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LibCrypto: Add some checksum algorithms
Namely CRC32 and Adler32
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7 changed files with 358 additions and 0 deletions
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@ -31,6 +31,8 @@
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#include <LibCrypto/Authentication/HMAC.h>
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#include <LibCrypto/BigInt/SignedBigInteger.h>
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#include <LibCrypto/BigInt/UnsignedBigInteger.h>
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#include <LibCrypto/Checksum/Adler32.h>
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#include <LibCrypto/Checksum/CRC32.h>
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#include <LibCrypto/Cipher/AES.h>
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#include <LibCrypto/Hash/MD5.h>
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#include <LibCrypto/Hash/SHA1.h>
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@ -61,6 +63,7 @@ static bool g_some_test_failed = false;
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static bool encrypting = true;
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constexpr const char* DEFAULT_DIGEST_SUITE { "HMAC-SHA256" };
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constexpr const char* DEFAULT_CHECKSUM_SUITE { "CRC32" };
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constexpr const char* DEFAULT_HASH_SUITE { "SHA256" };
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constexpr const char* DEFAULT_CIPHER_SUITE { "AES_CBC" };
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constexpr const char* DEFAULT_SERVER { "www.google.com" };
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@ -90,6 +93,10 @@ int tls_tests();
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// Big Integer
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int bigint_tests();
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// Checksum
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int adler32_tests();
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int crc32_tests();
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// stop listing tests
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void print_buffer(const ByteBuffer& buffer, int split)
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@ -204,6 +211,18 @@ void aes_cbc(const char* message, size_t len)
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}
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}
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void adler32(const char* message, size_t len)
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{
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auto checksum = Crypto::Checksum::Adler32({ (const u8*)message, len });
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printf("%#10X\n", checksum.digest());
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}
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void crc32(const char* message, size_t len)
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{
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auto checksum = Crypto::Checksum::CRC32({ (const u8*)message, len });
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printf("%#10X\n", checksum.digest());
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}
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void md5(const char* message, size_t len)
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{
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auto digest = Crypto::Hash::MD5::hash((const u8*)message, len);
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@ -293,6 +312,7 @@ auto main(int argc, char** argv) -> int
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puts("test-crypto modes");
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puts("\tdigest - Access digest (authentication) functions");
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puts("\thash - Access hash functions");
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puts("\tchecksum - Access checksum functions");
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puts("\tencrypt -- Access encryption functions");
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puts("\tdecrypt -- Access decryption functions");
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puts("\ttls -- Connect to a peer over TLS 1.2");
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@ -332,6 +352,24 @@ auto main(int argc, char** argv) -> int
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printf("unknown hash function '%s'\n", suite);
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return 1;
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}
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if (mode_sv == "checksum") {
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if (suite == nullptr)
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suite = DEFAULT_CHECKSUM_SUITE;
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StringView suite_sv { suite };
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if (suite_sv == "CRC32") {
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if (run_tests)
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return crc32_tests();
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return run(crc32);
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}
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if (suite_sv == "Adler32") {
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if (run_tests)
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return adler32_tests();
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return run(adler32);
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}
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printf("unknown checksum function '%s'\n", suite);
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return 1;
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}
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if (mode_sv == "digest") {
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if (suite == nullptr)
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suite = DEFAULT_DIGEST_SUITE;
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@ -1558,6 +1596,50 @@ void tls_test_client_hello()
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loop.exec();
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}
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int adler32_tests()
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{
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auto do_test = [](ReadonlyBytes input, u32 expected_result) {
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I_TEST((CRC32));
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auto pass = Crypto::Checksum::Adler32(input).digest() == expected_result;
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if (pass) {
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PASS;
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} else {
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FAIL(Incorrect Result);
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}
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};
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do_test(String("").bytes(), 0x1);
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do_test(String("a").bytes(), 0x00620062);
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do_test(String("abc").bytes(), 0x024d0127);
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do_test(String("message digest").bytes(), 0x29750586);
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do_test(String("abcdefghijklmnopqrstuvwxyz").bytes(), 0x90860b20);
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return g_some_test_failed ? 1 : 0;
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}
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int crc32_tests()
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{
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auto do_test = [](ReadonlyBytes input, u32 expected_result) {
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I_TEST((Adler32));
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auto pass = Crypto::Checksum::CRC32(input).digest() == expected_result;
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if (pass) {
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PASS;
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} else {
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FAIL(Incorrect Result);
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}
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};
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do_test(String("").bytes(), 0x0);
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do_test(String("The quick brown fox jumps over the lazy dog").bytes(), 0x414FA339);
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do_test(String("various CRC algorithms input data").bytes(), 0x9BD366AE);
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return g_some_test_failed ? 1 : 0;
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}
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int bigint_tests()
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{
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bigint_test_fibo500();
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