how to get key from <wrmheaders>

[CopyPasteDev]

I want to understand how keys extracted with playready pssh

<WRMHEADER xmlns="http://schemas.microsoft.com/DRM/2007/03/PlayReadyHeader" version="4.0.0.0"><DATA><PROTECTINFO><KEYLEN>16</KEYLEN><ALGID>AESCTR</ALGID></PROTECTINFO><KID>L/nXMizufidYJh/gLVKJmQ==</KID><CHECKSUM>7qSj9ul6F+s=</CHECKSUM><LA_URL>https://pr.drm.intigral-ott.net/PlayReady/rightsmanager.asmx</LA_URL><LUI_URL>https://pr.drm.intigral-ott.net/PlayReady/rightsmanager.asmx</LUI_URL></DATA></WRMHEADER>

I searched a lot but still couldn't get how its done

url

https://web.stctv.com/play?id=aHR0cDovL2RhdGEuZW50ZXJ0YWlubWVudC50di50aGVwbGF0Zm9ybS5ldS9lbnRlcnRhaW5tZW50L2RhdGEvUHJvZ3JhbUF2YWlsYWJpbGl0eS83NzMxMzM4NjQwMjc%3D&guid=MDI4X0lOVC1JTlRJR1JBTC1TRVJJRVMtUzAwMTE0MjA%3D

command from vineless

N_m3u8DL-RE "https://pop1e3.cdn.intigral-ott.net/bpk-token/4ar@dcprw4xo2f00pj3k43s234cn3pqyluv5ds51ynaa/bpk-vod/Titles/wv-pr/S0011420004054/S0011420004054/manifest.mpd?bkm-query" -H "Accept: */*" -H "DNT: 1" -H "Origin: https://web.stctv.com" -H "Referer: https://web.stctv.com/" -H "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36" --key 32d7f92fee2c277e58261fe02d528999:09f2b2b666aceffce596d79bbc1dd41e --use-shaka-packager  -M format=mkv  --save-name "STC TV"

found 2 license urls one before video played

headers = {
    'accept': '*/*',
    'accept-language': 'en-US,en;q=0.9',
    'content-type': 'text/plain;charset=UTF-8',
    'dnt': '1',
    'origin': 'https://web.stctv.com',
    'priority': 'u=1, i',
    'referer': 'https://web.stctv.com/',
    'sec-ch-ua': '"Google Chrome";v="147", "Not.A/Brand";v="8", "Chromium";v="147"',
    'sec-ch-ua-mobile': '?0',
    'sec-ch-ua-platform': '"Windows"',
    'sec-fetch-dest': 'empty',
    'sec-fetch-mode': 'cors',
    'sec-fetch-site': 'cross-site',
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36',
}

data = '{"domain":"web.stctv.com","key":"71234E7F-81D0-43D7-80C1-3C93C7B7ED80","version":"8.228.0"}'

response = requests.post('https://licensing.bitmovin.com/licensing', headers=headers, data=data)

2nd after video played

headers = {
    'accept': '*/*',
    'accept-language': 'en-US,en;q=0.9',
    'content-type': 'text/plain;charset=UTF-8',
    'dnt': '1',
    'origin': 'https://web.stctv.com',
    'priority': 'u=1, i',
    'referer': 'https://web.stctv.com/',
    'sec-ch-ua': '"Google Chrome";v="147", "Not.A/Brand";v="8", "Chromium";v="147"',
    'sec-ch-ua-mobile': '?0',
    'sec-ch-ua-platform': '"Windows"',
    'sec-fetch-dest': 'empty',
    'sec-fetch-mode': 'cors',
    'sec-fetch-site': 'cross-site',
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36',
}

data = '{"domain":"web.stctv.com","key":"71234E7F-81D0-43D7-80C1-3C93C7B7ED80","version":"8.228.0","type":"web:html5","platform":"generic"}'

response = requests.post('https://licensing.bitmovin.com/impression', headers=headers, data=data)

I just want to learn how to get keys for this kind of puzzel

saw vegeta's post
https://forum.videohelp.com/threads/404024-Get-PSSH-from-ism-manifest-with-ProtectionH...e2#post2644040
and white_snake's as well
https://forum.videohelp.com/threads/404024-Get-PSSH-from-ism-manifest-with-ProtectionH...e2#post2724179
larley's too
https://forum.videohelp.com/threads/414083-Get-PSSH-for-l3-py-with-PlayReady-headers#post2730475

but still without any result

if someone can extend a hand to help it would be so appreciated
thanks everyone

[johns0]

Please do not ask for help on downloading protected video files from streaming sites,this thread is closed.