The Linux 7.1 kernel is receiving cryptography subsystem improvements via a pull from Google's Eric Biggers. Hashing algorithms are being migrated from the traditional crypto subsystem to the new lib/crypto/ area, simplifying implementations and enabling more optimizations by default. AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, AES-CBC-MAC) and GHASH now have optimizations enabled by default. Additionally, SHA-256 performance on Zhaoxin CPUs is improved via the Padlock Hash Engine, and outdated MD5 implementations are being dropped.
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