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AES-GCM enabled with AVX512 vAES and vPCLMULQDQ.
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Vectorized 'stitched' encrypt + ghash implementation of AES-GCM enabled
with AVX512 vAES and vPCLMULQDQ instructions (available starting Intel's
IceLake micro-architecture).

The performance details for representative IceLake Server and Client
platforms are shown below

Performance data:
OpenSSL Speed KBs/Sec
Intel(R) Xeon(R) Platinum 8380 CPU @ 2.30GHz (1Core/1Thread)
Payload in Bytes       16          64        256         1024        8192      16384
AES-128-GCM
  Baseline      478708.27   1118296.96  2428092.52  3518199.4   4172355.99  4235762.07
  Patched       534613.95   2009345.55  3775588.15  5059517.64  8476794.88  8941541.79
  Speedup            1.12         1.80        1.55        1.44        2.03        2.11

AES-256-GCM
  Baseline      399237.27   961699.9    2136377.65  2979889.15  3554823.37  3617757.5
  Patched       475948.13   1720128.51  3462407.12  4696832.2   7532013.16  7924953.91
  Speedup            1.19        1.79         1.62        1.58        2.12        2.19
Intel(R) Core(TM) i7-1065G7 CPU @ 1.30GHz (1Core/1Thread)
Payload in Bytes       16          64        256         1024        8192      16384
AES-128-GCM
  Baseline      259128.54   570756.43   1362554.16  1990654.57  2359128.88  2401671.58
  Patched       292139.47   1079320.95  2001974.63  2829007.46  4510318.59  4705314.41
  Speedup            1.13        1.89         1.47        1.42        1.91        1.96
AES-256-GCM
  Baseline      236000.34   550506.76   1234638.08  1716734.57  2011255.6   2028099.99
  Patched       247256.32   919731.34   1773270.43  2553239.55  3953115.14  4111227.29
  Speedup            1.05        1.67         1.44        1.49        1.97        2.03

Reviewed-by: TJ O'Dwyer, Marcel Cornu, Pablo de Lara
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from #17239)
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amatyuko-intc authored and t8m committed Feb 10, 2022
1 parent 1cc94e2 commit 63b996e
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Expand Up @@ -50,6 +50,10 @@ OpenSSL 3.1

*Felipe Gasper*

* AES-GCM enabled with AVX512 vAES and vPCLMULQDQ.

*Tomasz Kantecki, Andrey Matyukov*

* The default SSL/TLS security level has been changed from 1 to 2. RSA,
DSA and DH keys of 1024 bits and above and less than 2048 bits and ECC keys
of 160 bits and above and less than 224 bits were previously accepted by
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