# Health

## Health Credential Issuance Workflow
1. User receives a link via email or some other means
2. User opens the link in their browser
3. The page will display a QR code
4. User scans the QR code
5. User's Cardea Mobile Agent connects to the Cardea Health Issuer Agent
6. Collect patient demographic information
7. Verify user identity, e.g. verify user control of phone number or email address
8. Look up patient in system
9. Issue medical release credential
10. Look up patient health data
11. Issue health credential(s)

skinparam backgroundColor #fff
skinparam handwritten false

skinparam BoxPadding 10
skinparam ParticipantPadding 10

skinparam NoteFontSize 24
skinparam NoteBorderColor #f80
skinparam NoteBackgroundColor #fea

skinparam sequenceArrowThickness 1

skinparam sequence {
BoxFontSize 36
BoxBorderColor #555
BoxBackgroundColor #fbfbfb

ActorFontColor #333
ActorFontSize 24
ActorFontName Arial
ActorBorderColor #555
ActorBackgroundColor #ccc

ParticipantFontName Arial
ParticipantFontSize 24
ParticipantFontColor #333
ParticipantBorderColor #555
ParticipantBackgroundColor #eee

LifeLineBorderColor #ccc
LifeLineBackgroundColor #000

ArrowFontSize 24
ArrowColor #f80

DividerFontSize 24
}

actor User
participant "Mobile App" as Mobile
participant "Health Issuer Agent" as Issuer

User -> Mobile: Install

Mobile -> Mobile: Scan Passport

Mobile -> Mobile: Encode

note over Mobile:  stored on Mobile App

Mobile -> Verification: Send 

## Health Record Verification Workflow
1. User opens School Health System Website in a browser
2. School Health System Website requests an invitation URL from the School Health System Cardea Primary Verifier Agent
3. School Health System Cardea Primary Verifier Agent returns an invitation URL
4. School Health System Website displays a QR code in the browser
5. User scans the QR code with the Cardea Mobile Agent
6. Cardea Mobile Agent connects to the School Health System Cardea Primary Verifier Agent
7. School Health System Cardea Primary Verifier Agent requests vaccine credential(s) from the Cardea Mobile Agent
8. Cardea Mobile Agent presents request to User
9. User consents to share the vaccine credential(s)
10. Cardea Mobile Agent sends the vaccine credential(s) to the School Health System Cardea Primary Verifier Agent
11. School Health System Cardea Primary Verifier Agent parses details of the vaccine credentials
12. School Health System Cardea Primary Verifier Agent evaluates the vaccine credential(s) using the School Health System's DEG (Decentralized Ecosystem Governance).
13. If the vaccine credentials are acceptable, School Health System Cardea Primary Verifier Agent issues a Health Authorization credential to the Cardea Mobile Agent
14. Cardea Mobile Agent presents the Health Authorization credential offer to the User
15. User accepts the Health Authorization credential offer on the Mobile App

skinparam backgroundColor #fff
skinparam handwritten false

skinparam BoxPadding 10
skinparam ParticipantPadding 10

skinparam NoteFontSize 24
skinparam NoteBorderColor #f80
skinparam NoteBackgroundColor #fea

skinparam sequenceArrowThickness 1

skinparam sequence {
BoxFontSize 36
BoxBorderColor #555
BoxBackgroundColor #fbfbfb

ActorFontColor #333
ActorFontSize 24
ActorFontName Arial
ActorBorderColor #555
ActorBackgroundColor #ccc

ParticipantFontName Arial
ParticipantFontSize 24
ParticipantFontColor #333
ParticipantBorderColor #555
ParticipantBackgroundColor #eee

LifeLineBorderColor #ccc
LifeLineBackgroundColor #000

ArrowFontSize 24
ArrowColor #f80

DividerFontSize 24
}

actor User
participant "Mobile App" as Mobile
participant "School Health System Website" as Website
participant "School Health System Cardea Primary Verifier Agent" as Government

User -> Website: Open in a browser

Website -> Government: Request invitation URL

Government -> Website: Return invitation URL

Website -> Website: Display QR code

Mobile -> Website: Scan QR code

Mobile -> Government: Connect

Government -> Mobile: Request Health\nAnoncred credential

Mobile -> User: Request sharing of Health\nAnoncred credential

User -> Mobile: Authorize sharing of Health\nAnoncred credential

Mobile -> Government: Present Health\nAnoncred credential

Government -> Government: Interpret Health\nAnoncred credential

note over Government: Health Anoncred\npresentation stored\n on Government Enterprise\nAgent (optional)

Website -> Government: Poll for verification results

Government -> Website: Send passport details

Website -> Website: Collect and store user details

note over Website: User passport, travel,\ninsurance details stored\non School Health System Website

Website -> Government: Request to issue\nHealth Authorization\ncredential to User

Government -> Mobile: Offer Health\nAuthorization credential

Mobile -> User: Display Health Authorization\ncredential offer

User -> Mobile: User accepts credential

note over Mobile: Health Authorization credential\nstored on Mobile App

## Health Authorization Verification Workflow
1. Registration Office Cardea Secondary Verifier Agent displays an invitation URL as a QR code
2. User scans QR code with Cardea Mobile Agent
3. Cardea Mobile Agent connects to Registration Office Cardea Secondary Verifier Agent
4. Registration Office Cardea Secondary Verifier Agent requests Health Authorization credential
5. User consents to share the Health Authorization credential
6. Cardea Mobile Agent sends the Health Authorization credential to the Registration Office Cardea Secondary Verifier Agent
7. Registration Office Cardea Secondary Verifier Agent interprets the presentation using the School Health System's DEG (Decentralized Ecosystem Governance)
8. Both Cardea Mobile Agent and Registration Office Cardea Secondary Verifier Agent display the verification result

skinparam backgroundColor #fff
skinparam handwritten false

skinparam BoxPadding 10
skinparam ParticipantPadding 10

skinparam NoteFontSize 24
skinparam NoteBorderColor #f80
skinparam NoteBackgroundColor #fea

skinparam sequenceArrowThickness 1

skinparam sequence {
BoxFontSize 36
BoxBorderColor #555
BoxBackgroundColor #fbfbfb

ActorFontColor #333
ActorFontSize 24
ActorFontName Arial
ActorBorderColor #555
ActorBackgroundColor #ccc

ParticipantFontName Arial
ParticipantFontSize 24
ParticipantFontColor #333
ParticipantBorderColor #555
ParticipantBackgroundColor #eee

LifeLineBorderColor #ccc
LifeLineBackgroundColor #000

ArrowFontSize 24
ArrowColor #f80

DividerFontSize 24
}

actor User
participant "Mobile App" as Mobile
participant "Verifier Agent" as Verifier

Verifier -> Verifier: Display QR code

Mobile -> Verifier: Scan QR code

Mobile -> Verifier: Connect

Verifier -> Mobile: Request Health\nAuthorization credential

Mobile -> User: Request sharing of Health\nAuthorization credential

User -> Mobile: Authorize sharing of Health\nAuthorization credential

Mobile -> Verifier: Present Health\nAuthorization credential

Verifier -> Verifier: Interpret Health\nAuthorization credential

Verifier -> Mobile: Both agents display verification result

note over Verifier: Health Authorization\npresentation stored\n on Verifier\nAgent (optional)