path: root/src/build-data/buildh.in

#ifndef BOTAN_BUILD_CONFIG_H_
#define BOTAN_BUILD_CONFIG_H_

/*
* This file was automatically generated running
* '%{command_line}'
*
* Target
*  - Compiler: %{cxx} %{cxx_abi_flags} %{cc_lang_flags} %{cc_compile_flags}
*  - Arch: %{arch}
*  - OS: %{os}
*/

#define BOTAN_VERSION_MAJOR %{version_major}
#define BOTAN_VERSION_MINOR %{version_minor}
#define BOTAN_VERSION_PATCH %{version_patch}
#define BOTAN_VERSION_DATESTAMP %{version_datestamp}

#define BOTAN_VERSION_RELEASE_TYPE "%{release_type}"

#define BOTAN_VERSION_VC_REVISION "%{version_vc_rev}"

#define BOTAN_DISTRIBUTION_INFO "%{distribution_info}"

/* How many bits per limb in a BigInt */
#define BOTAN_MP_WORD_BITS %{mp_bits}

%{if fuzzer_mode}
#define BOTAN_UNSAFE_FUZZER_MODE
%{endif}
%{if fuzzer_type}
#define BOTAN_FUZZER_IS_%{fuzzer_type}
%{endif}

#define BOTAN_INSTALL_PREFIX R"(%{prefix})"
#define BOTAN_INSTALL_HEADER_DIR "%{includedir}/botan-%{version_major}"
#define BOTAN_INSTALL_LIB_DIR "%{libdir}"
#define BOTAN_LIB_LINK "%{link_to}"
#define BOTAN_LINK_FLAGS "%{cxx_abi_flags}"

#ifndef BOTAN_DLL
  #define BOTAN_DLL %{visibility_attribute}
#endif

/* Target identification and feature test macros */

#define BOTAN_TARGET_OS_IS_%{os_name|upper}

%{for os_features}
#define BOTAN_TARGET_OS_HAS_%{i|upper}
%{endfor}

#define BOTAN_BUILD_COMPILER_IS_%{cc_macro}

%{for sanitizer_types}
#define BOTAN_HAS_SANITIZER_%{i|upper}
%{endfor}

%{if test_mode}
#define BOTAN_TEST_MODE
%{endif}

#define BOTAN_TARGET_ARCH_IS_%{arch|upper}
%{if endian}
#define BOTAN_TARGET_CPU_IS_%{endian|upper}_ENDIAN
%{endif}
%{if cpu_family}
#define BOTAN_TARGET_CPU_IS_%{cpu_family|upper}_FAMILY
%{endif}
%{if cpu_is_64bit}
#define BOTAN_TARGET_CPU_HAS_NATIVE_64BIT
%{endif}

%{for cpu_features}
#define BOTAN_TARGET_SUPPORTS_%{i|upper}
%{endfor}

%{if with_valgrind}
#define BOTAN_HAS_VALGRIND
%{endif}

%{if with_openmp}
#define BOTAN_TARGET_HAS_OPENMP
%{endif}

%{if with_debug_asserts}
#define BOTAN_ENABLE_DEBUG_ASSERTS
%{endif}

%{if optimize_for_size}
#define BOTAN_OPTIMIZE_FOR_SIZE
%{endif}

/*
* Module availability definitions
*/
%{for module_defines}
#define BOTAN_HAS_%{i}
%{endfor}

/*
* Local/misc configuration options (if any) follow
*/
%{local_config}

/*
* Things you can edit (but probably shouldn't)
*/

#if !defined(BOTAN_DEPRECATED_PUBLIC_MEMBER_VARIABLES)

  #if defined(BOTAN_NO_DEPRECATED)
     #define BOTAN_DEPRECATED_PUBLIC_MEMBER_VARIABLES private
  #else
     #define BOTAN_DEPRECATED_PUBLIC_MEMBER_VARIABLES public
  #endif

#endif

/* How much to allocate for a buffer of no particular size */
#define BOTAN_DEFAULT_BUFFER_SIZE 1024

/* Minimum and maximum sizes to allocate out of the mlock pool (bytes)
   Default min is 16 as smaller values are easily bruteforceable and thus
   likely not cryptographic keys.
*/
#define BOTAN_MLOCK_ALLOCATOR_MIN_ALLOCATION 16
#define BOTAN_MLOCK_ALLOCATOR_MAX_ALLOCATION 128

/*
* Total maximum amount of RAM (in KiB) we will lock into memory, even
* if the OS would let us lock more
*/
#define BOTAN_MLOCK_ALLOCATOR_MAX_LOCKED_KB 512

/*
* If enabled uses memset via volatile function pointer to zero memory,
* otherwise does a byte at a time write via a volatile pointer.
*/
#define BOTAN_USE_VOLATILE_MEMSET_FOR_ZERO 1

/*
* Normally blinding is performed by choosing a random starting point (plus
* its inverse, of a form appropriate to the algorithm being blinded), and
* then choosing new blinding operands by successive squaring of both
* values. This is much faster than computing a new starting point but
* introduces some possible corelation
*
* To avoid possible leakage problems in long-running processes, the blinder
* periodically reinitializes the sequence. This value specifies how often
* a new sequence should be started.
*/
#define BOTAN_BLINDING_REINIT_INTERVAL 64

/*
* Userspace RNGs like HMAC_DRBG will reseed after a specified number
* of outputs are generated. Set to zero to disable automatic reseeding.
*/
#define BOTAN_RNG_DEFAULT_RESEED_INTERVAL 1024
#define BOTAN_RNG_RESEED_POLL_BITS 256

#define BOTAN_RNG_AUTO_RESEED_TIMEOUT std::chrono::milliseconds(10)
#define BOTAN_RNG_RESEED_DEFAULT_TIMEOUT std::chrono::milliseconds(50)

/*
* Specifies (in order) the list of entropy sources that will be used
* to seed an in-memory RNG. The first in the default list: "rdseed"
* and "rdrand" do not count as contributing any entropy but are
* included as they are fast and help protect against a seriously
* broken system RNG.
*/
#define BOTAN_ENTROPY_DEFAULT_SOURCES \
   { "rdseed", "rdrand", "getentropy", "dev_random", \
     "system_rng", "proc_walk", "system_stats" }

/* Multiplier on a block cipher's native parallelism */
#define BOTAN_BLOCK_CIPHER_PAR_MULT 4

/*
* These control the RNG used by the system RNG interface
*/
#define BOTAN_SYSTEM_RNG_DEVICE "/dev/urandom"
#define BOTAN_SYSTEM_RNG_POLL_DEVICES { "/dev/urandom", "/dev/random" }

/*
* This directory will be monitored by ProcWalking_EntropySource and
* the contents provided as entropy inputs to the RNG. May also be
* usefully set to something like "/sys", depending on the system being
* deployed to. Set to an empty string to disable.
*/
#define BOTAN_ENTROPY_PROC_FS_PATH "/proc"

/*
* These paramaters control how many bytes to read from the system
* PRNG, and how long to block if applicable. The timeout only applies
* to reading /dev/urandom and company.
*/
#define BOTAN_SYSTEM_RNG_POLL_REQUEST 64
#define BOTAN_SYSTEM_RNG_POLL_TIMEOUT_MS 20

/*
How many times to read from the RDRAND/RDSEED RNGs.
Each read generates 32 bits of output
*/
#define BOTAN_ENTROPY_INTEL_RNG_POLLS 32

// According to Intel, RDRAND is guaranteed to generate a random number within 10 retries on a working CPU
#define BOTAN_ENTROPY_RDRAND_RETRIES 10

/*
* RdSeed is not guaranteed to generate a random number within a specific number of retries
* Define the number of retries here
*/
#define BOTAN_ENTROPY_RDSEED_RETRIES 20

/*
* If no way of dynamically determining the cache line size for the
* system exists, this value is used as the default. Used by the side
* channel countermeasures rather than for alignment purposes, so it is
* better to be on the smaller side if the exact value cannot be
* determined. Typically 32 or 64 bytes on modern CPUs.
*/
#if !defined(BOTAN_TARGET_CPU_DEFAULT_CACHE_LINE_SIZE)
  #define BOTAN_TARGET_CPU_DEFAULT_CACHE_LINE_SIZE 32
#endif

/**
* Controls how AutoSeeded_RNG is instantiated
*/
#if !defined(BOTAN_AUTO_RNG_HMAC)

  #if defined(BOTAN_HAS_SHA2_64)
    #define BOTAN_AUTO_RNG_HMAC "HMAC(SHA-384)"
  #elif defined(BOTAN_HAS_SHA2_32)
    #define BOTAN_AUTO_RNG_HMAC "HMAC(SHA-256)"
  #elif defined(BOTAN_HAS_SHA3)
    #define BOTAN_AUTO_RNG_HMAC "HMAC(SHA-3(256))"
  #elif defined(BOTAN_HAS_SHA1)
    #define BOTAN_AUTO_RNG_HMAC "HMAC(SHA-1)"
  #endif
  // Otherwise, no hash found: leave BOTAN_AUTO_RNG_HMAC undefined

#endif

// Check for a common build problem:

#if defined(BOTAN_TARGET_ARCH_IS_X86_64) && ((defined(_MSC_VER) && !defined(_WIN64)) || \
                                             (defined(__clang__) && !defined(__x86_64__)) || \
                                             (defined(__GNUG__) && !defined(__x86_64__)))
    #error "Trying to compile Botan configured as x86_64 with non-x86_64 compiler."
#endif

#if defined(BOTAN_TARGET_ARCH_IS_X86_32) && ((defined(_MSC_VER) && defined(_WIN64)) || \
                                             (defined(__clang__) && !defined(__i386__)) || \
                                             (defined(__GNUG__) && !defined(__i386__)))

    #error "Trying to compile Botan configured as x86_32 with non-x86_32 compiler."
#endif

#include <botan/compiler.h>

#endif