Created
January 12, 2025 18:17
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Pure python BIP39 seed generator
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import os | |
import hashlib | |
def new_seed() -> list: | |
# https://raw.githubusercontent.com/bitcoin/bips/refs/heads/master/bip-0039/english.txt | |
with open(os.path.join(os.path.dirname(__file__), 'bip39', 'english.txt'), "r") as f: | |
wordlist = f.read().splitlines() | |
entropy = os.urandom(16) # 128 bit, 12 words | |
checksum = hashlib.sha256(entropy).digest() | |
entropy_with_checksum = entropy + checksum[:1] | |
bits = "".join(f"{byte:08b}" for byte in entropy_with_checksum) | |
words = [wordlist[int(bits[i:i + 11], 2)] for i in range(0, len(bits), 11)] | |
return words |
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