def secp256k1():
"""
create the secp256k1 curve
"""
GFp = FiniteField(2**256 - 2**32 - 977)
ec = WeierstrassCurve(GFp, 0, 7)
generator = ec.point(
0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798,
0x483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8)
grouporder = 2**256 - 432420386565659656852420866394968145599
return ECDSA(ec, generator, grouporder)
def test4096():
"""
a 4096 bit curve
"""
GFp = FiniteField(2**4096 - 2**32 - 2537)
ec = WeierstrassCurve(GFp, 0, 7)
return ECDSA(
ec,
ec.point(
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,
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
), 2**4096 -
15787038050835261139727473240632701678801359219990631510877267829169330959162948488165650753848869590983746944212813863965377670228845736254534787510912418420652893326068746642904667264372558891710237797366766181971757342659203537793080285150152751005384967243420022238322992906760095995836462891911958739812874169586869753591456898694827154063269411873501193289294399280654401837948800093834381560396905039959407190649328769848101131114406715808686253866533861144467946024203112376581408329288635232043317889422050242324593056324526742572727503289941755773038964720862007376605112301728375457511119559511362294902237
)
def test512():
"""
a 512 bit curve
TODO: fix this curve, something wrong here.
"""
GFp = FiniteField(2**512 - 2**32 - 2021)
ec = WeierstrassCurve(GFp, 0, 7)
return ECDSA(
ec,
ec.point(
0x8e9ff6f105f3eb636bf3860d6e1ca2f026b1475eb466468ab78cd6ad85e01a19297992153e01e15dddf6dce52e1f606ff43a84a9ccebe62e2891fc24ff3cb606,
0xc2896e5170498003c41fc1da434cf269a9376d430cf23a8310e5f3d642c7c625821255171276751de0c3f460e457a7b10e46644a05f47b2bee71eb7a1ab9b9f4
), 2**512 -
6895582808925642222872035181967446310655415402756856680443584449013251397012
)
def secp521r1():
"""
create the secp521r1 curve
"""
GFp = FiniteField(2**521 - 1)
ec = WeierstrassCurve(
GFp, 2**521 - 4,
0x0051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00
)
return ECDSA(
ec,
ec.point(
0x00C6858E06B70404E9CD9E3ECB662395B4429C648139053FB521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B3C1856A429BF97E7E31C2E5BD66,
0x011839296A789A3BC0045C8A5FB42C7D1BD998F54449579B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C7086A272C24088BE94769FD16650
), 2**521 -
657877501894328237357444332315020117536923257219387276263472201219398408051703
)
def __init__(self, ec, G, n):
self.ec = ec
self.G = G
self.GFn = FiniteField(n)
