GCM is typically implemented in Intel assembler with the PCLMULQDQ instruction https://www.intel.com/content/dam/www/public/us/en/documents/software-support/en

GCM is typically implemented in Intel assembler with the PCLMULQDQ instruction https://www.intel.com/content/dam/www/public/us/en/documents/software-support/enabling-high-performance-gcm.pdf https://www.intel.com/content/dam/www/public/us/en/documents...