Canon imageRUNNER ADVANCE C5051 Series Service Manual page 153

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Technology■>■MEAP■>■Changes■>■Authentication■Information■Sharing■Function
● Log■management■of■MEAP■application ■
Log■management■function■which■the■MEAP■application■log■can■be■downloaded■and/or■deleted■
was■added.
Screen■example:■Download■of■MEAP■application■log
Screen■example:■Deletion■of■MEAP■application■log
2 Technology■>■MEAP■>■Changes■>■Authentication■Information■Sharing■Function
■ Authentication■Information■Sharing■Function ■
● Sharing■the■authentication■information ■
Authentication■information■at■login■and■authentication■information■for■MEAP■application■were■
managed■separately,■so■it■was■very■inconvenient■because■authentication■was■executed■many■
times.
In■the■MEAP■environment,■the■unified■authentication■function■which■authentication■information■
can■be■shared■even■between■MEAP■applications■was■added.
Supported■MEAP■Specifications■is■Ver.59■and■both■device■and■MEAP■application■need■to■
support■this■version■in■order■to■use■this■function.
There■are■2■types■for■authentication■information■sharing:■Volatile■Credential■which■the■
registered■information■is■discarded■at■logout■or■shutdown■of■the■device,■and■Persistent■
Credential■which■the■registered■information■is■not■discarded■even■at■logout.
● Volatile■Credential ■
Volatile■Credential■is■used■when■sharing■the■authentication■information■between■applications■
which■log■in■(authenticate)■to■the■same■security■domain.
F-2-159 Credential■is■registered■using■a■login■application,■so■the■application■which■accesses■to■the■
security■domain■used■for■authentication■by■login■application■can■use■the■Credential.■
● Persistent■Credential ■
Persistent■Credential■is■used■to■help■entry■of■authentication■information■when■logging■in■
(authenticating)■to■a■different■security■domain.
Credential■is■registered■using■a■general■MEAP■application,■so■the■authentication■information■
can■be■reused■when■the■same■user■logs■in■for■the■second■time■or■later.
● Comparison■of■functions ■
Registered■information Character■strings■and■arbitrary■Java■
F-2-160
Lifetime Registration
Deletion
Encryption■of■
Credential■data
Store■(Save)■to
Volatile■Credential■
Character■strings■only■User■ID/
object Password/Domain/Arbitrary■character■
strings
At■login■(login■application),■and■at■ At■any■timing■registered■by■
any■timing■registered■by■application■ application■
Can■be■used■until■logout/shutdown. Can■be■used■until■deletion■by■
application■or■management■tool.
Not■supported Data■retained■on■the■HDD■is■
encrypted.
Memory■in■the■device HDD■in■the■device
2-117
Persistent■Credential
T-2-71
2-117