Traditional Culture Encyclopedia - Weather forecast - My uncle was cheated into pyramid schemes, and there was the word state secret behind the bank card. What is a state secret card?
My uncle was cheated into pyramid schemes, and there was the word state secret behind the bank card. What is a state secret card?
Zhihu Information:
Lete, R.
A technical survey/amateur pilot/cynical Scorpio man
This "national secret" is the abbreviation of "domestic cipher", which refers to the domestic commercial cipher algorithm approved by the National Cryptography Bureau. At present, the public SM2, SM3 and SM4 algorithms are mainly used in the financial field, namely asymmetric algorithm, hash algorithm and symmetric algorithm. It doesn't mean pyramid selling.
Published on 20 18-07-29
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