Version 5.0 The LEDA User Manual

void
C.reset(bool keep parameters = true)
puts C in the same state as the default constructor.
If keep parameters is false the parameters are set to
their default values and the key is set to the empty
key.
bool C.failed( ) returns true if an error occured.
bool C.finished( ) returns true if the coding is finished.
string C.get description( ) provides a description for C.
Additional Operations
uint16 C.get default key size( )
returns the default key size.
uint16
void
C.get accepted key size(uint16 & min, uint16 & max)
C.set key(const CryptKey& key)
provides the minimum and maximum key size (in
bytes). The return value is the default key size.
sets the key.
bool C.has key( ) queries whether a key has been set.
CryptKey C.get key( ) returns the current key.
const byte∗ C.check( ) checks the source stream and returns the computed
MAC. No target stream needs to be set. (If a target
stream is set check coincides with decode).
bool C.MAC is valid( ) returns whether C has a valid MAC.
string C.get MAC as hex string( )
returns the MAC for the stream that has been processed
last as hexadecimal string.
const byte∗
void
C.compute MAC(string str)
computes a MAC for a string. (Sets source and target
stream to nil.)
C.set MAC in stream flag(bool mac in stream)
sets the MAC in stream flag.
bool C.get MAC in stream flag( )
returns the MAC in stream flag.