Add X509::public_key()

1 files changed, 8 insertions, 1 deletions

diff --git a/openssl/src/x509/mod.rs b/openssl/src/x509/mod.rs
index 50731e48..c0e730f7 100644
--- a/openssl/src/x509/mod.rs
+++ b/openssl/src/x509/mod.rs
@@ -11,7 +11,7 @@ use asn1::{Asn1Time};
 use bio::{MemBio};
 use crypto::hash;
 use crypto::hash::Type as HashType;
-use crypto::pkey::{PKey};
+use crypto::pkey::{PKey,Parts};
 use crypto::rand::rand_bytes;
 use ffi;
 use ssl::error::{SslError, StreamError};
@@ -402,6 +402,13 @@ impl<'ctx> X509<'ctx> {
         X509Name { x509: self, name: name }
     }
 
+    pub fn public_key(&self) -> PKey {
+        let pkey = unsafe { ffi::X509_get_pubkey(self.handle) };
+        assert!(!pkey.is_null());
+
+        PKey::from_handle(pkey, Parts::Public)
+    }
+
     /// Returns certificate fingerprint calculated using provided hash
     pub fn fingerprint(&self, hash_type: hash::Type) -> Option<Vec<u8>> {
         let evp = hash_type.evp_md();