ecdsa.h

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the Apache 2.0 License.
#pragma once
 
#include "ccf/crypto/curve.h"
 
#include <span>
#include <vector>
 
namespace ccf::crypto
{
  std::vector<uint8_t> ecdsa_sig_from_r_s(
    const uint8_t* r,
    size_t r_size,
    const uint8_t* s,
    size_t s_size,
    bool big_endian = true);
 
  std::vector<uint8_t> ecdsa_sig_p1363_to_der(
    std::span<const uint8_t> signature);
 
  std::vector<uint8_t> ecdsa_sig_der_to_p1363(
    const std::vector<uint8_t>& signature, CurveID curveId);
}