dlltest.cpp

#ifndef CRYPTOPP_DLL_ONLY
#define CRYPTOPP_DEFAULT_NO_DLL
#endif

#include "dll.h"
#include <iostream>

USING_NAMESPACE(CryptoPP)
USING_NAMESPACE(std)

void FIPS140_SampleApplication()
{
        if (!FIPS_140_2_ComplianceEnabled())
        {
                cerr << "FIPS 140-2 compliance was turned off at compile time.\n";
                abort();
        }

        // check self test status
        if (GetPowerUpSelfTestStatus() != POWER_UP_SELF_TEST_PASSED)
        {
                cerr << "Automatic power-up self test failed.\n";
                abort();
        }
        cout << "0. Automatic power-up self test passed.\n";

        // simulate a power-up self test error
        SimulatePowerUpSelfTestFailure();
        try
        {
                // trying to use a crypto algorithm after power-up self test error will result in an exception
                AES::Encryption aes;

                // should not be here
                cerr << "Use of AES failed to cause an exception after power-up self test error.\n";
                abort();
        }
        catch (SelfTestFailure &e)
        {
                cout << "1. Caught expected exception when simulating self test failure. Exception message follows: ";
                cout << e.what() << endl;
        }

        // clear the self test error state and redo power-up self test
        DoDllPowerUpSelfTest();
        if (GetPowerUpSelfTestStatus() != POWER_UP_SELF_TEST_PASSED)
        {
                cerr << "Re-do power-up self test failed.\n";
                abort();
        }
        cout << "2. Re-do power-up self test passed.\n";

        // encrypt and decrypt
        const byte key[] = {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef, 0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef, 0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef};
        const byte iv[] = {0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef};
        const byte plaintext[] = {      // "Now is the time for all " without tailing 0
                0x4e,0x6f,0x77,0x20,0x69,0x73,0x20,0x74,
                0x68,0x65,0x20,0x74,0x69,0x6d,0x65,0x20,
                0x66,0x6f,0x72,0x20,0x61,0x6c,0x6c,0x20};
        byte ciphertext[24];
        byte decrypted[24];

        CFB_FIPS_Mode<DES_EDE3>::Encryption encryption_DES_EDE3_CFB;
        encryption_DES_EDE3_CFB.SetKeyWithIV(key, sizeof(key), iv);
        encryption_DES_EDE3_CFB.ProcessString(ciphertext, plaintext, 24);

        CFB_FIPS_Mode<DES_EDE3>::Decryption decryption_DES_EDE3_CFB;
        decryption_DES_EDE3_CFB.SetKeyWithIV(key, sizeof(key), iv);
        decryption_DES_EDE3_CFB.ProcessString(decrypted, ciphertext, 24);

        if (memcmp(plaintext, decrypted, 24) != 0)
        {
                cerr << "DES-EDE3-CFB Encryption/decryption failed.\n";
                abort();
        }
        cout << "3. DES-EDE3-CFB Encryption/decryption succeeded.\n";

        // hash
        const byte message[] = {'a', 'b', 'c'};
        const byte expectedDigest[] = {0xA9,0x99,0x3E,0x36,0x47,0x06,0x81,0x6A,0xBA,0x3E,0x25,0x71,0x78,0x50,0xC2,0x6C,0x9C,0xD0,0xD8,0x9D};
        byte digest[20];
        
        SHA1 sha;
        sha.Update(message, 3);
        sha.Final(digest);

        if (memcmp(digest, expectedDigest, 20) != 0)
        {
                cerr << "SHA-1 hash failed.\n";
                abort();
        }
        cout << "4. SHA-1 hash succeeded.\n";

        // create auto-seeded X9.17 RNG object, if available
#ifdef OS_RNG_AVAILABLE
        AutoSeededX917RNG<DES_EDE3> rng;
#else
        // this is used to allow this function to compile on platforms that don't have auto-seeded RNGs
        RandomNumberGenerator &rng(NullRNG());
#endif

        // generate DSA key
        DSA::PrivateKey dsaPrivateKey;
        dsaPrivateKey.GenerateRandomWithKeySize(rng, 1024);
        DSA::PublicKey dsaPublicKey;
        dsaPublicKey.AssignFrom(dsaPrivateKey);
        if (!dsaPrivateKey.Validate(rng, 3) || !dsaPublicKey.Validate(rng, 3))
        {
                cerr << "DSA key generation failed.\n";
                abort();
        }
        cout << "5. DSA key generation succeeded.\n";

        // encode DSA key
        std::string encodedDsaPublicKey, encodedDsaPrivateKey;
        dsaPublicKey.DEREncode(StringSink(encodedDsaPublicKey).Ref());
        dsaPrivateKey.DEREncode(StringSink(encodedDsaPrivateKey).Ref());

        // decode DSA key
        DSA::PrivateKey decodedDsaPrivateKey;
        decodedDsaPrivateKey.BERDecode(StringStore(encodedDsaPrivateKey).Ref());
        DSA::PublicKey decodedDsaPublicKey;
        decodedDsaPublicKey.BERDecode(StringStore(encodedDsaPublicKey).Ref());

        if (!decodedDsaPrivateKey.Validate(rng, 3) || !decodedDsaPublicKey.Validate(rng, 3))
        {
                cerr << "DSA key encode/decode failed.\n";
                abort();
        }
        cout << "6. DSA key encode/decode succeeded.\n";

        // sign and verify
        byte signature[40];
        DSA::Signer signer(dsaPrivateKey);
        assert(signer.SignatureLength() == 40);
        signer.SignMessage(rng, message, 3, signature);

        DSA::Verifier verifier(dsaPublicKey);
        if (!verifier.VerifyMessage(message, 3, signature, sizeof(signature)))
        {
                cerr << "DSA signature and verification failed.\n";
                abort();
        }
        cout << "7. DSA signature and verification succeeded.\n";


        // try to verify an invalid signature
        signature[0] ^= 1;
        if (verifier.VerifyMessage(message, 3, signature, sizeof(signature)))
        {
                cerr << "DSA signature verification failed to detect bad signature.\n";
                abort();
        }
        cout << "8. DSA signature verification successfully detected bad signature.\n";

        // try to use an invalid key length
        try
        {
                ECB_Mode<DES_EDE3>::Encryption encryption_DES_EDE3_ECB;
                encryption_DES_EDE3_ECB.SetKey(key, 5);

                // should not be here
                cerr << "DES-EDE3 implementation did not detect use of invalid key length.\n";
                abort();
        }
        catch (InvalidArgument &e)
        {
                cout << "9. Caught expected exception when using invalid key length. Exception message follows: ";
                cout << e.what() << endl;
        }

        cout << "\nFIPS 140-2 Sample Application completed normally.\n";
}

#ifdef CRYPTOPP_IMPORTS

static PNew s_pNew = NULL;
static PDelete s_pDelete = NULL;

extern "C" __declspec(dllexport) void __cdecl SetNewAndDeleteFromCryptoPP(PNew pNew, PDelete pDelete, PSetNewHandler pSetNewHandler)
{
        s_pNew = pNew;
        s_pDelete = pDelete;
}

void * __cdecl operator new (size_t size)
{
        return s_pNew(size);
}

void __cdecl operator delete (void * p)
{
        s_pDelete(p);
}

#endif

#ifdef CRYPTOPP_DLL_ONLY

int __cdecl main()
{
        FIPS140_SampleApplication();
        return 0;
}

#endif

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