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src/secp256k1/include/secp256k1_multiset.h
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| /********************************************************************** | |||||
| * Copyright (c) 2017 Tomas van der Wansem * | |||||
| * Distributed under the MIT software license, see the accompanying * | |||||
| * file COPYING or http://www.opensource.org/licenses/mit-license.php.* | |||||
| **********************************************************************/ | |||||
| #ifndef _SECP256K1_MULTISET__ | |||||
| # define _SECP256K1_MULTISET__ | |||||
| # include "secp256k1.h" | |||||
| # ifdef __cplusplus | |||||
| extern "C" { | |||||
| # endif | |||||
| /** Opaque multiset; this is actually a group element **/ | |||||
| typedef struct { | |||||
| unsigned char d[96]; | |||||
| } secp256k1_multiset; | |||||
| /** Initialize a multiset | |||||
| * The resulting multiset the multiset for no data elements | |||||
| * | |||||
| * Returns: 1: success | |||||
| * 0: invalid parameter | |||||
| * Args: ctx: pointer to a context object (cannot be NULL) | |||||
| * Out: multiset: the resulting multiset | |||||
| */ | |||||
| SECP256K1_API int secp256k1_multiset_init( | |||||
| const secp256k1_context* ctx, | |||||
| secp256k1_multiset *multiset | |||||
| ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2); | |||||
| /** Adds an element to a multiset from single data element | |||||
| * | |||||
| * Returns: 1: success | |||||
| * 0: invalid parameter | |||||
| * Args: ctx: pointer to a context object (cannot be NULL) | |||||
| * Out: multiset: the multiset to update | |||||
| * In: input: the data to add | |||||
| * inputLen: the size of the data to add | |||||
| */ | |||||
| SECP256K1_API int secp256k1_multiset_add( | |||||
| const secp256k1_context* ctx, | |||||
| secp256k1_multiset *multiset, | |||||
| const unsigned char *input, | |||||
| size_t inputLen | |||||
| ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); | |||||
| /** Removes an element from a multiset | |||||
| * | |||||
| * Returns: 1: success | |||||
| * 0: invalid parameter | |||||
| * Args: ctx: pointer to a context object (cannot be NULL) | |||||
| * Out: multiset: the multiset to update | |||||
| * In: input: the data to remove | |||||
| * inputLen: the size of the data to remove | |||||
| */ | |||||
| SECP256K1_API int secp256k1_multiset_remove( | |||||
| const secp256k1_context* ctx, | |||||
| secp256k1_multiset *multiset, | |||||
| const unsigned char *input, | |||||
| size_t inputLen | |||||
| ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); | |||||
| /** Combines two multisets | |||||
| * | |||||
| * Returns: 1: success | |||||
| * 0: invalid parameter | |||||
| * Args: ctx: pointer to a context object (cannot be NULL) | |||||
| * In/Out: multiset: the multiset to which the input must be added | |||||
| * In: input: the multiset to add | |||||
| */ | |||||
| SECP256K1_API int secp256k1_multiset_combine( | |||||
| const secp256k1_context* ctx, | |||||
| secp256k1_multiset *multiset, | |||||
| const secp256k1_multiset *input | |||||
| ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); | |||||
| /** Converts a multiset to a hash | |||||
| * | |||||
| * Returns: 1: success | |||||
| * 0: invalid parameter | |||||
| * Args: ctx: pointer to a context object (cannot be NULL) | |||||
| * Out: hash: the resulting 32-byte hash | |||||
| * In: multiset: the multiset to hash | |||||
| */ | |||||
| SECP256K1_API int secp256k1_multiset_finalize( | |||||
| const secp256k1_context* ctx, | |||||
| unsigned char *resultHash, | |||||
| const secp256k1_multiset *multiset | |||||
| ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3); | |||||
| # ifdef __cplusplus | |||||
| } | |||||
| # endif | |||||
| #endif | |||||