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/* Copyright (c) 2018, 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_CRYPTO_TEST_WYCHEPROOF_UTIL_H
#define OPENSSL_HEADER_CRYPTO_TEST_WYCHEPROOF_UTIL_H
#include <openssl/base.h>
#include <string>
#include <vector>
// This header contains convenience functions for Wycheproof tests.
class FileTest;
enum class WycheproofRawResult {
kValid,
kInvalid,
kAcceptable,
};
struct WycheproofResult {
WycheproofRawResult raw_result;
std::vector<std::string> flags;
// IsValid returns true if the Wycheproof test should be considered valid. A
// test result of "acceptable" is treated as valid if all flags are included
// in |acceptable_flags| and invalid otherwise.
bool IsValid(const std::vector<std::string> &acceptable_flags = {}) const;
};
// GetWycheproofResult sets |*out| to the parsed "result" and "flags" keys of |t|.
bool GetWycheproofResult(FileTest *t, WycheproofResult *out);
// GetWycheproofDigest returns a digest function using the Wycheproof name, or
// nullptr on error.
const EVP_MD *GetWycheproofDigest(FileTest *t, const char *key,
bool instruction);
// GetWycheproofCurve returns a curve using the Wycheproof name, or nullptr on
// error.
const EC_GROUP *GetWycheproofCurve(FileTest *t, const char *key,
bool instruction);
// GetWycheproofBIGNUM returns a BIGNUM in the Wycheproof format, or nullptr on
// error.
bssl::UniquePtr<BIGNUM> GetWycheproofBIGNUM(FileTest *t, const char *key,
bool instruction);
#endif // OPENSSL_HEADER_CRYPTO_TEST_WYCHEPROOF_UTIL_H