Class CDM

constructor

• new CDM(device: Device): CDM

  Widevine Content Decryption Module (CDM) instance

  Parameters

  • device: Device

    Device instance

  Returns CDM

device

close

• close(sessionId: string): void

  Close session

  Parameters

  • sessionId: string

    Session ID

  Returns void

getLicenseChallenge

• getLicenseChallenge(
      sessionId: string,
      pssh: PSSH,
      licenseType?: LicenseType,
      privacyMode?: boolean,
  ): Uint8Array

  Get license request (challenge)

  Parameters

  • sessionId: string

    Session ID

  • pssh: PSSH

    PSSH object

  • licenseType: LicenseType = LicenseType.STREAMING

    License type (default - STREAMING)

  • privacyMode: boolean = true

    Encrypt the Client ID using service certificate (If service certificate is set)

  Returns Uint8Array

getServiceCertificate

• getServiceCertificate(sessionId: string): SignedDrmCertificate | null

  Get service certificate of session

  Parameters

  • sessionId: string

    Session ID

  Returns SignedDrmCertificate | null

open

• open(): string

  Open session

  Returns string

parseLicense

• parseLicense(sessionId: string, licenseResponse: Uint8Array): Key[]

  Get keys from license response

  Parameters

  • sessionId: string

    Session ID

  • licenseResponse: Uint8Array

    License response

  Returns Key[]

setServiceCertificate

• setServiceCertificate(
      sessionId: string,
      certificate?: Uint8Array<ArrayBufferLike>,
  ): string | null

  Set service certificate for privacy mode

  Parameters

  • sessionId: string

    Session ID

  • Optionalcertificate: Uint8Array<ArrayBufferLike>

    Service certificate (If none remove current)

  Returns string | null

StaticderiveContext

• deriveContext(message: Uint8Array): Uint8Array<ArrayBufferLike>[]

  Compute context for AES and HMAC keys

  Parameters

  • message: Uint8Array

  Returns Uint8Array<ArrayBufferLike>[]

StaticderiveKeys

• deriveKeys(
      encContext: Uint8Array,
      macContext: Uint8Array,
      key: Uint8Array,
  ): Uint8Array<ArrayBufferLike>[]

  Compute keys from context and key

  Parameters

  • encContext: Uint8Array
  • macContext: Uint8Array
  • key: Uint8Array

  Returns Uint8Array<ArrayBufferLike>[]

StaticencryptClientId

• encryptClientId(
      clientId: ClientIdentification,
      serviceCertificate: SignedDrmCertificate,
      key?: Uint8Array<ArrayBufferLike>,
      iv?: Uint8Array<ArrayBufferLike>,
  ): EncryptedClientIdentification

  Encrypt Client ID with Service certificate

  Parameters

  • clientId: ClientIdentification
  • serviceCertificate: SignedDrmCertificate
  • Optionalkey: Uint8Array<ArrayBufferLike>
  • Optionaliv: Uint8Array<ArrayBufferLike>

  Returns EncryptedClientIdentification