Mercurial > public > ostc_companion
diff AES/unit_test.cpp @ 1:0b3630a29ad8
Initial version based on previous repository.
Project was ported to QT6 and in now cmake based.
| author | Ideenmodellierer <tiefenrauscher@web.de> |
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| date | Thu, 27 Nov 2025 18:40:28 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AES/unit_test.cpp Thu Nov 27 18:40:28 2025 +0100 @@ -0,0 +1,215 @@ +//////////////////////////////////////////////////////////////////////// +/// \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; + } + } +} + +//////////////////////////////////////////////////////////////////////////////