rakeshtripathy

rakeshtripathy

(UndefinedFunctionError) function :crypto.hmac/3 is undefined or private in OTP 24

Hello,

I have upgraded to OTP 24 and the application gives me below error.

2023-05-08T09:39:40.016516261Z ** (UndefinedFunctionError) function :crypto.hmac/3 is undefined or private
2023-05-08T09:39:40.016521861Z     (crypto 5.0.6.3) :crypto.hmac(:sha256, <<215, 151, 119, 26, 127, 8, 146, 85, 15, 210, 233, 150, 234, 49, 71, 114, 253, 119, 149, 8, 92, 166, 200, 71, 173, 68, 192, 10, 124, 239, 15, 252, 84, 185, 202, 48, 189, 229, 78, 102, 229, 58, 112, 117, 209, 144, 87, 238, 33, 56, ...>>, 'PUT\n\n\n40976\n\napplication/octet-stream\n\n\n\n\n\n\nx-ms-blob-type:BlockBlob\nx-ms-date:Mon, 08 May 2023 09:39:40 GMT\nx-ms-version:2014-02-14\n/test001/uploads/test/docs/test_create/6318/lfp.4d2bffda-5cd1-4d9a-b71a-8d7cd293c197.19f2a673-1f3a-4e06-9257-749b3c09a2b9.original.pdf')
2023-05-08T09:39:40.016528661Z     (erlazure 0.2) /app/deps/erlazure/src/erlazure.erl:756: :erlazure.get_shared_key/7
2023-05-08T09:39:40.016532861Z     (erlazure 0.2) /app/deps/erlazure/src/erlazure.erl:717: :erlazure.execute_request/2
2023-05-08T09:39:40.016537061Z     (erlazure 0.2) /app/deps/erlazure/src/erlazure.erl:530: :erlazure.handle_call/3
2023-05-08T09:39:40.016541161Z     (stdlib 3.17.2.2) gen_server.erl:721: :gen_server.try_handle_call/4
2023-05-08T09:39:40.016544962Z     (stdlib 3.17.2.2) gen_server.erl:750: :gen_server.handle_msg/6
2023-05-08T09:39:40.016548962Z     (stdlib 3.17.2.2) proc_lib.erl:226: :proc_lib.init_p_do_apply/3
2023-05-08T09:39:40.016567662Z Last message (from #PID<0.5946.0>): {:put_blob, 'uploads', 'test/docs/test_create/6318/lfp.4d2bffda-5cd1-4d9a-b71a-8d7cd293c197.19f2a673-1f3a-4e06-9257-749b3c09a2b9.original.pdf', :block_blob, <<37, 80, 68, 70, 45, 49, 46, 52, 10, 49, 32, 48, 32, 111, 98, 106, 10, 60, 60, 10, 47, 84, 105, 116, 108, 101, 32, 40, 254, 255, 0, 76, 0, 101, 0, 116, 0, 116, 0, 101, 0, 114, 0, 32, 0, ...>>, []}

Please help to resolve this issue.

Most Liked

al2o3cr

al2o3cr

A fix for this was merged a while back, but I’m not sure if it was packaged into a release:

https://github.com/dkataskin/erlazure/pull/33

LostKobrakai

LostKobrakai

rakeshtripathy

rakeshtripathy

currently I am using :plug_crypto, “1.2.5”, but I feel the issue is with erlazure and the errors comes while uploading files into azure storage.

Last Post!

D4no0

D4no0

I don’t think this has something to do with openssl 3, it is just a deprecated interface that was removed from OTP-24. Actually if you compile OTP-24 or OTP-25 with openssl 3 you get a warning that it is not fully supported yet.

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