Still Failing: openssl/openssl#25172 (master - e9f148c)
builds at travis-ci.org
Sat May 18 06:21:52 UTC 2019
Build Update for openssl/openssl
Status: Still Failing
Duration: 19 mins and 2 secs
Commit: e9f148c (master)
Author: Daniel Axtens
Message: ppc assembly pack: always increment CTR IV as quadword
The kernel self-tests picked up an issue with CTR mode. The issue was
detected with a test vector with an IV of
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFD: after 3 increments it should wrap
around to 0.
There are two paths that increment IVs: the bulk (8 at a time) path,
and the individual path which is used when there are fewer than 8 AES
blocks to process.
In the bulk path, the IV is incremented with vadduqm: "Vector Add
Unsigned Quadword Modulo", which does 128-bit addition.
In the individual path, however, the IV is incremented with vadduwm:
"Vector Add Unsigned Word Modulo", which instead does 4 32-bit
additions. Thus the IV would instead become
FFFFFFFFFFFFFFFFFFFFFFFF00000000, throwing off the result.
This was probably a typo originally, what with q and w being
Reviewed-by: Richard Levitte <levitte at openssl.org>
Reviewed-by: Paul Dale <paul.dale at oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8942)
View the changeset: https://github.com/openssl/openssl/compare/3e4e43e609d6...e9f148c9356b
View the full build log and details: https://travis-ci.org/openssl/openssl/builds/534096109?utm_medium=notification&utm_source=email
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