Switch to 128 bit security level
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4bc207967d
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1b7dbe2a4f
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@ -110,8 +110,8 @@ def auth_hash(client_pubkey, server_pubkey):
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server_pubkey_hash = sha512(enc_len(len(server_pubkey)) + server_pubkey)
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combined_hash = sha512(client_pubkey_hash + server_pubkey_hash)
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truncated_hash = combined_hash[:32]
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hash_check = sha512(truncated_hash)[:5]
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truncated_hash = combined_hash[:16]
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hash_check = sha512(truncated_hash)[:4]
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return truncated_hash + hash_check
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def chunk(sliceable, length):
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@ -120,7 +120,7 @@ def chunk(sliceable, length):
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def format_hash(hash_bytes):
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hash_base32 = base64.b32encode(hash_bytes).decode().lower().replace('=', '')
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chunked_base32 = chunk(hash_base32, 5)
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chunked_base32 = chunk(hash_base32, 4)
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return '-'.join(chunked_base32)
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def verify(client_pubkey, server_pubkey):
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