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/* Copyright (c) 2014, 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_H
#define OPENSSL_HEADER_CRYPTO_H
#include <openssl/base.h>
#include <openssl/sha.h>
// Upstream OpenSSL defines |OPENSSL_malloc|, etc., in crypto.h rather than
// mem.h.
#include <openssl/mem.h>
// Upstream OpenSSL defines |CRYPTO_LOCK|, etc., in crypto.h rather than
// thread.h.
#include <openssl/thread.h>
#if defined(__cplusplus)
extern "C" {
#endif
// crypto.h contains functions for initializing the crypto library.
// CRYPTO_library_init initializes the crypto library. It must be called if the
// library is built with BORINGSSL_NO_STATIC_INITIALIZER. Otherwise, it does
// nothing and a static initializer is used instead. It is safe to call this
// function multiple times and concurrently from multiple threads.
//
// On some ARM configurations, this function may require filesystem access and
// should be called before entering a sandbox.
OPENSSL_EXPORT void CRYPTO_library_init(void);
// CRYPTO_is_confidential_build returns one if the linked version of BoringSSL
// has been built with the BORINGSSL_CONFIDENTIAL define and zero otherwise.
//
// This is used by some consumers to identify whether they are using an
// internal version of BoringSSL.
OPENSSL_EXPORT int CRYPTO_is_confidential_build(void);
// CRYPTO_has_asm returns one unless BoringSSL was built with OPENSSL_NO_ASM,
// in which case it returns zero.
OPENSSL_EXPORT int CRYPTO_has_asm(void);
// BORINGSSL_self_test triggers the FIPS KAT-based self tests. It returns one on
// success and zero on error.
OPENSSL_EXPORT int BORINGSSL_self_test(void);
// BORINGSSL_integrity_test triggers the module's integrity test where the code
// and data of the module is matched against a hash injected at build time. It
// returns one on success or zero if there's a mismatch. This function only
// exists if the module was built in FIPS mode without ASAN.
OPENSSL_EXPORT int BORINGSSL_integrity_test(void);
// CRYPTO_pre_sandbox_init initializes the crypto library, pre-acquiring some
// unusual resources to aid running in sandboxed environments. It is safe to
// call this function multiple times and concurrently from multiple threads.
//
// For more details on using BoringSSL in a sandboxed environment, see
// SANDBOXING.md in the source tree.
OPENSSL_EXPORT void CRYPTO_pre_sandbox_init(void);
#if defined(OPENSSL_ARM) && defined(OPENSSL_LINUX) && \
!defined(OPENSSL_STATIC_ARMCAP)
// CRYPTO_has_broken_NEON returns one if the current CPU is known to have a
// broken NEON unit. See https://crbug.com/341598.
OPENSSL_EXPORT int CRYPTO_has_broken_NEON(void);
// CRYPTO_needs_hwcap2_workaround returns one if the ARMv8 AArch32 AT_HWCAP2
// workaround was needed. See https://crbug.com/boringssl/46.
OPENSSL_EXPORT int CRYPTO_needs_hwcap2_workaround(void);
#endif // OPENSSL_ARM && OPENSSL_LINUX && !OPENSSL_STATIC_ARMCAP
// FIPS monitoring
// FIPS_mode returns zero unless BoringSSL is built with BORINGSSL_FIPS, in
// which case it returns one.
OPENSSL_EXPORT int FIPS_mode(void);
// fips_counter_t denotes specific APIs/algorithms. A counter is maintained for
// each in FIPS mode so that tests can be written to assert that the expected,
// FIPS functions are being called by a certain peice of code.
enum fips_counter_t {
fips_counter_evp_aes_128_gcm = 0,
fips_counter_evp_aes_256_gcm = 1,
fips_counter_evp_aes_128_ctr = 2,
fips_counter_evp_aes_256_ctr = 3,
fips_counter_max = 3,
};
// FIPS_read_counter returns a counter of the number of times the specific
// function denoted by |counter| has been used. This always returns zero unless
// BoringSSL was built with BORINGSSL_FIPS_COUNTERS defined.
OPENSSL_EXPORT size_t FIPS_read_counter(enum fips_counter_t counter);
// Deprecated functions.
// OPENSSL_VERSION_TEXT contains a string the identifies the version of
// “OpenSSL”. node.js requires a version number in this text.
#define OPENSSL_VERSION_TEXT "OpenSSL 1.1.1 (compatible; BoringSSL)"
#define OPENSSL_VERSION 0
#define OPENSSL_CFLAGS 1
#define OPENSSL_BUILT_ON 2
#define OPENSSL_PLATFORM 3
#define OPENSSL_DIR 4
// OpenSSL_version is a compatibility function that returns the string
// "BoringSSL" if |which| is |OPENSSL_VERSION| and placeholder strings
// otherwise.
OPENSSL_EXPORT const char *OpenSSL_version(int which);
#define SSLEAY_VERSION OPENSSL_VERSION
#define SSLEAY_CFLAGS OPENSSL_CFLAGS
#define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
#define SSLEAY_PLATFORM OPENSSL_PLATFORM
#define SSLEAY_DIR OPENSSL_DIR
// SSLeay_version calls |OpenSSL_version|.
OPENSSL_EXPORT const char *SSLeay_version(int which);
// SSLeay is a compatibility function that returns OPENSSL_VERSION_NUMBER from
// base.h.
OPENSSL_EXPORT unsigned long SSLeay(void);
// OpenSSL_version_num is a compatibility function that returns
// OPENSSL_VERSION_NUMBER from base.h.
OPENSSL_EXPORT unsigned long OpenSSL_version_num(void);
// CRYPTO_malloc_init returns one.
OPENSSL_EXPORT int CRYPTO_malloc_init(void);
// OPENSSL_malloc_init returns one.
OPENSSL_EXPORT int OPENSSL_malloc_init(void);
// ENGINE_load_builtin_engines does nothing.
OPENSSL_EXPORT void ENGINE_load_builtin_engines(void);
// ENGINE_register_all_complete returns one.
OPENSSL_EXPORT int ENGINE_register_all_complete(void);
// OPENSSL_load_builtin_modules does nothing.
OPENSSL_EXPORT void OPENSSL_load_builtin_modules(void);
#define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0
#define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0
#define OPENSSL_INIT_ADD_ALL_CIPHERS 0
#define OPENSSL_INIT_ADD_ALL_DIGESTS 0
#define OPENSSL_INIT_NO_ADD_ALL_CIPHERS 0
#define OPENSSL_INIT_NO_ADD_ALL_DIGESTS 0
#define OPENSSL_INIT_LOAD_CONFIG 0
#define OPENSSL_INIT_NO_LOAD_CONFIG 0
// OPENSSL_init_crypto calls |CRYPTO_library_init| and returns one.
OPENSSL_EXPORT int OPENSSL_init_crypto(uint64_t opts,
const OPENSSL_INIT_SETTINGS *settings);
// OPENSSL_cleanup does nothing.
OPENSSL_EXPORT void OPENSSL_cleanup(void);
// FIPS_mode_set returns one if |on| matches whether BoringSSL was built with
// |BORINGSSL_FIPS| and zero otherwise.
OPENSSL_EXPORT int FIPS_mode_set(int on);
// FIPS_version returns the version of the FIPS module, or zero if the build
// isn't exactly at a verified version. The version, expressed in base 10, will
// be a date in the form yyyymmddXX where XX is often "00", but can be
// incremented if multiple versions are defined on a single day.
//
// (This format exceeds a |uint32_t| in the year 4294.)
OPENSSL_EXPORT uint32_t FIPS_version(void);
// FIPS_query_algorithm_status returns one if |algorithm| is FIPS validated in
// the current BoringSSL and zero otherwise.
OPENSSL_EXPORT int FIPS_query_algorithm_status(const char *algorithm);
#if defined(__cplusplus)
} // extern C
#endif
#endif // OPENSSL_HEADER_CRYPTO_H