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1"""Signer utils for internal use that require pyca/cryptography."""
3from cryptography.hazmat.primitives.hashes import (
4 SHA224,
5 SHA256,
6 SHA384,
7 SHA512,
8 HashAlgorithm,
9)
12def get_hash_algorithm(name: str) -> HashAlgorithm:
13 """Helper to return hash algorithm object for name."""
14 if name == "sha224":
15 return SHA224()
16 elif name == "sha256":
17 return SHA256()
18 elif name == "sha384":
19 return SHA384()
20 elif name == "sha512":
21 return SHA512()
23 raise ValueError(f"Unsupported hash algorithm: {name}")