Python MiniNero.scalarmultKey方法代码示例

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def MLSAG_Ver(pk, keyimage, c1, s ):
    rows = len(pk)
    cols = len(pk[0])
    print("verifying MLSAG sig of dimensions ",rows ,"x ", cols)
    L = [[None]*cols]
    R = [[None]*cols]
    pj = ''.join(pk[0])
    for i in range(1, rows):
      L.append([None] * cols)
      R.append([None] * cols)
      pj = pj + ''.join(pk[i])
    c= [None]*(cols+1) #you do an extra one, and then check the wrap around 
    HP = [[MiniNero.hashToPoint_cn(i) for i in pk[0]]]
    for j in range(1, rows):
      HP.append([MiniNero.hashToPoint_cn(i) for i in pk[j]])
    c[0] = c1
    j = 0
    while j < cols:
      tohash = pj
      for i in range(0, rows):
        L[i][j] = MiniNero.addKeys(MiniNero.scalarmultBase(s[i][j]), MiniNero.scalarmultKey(pk[i][j], c[j]))
        R[i][j] = MiniNero.addKeys(MiniNero.scalarmultKey(HP[i][j], s[i][j]), MiniNero.scalarmultKey(keyimage[i], c[j]))
        tohash = tohash + L[i][j] + R[i][j]
      j = j + 1
      c[j] = MiniNero.cn_fast_hash(tohash)

    rv = (c[0] == c[cols])
    print("c", c)
    print("sig verifies?", rv)
    
    return rv

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def VerSchnorrNonLinkable(P1, P2, L1, s1, s2):
    c2 = MiniNero.cn_fast_hash(L1)
    L2 = MiniNero.addKeys(MiniNero.scalarmultBase(s2), MiniNero.scalarmultKey(P2, c2))
    c1 = MiniNero.cn_fast_hash(L2)
    L1p = MiniNero.addKeys(MiniNero.scalarmultBase(s1), MiniNero.scalarmultKey(P1, c1))
    if L1 == L1p:
        print"Verified"
        return 0
    else:
        print "Didn't verify"
        print(L1,"!=",  L1p)
        return -1

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def genRangeProof(b, digits):
    bb = binary(b, digits) #gives binary form of bb in "digits" binary digits
    print("b, b in binary", b, bb)
    ai = [None] * len(bb)
    Ci = [None] * len(bb)
    CiH = [None] * len(bb) #this is like Ci - 2^i H
    a = MiniNero.intToHex(0)
    ii = [None] * len(bb)
    indi = [None] * len(bb)
    for i in range(0, len(bb)):
        ai[i] = PaperWallet.skGen()
        a = MiniNero.addScalars(a, ai[i]) #creating the total mask since you have to pass this to receiver...
        Ci[i] = MiniNero.addKeys(MiniNero.scalarmultBase(ai[i]), MiniNero.scalarmultKey(getHForCT(), MiniNero.intToHex(bb[i] * 2 ** i)))
        CiH[i] = MiniNero.subKeys(Ci[i], MiniNero.scalarmultKey(getHForCT(), MiniNero.intToHex(2 ** i)))
    L1, s2, s = AggregateSchnorr.GenASNL(ai, Ci, CiH, bb)
    return sumCi(Ci), Ci, L1, s2, s, a

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def sumCiExp(Cis, Exp):
    #Cis is a vector
    #Exp is a vector
    CSum = MiniNero.identity()
    for i in range(0, len(Cis)):
        CSum = MiniNero.addKeys(CSum, MiniNero.scalarmultKey(Cis[i], MiniNero.intToHex(10 ** Exp[i])))
    return CSum

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def keyImage(x, rows):
    HP = keyVector(rows)
    KeyImage = keyVector(rows)
    for i in range(0, rows):
      HP[i] = MiniNero.hashToPoint_cn(MiniNero.scalarmultBase(x[i]))
      KeyImage[i] = MiniNero.scalarmultKey(HP[i], x[i])
    return KeyImage

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def VerSchnorr(hash_prefix, pub, r, c):
    #hash_prefix = binascii.hexlify(prefix)
    check1 = MiniNero.toPoint(pub) 
    comm = MiniNero.addKeys(MiniNero.scalarmultKey(pub,c), MiniNero.scalarmultBase(r))
    c2 = MiniNero.cn_fast_hash(hash_prefix + pub + comm)
    print(MiniNero.sc_sub_keys(c, c2) == "0000000000000000000000000000000000000000000000000000000000000000")
    return (MiniNero.sc_sub_keys(c, c2) == "0000000000000000000000000000000000000000000000000000000000000000")

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def MLSAG_Gen(pk, xx, index ):
    rows = len(xx)
    cols = len(pk[0])
    print("Generating MG sig of size ", rows, "x", cols)
    c= [None] * cols
    alpha = skvGen(rows)
    I = keyImageV(xx)
    L = keyMatrix(rows, cols)
    R = keyMatrix(rows, cols)
    s = keyMatrix(rows, cols)
    m = ''.join(pk[0])
    for i in range(1, cols):
        m = m + ''.join(pk[i])
    L[index] = [MiniNero.scalarmultBase(aa) for aa in alpha] #L = aG
    Hi = hashKeyVector(pk[index])
    R[index] = [MiniNero.scalarmultKey(Hi[ii], alpha[ii]) for ii in range(0, rows)] #R = aI
    oldi = index
    i = (index + 1) % cols
    c[i] = MiniNero.cn_fast_hash(m+''.join(L[oldi]) + ''.join(R[oldi]))
    
    while i != index:
        s[i] = skvGen(rows)
        L[i] = [MiniNero.addKeys1(s[i][j], c[i], pk[i][j]) for j in range(0, rows)]

        Hi = hashKeyVector(pk[i])
        R[i] = [MiniNero.addKeys2( s[i][j], Hi[j], c[i], I[j]) for j in range(0, rows)]
        oldi = i
        i = (i + 1) % cols
        c[i] = MiniNero.cn_fast_hash(m+''.join(L[oldi]) + ''.join(R[oldi]))
    print("L", L)
    print("R", R)
    s[index] = [MiniNero.sc_mulsub_keys(alpha[j], c[index], xx[j]) for j in range(0, rows)] #alpha - c * x
    return I, c[0], s

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def ecdhDecode(masked, receiverSk):
    rv = ecdhTuple()
    #compute shared secret
    sharedSec1 = MiniNero.cn_fast_hash(MiniNero.scalarmultKey(masked.senderPk, receiverSk))
    sharedSec2 = MiniNero.cn_fast_hash(sharedSec1)
    #encode
    rv.mask = MiniNero.sc_sub_keys(masked.mask, sharedSec1)
    rv.amount = MiniNero.sc_sub_keys(masked.amount, sharedSec1)
    return rv

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def GenSchnorrNonLinkable(x, P1, P2, index):
    if index == 0:
        a = PaperWallet.skGen()
        L1 = MiniNero.scalarmultBase(a)
        s2 = PaperWallet.skGen()
        c2 = MiniNero.cn_fast_hash(L1)
        L2 = MiniNero.addKeys(MiniNero.scalarmultBase(s2), MiniNero.scalarmultKey(P2, c2))
        c1 = MiniNero.cn_fast_hash(L2)
        s1 = MiniNero.sc_mulsub_keys(a,  x, c1)
    if index == 1:
        a = PaperWallet.skGen()
        L2 = MiniNero.scalarmultBase(a)
        s1 = PaperWallet.skGen()
        c1 = MiniNero.cn_fast_hash(L2)
        L1 = MiniNero.addKeys(MiniNero.scalarmultBase(s1), MiniNero.scalarmultKey(P1, c1))
        c2 = MiniNero.cn_fast_hash(L1)
        s2 = MiniNero.sc_mulsub_keys(a,  x, c2)
    return L1, s1, s2,

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def ctskpkGen(amount):
    sk = ctkey()
    pk = ctkey()
    sk.dest, pk.dest = PaperWallet.skpkGen()
    sk.mask, pk.mask = PaperWallet.skpkGen()
    am = MiniNero.intToHex(amount)
    aH = MiniNero.scalarmultKey(getHForCT(), am)
    pk.mask = MiniNero.addKeys(pk.mask, aH)
    return sk, pk

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def getH2ForCT():
    A = MiniNero.publicFromInt(1)
    HPow2 = MiniNero.hashToPoint_ct(A)
    two = MiniNero.intToHex(2)
    H2 = [None] * ATOMS
    for i in range(0, ATOMS):
        #Translator.hexToCComma(HPow2) 
        H2[i] = HPow2
        HPow2 = MiniNero.scalarmultKey(HPow2, two)
    return H2

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def VerASNL(P1, P2, L1, s2, s):
    #Aggregate Schnorr Non-Linkable
    print("Verifying Aggregate Schnorr Non-linkable Ring Signature")
    n = len(P1)
    LHS = MiniNero.scalarmultBase(MiniNero.intToHex(0))
    RHS = MiniNero.scalarmultBase(s)
    for j in range(0, n):
        c2 = MiniNero.cn_fast_hash(L1[j])
        L2 = MiniNero.addKeys(MiniNero.scalarmultBase(s2[j]), MiniNero.scalarmultKey(P2[j], c2))
        LHS = MiniNero.addKeys(LHS, L1[j])
        c1 = MiniNero.cn_fast_hash(L2)
        RHS = MiniNero.addKeys(RHS, MiniNero.scalarmultKey(P1[j], c1))
    if LHS == RHS:
        print"Verified"
        return 0
    else:
        print "Didn't verify"
        print(LHS,"!=",  RHS)
        return -1

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def ecdhEncode(unmasked, receiverPk):    
    rv = ecdhTuple()
    #compute shared secret
    esk, rv.senderPk =  PaperWallet.skpkGen()
    sharedSec1 = MiniNero.cn_fast_hash(MiniNero.scalarmultKey(receiverPk, esk));
    sharedSec2 = MiniNero.cn_fast_hash(sharedSec1)
    #encode
    rv.mask = MiniNero.sc_add_keys(unmasked.mask, sharedSec1)
    rv.amount = MiniNero.sc_add_keys(unmasked.amount, sharedSec1)
    return rv

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def deterministicVK():
    while True:
        print("."),
        tmp = MiniNero.intToHex(rand.getrandbits(64 * 8))  # 8 bits to a byte ...
        sk = MiniNero.sc_reduce_key(MiniNero.cn_fast_hash(tmp))

        # s = "3c817618dcbfed122a64e592bb441d73300da9123686224a84e0eab1f075117e"; for testing
        # sk = MiniNero.sc_reduce_key(s)
        vk = MiniNero.getViewMM(sk)  # note this is the sc_reduced version..
        worked = 1
        try:
            MiniNero.toPoint(vk)
        except:
            worked = 0
            print("bad vk")
        if vk == MiniNero.sc_reduce_key(vk) and worked == 1:  # already reduced + vk on curve
            break

    print("found keys")
    print("secret spend key:", sk)
    print("secret view key:", vk)
    vk2 = MiniNero.cn_fast_hash(MiniNero.scalarmultKey(vk, 2))
    print("secret view key2:", vk2)
    vk3 = MiniNero.cn_fast_hash(MiniNero.scalarmultKey(vk, 3))
    print("secret view key3:", vk3)

    pk = MiniNero.publicFromSecret(sk)
    print("public spend key:", pk)
    pvk = MiniNero.publicFromSecret(vk)
    print("public view key:", pvk)
    pvk2 = MiniNero.publicFromSecret(vk2)
    print("public view key2:", pvk2)
    pvk3 = MiniNero.publicFromSecret(vk3)
    print("public view key3:", pvk3)

    addr = MiniNero.getAddrMM(sk)
    print("in future this will get all addresses")
    print("receiving address", addr)
    wl = mnemonic.mn_encode(s)
    cks = MiniNero.electrumChecksum(wl)
    print(cks)
    print("mnemonic:", wl + " " + cks)

# 需要导入模块: import MiniNero [as 别名]
# 或者: from MiniNero import scalarmultKey [as 别名]
def LLW_Ver(pk, keyimage, c1, s):
    n= len(pk) #ok
    print("verifying LLW sig of length", n)
    L = [None]*n
    R = [None]*n
    c= [None]*(n+1)
    pj = ''.join(pk)
    HP = [MiniNero.hashToPoint_ct(i) for i in pk]
    c[0] = c1
    j = 0
    while j < n:
        L[j] = MiniNero.addKeys(MiniNero.scalarmultBase(s[j]), MiniNero.scalarmultKey(pk[j], c[j]))
        R[j] = MiniNero.addKeys(MiniNero.scalarmultKey(HP[j], s[j]), MiniNero.scalarmultKey(keyimage, c[j]))
        cj = j + 1
        c[cj] = MiniNero.cn_fast_hash(pj + L[j] + R[j])
        j = cj
    rv = (c[0] == c[n])
    print("sig verifies complete", rv)
    print("c", c)
    print("L", L)
    print("R", R)
    return rv