1885
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master: 77%

Ran 25 Feb 2021 08:19PM UTC

Jobs 1

Files 457

Run time 1min

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Build # 1885

Build Type

push

travis-ci-com

Committed by

stefanberger

Commit Message

tpm2: Implement a cache for the private exponent D

Implement a cache for the private exponent 'D' so that we do not
have to recalculate 'D' every time an RSA key is used. For a cache
hit we now use ~17000 cycles and on a cache miss it needs around
130000 cycles. Previously it needed around 100000 cycles. Assuming
that keys will be reused and the cache is big enough (64 entries),
it seems well worth it.

This solution is better than extending the OBJECT with 'D' since
OBJECT is kept in the TPM's NVRAM and we would then need more
memory to store OBJECTs there.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>

Run Details

29004 of 37435 relevant lines covered (77.48%)

94255.44 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
2	1885.2 (COVERITY_SCAN_TOKEN=[secure] CONFIG="--with-openssl --prefix=/usr --with-tpm2 --enable-test-coverage" TARGET="install" NPROC="nproc")	25 Feb 2021 08:19PM UTC	0	77.48	Travis Job 1885.2

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