cis-kuldeep/PyBitmessage-2021-04-27
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Move pointMult to highlevelcrypto

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Remove pointMult from class_addressGenerator
Update pointMult calls to highlevelcrypto.pointMult
This commit is contained in:
bmng-dev 2014-05-21 10:06:20 +00:00
parent ecf78801bf
commit 19deff7c75
1 changed files with 4 additions and 33 deletions
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37
src/class_addressGenerator.py
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@ -79,11 +79,11 @@ class addressGenerator(threading.Thread):
startTime = time.time() startTime = time.time()
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0 numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix = 0
potentialPrivSigningKey = OpenSSL.rand(32) potentialPrivSigningKey = OpenSSL.rand(32)
potentialPubSigningKey = pointMult(potentialPrivSigningKey) potentialPubSigningKey = highlevelcrypto.pointMult(potentialPrivSigningKey)
while True: while True:
numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1 numberOfAddressesWeHadToMakeBeforeWeFoundOneWithTheCorrectRipePrefix += 1
potentialPrivEncryptionKey = OpenSSL.rand(32) potentialPrivEncryptionKey = OpenSSL.rand(32)
potentialPubEncryptionKey = pointMult( potentialPubEncryptionKey = highlevelcrypto.pointMult(
potentialPrivEncryptionKey) potentialPrivEncryptionKey)
# print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex') # print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex')
# print 'potentialPubEncryptionKey', # print 'potentialPubEncryptionKey',
@ -175,9 +175,9 @@ class addressGenerator(threading.Thread):
deterministicPassphrase + encodeVarint(signingKeyNonce)).digest()[:32] deterministicPassphrase + encodeVarint(signingKeyNonce)).digest()[:32]
potentialPrivEncryptionKey = hashlib.sha512( potentialPrivEncryptionKey = hashlib.sha512(
deterministicPassphrase + encodeVarint(encryptionKeyNonce)).digest()[:32] deterministicPassphrase + encodeVarint(encryptionKeyNonce)).digest()[:32]
potentialPubSigningKey = pointMult( potentialPubSigningKey = highlevelcrypto.pointMult(
potentialPrivSigningKey) potentialPrivSigningKey)
potentialPubEncryptionKey = pointMult( potentialPubEncryptionKey = highlevelcrypto.pointMult(
potentialPrivEncryptionKey) potentialPrivEncryptionKey)
# print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex') # print 'potentialPubSigningKey', potentialPubSigningKey.encode('hex')
# print 'potentialPubEncryptionKey', # print 'potentialPubEncryptionKey',
@ -280,32 +280,3 @@ class addressGenerator(threading.Thread):
raise Exception( raise Exception(
"Error in the addressGenerator thread. Thread was given a command it could not understand: " + command) "Error in the addressGenerator thread. Thread was given a command it could not understand: " + command)
# Does an EC point multiplication; turns a private key into a public key.
def pointMult(secret):
# ctx = OpenSSL.BN_CTX_new() #This value proved to cause Seg Faults on
# Linux. It turns out that it really didn't speed up EC_POINT_mul anyway.
k = OpenSSL.EC_KEY_new_by_curve_name(OpenSSL.get_curve('secp256k1'))
priv_key = OpenSSL.BN_bin2bn(secret, 32, 0)
group = OpenSSL.EC_KEY_get0_group(k)
pub_key = OpenSSL.EC_POINT_new(group)
OpenSSL.EC_POINT_mul(group, pub_key, priv_key, None, None, None)
OpenSSL.EC_KEY_set_private_key(k, priv_key)
OpenSSL.EC_KEY_set_public_key(k, pub_key)
# print 'priv_key',priv_key
# print 'pub_key',pub_key
size = OpenSSL.i2o_ECPublicKey(k, 0)
mb = ctypes.create_string_buffer(size)
OpenSSL.i2o_ECPublicKey(k, ctypes.byref(ctypes.pointer(mb)))
# print 'mb.raw', mb.raw.encode('hex'), 'length:', len(mb.raw)
# print 'mb.raw', mb.raw, 'length:', len(mb.raw)
OpenSSL.EC_POINT_free(pub_key)
# OpenSSL.BN_CTX_free(ctx)
OpenSSL.BN_free(priv_key)
OpenSSL.EC_KEY_free(k)
return mb.raw