secp160r2
160-bit prime field Weierstrass curve.A randomly generated curve. SEC2v1 states 'E was chosen verifiably at random as specified in ANSI X9.62 1 from the seed'.
Parameters
Characteristics
- OID:
1.3.132.0.30 - Seed:
B99B99B099B323E02709A4D696E6768756151751 - j-invariant:
1027058635636405814575941827615445452503699747171 - Trace of Frobenius:
-250855509121001538581751 - Discriminant:
1237703873357928705511536972446330043119280998656 - Anomalous:
false - Supersingular:
false - Embedding degree:
730750818665451459101842541785896070326588068021 - CM-discriminant:
5846006549323611672814739581720641199608088798915 - Conductor:
1
SAGE
p = 0xfffffffffffffffffffffffffffffffeffffac73K = GF(p)a = K(0xfffffffffffffffffffffffffffffffeffffac70)b = K(0xb4e134d3fb59eb8bab57274904664d5af50388ba)E = EllipticCurve(K, (a, b))G = E(0x52dcb034293a117e1f4ff11b30f7199d3144ce6d, 0xfeaffef2e331f296e071fa0df9982cfea7d43f2e)E.set_order(0x0100000000000000000000351ee786a818f3a1a16b * 0x01)
PARI/GP
p = 0xfffffffffffffffffffffffffffffffeffffac73a = Mod(0xfffffffffffffffffffffffffffffffeffffac70, p)b = Mod(0xb4e134d3fb59eb8bab57274904664d5af50388ba, p)E = ellinit([a, b])E[16][1] = 0x0100000000000000000000351ee786a818f3a1a16b * 0x01G = [Mod(0x52dcb034293a117e1f4ff11b30f7199d3144ce6d, p), Mod(0xfeaffef2e331f296e071fa0df9982cfea7d43f2e, p)]
JSON
{"name": "secp160r2","desc": "A randomly generated curve. [SEC2v1](https://www.secg.org/SEC2-Ver-1.0.pdf) states 'E was chosen verifiably at random as specified in ANSI X9.62 [1] from the seed'.","oid": "1.3.132.0.30","form": "Weierstrass","field": {"type": "Prime","p": "0xfffffffffffffffffffffffffffffffeffffac73","bits": 160},"params": {"a": {"raw": "0xfffffffffffffffffffffffffffffffeffffac70"},"b": {"raw": "0xb4e134d3fb59eb8bab57274904664d5af50388ba"}},"generator": {"x": {"raw": "0x52dcb034293a117e1f4ff11b30f7199d3144ce6d"},"y": {"raw": "0xfeaffef2e331f296e071fa0df9982cfea7d43f2e"}},"order": "0x0100000000000000000000351ee786a818f3a1a16b","cofactor": "0x01","aliases": ["x963/ansip160r2"],"characteristics": {"seed": "B99B99B099B323E02709A4D696E6768756151751","j_invariant": "1027058635636405814575941827615445452503699747171","anomalous": false,"cm_disc": "5846006549323611672814739581720641199608088798915","conductor": "1","discriminant": "1237703873357928705511536972446330043119280998656","embedding_degree": "730750818665451459101842541785896070326588068021","torsion_degrees": [{"full": 3,"least": 3,"r": 2},{"full": 4,"least": 4,"r": 3},{"full": 3,"least": 3,"r": 5},{"full": 4,"least": 4,"r": 7},{"full": 20,"least": 20,"r": 11}],"supersingular": false,"trace_of_frobenius": "-250855509121001538581751"}}