mod.rs b/openssl/src/ssl/mod.rs
index 35180d3a..ee2e1f9f 100644
--- a/openssl/src/ssl/mod.rs
+++ b/openssl/src/ssl/mod.rs
@@ -21,6 +21,7 @@ use std::slice;
use bio::{MemBio};
use ffi;
+use dh::DH;
use ssl::error::{SslError, SslSessionClosed, StreamError, OpenSslErrors};
use x509::{X509StoreContext, X509FileType, X509};
use crypto::pkey::PKey;
@@ -492,6 +493,12 @@ impl SslContext {
}
}
+ pub fn set_tmp_dh(&self, dh: DH) -> Result<(),SslError> {
+ wrap_ssl_result(unsafe {
+ ffi::SSL_CTX_set_tmp_dh(self.ctx, dh.raw()) as i32
+ })
+ }
+
#[allow(non_snake_case)]
/// Specifies the file that contains trusted CA certificates.
pub fn set_CA_file<P: AsRef<Path>>(&mut self, file: P) -> Result<(),SslError> {