ELCA: Introducing Enterprise-level Cryptographic Agility for a Post-Quantum Era. - Dimitrios Sikeridis; David Ott; Sean Huntley; Shivali Sharma; Vasantha Kumar Dhanasekar; Megha Bansal; Akhilesh Kumar; Anwitha U. N; Daniel Beveridge; Sairam Veeraswamy (IACR Cryptol. ePrint Arch., 2023)