Secrets & Configuration Management: HashiCorp Vault Architecture
Architect enterprise secrets infrastructure: Vault storage backends with Raft consensus, Shamir's (k, n) Secret Sharing unsealing, Auto-Unseal with Cloud KMS, Transit Encryption-as-a-Service, and the dynamic credential lease lifecycle.
01.1. The Vault Architecture & The Cryptographic Barrier
HashiCorp Vault is the industry standard for centralized secrets management, dynamic credential issuance, and data encryption.
The Cryptographic Barrier & Storage Decoupling:
Vault decouples its logical processing from physical storage (using Integrated Raft Storage or Consul):
- All data written to the storage backend passes through an AES-256-GCM Cryptographic Barrier.
- The physical storage backend contains only encrypted ciphertext blobs. Even if an attacker gains physical access to the raw disk or Raft database files, they cannot read a single secret or key without the Master Encryption Key.
HashiCorp Vault Unsealing & Secrets Engine Architecture 🏛️
HashiCorp Vault Unsealing & Secrets Engine Architecture 🏛️
The cryptographic barrier, Shamir's threshold reconstruction, Cloud KMS auto-unsealing, and secrets engine execution.
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