35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
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/***********************************************************************
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* Copyright (c) 2021 Jonas Nick *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or https://www.opensource.org/licenses/mit-license.php.*
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***********************************************************************/
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#ifndef SECP256K1_MODULE_MUSIG_KEYAGG_H
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#define SECP256K1_MODULE_MUSIG_KEYAGG_H
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#include "../../../include/secp256k1.h"
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#include "../../../include/secp256k1_musig.h"
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#include "../../field.h"
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#include "../../group.h"
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#include "../../scalar.h"
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typedef struct {
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secp256k1_ge pk;
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secp256k1_fe second_pk_x;
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unsigned char pk_hash[32];
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secp256k1_scalar tweak;
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int internal_key_parity;
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} secp256k1_keyagg_cache_internal;
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/* Requires that the saved point is not infinity */
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static void secp256k1_point_save(unsigned char *data, secp256k1_ge *ge);
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static void secp256k1_point_load(secp256k1_ge *ge, const unsigned char *data);
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static int secp256k1_keyagg_cache_load(const secp256k1_context* ctx, secp256k1_keyagg_cache_internal *cache_i, const secp256k1_musig_keyagg_cache *cache);
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static void secp256k1_musig_keyaggcoef(secp256k1_scalar *r, const secp256k1_keyagg_cache_internal *cache_i, secp256k1_fe *x);
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#endif
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