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Merge pull request #5239

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65e3a1e Make sure that GetRandomBytes never fails (Wladimir J. van der Laan)
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Wladimir J. van der Laan 2014-11-10 17:26:05 +01:00
commit 33d5ee6830
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3 changed files with 5 additions and 8 deletions
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5
src/random.cpp
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@ -82,13 +82,12 @@ void RandAddSeedPerfmon()
#endif
}
bool GetRandBytes(unsigned char* buf, int num)
void GetRandBytes(unsigned char* buf, int num)
{
if (RAND_bytes(buf, num) != 1) {
LogPrintf("%s: OpenSSL RAND_bytes() failed with error: %s\n", __func__, ERR_error_string(ERR_get_error(), NULL));
return false;
assert(false);
}
return true;
}
uint64_t GetRand(uint64_t nMax)

2
src/random.h
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@ -19,7 +19,7 @@ void RandAddSeedPerfmon();
/**
* Functions to gather random data via the OpenSSL PRNG
*/
bool GetRandBytes(unsigned char* buf, int num);
void GetRandBytes(unsigned char* buf, int num);
uint64_t GetRand(uint64_t nMax);
int GetRandInt(int nMax);
uint256 GetRandHash();

6
src/wallet.cpp
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@ -422,15 +422,13 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
RandAddSeedPerfmon();
vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
if (!GetRandBytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE))
return false;
GetRandBytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
CMasterKey kMasterKey;
RandAddSeedPerfmon();
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
if (!GetRandBytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE))
return false;
GetRandBytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
CCrypter crypter;
int64_t nStartTime = GetTimeMillis();