Marshall, B., Newell, G. R., Page, D., Saarinen, M.-J. O., & Wolf, C. (2020). The design of scalar AES Instruction Set Extensions for RISC-V. IACR Transactions on Cryptographic Hardware and Embedded Systems, 2021(1), 109-136. https://doi.org/10.46586/tches.v2021.i1.109-136