Hush Full Node software. We were censored from Github, this is where all development happens now.
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47 lines
1.6 KiB
47 lines
1.6 KiB
/**********************************************************************
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* Copyright (c) 2013, 2014 Pieter Wuille *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
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**********************************************************************/
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#ifndef _SECP256K1_FIELD_REPR_
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#define _SECP256K1_FIELD_REPR_
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#include <stdint.h>
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typedef struct {
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/* X = sum(i=0..9, elem[i]*2^26) mod n */
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uint32_t n[10];
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#ifdef VERIFY
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int magnitude;
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int normalized;
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#endif
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} secp256k1_fe_t;
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/* Unpacks a constant into a overlapping multi-limbed FE element. */
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#define SECP256K1_FE_CONST_INNER(d7, d6, d5, d4, d3, d2, d1, d0) { \
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(d0) & 0x3FFFFFFUL, \
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((d0) >> 26) | ((d1) & 0xFFFFFUL) << 6, \
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((d1) >> 20) | ((d2) & 0x3FFFUL) << 12, \
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((d2) >> 14) | ((d3) & 0xFFUL) << 18, \
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((d3) >> 8) | ((d4) & 0x3) << 24, \
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((d4) >> 2) & 0x3FFFFFFUL, \
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((d4) >> 28) | ((d5) & 0x3FFFFFUL) << 4, \
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((d5) >> 22) | ((d6) & 0xFFFF) << 10, \
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((d6) >> 16) | ((d7) & 0x3FF) << 16, \
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((d7) >> 10) \
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}
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#ifdef VERIFY
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#define SECP256K1_FE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {SECP256K1_FE_CONST_INNER((d7), (d6), (d5), (d4), (d3), (d2), (d1), (d0)), 1, 1}
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#else
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#define SECP256K1_FE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {SECP256K1_FE_CONST_INNER((d7), (d6), (d5), (d4), (d3), (d2), (d1), (d0))}
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#endif
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typedef struct {
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uint32_t n[8];
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} secp256k1_fe_storage_t;
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#define SECP256K1_FE_STORAGE_CONST(d7, d6, d5, d4, d3, d2, d1, d0) {{ (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }}
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#endif
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