Merge pull request #863 from sipa/bn2mpifix

Workaround for BN_bn2mpi reading/writing out of bounds
13 years ago · e0b8d459b1
1 changed files with 1 additions and 1 deletions
--- a/src/bignum.h
+++ b/src/bignum.h
@ -243,7 +243,7 @@ public:
    std::vector<unsigned char> getvch() const
    {
        unsigned int nSize = BN_bn2mpi(this, NULL);
-        if (nSize < 4)
+        if (nSize <= 4)
            return std::vector<unsigned char>();
        std::vector<unsigned char> vch(nSize);
        BN_bn2mpi(this, &vch[0]);