White Paper (NIST CSWP 39) by NIST on crypto agility.
From the abstract of the white paper:
“Cryptographic (crypto) agility refers to the capabilities needed to replace and adapt cryptographic algorithms in protocols, applications, software, hardware, firmware, and infrastructures while preserving security and ongoing operations. This white paper provides an in-depth survey of current approaches to achieving crypto agility. It discusses challenges and trade-offs and identifies approaches for providing operational mechanisms to achieve crypto agility. It also highlights critical working areas that require additional consideration.”
Published on December 19th 2025
White Paper, more information and origin of text: https://csrc.nist.gov/pubs/cswp/39/considerations-for-achieving-cryptographic-agility/final
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