grated Performance Primitives (Intel® IPP) crypto library, CryptoMB Private Key Provider Method support in Envoy, and Private Key Provider configuration in Istio using <code>ProxyConfig</code>.</p><h2 id=cryptomb>CryptoMB</h2><p>The Intel IPP <a href=https://github.com/intel/ipp-crypto/tree/develop/sources/ippcp/crypto_mb>crypto library</a> supports multi-buffer crypto operations. Briefly, multi-buffer cryptography is implemented with Intel® Advanced Vector Extensions 512 (Intel® AVX-512) instructions us