@slachterman : Please find the response to your queries:
hadoop.kms.authentication.type = simple
output after giving verbose option -vvv with curl:
[root@hdp-dn02 ~]# curl -vvv -u keyadmin:keyadmin1 -X GET http://<KMSip>:9292/kms/v1/keys/names
* About to connect() to <KMSip> port 9292 (#0)
* Trying <KMSip>... connected
* Connected to <KMSip> port 9292 (#0)
* Server auth using Basic with user 'keyadmin'
>GET /kms/v1/keys/names HTTP/1.1
> Authorization: Basic a2V5YWRtaW46a2V5YWRtaW4x
> User-Agent: curl/7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.19.1 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2
> Host: <KMSip> :9292
> Accept: */*
>
< HTTP/1.1 401 Unauthorized
< Server: Apache-Coyote/1.1
< WWW-Authenticate: PseudoAuth
< Set-Cookie: hadoop.auth=; HttpOnly
< Content-Type: text/html;charset=utf-8
< Content-Language: en
< Content-Length: 997
< Date: Thu, 09 Feb 2017 06:11:26 GMT
<
* Connection #0 to host <KMSip> left intact
* Closing connection #0
<html><head><title>Apache Tomcat/7.0.68 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 401 - Authentication required</h1><HR size="1" noshade="noshade"><p><b>type</b> Status report</p><p><b>message</b> <u>Authentication required</u></p><p><b>description</b> <u>This request requires HTTP authentication.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/7.0.68</h3></body></html>
