[Contribution Request] Security & Cryptography

This is the call for contribution for the feature [Security & Cryptography](https://eclipse-score.github.io/score/main/features/security_crypto/index.html).

If you plan to contribute an implementation please create a subticket to this epic.

Reference: #905

**Acceptance criteria:**
- [x] All contributions are announced 1 week prior to the workshop
- [ ] Contribution is made available as a PR to the [incubation repo - todo](https://github.com/eclipse-score/.eclipsefdn/pull/123), including a summary of the contribution with the following information:
- High-level architecture of the implementation
- Relation to the goals defined in the feature request
- [x] Per contribution a 30 min pitch is held during the workshop
- [ ] Consensus on contribution is reached within 4 weeks after the pitch (fallback voting by TLs afterwards)