65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
/*
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* Copyright (c) 2012-2020 MIRACL UK Ltd.
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*
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* This file is part of MIRACL Core
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* (see https://github.com/miracl/core).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "arch.h"
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#include "fp_F25519.h"
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namespace F25519 {
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/* Curve 25519 */
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#if CHUNK==16
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using namespace B256_13;
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// Base Bits= 13
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const BIG Modulus= {0x1FED,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0x1FFF,0xFF};
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const BIG ROI= {0xB0,0x1075,0x9D2,0x1C36,0xC4E,0x123C,0x14BF,0xD5,0x318,0x197A,0x15E9,0x1BF7,0x993,0x680,0xCAD,0x1BE1,0xFC1,0x402,0xC9,0x57};
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const BIG R2modp= {0x400,0x2D,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0};
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const chunk MConst= 0x13;
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#endif
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#if CHUNK==32
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using namespace B256_29;
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// Base Bits= 29
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const BIG Modulus= {0x1FFFFFED,0x1FFFFFFF,0x1FFFFFFF,0x1FFFFFFF,0x1FFFFFFF,0x1FFFFFFF,0x1FFFFFFF,0x1FFFFFFF,0x7FFFFF};
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const BIG ROI= {0xA0EA0B0,0x770D93A,0xBF91E31,0x6300D5A,0x1D7A72F4,0x4C9EFD,0x1C2CAD34,0x1009F83B,0x2B8324};
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const BIG R2modp= {0x169000,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0};
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const chunk MConst= 0x13;
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#endif
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#if CHUNK==64
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using namespace B256_56;
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// Base Bits= 56
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const BIG Modulus= {0xFFFFFFFFFFFFEDL,0xFFFFFFFFFFFFFFL,0xFFFFFFFFFFFFFFL,0xFFFFFFFFFFFFFFL,0x7FFFFFFFL};
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const BIG ROI= {0xEE1B274A0EA0B0L,0x1806AD2FE478C4L,0x993DFBD7A72F43L,0x4FC1DF0B2B4D00L,0x2B832480L};
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const BIG R2modp= {0xA4000000000000L,0x5L,0x0L,0x0L,0x0L};
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const chunk MConst= 0x13L;
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#endif
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}
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