> For the complete documentation index, see [llms.txt](https://martian1337.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://martian1337.gitbook.io/notes/security-engineering/cryptography-and-trust-infrastructure.md).

# Cryptography and Trust Infrastructure

Cryptography, key management, PKI and certificate lifecycle, secrets, and end-to-end encrypted messaging.

## Areas

* [Cryptography and Key Management](/notes/security-engineering/cryptography-and-trust-infrastructure/cryptography-and-key-management.md)
* [PKI and Certificate Lifecycle Management](/notes/security-engineering/cryptography-and-trust-infrastructure/pki-and-certificate-lifecycle-management.md)
* [Secrets Management](/notes/security-engineering/cryptography-and-trust-infrastructure/secrets-management.md)
* [Secure Messaging and End-to-End Encryption](/notes/security-engineering/cryptography-and-trust-infrastructure/secure-messaging-and-end-to-end-encryption.md)