~/talk

Bring Your Own Token to Replace the Traditional Smartcards for Strong Authentication and Signing

Talkat Black Hat Europe 2019 · 2019-12-02..12-05· [security, cryptography]
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Cisco replaces badge-based smartcards with a Bring-Your-Own-Token system using YubiKey 4/5 (firmware ≥4.3.5) and PIV/CCID, adds a self-service Crypto ID portal and client that performs key generation, attested provisioning and AD certificate publishing, drops provisioning from ~2 weeks to under 5 minutes, eliminates a ~$350k/year CMS bill, and equips ~2,000 Windows admins for smartcard logon, TLS client auth, SSH and S/MIME (S/MIME keys escrowed in HSM). Key limits: strict firmware whitelist/blacklist, attestation and PIN/PUK handling, single-active-token policy and per-vendor middleware work.

AI-written summary · about

  1. 0:00Start
  2. 19:31SIMPLE
  3. 23:48MASTER WAYNE
  4. 26:17Consider Key Escrow for S/MIME Certificates
  5. 41:56Thank you!
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