view AES/unit_test.cpp @ 2:177f640940f2

Update exception class and cleanup redifinitions During firmware download and exception caused the application to stop. Rootcause was the defference between QT5 and QT6 exception and string handling which is updated now. In addition some old definitions were removed to avoid compiler warnings.
author Ideenmodellierer
date Fri, 28 Nov 2025 19:57:35 +0100
parents 0b3630a29ad8
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////////////////////////////////////////////////////////////////////////
/// \file   AES/unit_test.cpp
/// \brief  Test AES block mode, and CFB mode.
/// \author (c) jD Gascuel
///
/// $Id$
////////////////////////////////////////////////////////////////////////
// File History:
//  2015-03-14 [jDG] Creation.

#include "Rijndael.h"
#include "gtest/gtest.h"

#include <set>

/// Vectors from http://www.inconteam.com/software-development/41-encryption/55-aes-test-vectors#aes-ecb-128

static const Rijndael::Block plain[4] = {
    {0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a},
    {0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51},
    {0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef},
    {0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10}
};

static const Rijndael::ECB<128>::Key key128 = {
    0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
};

static const Rijndael::Block cipher128[4] = {
    {0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60, 0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97},
    {0xf5, 0xd3, 0xd5, 0x85, 0x03, 0xb9, 0x69, 0x9d, 0xe7, 0x85, 0x89, 0x5a, 0x96, 0xfd, 0xba, 0xaf},
    {0x43, 0xb1, 0xcd, 0x7f, 0x59, 0x8e, 0xce, 0x23, 0x88, 0x1b, 0x00, 0xe3, 0xed, 0x03, 0x06, 0x88},
    {0x7b, 0x0c, 0x78, 0x5e, 0x27, 0xe8, 0xad, 0x3f, 0x82, 0x23, 0x20, 0x71, 0x04, 0x72, 0x5d, 0xd4}
};

static const Rijndael::ECB<256>::Key key256 = {
    0x60, 0x3d, 0xeb, 0x10, 0x15, 0xca, 0x71, 0xbe, 0x2b, 0x73, 0xae, 0xf0, 0x85, 0x7d, 0x77, 0x81,
    0x1f, 0x35, 0x2c, 0x07, 0x3b, 0x61, 0x08, 0xd7, 0x2d, 0x98, 0x10, 0xa3, 0x09, 0x14, 0xdf, 0xf4
};

static const Rijndael::Block cipher256[4] = {
    {0xf3, 0xee, 0xd1, 0xbd, 0xb5, 0xd2, 0xa0, 0x3c, 0x06, 0x4b, 0x5a, 0x7e, 0x3d, 0xb1, 0x81, 0xf8},
    {0x59, 0x1c, 0xcb, 0x10, 0xd4, 0x10, 0xed, 0x26, 0xdc, 0x5b, 0xa7, 0x4a, 0x31, 0x36, 0x28, 0x70},
    {0xb6, 0xed, 0x21, 0xb9, 0x9c, 0xa6, 0xf4, 0xf9, 0xf1, 0x53, 0xe7, 0xb1, 0xbe, 0xaf, 0xed, 0x1d},
    {0x23, 0x30, 0x4b, 0x7a, 0x39, 0xf9, 0xf3, 0xff, 0x06, 0x7d, 0x8d, 0x8f, 0x9e, 0x24, 0xec, 0xc7}
};

//////////////////////////////////////////////////////////////////////////////

static const Rijndael::Block IV[4] = {
    {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f},
    {0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20, 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A},
    {0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F, 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B},
    {0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40, 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF}
};

static const Rijndael::Block cfb_cipher128[4] = {
    {0x3b, 0x3f, 0xd9, 0x2e, 0xb7, 0x2d, 0xad, 0x20, 0x33, 0x34, 0x49, 0xf8, 0xe8, 0x3c, 0xfb, 0x4a},
    {0xc8, 0xa6, 0x45, 0x37, 0xa0, 0xb3, 0xa9, 0x3f, 0xcd, 0xe3, 0xcd, 0xad, 0x9f, 0x1c, 0xe5, 0x8b},
    {0x26, 0x75, 0x1f, 0x67, 0xa3, 0xcb, 0xb1, 0x40, 0xb1, 0x80, 0x8c, 0xf1, 0x87, 0xa4, 0xf4, 0xdf},
    {0xc0, 0x4b, 0x05, 0x35, 0x7c, 0x5d, 0x1c, 0x0e, 0xea, 0xc4, 0xc6, 0x6f, 0x9f, 0xf7, 0xf2, 0xe6}
};

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, ECB_PRNG) {
    Rijndael::ECB<128> enc;
    enc.setupEncrypt(key128);

    const int samples = 100*1000;
    std::set<Rijndael::Word32> dict;

    int collisions = 0;
    for(int i=0; i<samples; ++i) {
        Rijndael::Word32 x = enc.get_random();

        // Should not hit the zero value:
        ASSERT_NE(0, x);

        // Should scarcely produce the same value twice
        if(dict.find(x) != dict.end())
            ++collisions;
        else
            dict.insert(x);
    }
    // Observed: 250e-6
    ASSERT_LE(float(collisions)/float(samples), 500e-6f);
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, ECB_encrypt_128) {
    Rijndael::ECB<128> enc;
    enc.setupEncrypt(key128);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        enc.encrypt(plain[test], result);
        for(int c=0; c<16; ++c)
            EXPECT_EQ(cipher128[test][c], result[c])
                << "Test " << test << ": byte " << c;
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, ECB_decrypt_128) {
    Rijndael::ECB<128> dec;
    dec.setupDecrypt(key128);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        dec.decrypt(cipher128[test], result);
        for(int c=0; c<16; ++c)
            EXPECT_EQ(plain[test][c], result[c])
                << "Test " << test << ": byte " << c;
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, ECB_encrypt_256) {
    Rijndael::ECB<256> enc;
    enc.setupEncrypt(key256);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        enc.encrypt(plain[test], result);
        for(int c=0; c<16; ++c)
            ASSERT_EQ(cipher256[test][c], result[c])
                << "Test " << test << ": byte " << c;
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, ECB_decrypt_256) {
    Rijndael::ECB<256> dec;
    dec.setupDecrypt(key256);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        dec.decrypt(cipher256[test], result);
        for(int c=0; c<16; ++c)
            ASSERT_EQ(plain[test][c], result[c])
                << "Test " << test << ": byte " << c;
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, CFB_encrypt_128) {
    for(int test=0; test<4; ++test) {
        Rijndael::CFB<128> enc(key128, IV[test]);

        Rijndael::Block result = {0};
        enc.encrypt(plain[test], result);
        for(int c=0; c<16; ++c)
        {
            ASSERT_EQ(cfb_cipher128[test][c], result[c])
                << "Test " << test << ": byte " << c;
        }
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, CFB_decrypt_128) {
    for(int test=0; test<4; ++test) {
        Rijndael::CFB<128> dec(key128, IV[test]);

        Rijndael::Block result = {0};
        dec.decrypt(cfb_cipher128[test], result);
        for(int c=0; c<16; ++c)
        {
            ASSERT_EQ(plain[test][c], result[c])
                << "Test " << test << ": byte " << c;
        }
    }
}

//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, CFB_encrypt_128_chained) {
    Rijndael::CFB<128> enc(key128, IV[0]);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        enc.encrypt(plain[test], result);
        for(int c=0; c<16; ++c)
        {
            ASSERT_EQ(cfb_cipher128[test][c], result[c])
                << "Test " << test << ": byte " << c;
        }
    }
}


//////////////////////////////////////////////////////////////////////////////

TEST(Rijndael, CFB_decrypt_128_chained) {
    Rijndael::CFB<128> dec(key128, IV[0]);

    for(int test=0; test<4; ++test) {
        Rijndael::Block result = {0};
        dec.decrypt(cfb_cipher128[test], result);
        for(int c=0; c<16; ++c)
        {
            ASSERT_EQ(plain[test][c], result[c])
                << "Test " << test << ": byte " << c;
        }
    }
}

//////////////////////////////////////////////////////////////////////////////