The National Cryptographic Standards 4 Commonly Used Cryptographic Protocols Sharing Notice: White 17 4.1 IP Security (IPsec) 17 4.2 Transport Layer Security (TLS) 17 4.3 Domain Name System Security (DNSSEC) 18 4.4 Secure Shell (SSH) 18 4.5 Bluetooth 18 4.6 Universal Mobile Telecommunications System (UMTS) / Long Term Evolution (LTE) / 5G 19 4.7 WPA (Wi-Fi Protected Access) 19 4.8 Kerberos Protocol 19 5 Public Key Infrastructure (PKI) 20 5.1 Algorithms for Certificates 20 5.2 Validity of the Certificates 20 6 Key Lifecycle Management (KLM) 21 6.1 Key Protection and Lifetime 21 6.2 KLM Processes 21 7 Appendices 23 7.1 Pseudo Random Number Generation (PRNG) 23 7.2 Post-Quantum Cryptography 23 7.3 Side-channel Attacks 29 7.4 Definitions 25 7.5 Acronyms 29 Document Classification: Open 7