from pwn import * elf = ELF('./crc') p = process(elf.path) print(p.recv()) p.send(b'e546044287cb085d5e65f266935dd3849e121aaa3eaaa86b8745b2b54da8062f' + b'\n') print(p.recv()) prem0 = [103, 198, 105, 115, 81, 255, 74, 236, 41, 205, 186, 171, 242, 251, 227, 70, 124, 194, 84, 248, 27, 232, 231, 141, 118, 90, 46, 99, 51, 159, 201, 154, 102, 50, 13, 183, 49, 88, 163, 90, 37, 93, 5, 23, 88, 233, 94, 212, 171, 178, 205, 198, 155, 180, 84, 17, 14, 130, 116, 65, 33, 61, 220, 135] target2 = [25, 44, 78, 36, 50, 53, 127, 35, 94, 49, 111, 98, 86, 94, 22, 120, 47, 38, 7, 90, 80, 33, 72, 67, 45, 10, 97, 25, 23, 4, 43, 83, 23, 106, 115, 29, 103, 11, 5, 60, 10, 22, 105, 75, 9, 74, 15, 12, 93, 107, 48, 41, 126, 24, 10, 72, 68, 54, 88, 116, 90, 30, 17, 55] for i in range(64): target2[i] = (target2[i] - prem0[i]) % 256 print(bytes(target2)) p.send(bytes(target2) + b'\n') print(p.recv()) p.close() Running this script i got the flag from the program but it says wrong answer when i submit the flag. Where did i get wrong?

#include <stdio.h> #include <stdlib.h> #include <time.h> int main(void) { unsigned char byte_40E0[] = { 103,198,105,115,81,255,74,236,41,205,186,171,242, 251,227,70,124,194,84,248,27,232,231,141,118,90, 46,99,51,159,201,154,102,50,13,183,49,88,163,90, 37,93,5,23,88,233,94,212,171,178,205,198,155,180, 84,17,14,130,116,65,33,61,220,135 }; unsigned char byte_4020[] = { 64, 27, 22, 237, 137, 84, 235, 94, 235, 97, 244, 139, 208, 152, 161, 210, 2, 178, 158, 135, 141, 45, 190, 123, 230, 243, 169, 178, 95, 32, 27, 81, 194, 234, 133, 12, 142, 45, 67, 3, 137, 234, 242, 75, 198, 3, 17, 49, 81, 50, 25, 41, 64, 226, 19, 206, 54, 20, 19, 33, 127, 131, 0, 110 }; unsigned char byte_4060[] = { 25, 44, 78, 36, 50, 53, 127, 35, 94, 49, 111, 98, 86, 94, 22, 120, 47, 38, 7, 90, 80, 33, 72, 67, 45, 10, 97, 25, 23, 4, 43, 83, 23, 106, 115, 29, 103, 11, 5, 60, 10, 22, 105, 75, 9, 74, 15, 12, 93, 107, 48, 41, 126, 24, 10, 72, 68, 54, 88, 116, 90, 30, 17, 55 }; unsigned char key[70] = {0}; int v0 = time(0LL); srand(v0); for (int k = 0; k <= 63; k++) { int v9 = rand(); for (int j = 33; j <= 127; j++) { int v8 = j + byte_40E0[k]; char cal = v8 - (((v9 - 0x800000) & (unsigned int)(v8 * (rand() % 64 + 0x10000))) >> 16); if (cal == byte_4060[k]) { key[k] = j; break; } } } printf("%s\n", key); return 0; } 코드를 위와 같이 작성했는데 key를 출력해보면 값이 하나도 안나오네요.. 뭐가 문제일까요