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What are we trying to accomplish?
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Classroom Contents
Cunning With CNG - Soliciting Secrets From Schannel
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- 1 Intro
- 2 Black Hat Sound Bytes
- 3 Disclaimer
- 4 The infamous TLS Handshake
- 5 Perfect Forward Secrecy
- 6 Schannel & CNG
- 7 Schannel Prefered Cipher Suites
- 8 Microsoft's TLS/SSL Docs
- 9 Schannel Ops
- 10 CNG Key Isolation
- 11 Background Summary
- 12 What are we trying to accomplish?
- 13 The keys? What do they get us?
- 14 Session Keys
- 15 The Norypt SSL Provider (ncryptsslp.dll)
- 16 Pre-Master Secret (PMS)
- 17 Master Secret Mapped to Unique Identifier
- 18 Ephemeral & Persistent Private keys
- 19 9 Ephemeral Private Key
- 20 1 Persistent Private key
- 21 7 Decrypting Persistent Key - DPAPI
- 22 Session Ticket key
- 23 Decrypting Session Tickets
- 24 Inherent Metadata TLS Provides
- 25 Schannel Caching Parameters
- 26 This is your Schannel Cache (x64)
- 27 Limitations
