Research Article
Efficient Isogeny Computations on Twisted Edwards Curves
Algorithm 2
Constructing 4-isogeny on Edwards curves.
Require: 4-torsion point and curve point on | Ensure: Image point on and curve coefficients of the image curve where | 1: // | 2: // | 3: // | 4: // | 5: // | 6: // | 7: // | 8: // | 9: // | 10: // | 11: // | 12: // | 13: // | 14: // | 15: // | 16: // | 17: // | 18: // | 19: // | 20: // | 21: // | 22: // | 23: // | 24: // | 25: return |
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