/*
 * Copyright 2013 The Android Open Source Project
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 * modification, are permitted provided that the following conditions are met:
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#ifndef CONSTRAINEDCRYPTO_P256_ECDSA_H_
#define CONSTRAINEDCRYPTO_P256_ECDSA_H_

// Using current directory as relative include path here since
// this code typically gets lifted into a variety of build systems
// and directory structures.
#include "p256.h"

#ifdef __cplusplus
extern "C" {
#endif

// Returns 0 if {r,s} is not a signature on message for
// public key {key_x,key_y}.
//
// Note: message is a p256_int.
// Convert from a binary string using p256_from_bin().
int p256_ecdsa_verify(const p256_int* key_x,
                      const p256_int* key_y,
                      const p256_int* message,
                      const p256_int* r, const p256_int* s);

#ifdef __cplusplus
}
#endif

#endif  // CONSTRAINEDCRYPTO_P256_ECDSA_H_