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Best Practice Uploading a Media File to VOD Setting a Video Thumbnail Configuring Hotlink Protection to Control Who Can Play Media Protecting Videos with HLS Encryption 05 APIs VOD provides you with APIs for uploading, transcoding, and encrypting media files, capturing snapshots,
HLS Encryption Settings Hotlink protection prevents unauthorized users from downloading and playing videos, but cannot prevent malicious paid users from downloading videos to their local PCs for secondary distribution. For this purpose, VOD provides HLS encryption. Encrypted videos
Does HLS Encryption Provide One Key for Each Video? Will the Key Expire? Yes. One HLS video corresponds to one key, which will never expire. If the video is re-encrypted, a new key will be generated. For details, see HLS Encryption Settings. Parent topic: Security
Can Audio Files Be Encrypted During HLS Encryption? Yes. However, you need to transcode the audio files to the HLS format. Configure a transcoding template as highlighted in Figure 1. Figure 1 HLS transcoding template Before transcoding, you need to set up the key management service
What Are the Differences Between HLS Encryption and Hotlink Protection? HLS encryption: TS data in the M3U8 file is encrypted. Before playback, the player requests the encryption key via the encryption key address and it can play audio and video only after the correct decryption key
Protecting Videos with HLS Encryption Environment Preparation You have downloaded the SDK. Scenario Description Hotlink protection prevents unauthorized users from downloading or playing VOD content. However, this cannot prevent malicious paid users from downloading the content to
