30 lines
619 B
C
30 lines
619 B
C
#include <stdio.h>
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#include <string.h>
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unsigned char encrypted[] = {
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0x07, 0x12, 0x0b, 0x16, 0x0a, 0x03, 0x01, 0x09, 0x39, 0x3a, 0x72,
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0x30, 0x1d, 0x2b, 0x11, 0x1d, 0x24, 0x17, 0x2c, 0x3f
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};
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int main() {
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unsigned char key;
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unsigned char decrypted[21] = { 0 };
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printf("Crypted text: \n");
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for(int i = 0; i < 20; i++) {
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printf("0x%02X", encrypted[i]);
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}
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puts("");
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printf("XOR HEX KEY: ");
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scanf("%hhx", &key);
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for(int i = 0; i < 20; i++) {
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decrypted[i] = encrypted[i] ^ key;
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}
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printf("Result: %s", decrypted);
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return 0;
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}
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