Alastria Digital Identity: the Spanish Blockchain solution for SSI ...

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Alastria Digital Identity: the Spanish
Blockchain solution for SSI
Carlos Pastor - Alastria Digital Identity Commission Le...

1. Empower global SSI communities
2. Open to everyone interested in SSI
3. All content is shared with CC BY SA
SSIMeetup.o...

What is needed: a user centric, easy to use, safe, lawful, digital
identity model
The solution: A Self Sovereign Identity ...

World’s first nation-wide, multi-sectoral,
enterprise grade, permissioned, open
Blockchain network
¡HOLA, ALASTRIA!
… made...

Suppliers
Factories
Logistics Logistics Retailer
Final
product
Customer
Social
networks
Usage
data
Blockchain
Self-Soverei...

Self Sovereign Identity - SSI
Alastria Id: an SSI inspired, GDPR compliant, Identity Management solution
SSIMeetup.org

The roles
User
Alastria ecosystem
Blockchain infrastructure
Coopetitive ecosystem
Data owner
Requires Attestations and
pro...

1
2
3
The roles User
Attesters Alastria ecosystem Service providers
Require authentication and
other user attributes to
pr...

Claves (generación) Claims Attestations
B
E
G
G
E
3
1
Information
Hub storage
Doc Manager
Verificaciones
ok
User identity ...

Smarts Contracts
ID Manager
Proxy
Registry
Storage
PersonalD
ATA
Alastria
(Blockchain)
Registry of
Attestations
Claims
Tra...

Identity
Alastria Id Specification Overview
SSIMeetup.org

Alastria Blockchain
Alastria ID
Registered hashes
and status: Valid,
AskIssuer, Revoked,
Deleted
Service
Provider
Id Gener...

Alastria Id – Primitive Actions
On-Chain & Off-Chain
• Alastria Id Generation
• Authentication
• Public Keys
Generation, R...

Attestation
Issuers
Core Attributes
Other Attributes
Service
Provider
Id Generation
Signed Claim (LoAs)
Authentication: Th...

•Metaidentity Manager
• Manages the relationship between public-private subject keys and Proxy
•Proxy
• Acts on behalf of ...

Alastria Id – Attestation
Header:
@context: http://schema.org
@type: Person
Subject:
SubjectAlastriaID: SubjectProxyAddres...

IssuerSignature: IssuerSignature
ClaimDates:
InitialClaimDate: 2018-04-20/12:00
EndClaimDate: 2023-04-20/12:00
Recipient:
...

• Subject should be able to register (the hash of) an attestation.
• Registration is made on the Blockchain by the Registr...

AttestationHash & Revocation Hash: Dual Hashing
•AttestationHash
Uses complete attestation
(including Issuer signature)
He...

Service
Provider
Signed Attestation (LoA)
Who am I?
How am I?
What can I do?
ALASTRIA ID
AttHash & RevHash Subject
Alastri...

AlastriaId generation
Sesion
Manager
¿CAS – Hydra?
WebApp
Alastria Id
User
Password
Private/Public Keys
GateWay
2
2a
5
3
6...

Alastria Id Authentication
Sesion
Manager
¿CAS – Hydra?
WebApp
Alastria Id
Usuario
Password
Private/Public Keys
GateWay
2
...

Gateway
•In a permissioned network as Alastria, only permissioned nodes run by
members can have direct Blockchain access.
...

Alastria Digital Identity: the Spanish
Blockchain solution for SSI
Carlos Pastor - Alastria Digital Identity Commission Le...

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