Feat: Add tests
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9194475153
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331ed1750f
6 changed files with 81 additions and 16 deletions
11
.vscode/settings.json
vendored
11
.vscode/settings.json
vendored
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@ -2,7 +2,14 @@
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"C_Cpp.clang_format_fallbackStyle": "Google",
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"files.associations": {
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"functional": "c",
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"helper.h": "c"
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"helper.h": "c",
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"string": "c",
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"vector": "c",
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"memory": "c",
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"optional": "c",
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"string_view": "c",
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"system_error": "c",
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"variant": "c"
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},
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"editor.formatOnSave": true,
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"editor.formatOnSave": true
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}
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@ -14,6 +14,6 @@
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* @param size a pointer where the size of the result should be stored
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* @return the raw data
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*/
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static uint8_t* read_file(const char* path, size_t* size);
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uint8_t* read_file(const char* path, size_t* size);
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#endif // IO_H
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@ -25,4 +25,6 @@ void md2_hash(size_t len, const uint8_t buf[], uint8_t out[16]);
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*/
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void md2_checksum(size_t len, uint8_t* buf);
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void encodeHash(uint8_t hash[16], char* stringHash);
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#endif // MD2_H
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@ -1,6 +1,6 @@
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#include "io.h"
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static uint8_t* read_file(const char* path, size_t* size) {
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uint8_t* read_file(const char* path, size_t* size) {
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// Read the contents of the file specified by path into a heap-allocated
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// buffer and return a pointer to that buffer.
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FILE* f = fopen(path, "r");
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@ -1,7 +1,52 @@
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#include <stdbool.h>
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#include "helper.h"
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#include "io.h"
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#include "md2.h"
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// Returns true when val is approx. equal to exp.
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static bool runTest(const char* message, const char* expectedHash) {
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uint8_t out[16];
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md2_hash(strlen(message), message, out);
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char hash[32];
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encodeHash(out, hash);
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bool ok = !strcmp(hash, expectedHash);
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printf("%s: md2(%s) %s == %s\n", "not ok" + (4 * ok), message, hash,
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expectedHash);
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return ok;
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}
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unsigned runTests(void) {
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unsigned failed = 0;
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// Note: cases with n<2 are not tested here.
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failed += !runTest("", "8350e5a3e24c153df2275c9f80692773");
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failed += !runTest("a", "32ec01ec4a6dac72c0ab96fb34c0b5d1");
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failed += !runTest("abc", "da853b0d3f88d99b30283a69e6ded6bb");
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failed += !runTest("message digest", "ab4f496bfb2a530b219ff33031fe06b0");
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failed += !runTest("jebdjcslfhwfdig", "e1b69085c6f6e36cb8fe8d98ed3f2c35");
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failed += !runTest("0123456789abcde", "d95629645108a20ab4d70e8545e0723b");
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failed += !runTest("0123456789abcdef", "12c8dfa285f14e1af8c5254e7092d0d3");
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failed += !runTest("0123456789abcdefg", "e4d0efded5ef7b6843a5ba47e1171347");
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failed += !runTest("abcdefghijklmnopqrstuvwxyz",
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"4e8ddff3650292ab5a4108c3aa47940b");
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failed +=
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!runTest("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
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"da33def2a42df13975352846c30338cd");
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failed += !runTest(
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"123456789012345678901234567890123456789012345678901234567890123456789012"
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"34567890",
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"d5976f79d83d3a0dc9806c3c66f3efd8");
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if (failed)
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printf("%u tests FAILED\n", failed);
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else
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printf("All tests PASSED\n");
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return failed;
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}
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int main(int argc, char** argv) {
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struct configuration c;
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enum argumentParseResult result = parseArguments(argc, argv, &c);
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@ -20,14 +65,19 @@ int main(int argc, char** argv) {
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"benchmark cycles: %d\n",
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c.filename, c.implementationToUse, c.doBenchmark, c.benchmarkingCycles);
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runTests();
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/*size_t len;
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uint8_t* data = read_file(c.filename, &len);
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uint8_t out[16];
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md2_hash(3, "abc", out);
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const char* test = "abcdefghijklmnopqrstuvwxyz";
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len = strlen(test);
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md2_hash(len, test, out);
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printf("Hash: ");
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for (int i = 0; i < 16; i++) {
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printf("%02x", out[i]);
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}
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printf("\n");
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const char hash[16];
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encodeHash(out, &hash);
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printf("%s\n", hash);*/
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return 0;
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}
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@ -48,7 +48,7 @@ void md2_hash(size_t len, const uint8_t buf[len], uint8_t out[16]) {
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uint8_t originalPadding = paddingNeeded;
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len += paddingNeeded;
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printf("len: %d\n", len);
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// printf("len: %d\n", len);
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// +16 for the checksum
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uint8_t* newBuf = calloc(len + 16, sizeof(uint8_t));
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@ -58,14 +58,14 @@ void md2_hash(size_t len, const uint8_t buf[len], uint8_t out[16]) {
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newBuf[len - paddingNeeded] = originalPadding;
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paddingNeeded--;
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}
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printf("buf with padding: ");
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printBuf(len + 16, newBuf);
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// printf("buf with padding: ");
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// printBuf(len + 16, newBuf);
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// === step 2 ===
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md2_checksum(len, newBuf);
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printf("buf with cecksum: ");
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printBuf(len + 16, newBuf);
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// printf("buf with cecksum: ");
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// printBuf(len + 16, newBuf);
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// === step 3 ===
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uint8_t* messageDigestBuf = calloc(48, sizeof(uint8_t));
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@ -88,11 +88,17 @@ void md2_hash(size_t len, const uint8_t buf[len], uint8_t out[16]) {
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t = (t + j) % 256;
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}
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}
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printf("messageDigestBuf: \n");
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printBuf(16, messageDigestBuf);
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// printf("messageDigestBuf: \n");
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// printBuf(16, messageDigestBuf);
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memcpy(out, messageDigestBuf, 16);
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free(messageDigestBuf);
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free(newBuf);
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}
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void encodeHash(uint8_t hash[16], char* stringHash) {
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for (int i = 0; i < 16; i++) {
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sprintf(stringHash + (2 * i), "%02x", hash[i]);
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}
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}
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