s390x: Add hardware acceleration for full AES-XTS The CPACF instruction KM provides support for accelerating the full AES-XTS algorithm on newer machines for AES_XTS_128 and AES_XTS_256.
s390x: Add hardware acceleration for full AES-XTS The CPACF instruction KM provides support for accelerating the full AES-XTS algorithm on newer machines for AES_XTS_128 and AES_XTS_256. Preliminary measurements showed performance improvements of up to 50%, dependent on the message size. Signed-off-by: Holger Dengler <dengler@linux.ibm.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/25414)
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