aes_core.hpp File Reference

AES-256 block cipher implementation (FIPS-197). More...

#include <cstddef>
#include <cstdint>
#include <cstring>

Go to the source code of this file.

Classes
class	signet::forge::crypto::Aes256
	AES-256 block cipher (FIPS-197). More...

Namespaces
namespace	signet
namespace	signet::forge
namespace	signet::forge::crypto
namespace	signet::forge::crypto::detail
namespace	signet::forge::crypto::detail::aes

Functions
constexpr uint8_t	signet::forge::crypto::detail::aes::xtime (uint8_t a)
	Multiply by x (i.e., by 2) in GF(2^8).
constexpr uint8_t	signet::forge::crypto::detail::aes::gf_mul (uint8_t a, uint8_t b)
	Multiply two elements in GF(2^8) using the Russian peasant algorithm.
void	signet::forge::crypto::detail::aes::sub_word (uint8_t word[4])
	Apply S-box to each byte of a 4-byte word.
void	signet::forge::crypto::detail::aes::rot_word (uint8_t word[4])
	Rotate a 4-byte word left by one byte: [a,b,c,d] -> [b,c,d,a].
void	signet::forge::crypto::detail::aes::secure_zero (void *ptr, size_t len)
	Securely zero memory that held key material (CWE-244, NIST SP 800-38D §8.3).
bool	signet::forge::crypto::detail::aes::has_hardware_aes () noexcept
	Check if CPU supports AES-NI (x86) or ARMv8-CE AES (ARM).

Detailed Description

AES-256 block cipher implementation (FIPS-197).

Definition in file aes_core.hpp.