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Merge pull request #863 from sipa/bn2mpifix

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Workaround for BN_bn2mpi reading/writing out of bounds
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Pieter Wuille 2012-02-19 09:22:11 -08:00
commit e0b8d459b1
1 changed files with 1 additions and 1 deletions
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2
src/bignum.h
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@ -243,7 +243,7 @@ public:
std::vector<unsigned char> getvch() const std::vector<unsigned char> getvch() const
{ {
unsigned int nSize = BN_bn2mpi(this, NULL); unsigned int nSize = BN_bn2mpi(this, NULL);
if (nSize < 4) if (nSize <= 4)
return std::vector<unsigned char>(); return std::vector<unsigned char>();
std::vector<unsigned char> vch(nSize); std::vector<unsigned char> vch(nSize);
BN_bn2mpi(this, &vch[0]); BN_bn2mpi(this, &vch[0]);