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#!/bin/sh
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[ "$1" = python3-cryptography ] || exit 0
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python3 - << EOF
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import sys
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from cryptography.fernet import Fernet
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key = Fernet.generate_key()
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f = Fernet(key)
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token = f.encrypt(b"my deep dark secret")
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sys.exit(0 if f.decrypt(token) == b"my deep dark secret" else 1)
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EOF
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