111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
/*
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* Copyright 2023 The Tongsuo Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://github.com/Tongsuo-Project/Tongsuo/blob/master/LICENSE.txt
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*/
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#ifndef HEADER_BULLET_PROOF_R1CS_LOCAL_H
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# define HEADER_BULLET_PROOF_R1CS_LOCAL_H
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# include <openssl/opensslconf.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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# include <openssl/bn.h>
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# include <openssl/ec.h>
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# include <openssl/safestack.h>
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# include <openssl/zkp_transcript.h>
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# include <openssl/bulletproofs.h>
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# include "internal/refcount.h"
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# include "bulletproofs.h"
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# include "inner_product.h"
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STACK_OF(BP_R1CS_VARIABLE);
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STACK_OF(BP_R1CS_LINEAR_COMBINATION_ITEM);
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STACK_OF(BP_R1CS_LINEAR_COMBINATION);
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typedef enum bp_r1cs_variable_type {
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BP_R1CS_VARIABLE_COMMITTED,
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BP_R1CS_VARIABLE_MULTIPLIER_LEFT,
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BP_R1CS_VARIABLE_MULTIPLIER_RIGHT,
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BP_R1CS_VARIABLE_MULTIPLIER_OUTPUT,
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BP_R1CS_VARIABLE_ONE,
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} BP_R1CS_VARIABLE_TYPE;
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typedef enum bp_r1cs_lc_type {
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BP_R1CS_LC_TYPE_UNKOWN,
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BP_R1CS_LC_TYPE_PROVE,
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BP_R1CS_LC_TYPE_VERIFY,
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} BP_R1CS_LC_TYPE;
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struct bp_r1cs_variable_st {
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BP_R1CS_VARIABLE_TYPE type;
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uint64_t value;
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CRYPTO_RWLOCK *lock;
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CRYPTO_REF_COUNT references;
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};
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struct bp_r1cs_linear_combination_item_st {
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BP_R1CS_VARIABLE *variable;
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BIGNUM *scalar;
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};
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struct bp_r1cs_linear_combination_st {
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BP_R1CS_LC_TYPE type;
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STACK_OF(BP_R1CS_LINEAR_COMBINATION_ITEM) *items;
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CRYPTO_RWLOCK *lock;
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CRYPTO_REF_COUNT references;
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};
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struct bp_r1cs_ctx_st {
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ZKP_TRANSCRIPT *transcript;
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BP_PUB_PARAM *pp;
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BP_WITNESS *witness;
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STACK_OF(BP_R1CS_LINEAR_COMBINATION) *constraints;
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STACK_OF(BIGNUM) *aL;
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STACK_OF(BIGNUM) *aR;
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STACK_OF(BIGNUM) *aO;
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int vars_num;
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};
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struct bp_r1cs_proof_st {
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EC_POINT *AI1;
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EC_POINT *AO1;
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EC_POINT *S1;
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EC_POINT *AI2;
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EC_POINT *AO2;
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EC_POINT *S2;
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EC_POINT *T1;
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EC_POINT *T3;
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EC_POINT *T4;
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EC_POINT *T5;
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EC_POINT *T6;
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BIGNUM *taux;
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BIGNUM *mu;
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BIGNUM *tx;
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bp_inner_product_proof_t *ip_proof;
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CRYPTO_RWLOCK *lock;
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CRYPTO_REF_COUNT references;
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};
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BP_R1CS_VARIABLE *BP_R1CS_VARIABLE_new(BP_R1CS_VARIABLE_TYPE type, uint64_t value);
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BP_R1CS_VARIABLE *BP_R1CS_VARIABLE_dup(const BP_R1CS_VARIABLE *var);
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void BP_R1CS_VARIABLE_free(BP_R1CS_VARIABLE *var);
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BP_R1CS_LC_ITEM *BP_R1CS_LC_ITEM_new(BP_R1CS_VARIABLE *var, const BIGNUM *scalar);
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BP_R1CS_LC_ITEM *BP_R1CS_LC_ITEM_dup(BP_R1CS_LC_ITEM *item);
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void BP_R1CS_LC_ITEM_free(BP_R1CS_LC_ITEM *item);
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BP_R1CS_LINEAR_COMBINATION *BP_R1CS_LINEAR_COMBINATION_new_from_param(BP_R1CS_VARIABLE *var,
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const BIGNUM *scalar);
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# ifdef __cplusplus
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}
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# endif
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#endif
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