def mnemonic_to_key(mnemonic):
# Mnemonic to seed. No custom passphrase supported
mnemonic = normalize('NFKD', ' '.join(mnemonic))
seed = PBKDF2(mnemonic, u'mnemonic', iterations=2048, macmodule=hmac, digestmodule=sha512).read(64)
# Seed to key
secret, chain = seed[:32], seed[32:]
key = BIP32Key(secret=secret, chain=chain, depth=0, index=0, fpr=b'\0\0\0\0', public=False, testnet=rein.testnet)
return key
def createWallet(entropy):
I = hmac.new("Bitcoin seed", entropy, hashlib.sha512).digest()
Il, Ir = I[:32], I[32:]
key = BIP32Key(secret=Il,
chain=Ir,
depth=0,
index=0,
fpr='\0\0\0\0',
public=False)
return key
def seed_to_key(seed):
secret, chain = seed[:32], seed[32:]
key = BIP32Key(secret=secret,
chain=chain,
depth=0,
index=0,
fpr=b'\0\0\0\0',
public=False,
testnet=rein.testnet)
return key
