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Add constexpr-ness to ChaCha StaticAlgorithmName member function

pull/131/merge
Jeffrey Walton 2016-09-07 06:39:52 -04:00
parent c1556295e6
commit e2f2ace688
1 changed files with 3 additions and 1 deletions
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chacha.h
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@ -19,7 +19,9 @@ NAMESPACE_BEGIN(CryptoPP)
template <unsigned int R> template <unsigned int R>
struct ChaCha_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::UNIQUE_IV, 8>, public FixedRounds<R> struct ChaCha_Info : public VariableKeyLength<32, 16, 32, 16, SimpleKeyingInterface::UNIQUE_IV, 8>, public FixedRounds<R>
{ {
static const char *StaticAlgorithmName() {static const std::string name = "ChaCha" + IntToString(R); return name.c_str();} CRYPTOPP_CONSTEXPR static const char *StaticAlgorithmName() {
return (R==8?"ChaCha8":(R==12?"ChaCha12":(R==20?"ChaCha20":"ChaCha")));
}
}; };
//! \class ChaCha_Policy //! \class ChaCha_Policy