Android Smart Card ID Checker
UHCL Capstone Team 6
Michael Woodruff
Raymond Nnodim
Faisal Moiz
Presentation Outline
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Background
Requirements
User interface
Data model
Communications model
Q and A
Background
• Johnson Space Center security access
• Goal – use smart card embedded in ID badge
to verify appropriate access
• Tietronix Software sponsoring project
Common Access Cards
• NFC – Near Field Communication
– ISO 14443 – operates at 13.56 MHz
– Short range communication <= 10 cm
– Newer smart phones have embedded NFC readers
• Samsung Galaxy Nexus and S II, HTC Amaze 4G
– Android support with SDK 2.3
• Personnel Data on card
Requirements
• Use Android smart phone to read NFC cards
• Use ID number read to query remote database
and display digital replica of ID card
• Display additional personnel details
• Display warnings such as revoked or expired cards
• Log time and location of scans
• Log and photograph Guests
• Should work offline
User Interface
Home Screen
Add Guest
Scanned ID Found In Database
Scanned ID Triggers Warnings
Scanned ID Not Found In Database
Data Model
Remotely
Generated
Phone
Generated
Database Tables - Card
Field
Data Type
ID (PK)
varchar(20)
Flags
tinyint
Expiration_Date datetime
Last_Updated
datetime
Database Tables – Person
Field
EDI_ID (PK)
FName
LName
Access_Level
Class
Company
Photo
Flags
Card_ID (FK)
Last_Updated
Data Type
varchar(20)
nvarchar(50)
nvarchar(50)
varchar(500)
tinyint
varchar(50)
varchar(100)
varchar(500)
varchar(20)
datetime
Database Tables - Guest
Field
Data Type
ID (Auto) (PK) int
Name
nvarchar(100)
Company
varchar(50)
Address
varchar(50)
Photo
varchar(100)
Comment
varchar(500)
DateTime
datetime
Latitude
float
Longitude
float
Database Tables - Scan
Field
Data Type
ID (Auto) (PK) bigint
Card_ID
varchar(20)
DateTime
datetime
Latitude
float
Longitude
float
Pull Personnel Records
Request records
Send records
Save records to
local database
Local
Database
Remote
Database
Retrieve Personnel Data Locally
Remote
Database
Use local copy
Local
Database
Remote Database
Unavailable
Scan/Guest Log Data
Save Scan/Guest Logs
Local
Database
Push Scan/Guest Logs
Push Scan/Guest Logs
Logs Received
Confirmation
Retrieve
Logs
to send
from local
database
Delete
Logs from
Local Database
Local
database
Remote
database
Questions