VideoHelp Forum

Try DVDFab and download streaming video, copy, convert or make Blu-rays,DVDs! Download free trial !
+ Reply to Thread
Results 1 to 11 of 11
Thread
  1. what i have access to:

    full encrypted video file (video_132_0_600.mp4) near about a GB
    full encrypted audio file (audio_7407_0_1102.mp4).

    mpd file which has cenc pssh keys

    Code:
    <Period id="0">
        <AdaptationSet id="0" contentType="video" maxWidth="1920" maxHeight="1080" frameRate="16000/544" par="16:9">
          <ContentProtection value="cenc" schemeIdUri="urn:mpeg:dash:mp4protection:2011" cenc:default_KID="2f1a9e8c-9df2-500d-a772-2d5bde624c78"/>
          <ContentProtection schemeIdUri="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed">
            <cenc:pssh>AAAAUnBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAADIiKnZkb2NpcGhlcjoxYzNkM2M0OGNkNmM0YWYyOGY0MWQ1NmFkMTZkMDUxN0jj3JWbBg==</cenc:pssh>
          </ContentProtection>
          <Representation id="0" bandwidth="479601" codecs="avc1.64001f" mimeType="video/mp4" sar="1:1" width="1280" height="720">
            <BaseURL>video_132_0_600.mp4</BaseURL>
            <SegmentBase indexRange="979-6638" timescale="16000">
              <Initialization range="0-978"/>
            </SegmentBase>
          </Representation>
    what i tried so far?

    i used mp4decrypt.

    mp4decrypt --key KID:PSSH input.mp4 output.mp4

    output.mp4 is generated without any errors but the video is still blank.
    Quote Quote  
  2. Nothing within the mpd can directly be used with mp4decrypt.
    Quote Quote  
  3. what other details i need to decrypt? and which software will decrypt?
    Quote Quote  
  4. Average video editor Sviests's Avatar
    Join Date
    Sep 2018
    Location
    USA,Sweden
    Search Comp PM
    You can only decrypt it if you know the original base64 key that was used to encrypt it in first place.
    Or if you have enough coding skills to write the code yourself.
    Quote Quote  
  5. in which file it will be present? can we access it anyway using developer tools??
    Quote Quote  
  6. If you find any solution please share
    Quote Quote  
  7. me too I want to know how can I get key of encryption by kid key
    Quote Quote  
  8. Originally Posted by farafero21 View Post
    me too I want to know how can I get key of encryption by kid key
    some tells MPD or license link is enough to decrypt using mp4 decrypt
    but it did not works for me
    Quote Quote  
  9. yes I know mpd isn't enough to decrypt movie it gives me kid key it isn't key itself so I can't decrypt the movie. i want to know which elements that envolved in mpd file that could help me to decrypt the movies
    Quote Quote  
  10. Originally Posted by ThunderRanger View Post
    Originally Posted by farafero21 View Post
    me too I want to know how can I get key of encryption by kid key
    some tells MPD or license link is enough to decrypt using mp4 decrypt
    but it did not works for me
    yes I know mpd isn't enough to decrypt movie it gives me kid key it isn't key itself so I can't decrypt the movie. i want to know which elements that envolved in mpd file that could help me to decrypt the movies
    Quote Quote  
  11. Originally Posted by farafero21 View Post
    Originally Posted by ThunderRanger View Post
    Originally Posted by farafero21 View Post
    me too I want to know how can I get key of encryption by kid key
    some tells MPD or license link is enough to decrypt using mp4 decrypt
    but it did not works for me
    yes I know mpd isn't enough to decrypt movie it gives me kid key it isn't key itself so I can't decrypt the movie. i want to know which elements that envolved in mpd file that could help me to decrypt the movies
    I don't know it has key or not
    ?content_id=90011

    Response is


    �
    *
    ��JҀ@�]~���ς���JҀ@�]~���ς� (f�����k��y�8�\�P�s�U�"�^��D��$a}l� E��v\c�x�_o���z�
    R{�=
    ��$Zc��A{ ��E������Y�XT����� N
    �P�֕>YP���/E��1fb
    ^����h���� z�S���d�&�����������LJ���� (bHDN
    �,���X4�4�ׅ���� rkб�0�q �, _SRk�_c��6������
    ���yC{C�� (bSDQ
    j�BXh]Xd�����.�*���,�[�M��� �����6P��0~�rǙū��ݽ۟w� (bAUDIO �Œ�8�ܕ�P �Ȅ5�_RS�4���p����00��{;I�.s"����#ZE� �bu�������;1XN����K�*/m�[��f��co8X�L���.-M�.��^(��4[d�U�e�V�TRp�6{[��I�3���=a�؃2���R;�ZՅ<��'" ���&
    � zb(�A���B��꣓+i[7��.�鹜��M�?���P,����ؼIj╍��z*{7��*D�D��f�DO Z�j�����$ �g��s������h��
    /��M�B��e��T�
    Quote Quote  



Similar Threads