40 lines
959 B
Python
40 lines
959 B
Python
from random import randint, seed
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from itertools import chain
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seed(a = 10489, version=2)
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flag = "IGCTF{RealEncryptionWouldHaveBeenABetterChoice}"
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positions = []
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while len(positions) < len(flag):
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pos = randint(0, 65536)
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if pos in positions:
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continue
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positions.append(pos)
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size = max(positions)
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buff = [ randint(0, 255) for _ in range(0, size+1) ]
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for char, pos in zip(flag, positions):
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buff[pos] = ord(char)
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with open("memory.bin", "wb") as f:
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print("Writing number of characters to the file")
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# Write the number of characters first
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v = len(flag).to_bytes(4, "little")
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f.write(v)
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print("Writing the positions to the file")
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# Write the positions as bytes to the file
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for n in positions:
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v = n.to_bytes(4, "little")
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f.write(v)
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print("Writing the data to the file")
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# Write the data to the file
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for b in buff:
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f.write(b.to_bytes(1, "little"))
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print("Done")
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