US 12,015,711 B2
Data security processing terminal and system
Jialiang Kang, Shanghai (CN); Jien Zhou, Shanghai (CN); and Xi Shen, Shanghai (CN)
Assigned to CHINA UNIONPAY CO., LTD., Shanghai (CN)
Appl. No. 17/619,725
Filed by CHINA UNIONPAY CO., LTD., Shanghai (CN)
PCT Filed Jul. 10, 2020, PCT No. PCT/CN2020/101239
§ 371(c)(1), (2) Date Dec. 16, 2021,
PCT Pub. No. WO2021/004519, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 201910624415.9 (CN), filed on Jul. 11, 2019.
Prior Publication US 2022/0360443 A1, Nov. 10, 2022
Int. Cl. H04L 9/32 (2006.01); G06F 16/583 (2019.01); H04L 9/06 (2006.01)
CPC H04L 9/321 (2013.01) [G06F 16/583 (2019.01); H04L 9/0618 (2013.01); G06F 2221/031 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A data security processing terminal, comprising:
an image acquisition device configured to acquire image data and transmit the image data to a Trust Execution Environment through a secure channel;
an image acquisition driver operating in the Trust Execution Environment and configured to drive, in response to a drive instruction, the image acquisition device to acquire the image data;
a hardware processor operating in the Trust Execution Environment and configured to send the drive instruction to the image acquisition driver, obtain the image data, encrypt the image data using a stored first key to obtain image ciphertext data, and output the image ciphertext data,
wherein the hardware processor is further configured to output image verification auxiliary information obtained based on the image data, and the image verification auxiliary information is used to assist in security verification of decrypted image ciphertext data.