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39 lines
790 B
C++
39 lines
790 B
C++
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/*
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* NIST keywrap example
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* (C) 2011 Jack Lloyd
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*
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* Distributed under the terms of the Botan license
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*/
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#include <botan/botan.h>
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#include <botan/rfc3394.h>
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#include <botan/hex.h>
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#include <iostream>
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int main()
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{
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using namespace Botan;
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LibraryInitializer init;
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AutoSeeded_RNG rng;
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// The key to encrypt
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SymmetricKey key(rng, 24);
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// The key encryption key
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SymmetricKey kek(rng, 32);
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std::cout << "Original: " << key.as_string() << "\n";
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Algorithm_Factory& af = global_state().algorithm_factory();
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SecureVector<byte> enc = rfc3394_keywrap(key.bits_of(), kek, af);
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std::cout << "Encrypted: " << hex_encode(enc) << "\n";
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SecureVector<byte> dec = rfc3394_keyunwrap(enc, kek, af);
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std::cout << "Decrypted: " << hex_encode(dec) << "\n";
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}
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