Hi devs!

First was tried to found any background about missed[1] support of
RSA-SHA1 signatures for OAuth, because it was disabled since the first
commit[2] about couch_http_oauth module.

Good thoughts comes later and I'd found another old commit[3] for
erlang-oauth module that explain some things, but is it still actual
and what are these "older Erlang versions"?

Thanks!

[1]: https://git-wip-us.apache.org/repos/asf?p=couchdb.git;a=blob;f=src/couchdb/couch_httpd_oauth.erl#l282
[2]: https://git-wip-us.apache.org/repos/asf?p=couchdb.git;a=blob;f=src/couchdb/couch_httpd_oauth.erl;h=f542a989fd63300f283dc33ca41a2e0acb434ee4;hb=8e2215ee6306b0f4c13553796d401e9f5f93bcb6#l160
[3]: https://git-wip-us.apache.org/repos/asf?p=couchdb.git;a=commit;h=4f464fc5cfae0649a2fbd0aa563a0fb53bb63542

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,,,^..^,,,