X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=blobdiff_plain;f=src%2Fbignum.h;h=c8ba566be77f7a71bd4dfd1f30ae1dde01b8bb5d;hp=f37d7edd8b65be732478afa2f74a2b49334d0bf5;hb=f7ad871507a82931ed5bc39a1196d3e839382b6c;hpb=59b5e172f9fed2d27202168630550e21ef995105

diff --git a/src/bignum.h b/src/bignum.h
index f37d7ed..c8ba566 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -59,22 +59,34 @@ public:
 
     CBigNum(const CBigNum& b)
     {
-        bn = BN_new();
-        if (!BN_copy(bn, b.bn))
+        BIGNUM *dup = BN_dup(b.bn);
+        if (!dup)
         {
-            BN_clear_free(bn);
-            throw bignum_error("CBigNum::CBigNum(const CBigNum&) : BN_copy failed");
+            throw bignum_error("CBigNum::CBigNum(const CBigNum&) : BN_dup failed");
         }
+        bn = dup;
     }
 
     CBigNum& operator=(const CBigNum& b)
     {
-        bn = BN_new();
-        if (!BN_copy(bn, b.bn))
-            throw bignum_error("CBigNum::operator= : BN_copy failed");
+        BIGNUM *dup = BN_dup(b.bn);
+        if (!dup)
+        {
+            throw bignum_error("CBigNum::operator= : BN_dup failed");
+        }
+        bn = dup;
         return (*this);
     }
 
+    CBigNum(const BIGNUM *bnp) {
+        BIGNUM *dup = BN_dup(bnp);
+        if (!dup)
+        {
+            throw bignum_error("CBigNum::CBigNum(const BIGNUM*) : BN_dup failed");
+        }
+        bn = dup;
+    }
+
     ~CBigNum()
     {
         BN_clear_free(bn);
@@ -466,7 +478,7 @@ public:
     }
 
     BIGNUM* get() const {
-        return bn;
+        return BN_dup(bn);
     }
 
     unsigned int GetSerializeSize(int nType=0, int nVersion=PROTOCOL_VERSION) const
@@ -593,7 +605,7 @@ public:
     */
     bool isPrime(const int checks=BN_prime_checks) const {
         CAutoBN_CTX pctx;
-        int ret = BN_is_prime(bn, checks, NULL, pctx, NULL);
+        int ret = BN_is_prime_ex(bn, checks, pctx, NULL);
         if(ret < 0){
             throw bignum_error("CBigNum::isPrime :BN_is_prime");
         }