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📚 Security Knowledge Base

Master the concepts behind the tools.

In-depth guides on cryptography, payment security, and HSM management.
All Guides (15) Key Management (3) Payment Security (5) Encryption (4) PKI & Certificates (3)

Featured Guides

Key Management

The Ultimate Guide to Key Splitting & KCV

Learn the mathematics behind XOR key splitting, understand Key Check Values (KCV), and master PCI DSS compliance for cryptographic key management.
8 min read
Key Management

TR-31 Key Block Format Explained

A comprehensive guide to ANSI X9.143 / TR-31 key block format, including structure, key usage codes, and practical encoding examples.
10 min read

Key Management

Key Management
The Ultimate Guide to Key Splitting & KCV
Apr 3 · 8 min
Key Management
TR-31 Key Block Format Explained
Apr 3 · 10 min
Key Management
HSM Key Management: Thales, Futurex, Atalla & SafeNet
Apr 3 · 12 min

Payment Security

Payment Security
MAC Algorithms in Payment Security: ISO 9797, HMAC & CMAC
Apr 3 · 10 min
Payment Security
Understanding PIN Block Formats (ISO 9564)
Apr 3 · 7 min
Payment Security
DUKPT Key Derivation: A Complete Tutorial
Apr 3 · 12 min
Payment Security
How CVV/CVC Values are Calculated
Apr 3 · 6 min

Encryption

Encryption
DES & 3DES: The Legacy Encryption Standard in Payments
Apr 3 · 9 min
Encryption
AES Encryption Explained: Modes, Padding & Best Practices
Apr 3 · 10 min
Encryption
RSA Encryption Guide: Keys, Padding & When to Use It
Apr 3 · 9 min
Encryption
ECC & ECDSA: Elliptic Curve Cryptography Explained
Apr 3 · 10 min

PKI & Certificates

PKI & Certificates
Hash Functions: MD5, SHA-256, BLAKE2 & When to Use Each
Apr 3 · 8 min
PKI & Certificates
ASN.1 & X.509 Certificates: A Practical Guide
Apr 3 · 11 min
PKI & Certificates
Base64 Encoding Explained: Standard, URL-Safe & Use Cases
Apr 3 · 7 min