diff options
Diffstat (limited to 'pyecsca/ec/efd/shortw/jacobian-0/addition/madd-2007-bl')
| -rw-r--r-- | pyecsca/ec/efd/shortw/jacobian-0/addition/madd-2007-bl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/pyecsca/ec/efd/shortw/jacobian-0/addition/madd-2007-bl b/pyecsca/ec/efd/shortw/jacobian-0/addition/madd-2007-bl new file mode 100644 index 0000000..92a97af --- /dev/null +++ b/pyecsca/ec/efd/shortw/jacobian-0/addition/madd-2007-bl @@ -0,0 +1,14 @@ +source 2007 Bernstein--Lange +assume Z2=1 +compute Z1Z1 = Z1^2 +compute U2 = X2 Z1Z1 +compute S2 = Y2 Z1 Z1Z1 +compute H = U2-X1 +compute HH = H^2 +compute I = 4 HH +compute J = H I +compute r = 2 (S2-Y1) +compute V = X1 I +compute X3 = r^2-J-2 V +compute Y3 = r (V-X3)-2 Y1 J +compute Z3 = (Z1+H)^2-Z1Z1-HH |