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* [Security] Use a CSPRNG for salts, tokens, and RNG seeding Password salts and activation tokens were generated with the global SFMT RNG, which was seeded from a 32-bit timestamp, making registration salts and activation tokens predictable. The game RNG used the same timestamp seed across restarts. Add CryptoUtil backed by OpenSSL RAND_bytes and use it for salt/token generation and to seed RNG_SFMT with a 64-bit CSPRNG value in both the client and server. Link libcockatrice_utility against OpenSSL::Crypto. Took 30 seconds Took 25 minutes * Lint. Took 4 minutes Took 36 seconds --------- Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
13 lines
202 B
C++
13 lines
202 B
C++
#ifndef CRYPTOUTIL_H
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#define CRYPTOUTIL_H
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#include <QByteArray>
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#include <QtGlobal>
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namespace CryptoUtil
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{
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QByteArray randomBytes(int count);
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quint64 randomUInt64();
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} // namespace CryptoUtil
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#endif
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