diff options
Diffstat (limited to 'pyecsca/ec/efd/montgom/coordinates')
| -rw-r--r-- | pyecsca/ec/efd/montgom/coordinates | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/pyecsca/ec/efd/montgom/coordinates b/pyecsca/ec/efd/montgom/coordinates deleted file mode 100644 index d3b7f4e..0000000 --- a/pyecsca/ec/efd/montgom/coordinates +++ /dev/null @@ -1,23 +0,0 @@ -name Montgomery curves -parameter a -parameter b -coordinate x -coordinate y -satisfying b*y^2 == x^3 + a*x^2 + x -ysquared (x^3+a*x^2+x)/b -addition x = b*(y2-y1)^2/(x2-x1)^2-a-x1-x2 -addition y = (2*x1+x2+a)*(y2-y1)/(x2-x1)-b*(y2-y1)^3/(x2-x1)^3-y1 -doubling x = b*(3*x1^2+2*a*x1+1)^2/(2*b*y1)^2-a-x1-x1 -doubling y = (2*x1+x1+a)*(3*x1^2+2*a*x1+1)/(2*b*y1)-b*(3*x1^2+2*a*x1+1)^3/(2*b*y1)^3-y1 -negation x = x1 -negation y = -y1 -toweierstrass weierx = x -toweierstrass weiery = y -a0 = b -a1 = 0 -a2 = a -a3 = 0 -a4 = 1 -a6 = 0 -fromweierstrass x = weierx -fromweierstrass y = weiery |