CoreComponents 4.0.0
A Modern C++ Toolkit
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AesBlockCipher Class Referencefinal

Rijndael Block Cipher according to the American Encryption Standard (AES / FIPS-197). More...

#include <cc/AesBlockCipher>

Inheritance diagram for AesBlockCipher:

Public Member Functions

 AesBlockCipher ()=default
 Create a null AES cipher.
 AesBlockCipher (const Bytes &key)
 Create a new AES block cipher.
Public Member Functions inherited from BlockCipher
 BlockCipher ()=default
 Create a null block cipher.
int blockSize () const
 Block size in bytes (required for encode() and decode()).
void encode (const Bytes &p, Out< Bytes > c)
 Encipher plaintext block p into ciphertext block c.
void decode (const Bytes &c, Out< Bytes > p)
 Decipher ciphertext block c into plaintext block p.
Public Member Functions inherited from Object
 Object ()=default
 Create a null object.
 operator bool () const
 Check if this is a non-null object.
bool isNull () const
 Check if this is a null object.
int useCount () const
 Reference count.
template<class T>
bool is () const
 Check if this object is of type T.
template<class T>
as () const
 Cast this object to type T.
bool isWeak () const
 Check if the underlying object reference is weak.
bool operator== (const Object &other) const
 Equality operator.
std::strong_ordering operator<=> (const Object &other) const
 Ordering operator.

Static Public Attributes

static constexpr int BlockSize = 16
 Block size of the cipher in bytes

Additional Inherited Members

Public Types inherited from Object
using NullAccess = cc::NullAccess
 Error thrown when trying to access a null object.
using VirginityTestFailed = cc::VirginityTestFailed
 Error thrown when trying to initialize an object with a non-virgin state.
Protected Member Functions inherited from BlockCipher
 BlockCipher (State *newState)
 Initialize with newState.
Stateme ()
const Stateme () const
Protected Member Functions inherited from Object
template<class T>
weak () const
template<class T>
void initOnce ()
 Create the object state when called the first time.
template<class T>
void initOncePerThread ()
 Create a distinct object state for each thread when called the first time in that thread.
 Object (State *newState)
 Initialize object with newState.
 Object (State *state, Alias)
 Object (State *state, Weak)
Objectoperator= (std::nullptr_t)
Static Protected Member Functions inherited from Object
template<class T>
static T alias (const State *state)
 Create an alias object for the given state.
template<class T>
static T weak (const State *state)
Protected Attributes inherited from Object
Handle< Stateme
 Internal object state

Detailed Description

Rijndael Block Cipher according to the American Encryption Standard (AES / FIPS-197).

Constructor & Destructor Documentation

◆ AesBlockCipher() [1/2]

AesBlockCipher ( )
default

Create a null AES cipher.

◆ AesBlockCipher() [2/2]

AesBlockCipher ( const Bytes & key)
explicit

Create a new AES block cipher.

Parameters
key128, 192 or 256 bit key (16, 24 or 32 bytes)

Member Data Documentation

◆ BlockSize

int BlockSize = 16
staticconstexpr

Block size of the cipher in bytes