20 lines
1.0 KiB
C
20 lines
1.0 KiB
C
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/**********************************************************************
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* Copyright (c) 2016 Andrew Poelstra *
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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_SURJECTION_H_
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#define _SECP256K1_SURJECTION_H_
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#include "group.h"
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#include "scalar.h"
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SECP256K1_INLINE static int secp256k1_surjection_genmessage(unsigned char *msg32, secp256k1_ge *ephemeral_input_tags, size_t n_input_tags, secp256k1_ge *ephemeral_output_tag);
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SECP256K1_INLINE static int secp256k1_surjection_genrand(secp256k1_scalar *s, size_t ns, const secp256k1_scalar *blinding_key);
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SECP256K1_INLINE static int secp256k1_surjection_compute_public_keys(secp256k1_gej *pubkeys, size_t n_pubkeys, const secp256k1_ge *input_tags, size_t n_input_tags, const unsigned char *used_tags, const secp256k1_ge *output_tag, size_t input_index, size_t *ring_input_index);
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#endif
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