github.com/ethereumproject/go-ethereum@v5.5.2+incompatible/crypto/secp256k1/libsecp256k1/src/modules/schnorr/schnorr.h (about)

     1  /***********************************************************************
     2   * Copyright (c) 2014-2015 Pieter Wuille                               *
     3   * Distributed under the MIT software license, see the accompanying    *
     4   * file COPYING or http://www.opensource.org/licenses/mit-license.php. *
     5   ***********************************************************************/
     6  
     7  #ifndef _SECP256K1_MODULE_SCHNORR_H_
     8  #define _SECP256K1_MODULE_SCHNORR_H_
     9  
    10  #include "scalar.h"
    11  #include "group.h"
    12  
    13  typedef void (*secp256k1_schnorr_msghash)(unsigned char *h32, const unsigned char *r32, const unsigned char *msg32);
    14  
    15  static int secp256k1_schnorr_sig_sign(const secp256k1_ecmult_gen_context* ctx, unsigned char *sig64, const secp256k1_scalar *key, const secp256k1_scalar *nonce, const secp256k1_ge *pubnonce, secp256k1_schnorr_msghash hash, const unsigned char *msg32);
    16  static int secp256k1_schnorr_sig_verify(const secp256k1_ecmult_context* ctx, const unsigned char *sig64, const secp256k1_ge *pubkey, secp256k1_schnorr_msghash hash, const unsigned char *msg32);
    17  static int secp256k1_schnorr_sig_recover(const secp256k1_ecmult_context* ctx, const unsigned char *sig64, secp256k1_ge *pubkey, secp256k1_schnorr_msghash hash, const unsigned char *msg32);
    18  static int secp256k1_schnorr_sig_combine(unsigned char *sig64, int n, const unsigned char * const *sig64ins);
    19  
    20  #endif