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authorSebastian Falbesoner <sebastian.falbesoner@gmail.com>2024-06-29 16:08:49 +0200
committerGitHub <noreply@github.com>2024-06-29 07:08:49 -0700
commit2a99b8f925bcab62dd106a46fbc80876c1030db9 (patch)
tree21a358b17189bf06ed7ed0d80cf944bbb32f3513 /bip-0039/french.txt
parent3b995946605623c16adc954b5c841104db2d3022 (diff)
BIP-352: use own ripemd160 for reference implementation (#1616)
On some operating systems, Python doesn't provide the expected ripemd160 implementation anymore, so the reference implementation fails to start. E.g. in Ubuntu 22.04: ---------------------------------------------------------------------------------------------- $ ./reference.py send_and_receive_test_vectors.json Simple send: two inputs Traceback (most recent call last): File "/usr/lib/python3.10/hashlib.py", line 160, in __hash_new return _hashlib.new(name, data, **kwargs) ValueError: [digital envelope routines] unsupported During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/thestack/bips/bip-0352/./reference.py", line 228, in <module> pubkey = get_pubkey_from_input(vin) File "/home/thestack/bips/bip-0352/./reference.py", line 46, in get_pubkey_from_input pubkey_hash = hash160(pubkey_bytes) File "/home/thestack/bips/bip-0352/bitcoin_utils.py", line 130, in hash160 return hashlib.new("ripemd160", hashlib.sha256(s).digest()).digest() File "/usr/lib/python3.10/hashlib.py", line 166, in __hash_new return __get_builtin_constructor(name)(data) File "/usr/lib/python3.10/hashlib.py", line 123, in __get_builtin_constructor raise ValueError('unsupported hash type ' + name) ValueError: unsupported hash type ripemd160 ---------------------------------------------------------------------------------------------- Fix this by providing a manual implementation, taken from the functional test framework of Bitcoin Core. See corresponding issue https://github.com/bitcoin/bitcoin/issues/23710 and PR https://github.com/bitcoin/bitcoin/pull/23716
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