Use Case 2.6 Change remote PIN

Overview

Aspect	Description
Summary	The user changes their PIN by first entering the current one, then choosing and confirming a new PIN that meets policy requirements.
Goal	Changing the remote PIN.
Preconditions	User completed UC3.1 Obtain PID from provider User completed UC1.2 Open the app
Postconditions	User can use the new PIN in the Wallet. User can no longer use the old PIN in the Wallet.
Triggered by	User selects ‘Change pin’ in UC9.1 Show app menu.
Additional Documentation	PIN validation
Possible errors	No internet Server unreachable
Logical Test Cases	LTC56 PIN Change Happy flow LTC61 PIN entries do not match, try again LTC62 PIN entries do not match, choose new PIN LTC63 PIN entry does not conform to policy LTC64 PIN change fails, could not reach server LTC65 PIN change fails, no internet

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Flow

#	Description	Next
1	PRIMARY SCENARIO
1.1	System executes partial flow PF2.4 Confirm a protected action Not cancelable
1.1a	Result: Confirm	1.2
1.1b	Result: Back	Back
1.2	Displays screen ‘Choose new PIN’ Message: Choose a new 6-digit PIN Input: 6 digits (0-9) PIN field Actions: Back
1.2a	User enters PIN	1.3
1.2b	User selects Back	Back
1.2c	Error: No internet	Error flow: No internet
1.2d	Error: Server unreachable	Error flow: Server unreachable
1.3	System validates entered PIN against PIN policy Duration: 0.0 - 0.1 seconds
1.3a	Case: PIN matches PIN policy	1.4
1.3b	Case: PIN does not match PIN policy	2
1.4	System displays screen ‘Repeat PIN’ Message: Repeat your new PIN Input: 6 digits (0-9) PIN field Actions: Back
1.4a	User enters PIN	1.5
1.4b	User selects Back	Back
1.5	System validates PINs match Duration: 0.0 - 0.1 seconds
1.5a	Case: PINs match	1.6
1.5b	Case: PINs do not match first time	3
1.5c	Case: PINs do not match second time	4
1.5d	Error: No internet	Error flow: No internet
1.5e	Error: Server unreachable	Error flow: Server unreachable
1.6	System displays screen ‘PIN change success’ Message: Success! Actions: Dashboard, Settings
1.6a	User selects Dashboard	Go to: UC7.1 Show all available cards
1.6b	User selects Settings	End
2	WHEN PIN DOES NOT SATISFY POLICY (TOO SIMPLE)
2.1	System displays PIN too simple message Actions: OK
2.1a	User selects OK	1.2
3	WHEN PINs ARE NOT EQUAL (FIRST TIME)
3.1	System displays PIN is different message Actions: Try Again
3.1a	User selects Try again	1.4
4	WHEN PINs ARE NOT EQUAL (SECOND TIME)
4.1	System displays PIN is different message Actions: Choose New Pin
4.1a	User selects Choose New Pin	1.2