ase/randomhash.hh file

Namespaces

namespace Ase: The Anklang C++ API namespace.
namespace Ase::Lib: Namespace for implementation internals.

Classes

template <size_t SIZE> struct Ase::AlignedPOD
class Ase::Mwc256: Marsaglia multiply-with-carry generator, period ca 2^255.
struct Ase::SHA3_224
struct Ase::SHA3_256
struct Ase::SHA3_384
struct Ase::SHA3_512
struct Ase::SHAKE128
struct Ase::SHAKE256
class Ase::AutoSeeder: AutoSeeder provides non-deterministic seeding entropy.
class Ase::KeccakRng
class Ase::KeccakCryptoRng
class Ase::KeccakGoodRng
class Ase::KeccakFastRng
class Ase::Pcg32Rng

Functions

template <class Num> static auto byte_hash64(const Num* data, size_t length) → ASE_CONST uint64_t: Fast byte hashing with good dispersion and runtime randomization.
template <class Num> static auto fnv1a_consthash64(const Num* ztdata) → uint64_t constexpr
template <class Num> static auto fnv1a_consthash64(const Num*const data, size_t length) → uint64_t constexpr: Variant of fnv1a_consthash64() for memory blocks of arbitrary size.
static auto hash_secret() → ASE_PURE uint64_t: Provide hashing nonce for reseeding hashes at program start to avoid collision attacks.
template <class Num> static auto pcg_hash32(const Num* data, size_t length, uint64_t seed) → ASE_CONST uint32_t
template <class Num> static auto pcg_hash64(const Num* data, size_t length, uint64_t seed) → ASE_CONST uint64_t
static auto pcg_hash64(const char* ztdata, uint64_t seed) → ASE_CONST uint64_t: pcg_hash64() variant for zero-terminated strings.
static auto string_hash64(const std::string& string) → ASE_CONST uint64_t: Fast string hashing with good dispersion for std::string and runtime randomization.
static auto string_hash64(const char* ztdata) → ASE_CONST uint64_t: pcg_hash64() variant for zero-terminated strings.
auto random_float() → double
auto random_frange(double begin, double end) → double
auto random_int64() → uint64_t
auto random_irange(int64_t begin, int64_t end) → int64_t
auto random_nonce() → uint64_t: Provide a unique 64 bit identifier that is not 0, see also random_int64().
void random_secret(uint64_t* secret_var): Generate a secret non-zero nonce in secret_var, unless it has already been assigned.
void sha3_224_hash(const void* data, size_t data_length, uint8_t hashvalue[28]): Calculate 224 bit SHA3 digest from data, see also class SHA3_224.
void sha3_256_hash(const void* data, size_t data_length, uint8_t hashvalue[32]): Calculate 256 bit SHA3 digest from data, see also class SHA3_256.
void sha3_384_hash(const void* data, size_t data_length, uint8_t hashvalue[48]): Calculate 384 bit SHA3 digest from data, see also class SHA3_384.
void sha3_512_hash(const void* data, size_t data_length, uint8_t hashvalue[64]): Calculate 512 bit SHA3 digest from data, see also class SHA3_512.
void shake128_hash(const void* data, size_t data_length, uint8_t* hashvalues, size_t n): Calculate SHA3 extendable output digest for 128 bit security strength, see also class SHAKE128.
void shake256_hash(const void* data, size_t data_length, uint8_t* hashvalues, size_t n): Calculate SHA3 extendable output digest for 256 bit security strength, see also class SHAKE256.