2026-08-21 13:51:31 +07:00
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---
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title: "Open Book — Python Source"
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2026-08-21 14:28:04 +07:00
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type: "writeup"
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section: "writeups"
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status: "published"
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author: "asep"
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tags: ["gemastik", "ctf", "warmup", "misc"]
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path: "writeups/gemastik-2026-warmup/ch7-open-book.md"
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created_at: "2026-08-21T07:25:34.522Z"
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updated_at: "2026-08-21T07:25:34.522Z"
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2026-08-21 13:51:31 +07:00
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event: "GEMASTIK 2026 Warmup"
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2026-08-21 14:28:04 +07:00
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challenge: "Open Book — Python Source"
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2026-08-21 13:51:31 +07:00
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category: "misc"
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points: 500
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difficulty: "easy"
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flag: "GEMASTIK19{pyth0n_s0urc3_t3rbuka}"
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---
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# Open Book (500 pts) — Misc / Source
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**File:** `chall.py`
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Password yang benar **langsung dicetak dari array `SECRET`** (ASCII codes):
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```python
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SECRET = [71, 69, 77, 65, 83, 84, 73, 75, 49, 57, 123, 112, 121, 116, 104, 48, 110, 95,
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115, 48, 117, 114, 99, 51, 95, 116, 51, 114, 98, 117, 107, 97, 125]
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flag = "".join(chr(c) for c in SECRET)
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print(flag)
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# GEMASTIK19{pyth0n_s0urc3_t3rbuka}
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```
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## Flag
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2026-08-21 14:28:04 +07:00
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`GEMASTIK19{pyth0n_s0urc3_t3rbuka}`
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