| 摘要 |
<p>Embodiments of the present invention provide an information processing method, a user equipment, and an encryption device. The method comprises: a user equipment receiving a first part private key sent by a key generating center, and generating a key value, the secret value being a small norm matrix; the user equipment obtaining a second part private key by multiplying the secret value by the first part private key; the user equipment determining a personal private key according to the first part private key and the second part private key. Based on the technical solutions, the user equipment in the embodiments of the present invention generates a secret value, the secret value being a small norm matrix; and the user equipment obtains a second part private key of the user equipment by multiplying, by the secret value, the received first part private key sent by the key generating center and belonging to the user equipment, and the first part private key and the second part private key form the personal private key of the user equipment. Therefore, an algorithm for generating the private key is simple, and the calculation complexity can be reduced.</p> |
