cng
4 posts tagged cng.
-
A Key Is Only as Unguessable as the Dice That Made It: Inside the Windows CSPRNG
Every software secret Windows makes is drawn from one CSPRNG. Trace the entropy, the SP 800-90A CTR_DRBG, ProcessPrng, and where the OS stops rolling the dice.
-
Rotating Every Cipher: SChannel and the Twenty-Year Algorithm-Agility Story of Windows TLS
How one Windows DLL rotated every TLS primitive from RC4 to ML-KEM without breaking IIS, RDP, SQL Server, or .NET SslStream -- and why Vista's 2007 CNG was the inflection point.
-
CNG Architecture: BCrypt, NCrypt, KSPs, and How Windows Picks Its Algorithms
A guided tour of the Cryptography API: Next Generation -- the two-tier API, the Key Storage Provider model, the FIPS toggle, and how PQC slots in.
-
Post-Quantum Cryptography on Windows: The Thirty-Year Migration That Just Arrived
How NIST FIPS 203/204/205 reaches the Windows platform via SymCrypt, CNG, Schannel, and .NET 10 -- the algorithm internals, the wire format, the migration timeline, and the honest accounting.