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Type: Improvement
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Resolution: Works as Designed
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Priority: Minor - P4
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None
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Affects Version/s: None
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Component/s: auth
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None
Our OpenSSL implementation of HMAC SHA1 and HMAC SHA256 use the OpenSSL HMAC function:
https://github.com/mongodb/mongo-c-driver/blob/r1.13/src/libmongoc/src/mongoc/mongoc-crypto-openssl.c#L38
According to the OpenSSL docs, this has been deprecated since OpenSSL 1.1.0.