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LibCrypto: Add support for the POSIX cksum algorithm
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4 changed files with 150 additions and 0 deletions
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@ -6,6 +6,7 @@
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#include <LibCrypto/Checksum/Adler32.h>
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#include <LibCrypto/Checksum/CRC32.h>
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#include <LibCrypto/Checksum/cksum.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(test_adler32)
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@ -22,6 +23,35 @@ TEST_CASE(test_adler32)
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do_test(ByteString("abcdefghijklmnopqrstuvwxyz").bytes(), 0x90860b20);
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}
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TEST_CASE(test_cksum)
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{
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auto do_test = [](ReadonlyBytes input, u32 expected_result) {
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auto digest = Crypto::Checksum::cksum(input).digest();
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EXPECT_EQ(digest, expected_result);
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};
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do_test(ByteString("").bytes(), 0xFFFFFFFF);
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do_test(ByteString("The quick brown fox jumps over the lazy dog").bytes(), 0x7BAB9CE8);
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do_test(ByteString("various CRC algorithms input data").bytes(), 0xEFB5CA4F);
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}
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TEST_CASE(test_cksum_atomic_digest)
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{
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auto compare = [](u32 digest, u32 expected_result) {
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EXPECT_EQ(digest, expected_result);
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};
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Crypto::Checksum::cksum cksum;
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cksum.update(ByteString("Well").bytes());
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cksum.update(ByteString(" hello ").bytes());
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cksum.digest();
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cksum.update(ByteString("friends").bytes());
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auto digest = cksum.digest();
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compare(digest, 0x2D65C7E0);
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}
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TEST_CASE(test_crc32)
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{
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auto do_test = [](ReadonlyBytes input, u32 expected_result) {
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