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py3port: whitespace fixes

MMGen 6 years ago
parent
commit
f58b40c42c
1 changed files with 43 additions and 43 deletions
  1. 43 43
      mmgen/ed25519ll_djbec.py

+ 43 - 43
mmgen/ed25519ll_djbec.py

@@ -21,65 +21,65 @@
 q = 2**255 - 19
 
 def expmod(b,e,m):
-    if e == 0: return 1
-    t = expmod(b,e//2,m)**2 % m
-    if e & 1: t = (t*b) % m
-    return t
+	if e == 0: return 1
+	t = expmod(b,e//2,m)**2 % m
+	if e & 1: t = (t*b) % m
+	return t
 
 # Can probably get some extra speedup here by replacing this with
 # an extended-euclidean, but performance seems OK without that
 def inv(x):
-    return expmod(x,q-2,q)
+	return expmod(x,q-2,q)
 
 # Faster (!) version based on:
 # http://www.hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
 
 def xpt_add(pt1, pt2):
-    (X1, Y1, Z1, T1) = pt1
-    (X2, Y2, Z2, T2) = pt2
-    A = ((Y1-X1)*(Y2+X2)) % q
-    B = ((Y1+X1)*(Y2-X2)) % q
-    C = (Z1*2*T2) % q
-    D = (T1*2*Z2) % q
-    E = (D+C) % q
-    F = (B-A) % q
-    G = (B+A) % q
-    H = (D-C) % q
-    X3 = (E*F) % q
-    Y3 = (G*H) % q
-    Z3 = (F*G) % q
-    T3 = (E*H) % q
-    return (X3, Y3, Z3, T3)
+	(X1, Y1, Z1, T1) = pt1
+	(X2, Y2, Z2, T2) = pt2
+	A = ((Y1-X1)*(Y2+X2)) % q
+	B = ((Y1+X1)*(Y2-X2)) % q
+	C = (Z1*2*T2) % q
+	D = (T1*2*Z2) % q
+	E = (D+C) % q
+	F = (B-A) % q
+	G = (B+A) % q
+	H = (D-C) % q
+	X3 = (E*F) % q
+	Y3 = (G*H) % q
+	Z3 = (F*G) % q
+	T3 = (E*H) % q
+	return (X3, Y3, Z3, T3)
 
 def xpt_double (pt):
-    (X1, Y1, Z1, _) = pt
-    A = (X1*X1)
-    B = (Y1*Y1)
-    C = (2*Z1*Z1)
-    D = (-A) % q
-    J = (X1+Y1) % q
-    E = (J*J-A-B) % q
-    G = (D+B) % q
-    F = (G-C) % q
-    H = (D-B) % q
-    X3 = (E*F) % q
-    Y3 = (G*H) % q
-    Z3 = (F*G) % q
-    T3 = (E*H) % q
-    return (X3, Y3, Z3, T3)
+	(X1, Y1, Z1, _) = pt
+	A = (X1*X1)
+	B = (Y1*Y1)
+	C = (2*Z1*Z1)
+	D = (-A) % q
+	J = (X1+Y1) % q
+	E = (J*J-A-B) % q
+	G = (D+B) % q
+	F = (G-C) % q
+	H = (D-B) % q
+	X3 = (E*F) % q
+	Y3 = (G*H) % q
+	Z3 = (F*G) % q
+	T3 = (E*H) % q
+	return (X3, Y3, Z3, T3)
 
 def pt_xform (pt):
-    (x, y) = pt
-    return (x, y, 1, (x*y)%q)
+	(x, y) = pt
+	return (x, y, 1, (x*y)%q)
 
 def pt_unxform (pt):
-    (x, y, z, _) = pt
-    return ((x*inv(z))%q, (y*inv(z))%q)
+	(x, y, z, _) = pt
+	return ((x*inv(z))%q, (y*inv(z))%q)
 
 def xpt_mult (pt, n):
-    if n==0: return pt_xform((0,1))
-    _ = xpt_double(xpt_mult(pt, n>>1))
-    return xpt_add(_, pt) if n&1 else _
+	if n==0: return pt_xform((0,1))
+	_ = xpt_double(xpt_mult(pt, n>>1))
+	return xpt_add(_, pt) if n&1 else _
 
 def scalarmult(pt, e):
-    return pt_unxform(xpt_mult(pt_xform(pt), e))
+	return pt_unxform(xpt_mult(pt_xform(pt), e))