56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sys/types.h>
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ulong SECRETPASSWORD;
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int main(int param_1, int *param_2) {
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char* foo = "Hello";
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uint8_t string_equality;
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uint8_t output_value;
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size_t input_length;
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uint8_t local_20;
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uint8_t itr;
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local_20 = 1;
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if (true /*param_1 == 2*/) {
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itr = 0;
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while( true ) {
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//input_length = strlen((char *)param_2[1]); // 16
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input_length = strlen(foo); // 16
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if (16 <= itr) break;
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local_20 = (local_20 * 3) % 257;
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itr = itr + 1;
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}
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string_equality = strncmp(
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// SECRETPASSWORD = 00402e82
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// SECRETPASSWORD + ( (249+226)%257 ) * 8
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// SECRETPASSWORD + (475%257) * 8
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// SECRETPASSWORD + 218 * 8
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// SECRETPASSWORD + 1744
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*(char **)(SECRETPASSWORD + (ulong)((local_20 + 226) % 257) * 8),
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foo,
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16
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);
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// => DwMxRPg1cjmVTHdV
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if (string_equality == 0) {
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fprintf(stderr,"\nCongratulations ! The right password is indeed %s :-)\n\n",param_2[1]);
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output_value = 0;
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}
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else {
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fwrite("\nWrong password ! Try again...\n\n", 1, 32, stderr);
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output_value = 1;
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}
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}
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else {
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fwrite("\nMSE-SRE Challenge E1 --- Enjoy !\n", 1, 34, stderr);
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fprintf(stderr, "\nUsage: %s <password>\n\n", *param_2);
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output_value = 1;
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}
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return output_value;
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}
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