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/* Copyright (c) 2020, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_DSA_INTERNAL_H
#define OPENSSL_HEADER_DSA_INTERNAL_H
#include <openssl/dsa.h>
#include <openssl/thread.h>
#include "../internal.h"
#if defined(__cplusplus)
extern "C" {
#endif
struct dsa_st {
BIGNUM *p;
BIGNUM *q;
BIGNUM *g;
BIGNUM *pub_key;
BIGNUM *priv_key;
// Normally used to cache montgomery values
CRYPTO_MUTEX method_mont_lock;
BN_MONT_CTX *method_mont_p;
BN_MONT_CTX *method_mont_q;
CRYPTO_refcount_t references;
CRYPTO_EX_DATA ex_data;
};
// dsa_check_key performs cheap self-checks on |dsa|, and ensures it is within
// DoS bounds. It returns one on success and zero on error.
int dsa_check_key(const DSA *dsa);
#if defined(__cplusplus)
} // extern C
#endif
#endif // OPENSSL_HEADER_DSA_INTERNAL_H