Abstract
To improve the security and reliability of Chip Operating System,A Chip Operating System supporting SM2 algorithm is designed and implemented on smart card chip of Tongfang THD86.The system shows better performance and efficiency on security. The experimental results and the security analysis showed SM2 algorithm had advantages of taking up less memory space and higher efficient on encryption and signature than RSA algorithm.The COS passed the tests of State Cryptography Administration, it was valuable and effective.
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