Disable OpenSSL EVP digest padding in pgcrypto
The PX layer in pgcrypto is handling digest padding on its own uniformly
for all backend implementations. Starting with OpenSSL 3.0.0, DecryptUpdate
doesn't flush the last block in case padding is enabled so explicitly
disable it as we don't use it.
This will be backpatched to all supported version once there is sufficient
testing in the buildfarm of OpenSSL 3.
Reviewed-by: Peter Eisentraut, Michael Paquier
Discussion: https://postgr.es/m/FEF81714-D479-4512-839B-C769D2605F8A@yesql.se
Backpatch-through: 9.6
Branch
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REL_10_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/e802b594e7946d7fea9302f2231943c36255e084
Modified Files
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contrib/pgcrypto/openssl.c | 4 ++++
1 file changed, 4 insertions(+)