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Update load.py #399

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Update load.py #399

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7 changes: 6 additions & 1 deletion tiktoken/load.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,12 @@ def read_file_cached(blobpath: str, expected_hash: str | None = None) -> bytes:
# disable caching
return read_file(blobpath)

cache_key = hashlib.sha1(blobpath.encode()).hexdigest()
# cache_key = hashlib.sha1(blobpath.encode()).hexdigest()
# Replaced SHA-1 with SHA-256 to avoid security scanner flags.
# Not used for crypto purposes, but aligns with current best practices.

cache_key = hashlib.sha256(blobpath.encode()).hexdigest()


cache_path = os.path.join(cache_dir, cache_key)
if os.path.exists(cache_path):
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