1 files changed, 6 insertions, 1 deletions
diff --git a/openssl/src/bn/mod.rs b/openssl/src/bn/mod.rs
index 00a0a0ca..d548e9ef 100644
--- a/openssl/src/bn/mod.rs
+++ b/openssl/src/bn/mod.rs
@@ -1,7 +1,7 @@
 use libc::{c_int, c_ulong, c_void};
 use std::ffi::{CStr, CString};
 use std::cmp::Ordering;
-use std::{fmt, ptr};
+use std::{fmt, ptr, mem};
 
 use ffi;
 use ssl::error::SslError;
@@ -473,6 +473,11 @@ impl BigNum {
         n
     }
 
+    pub fn into_raw(self) -> *mut ffi::BIGNUM {
+        let mut me = self;
+        mem::replace(&mut me.0, ptr::null_mut())
+    }
+
     pub fn to_vec(&self) -> Vec<u8> {
         let size = self.num_bytes() as usize;
         let mut v = Vec::with_capacity(size);