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ntl /
Makefile
Revision
1.39:
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Sun Oct 24 07:56:31 2021 UTC (3 years, 3 months ago) by
wen
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MAIN
CVS tags:
pkgsrc-2022Q2-base,
pkgsrc-2022Q2,
pkgsrc-2022Q1-base,
pkgsrc-2022Q1,
pkgsrc-2021Q4-base,
pkgsrc-2021Q4,
HEAD
Update to 11.5.1
Upstream changes:
2021.06.23: Changes between NTL 11.5.0 and 11.5.1
Fixed bug that prevented compilation on IBM Z.
2021.06.20: Changes between NTL 11.4.4 and 11.5.0
Added a new configuration option NTL_RANDOM_AES256CTR. The default is off. Configure with NTL_RANDOM_AES256CTR=on to replace the default ChaCha20 Pseudo-Random Number Generator (PRNG) with 256-bit AES counter mode. On certain plaforms (modern x86 and IBM System/390x), special instructions are exploited to improve performance.
Using AES in place of ChaCha may break inter-operability of applications that depend on the behavior of the PRNG.
Using AES in place of ChaCha may affect the performance positively or negatively. On IBM System/390x, there is a marked performance improvement. On x86 there may be a moderate performance improvement or degredation. On any other platforms, where there is no hardware support for AES (or none that is exploited by NTL), there will likely be a marked performance degredation.
Thanks to Patrick Steuer for contributing this code.