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ffacf61e8a
* backend -> math * towers -> extension fields * move ISA and compiler specific code out of math/ * fix export
20 lines
943 B
Nim
20 lines
943 B
Nim
# Copyright (c) 2020-Present Mamy André-Ratsimbazafy
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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../config/curves,
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../io/[io_bigints, io_fields],
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../arithmetic/finite_fields
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const
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# with e = 2adicity
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# p == s * 2^e + 1
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# root_of_unity = smallest_quadratic_nonresidue^s
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# exponent = (p-1-2^e)/2^e / 2
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Bandersnatch_TonelliShanks_exponent* = BigInt[222].fromHex"0x39f6d3a994cebea4199cec0404d0ec02a9ded2017fff2dff7fffffff"
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Bandersnatch_TonelliShanks_twoAdicity* = 32
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Bandersnatch_TonelliShanks_root_of_unity* = Fp[Bandersnatch].fromHex"0x212d79e5b416b6f0fd56dc8d168d6c0c4024ff270b3e0941b788f500b912f1f"
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