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Implement an mlock()'d string class for storing passphrases

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SecureString is identical to std::string except with secure_allocator
substituting for std::allocator. This makes casting between them
impossible, so converting between the two at API boundaries requires
calling ::c_str() for now.
This commit is contained in:
Dylan Noblesmith
2011-11-26 06:02:04 +00:00
parent d8b8640863
commit 94f778bdeb
9 changed files with 40 additions and 54 deletions
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2
src/crypter.h
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@@ -65,7 +65,7 @@ private:
bool fKeySet;
public:
bool SetKeyFromPassphrase(const std::string &strKeyData, const std::vector<unsigned char>& chSalt, const unsigned int nRounds, const unsigned int nDerivationMethod);
bool SetKeyFromPassphrase(const SecureString &strKeyData, const std::vector<unsigned char>& chSalt, const unsigned int nRounds, const unsigned int nDerivationMethod);
bool Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext);
bool Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext);
bool SetKey(const CKeyingMaterial& chNewKey, const std::vector<unsigned char>& chNewIV);