Clear the OpenSSL error queue before cryptohash operations
Setting up an EVP context for ciphers banned under FIPS generate
two OpenSSL errors in the queue, and as we only consume one from
the queue the other is at the head for the next invocation:
postgres=# select md5('foo');
ERROR: could not compute MD5 hash: unsupported
postgres=# select md5('foo');
ERROR: could not compute MD5 hash: initialization error
Clearing the error queue when creating the context ensures that
we don't pull in an error from an earlier operation.
Discussion: https://postgr.es/m/C89D932C-501E-4473-9750-638CFCD9095E@yesql.se
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/17ec5fa502d299b1919b1afacda839fb7d8206ad
Modified Files
--------------
src/common/cryptohash_openssl.c | 9 +++++++++
src/common/hmac_openssl.c | 4 ++++
2 files changed, 13 insertions(+)
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