公开(公告)号：US20080292104A1

公开(公告)日：2008-11-27

申请号：US12096426

申请日：2006-12-05

申请人： Julie H. Loc'H ,  David Arditti ,  Sylvie Camus

发明人： Julie H. Loc'H ,  David Arditti ,  Sylvie Camus

IPC分类号： H04L9/14

CPC分类号： H04L9/0894

摘要： At least one expired decryption key intended to be used for asymmetrical decryption of encrypted data is recovered in a terminal after generation of a cryptographic encryption key/decryption key pair stored in a cryptographic medium such as a microchip card. The expired decryption key is stored in a database accessible to a user of the terminal and encrypted beforehand as a function of the new generated encryption key. In the terminal connected to the cryptographic medium, the encrypted expired encryption key is decrypted as a function of the decryption key stored in the cryptographic medium so that the encrypted data is decrypted as a function of the thus decrypted expired decryption key.

摘要翻译： 在生成存储在诸如微芯片卡的密码介质中的密码加密密钥/解密密钥对之后，在终端中恢复旨在用于加密数据的非对称解密的至少一个到期的解密密钥。 过期的解密密钥存储在可由终端的用户访问的数据库中，作为新生成的加密密钥的函数预先加密。 在连接到密码介质的终端中，根据存储在密码介质中的解密密钥，加密的过期加密密钥被解密，从而根据这样解密的过期解密密钥对加密数据进行解密。