Class SecureChannel

Object
   |
   +--SecureChannel

class SecureChannel

Class implementing a secure messaging channel
Defined in securechannel.js

Field Detail

crypto

Object crypto

policy

Object policy

SecureChannel

SecureChannel(<Crypto> crypto)

Create a secure channel

Parameters:
crypto - the crypto provider

getIV

ByteString getIV()

Return an initialisation vector based on the defined policy

Returns:
the IV

setEncKey

void setEncKey(<Key> key)

Sets the key used for encryption

Parameters:
key - the encryption key

setEncSendSequenceCounter

void setEncSendSequenceCounter(<ByteString> ssc)

Set the send sequence counter for encryption calculation

Parameters:
ssc - the send sequence counter

setMacKey

void setMacKey(<Key> key)

Sets the key used for message authentication

Parameters:
key - the message authentication key

setMACSendSequenceCounter

void setMACSendSequenceCounter(<ByteString> ssc)

Set the send sequence counter for MAC calculation

Parameters:
ssc - the send sequence counter

setSendSequenceCounterPolicy

void setSendSequenceCounterPolicy(<Number> policy)

Sets the policy for handling send sequence counters See IsoSecureChannel for details

Parameters:
policy - one of IsoSecureChannel.SSC_DEFAULT_POLICY, SSC_SYNC_POLICY or SSC_SYNC_ENC_POLICY

unwrap

void unwrap(<APDU> apdu)

Unwrap a secure messaging APDU recovering the content

Parameters:
apdu - the APDU to unwrap

wrap

void wrap(<APDU> apdu)

Wrap an APDU for secure messaging

Parameters:
apdu - the APDU to wrap

pad

<static> ByteBuffer pad(<ByteBuffer> buffer, <Number> blocksize)

Applies ISO padding to the input buffer

Parameters:
buffer - the input buffer
blocksize - the block size

Returns:
the buffer argument

removePadding

<static> ByteString removePadding(<ByteString> buffer)

Removes the ISO padding

Parameters:
buffer - the input with with padding

Returns:
the buffer without padding