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reference i2d_ECPrivateKey/i2o_ECPublicKey

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This commit is contained in:
Joric 2011-07-14 10:28:16 +06:00
parent 2520a88384
commit 5452b8fefd
1 changed files with 29 additions and 34 deletions
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61
pywallet.py
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@ -201,10 +201,10 @@ class Private_key( object ):
def der( self ): def der( self ):
hex_der_key = '06052b8104000a30740201010420' + \ hex_der_key = '06052b8104000a30740201010420' + \
'%064x' % self.secret_multiplier + \ '%064x' % self.secret_multiplier + \
'a00706052b8104000aa14403420004' + \ 'a00706052b8104000aa14403420004' + \
'%064x' % self.public_key.point.x() + \ '%064x' % self.public_key.point.x() + \
'%064x' % self.public_key.point.y() '%064x' % self.public_key.point.y()
def sign( self, hash, random_k ): def sign( self, hash, random_k ):
G = self.public_key.generator G = self.public_key.generator
@ -218,36 +218,34 @@ class Private_key( object ):
if s == 0: raise RuntimeError, "amazingly unlucky random number s" if s == 0: raise RuntimeError, "amazingly unlucky random number s"
return Signature( r, s ) return Signature( r, s )
curve_256 = CurveFp( _p, _a, _b )
generator_256 = Point( curve_256, _Gx, _Gy, _r )
g = generator_256
class EC_KEY(object): class EC_KEY(object):
def __init__( self, secret ): def __init__( self, secret ):
self.pubkey = Public_key( g, g * secret ) curve = CurveFp( _p, _a, _b )
generator = Point( curve, _Gx, _Gy, _r )
self.pubkey = Public_key( generator, generator * secret )
self.privkey = Private_key( self.pubkey, secret ) self.privkey = Private_key( self.pubkey, secret )
self.secret = secret self.secret = secret
def i2d_ECPrivateKey( self ): def i2d_ECPrivateKey(pkey):
hex_i2d_key = '308201130201010420' + \ hex_i2d_key = '308201130201010420' + \
'%064x' % self.secret + \ '%064x' % pkey.secret + \
'a081a53081a2020101302c06072a8648ce3d0101022100' + \ 'a081a53081a2020101302c06072a8648ce3d0101022100' + \
'%064x' % _p + \ '%064x' % _p + \
'3006040100040107044104' + \ '3006040100040107044104' + \
'%064x' % _Gx + \ '%064x' % _Gx + \
'%064x' % _Gy + \ '%064x' % _Gy + \
'022100' + \ '022100' + \
'%064x' % _r + \ '%064x' % _r + \
'020101a14403420004' + \ '020101a14403420004' + \
'%064x' % self.pubkey.point.x() + \ '%064x' % pkey.pubkey.point.x() + \
'%064x' % self.pubkey.point.y() '%064x' % pkey.pubkey.point.y()
return hex_i2d_key.decode('hex') return hex_i2d_key.decode('hex')
def i2o_ECPublicKey( self ): def i2o_ECPublicKey(pkey):
hex_i2o_key = '04' + \ hex_i2o_key = '04' + \
'%064x' % self.pubkey.point.x() + \ '%064x' % pkey.pubkey.point.x() + \
'%064x' % self.pubkey.point.y() '%064x' % pkey.pubkey.point.y()
return hex_i2o_key.decode('hex') return hex_i2o_key.decode('hex')
# hashes # hashes
@ -369,9 +367,6 @@ def SecretToASecret(secret):
def ASecretToSecret(key): def ASecretToSecret(key):
vch = DecodeBase58Check(key) vch = DecodeBase58Check(key)
print long_hex(vch)
if vch and vch[0] == chr(addrtype+128): if vch and vch[0] == chr(addrtype+128):
return vch[1:] return vch[1:]
else: else:
@ -385,10 +380,10 @@ def regenerate_key(sec):
return EC_KEY(secret) return EC_KEY(secret)
def GetPubKey(pkey): def GetPubKey(pkey):
return pkey.i2o_ECPublicKey() return i2o_ECPublicKey(pkey)
def GetPrivKey(pkey): def GetPrivKey(pkey):
return pkey.i2d_ECPrivateKey() return i2d_ECPrivateKey(pkey)
def GetSecret(pkey): def GetSecret(pkey):
return ('%064x' % pkey.secret).decode('hex') return ('%064x' % pkey.secret).decode('hex')