Data encryption method and device of VSIM card
A data encryption and data block technology, applied in the field of cryptography, can solve problems such as poor versatility, low security, and easy cracking, and achieve the effect of low cost, high security, and good versatility
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[0061]Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.
[0062] figure 1 It is a flow chart of a method for encrypting data of a VSIM card according to an exemplary embodiment. Such as figure 1 As shown, the method includes step 100 and step 101.
[0063] In step 100, a first encryption operation is performed according to the first key and the unique device identifier to obtain a first encrypted result, wherein the unique device identifier...
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