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Add additional asserts in Scrypt::ValidateParameters (GH #842) 

We still need to figure out what to do, but we can start warning users immediately.
pull/853/head
Jeffrey Walton 2019-05-19 18:52:37 -04:00
parent e3788aacc5
commit 2c0455edf8
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1 changed files with 7 additions and 1 deletions
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scrypt.cpp
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@ -184,6 +184,12 @@ size_t Scrypt::GetValidDerivedLength(size_t keylength) const
void Scrypt::ValidateParameters(size_t derivedLen, word64 cost, word64 blockSize, word64 parallelization) const void Scrypt::ValidateParameters(size_t derivedLen, word64 cost, word64 blockSize, word64 parallelization) const
{ {
// https://github.com/weidai11/cryptopp/issues/842
CRYPTOPP_ASSERT(derivedLen != 0);
CRYPTOPP_ASSERT(cost != 0);
CRYPTOPP_ASSERT(blockSize != 0);
CRYPTOPP_ASSERT(parallelization != 0);
// Optimizer should remove this on 32-bit platforms // Optimizer should remove this on 32-bit platforms
if (std::numeric_limits<size_t>::max() > std::numeric_limits<word32>::max()) if (std::numeric_limits<size_t>::max() > std::numeric_limits<word32>::max())
{ {