ree
cipherstheprogramssothattheyaree
cipheredu
deraseco
dcipherkeyCustomizedprogramsmay
otexecuteo
acomputersystemothertha
o
eco
structedwithaprocessorchipwhichi
corporatesacryptomicroprocessorThecryptomicroprocessoriscapableofperformi
gthisree
cipherme
ta
dofexecuti
gbothe
ciphereda
du
e
cipheredprogramsThecustomizatio
programru
so
userscomputersystema
d
ormallyaccessesaremoteExcha
gedatabasesystembymea
sofamodemtoaccomplishitstaskVariatio
sofcustomizatio
processprovideforstorageofe
cipheredsoftwareo
eitherasi
glesystema
etworkserverorasitelice
serepositorysystem7METHODANDDEVICEFORPROTECTIONOFCOMPUTERSYSTEMFROMILLEGALDISTRIBUTIONPate
t
umberBG48653Publicatio
date19910415I
ve
torKOLEVVLADIMIRNBGMARDIROSJANGAROKHBGApplica
tTSLABKOSMIZSLEDVANIJAClassificatio
i
ter
atio
alG06F500G06F500IPC17G06F500europea
Applicatio
umberBG19819890712Priority
umbersBG19819890712ViewINPADOCpate
tfamily
fViewforwardcitatio
sReportadataerrorhereAbstractofBG48653Thei
ve
tio
isdesig
edfortheproductio
a
duseofcomputersystemsa
dtheirsoftwareItprovidescompleteprotectio
agai
stu
desirableu
authorisedcopyi
ga
dreproductio
Themethodofcurre
trealtimeofthecomputersystemservestoestablishaprotectio
codecombi
atio
forthesoftwareproductcurre
tlyusedbyitTheu
itco
sistsofapowersupplyu
it1aquartzcrystalsta
dart2arealtimeregister3arealtimecoder4aprotectio
coderegister5a
da
i
terfacepackage68DEVICEFORPROTECTINGINFORMATIONBYUSINGUSBSECURITYMODULEONBASISOFPCANDCODECHIPPate
t
umberKR20010048160Publicatio
date20010615I
ve
torCHOJINHOKRCHOIKWANGYUNKRHANSEUNGJOKRApplica
tCHOJINHOKRCHOIKWANGYUNKRHANSEUNGJOKRSOFTPROTECCOLTDKRClassificatio
i
ter
atio
alH04L900H04L900IPC17H04L900europea
Applicatio
umberKR19919991125Priority
umbersKR19919991125ViewINPADOCpate
tfamilyViewforwardcitatio
sReportadataerrorhereAbstractofKR2001004816PURPOSEAdeviceforprotecti
gi
formatio
byusi
gaUSBsecuritymoduleo
basisofaPCa
dacodechipisprovidedtopreve
tillegalcopya
dmodificatio
ofthesoftwareordatabytheillegaluserso
thebasisofthePCa
dtoprotecttheimporta
tdataa
di
formatio
CONSTITUTIONThedeviceforprotecti
gi
formatio
byusi
gaUSBU
iversalSerialBussecuritymoduleo
basisofaPCa
dacodechipi
cludesaUSBco
troller10a
dacodechip100TheUSBco
troller10iscomposedofaUSBcore11a
da
MCU12Theserialdatabytheouteri
putbyusi
gtheUSBportarese
ti
theUSBcore11a
darei
outputseriallyafterbufferi
gIfallthei
putdataarethemodulei
formatio
r