# Choose 63 arbitrary bytes (e.g., all zeros) key = bytearray(SIZE) checksum = 0
if (chk == 0xdeadbeef) // Success path – print the flag stored in the binary puts(flag); return 0; return -1;
def inv_rotl8(v, r): return ((v >> r) | (v << (8 - r))) & 0xFF
# Choose 63 arbitrary bytes (e.g., all zeros) key = bytearray(SIZE) checksum = 0
if (chk == 0xdeadbeef) // Success path – print the flag stored in the binary puts(flag); return 0; return -1;
def inv_rotl8(v, r): return ((v >> r) | (v << (8 - r))) & 0xFF
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