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US 11,122,020 B2Granted
Streaming image encryption method and computer program, streaming image decryption method and computer program
AssigneeHanwha Techwin Co., Ltd.
InventorsYoung Hun Hong, Gun Soo Kim, Gyu Tae Lee, Jeong Sik Yun
Life of this patent
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Abstract
A method of decrypting a streaming image includes: receiving a packet including at least an item which is encrypted, the item including at least one parameter used for decoding image data included in the streaming image; decrypting the item; and decoding the image data included in the streaming image based on the decrypted item, wherein the image data is not encrypted.
Claims12
A method of decrypting a streaming image, the method comprising:
- receiving a packet comprising at least an item which is encrypted, the item comprising at least one parameter used for decoding image data included in the streaming image, wherein the packet is a control response packet received from an image transmitting device as a response to a command of an image receiving device for controlling reproduction of the streaming image;
- decrypting the item;
- receiving an image packet including at least a portion of the image data;
- and
- decoding the at least the portion of the image data based on the decrypted item,
- wherein the at least the portion of the image data is not encrypted.
3 more elements
A method of encrypting a streaming image, the method comprising:
- generating a packet by encrypting at least an item which is encrypted, the item comprising at least one parameter used for decoding image data included in the streaming image, wherein the packet is a control response packet transmitted to an image receiving device as a response to a command of the image receiving device for controlling reproduction of the streaming image;
- and
- transmitting the packet comprising the encrypted item to the image receiving device;
- and
- transmitting an image packet including at least a portion of the image data, wherein the at least the portion of the image data is not encrypted.
2 more elements
Dependencies are inferred from the claim text.