propagate from branch 'net.randombit.botan' (head 0a3348f52bf558bc2282e1066c2913a72a1aeda5)

            to branch 'net.randombit.botan.c++0x' (head 552c20ae8874f12da779fc25ea368e36e71cbfe8)

2 files changed, 29 insertions, 1 deletions

diff --git a/src/math/bigint/bigint.cpp b/src/math/bigint/bigint.cpp
index 7feec4d59..84dd4e2a3 100644
--- a/src/math/bigint/bigint.cpp
+++ b/src/math/bigint/bigint.cpp
@@ -40,7 +40,7 @@ BigInt::BigInt(Sign s, u32bit size)
    }
 
 /*
-* Construct a BigInt from a "raw" BigInt
+* Copy constructor
 */
 BigInt::BigInt(const BigInt& b)
    {
@@ -100,6 +100,25 @@ BigInt::BigInt(RandomNumberGenerator& rng, u32bit bits)
    randomize(rng, bits);
    }
 
+/**
+* Move constructor
+*/
+BigInt::BigInt(BigInt&& other)
+   {
+   std::swap(*this, other);
+   }
+
+/**
+* Move assignment
+*/
+BigInt& BigInt::operator=(BigInt&& other)
+   {
+   if(this != &other)
+      std::swap(*this, other);
+
+   return (*this);
+   }
+
 /*
 * Swap this BigInt with another
 */
diff --git a/src/math/bigint/bigint.h b/src/math/bigint/bigint.h
index a3a079dcc..2b95bfc90 100644
--- a/src/math/bigint/bigint.h
+++ b/src/math/bigint/bigint.h
@@ -493,6 +493,15 @@ class BOTAN_DLL BigInt
      */
      BigInt(NumberType type, u32bit n);
 
+     /**
+     * Move constructor
+     */
+     BigInt(BigInt&& other);
+
+     /**
+     * Move assignment
+     */
+     BigInt& operator=(BigInt&& other);
    private:
       SecureVector<word> reg;
       Sign signedness;