31 lines
842 B
Python
31 lines
842 B
Python
"""Box identity generation and management."""
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from __future__ import annotations
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import hashlib
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import secrets
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import string
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PREFIX = "klangkiste-"
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LETTERS = string.ascii_lowercase
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DIGITS = string.digits
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SUFFIX_LENGTH = 10
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STATIC_APP_SALT = "klangkiste-static-app-salt-v1"
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def generate_box_id() -> str:
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start_with_letter = secrets.choice([True, False])
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suffix_chars = []
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for i in range(SUFFIX_LENGTH):
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if (i % 2 == 0) == start_with_letter:
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suffix_chars.append(secrets.choice(LETTERS))
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else:
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suffix_chars.append(secrets.choice(DIGITS))
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suffix = "".join(suffix_chars)
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return f"{PREFIX}{suffix}"
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def compute_fingerprint(box_id: str, secret_seed: str) -> str:
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payload = f"{box_id}{secret_seed}{STATIC_APP_SALT}".encode("utf-8")
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return hashlib.sha256(payload).hexdigest()
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