CoreComponents 3.0.0
A Modern C++ Toolkit
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BlockCipherSink Class Referencefinal

Block cipher output stream More...

#include <cc/BlockCipherSink>

Inheritance diagram for BlockCipherSink:

Public Member Functions

 BlockCipherSink ()=default
 Create a null block cipher output stream.
 
 BlockCipherSink (const Stream &sink, const BlockCipher &cipher, const Stream &pad=Stream{})
 Create a new block cipher output stream.
 
int blockSize () const
 Block size of the underdyling block cipher.
 
long pendingCount () const
 Number of bytes pending because the last write did not fill up a complete cipher block.
 
- Public Member Functions inherited from Stream
 Stream ()=default
 Create a null stream.
 
bool waitEstablished (int timeout=-1)
 Wait until the connection is fully established.
 
bool wait (IoEvent event, int timeout=-1)
 Wait for an I/O event.
 
long read (Out< Bytes > buffer, long maxFill=-1)
 Read available bytes into buffer and return number of bytes read.
 
void write (const Bytes &buffer, long fill=-1)
 Write fill bytes from buffer (if fill < 0 write all bytes from buffer)
 
void write (const List< Bytes > &buffers)
 Write the contents of buffers in one go.
 
void write (const List< String > &parts)
 Convenience method, equivalent to 'write(parts.join())'.
 
void write (const struct iovec *iov, int iovcnt)
 Write the contents of the iov buffers in one go.
 
void write (const char *s)
 Write C-string s.
 
bool isDiscarding () const
 Return true if this stream is discarding all writes
 
long long transferTo (const Stream &sink, long long count, const Bytes &buffer)
 Transfer a span of bytes.
 
long long transferTo (const Stream &sink, long long count=-1)
 Transfer a span of bytes.
 
long defaultTransferUnit () const
 Default I/O buffer size.
 
long long skip (long long count)
 Read and discard count bytes.
 
void drain (const Bytes &auxBuffer=Bytes{})
 Read everything that is left.
 
long readSpan (Out< Bytes > buffer)
 Read fixed number of bytes.
 
String readSpan (long count)
 Read a fixed number of bytes.
 
String readAll ()
 Read the entire stream.
 
- 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.
 
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.
 
long useCount () const
 Reference count.
 

Additional Inherited Members

- Protected Member Functions inherited from Stream
 Stream (State *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

Block cipher output stream

Constructor & Destructor Documentation

◆ BlockCipherSink() [1/2]

BlockCipherSink ( )
default

Create a null block cipher output stream.

◆ BlockCipherSink() [2/2]

BlockCipherSink ( const Stream & sink,
const BlockCipher & cipher,
const Stream & pad = Stream{} )

Create a new block cipher output stream.

Parameters
sinkOutput sink to write the ciphertext to
cipherBlock cipher to use for encrypting the plaintext
padInput stream to read the padding from (optional)

Member Function Documentation

◆ blockSize()

int blockSize ( ) const

Block size of the underdyling block cipher.

◆ pendingCount()

long pendingCount ( ) const

Number of bytes pending because the last write did not fill up a complete cipher block.