diff options
Diffstat (limited to 'src/wallet/crypter.h')
| -rw-r--r-- | src/wallet/crypter.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h index eb06a7866a..5d0a4a3305 100644 --- a/src/wallet/crypter.h +++ b/src/wallet/crypter.h @@ -13,6 +13,7 @@ class uint256; const unsigned int WALLET_CRYPTO_KEY_SIZE = 32; const unsigned int WALLET_CRYPTO_SALT_SIZE = 8; +const unsigned int WALLET_CRYPTO_IV_SIZE = 16; /** * Private key encryption is done based on a CMasterKey, @@ -66,18 +67,26 @@ public: typedef std::vector<unsigned char, secure_allocator<unsigned char> > CKeyingMaterial; +namespace wallet_crypto +{ + class TestCrypter; +} + /** Encryption/decryption context with key information */ class CCrypter { +friend class wallet_crypto::TestCrypter; // for test access to chKey/chIV private: unsigned char chKey[WALLET_CRYPTO_KEY_SIZE]; - unsigned char chIV[WALLET_CRYPTO_KEY_SIZE]; + unsigned char chIV[WALLET_CRYPTO_IV_SIZE]; bool fKeySet; + int BytesToKeySHA512AES(const std::vector<unsigned char>& chSalt, const SecureString& strKeyData, int count, unsigned char *key,unsigned char *iv) const; + public: 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 Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext) const; + bool Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext) const; bool SetKey(const CKeyingMaterial& chNewKey, const std::vector<unsigned char>& chNewIV); void CleanKey() |