Package com.wowza.wms.drm.cenc

Class CencInfo

Object
com.wowza.wms.drm.cenc.CencInfo
All Implemented Interfaces:
IDvrEncryptionInfo, com.wowza.wms.httpstreamer.util.IEncryptionInfo, Cloneable
public class CencInfo extends Object implements IDvrEncryptionInfo, com.wowza.wms.httpstreamer.util.IEncryptionInfo

  • Field Details

  • Constructor Details

    • CencInfo

      public CencInfo()

  • Method Details

    • setEncKeyBytes

      public void setEncKeyBytes(byte[] keyBytes)
      Sets the encryption content key as a byte buffer.
      Parameters:
      keyBytes - the encryption content key as a byte buffer

    • setEncKeyBytesList

      public void setEncKeyBytesList(List<byte[]> keyBytesList)

    • setKeyRotationType

      public void setKeyRotationType(int keyRotationType)

    • getKeyRotationType

      public int getKeyRotationType()

    • getIsRotatingKeys

      public boolean getIsRotatingKeys()

    • generateRandomKID

      public String generateRandomKID()

    • updateKey

      public void updateKey(long chunkId, int chunkDurationTarget)

    • setKeyPairs

      public void setKeyPairs(Map<Integer,com.wowza.wms.drm.cenc.CencInfo.KeyPair> keyPairs)

    • getKeyPairs

      public Map<Integer,com.wowza.wms.drm.cenc.CencInfo.KeyPair> getKeyPairs()

    • setKeyRotationInterval

      public void setKeyRotationInterval(int interval)

    • getEncKeyBytes

      public byte[] getEncKeyBytes()
      Specified by:
      getEncKeyBytes in interface com.wowza.wms.httpstreamer.util.IEncryptionInfo

    • isIVInChunklist

      public boolean isIVInChunklist()

    • setIVInChunklist

      public void setIVInChunklist(boolean ivInChunklist)

    • getURL

      public String getURL()

    • setURL

      public void setURL(String url)

    • getKeyFormat

      public String getKeyFormat()

    • setKeyFormat

      public void setKeyFormat(String keyFormat)

    • getKeyFormatVersion

      public String getKeyFormatVersion()

    • setKeyFormatVersion

      public void setKeyFormatVersion(String keyFormatVersion)

    • getEncKeyBytesList

      public List<byte[]> getEncKeyBytesList()

    • getEncKeyString

      public String getEncKeyString()

    • setIVBytes

      public void setIVBytes(byte[] encIVBytes)

    • getEncIVBytes

      public byte[] getEncIVBytes()
      Specified by:
      getEncIVBytes in interface com.wowza.wms.httpstreamer.util.IEncryptionInfo

    • swapKIDBytes

      public static byte[] swapKIDBytes(byte[] KID)

    • setKID

      public void setKID(String KID)
      Sets the encryption key id. String must be in uuid form "F6005DCF-7F93-4B8E-85C7-F977740DA059" (big endian)
      Parameters:
      KID - key id

    • setKID

      public void setKID(byte[] KIDbytes)
      Sets the encryption key id.
      Parameters:
      KIDbytes - key id byte array

    • setKIDsList

      public void setKIDsList(List<String> KIDList)
      Sets the list of encryption key id strings. Ids must be in uuid form "F6005DCF-7F93-4B8E-85C7-F977740DA059" (big endian)
      Parameters:
      KIDList - list of key id strings

    • getKID

      public String getKID()

    • getKIDBytes

      public byte[] getKIDBytes()

    • getKIDBytesSwapped

      public byte[] getKIDBytesSwapped()

    • getKIDsList

      public List<String> getKIDsList()

    • getKIDsBytesList

      public List<byte[]> getKIDsBytesList()

    • getKIDsBytesListSwapped

      public List<byte[]> getKIDsBytesListSwapped()

    • getAlgorithm

      public int getAlgorithm()

    • setScheme

      public void setScheme(String scheme)

    • getScheme

      public String getScheme()

    • isValid

      public boolean isValid()

    • getNameSpaceString

      public String getNameSpaceString()

    • getCencMp4ProtSchemeString

      public String getCencMp4ProtSchemeString()

    • getCencMpegTsProtSchemeString

      public String getCencMpegTsProtSchemeString()

    • addDRM

      public void addDRM(String hashKey, ICencDRMInfo drm)
      Adds a DRM system info instance to the list of DRM systems associated with the stream encryption. The hashKey should be some unique string to identify the DRM System, such as a concatenation of the DRM system's system name and systemId

      Example hashKey: "myDRM:12345678-1234-1234-1234-123456789123"

      Parameters:
      hashKey - hash key
      drm - the drm info instance

    • getDRMs

      public Map<String,ICencDRMInfo> getDRMs()

    • getEncRepeaterBytes

      public byte[] getEncRepeaterBytes()

    • setEncRepeaterBytes

      public void setEncRepeaterBytes(byte[] encRepeaterBytes)

    • setAppInstance

      public void setAppInstance(IApplicationInstance appInstance)

    • formatKID

      public static String formatKID(String KID)

    • loadFromKeyFile

      public static boolean loadFromKeyFile(IApplicationInstance appInstance, String streamName, CencInfo cencInfo, long chunkId, int contentType, int chunkDurationTarget, String keyFileParamPrefix)

    • loadHLSKEYParameters

      public static void loadHLSKEYParameters(Map<String,String> keyMap, String keyFileParamPrefix, CencInfo cencInfo)

    • getSerializeSize

      public int getSerializeSize()
      Description copied from interface: IDvrEncryptionInfo
      Return number of bytes required to serialize this encryption info.
      Specified by:
      getSerializeSize in interface IDvrEncryptionInfo
      Returns:
      number of bytes to serialize.

    • serialize

      public byte[] serialize()
      Description copied from interface: IDvrEncryptionInfo
      Serialize the encryption info, returning a byte buffer containing the serialized data.
      Specified by:
      serialize in interface IDvrEncryptionInfo
      Returns:
      byte buffer of serialized data

    • serialize

      public int serialize(byte[] buffer, int pos)
      Description copied from interface: IDvrEncryptionInfo
      Serialize the encryption info into buffer starting at position 'pos'.
      Specified by:
      serialize in interface IDvrEncryptionInfo
      Parameters:
      buffer - buffer to serialize to
      pos - position to start serializing
      Returns:
      new position into buffer

    • deserialize

      public static CencInfo deserialize(byte[] data)

    • deserialize

      public static CencInfo deserialize(ByteBuffer buffer)

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • getPSSHVersion

      public int getPSSHVersion()

    • setPSSHVersion

      public void setPSSHVersion(int psshVersion)

    • getPSSHFlags

      public int getPSSHFlags()

    • setPSSHFlags

      public void setPSSHFlags(int psshFlags)

    • getEncryptionType

      public int getEncryptionType()
      Description copied from interface: IDvrEncryptionInfo
      Serialize encryption info.

      The encryption should consist of the following:

      • version (1 byte)
      • encryption type (1 byte)
      • length of 'blob' (2 bytes)
      • byte blob (n bytes)
      Specified by:
      getEncryptionType in interface IDvrEncryptionInfo
      Returns:
      encryption type (constants defined in this class)

    • clone

      public Object clone() throws CloneNotSupportedException
      Specified by:
      clone in interface IDvrEncryptionInfo
      Overrides:
      clone in class Object
      Throws:
      CloneNotSupportedException

    • doIVRandom

      public void doIVRandom()