Guard Bands

github.comtool

Cryptographic data boundary for LLM applications: untrusted content is wrapped in HMAC-SHA256 or Ed25519 signed markers that bind provenance, lifetime and application context, and the verifier reconstructs that context from trusted state before a protected path proceeds…

from

Prompt Injection

added

2026-10-10

likes

0

Prompt Injection › Tools: “Cryptographic data boundary for LLM applications: untrusted content is wrapped in HMAC-SHA256 or Ed25519 signed markers that bind provenance, lifetime and application context, and the verifier reconstructs that context from trusted state before a protected path proceeds…”