公开(公告)号：US08527835B2

公开(公告)日：2013-09-03

申请号：US12811132

申请日：2009-01-08

申请人： Cyrille Pepin ,  David DeCroix ,  Guillaume Roudiere

发明人： Cyrille Pepin ,  David DeCroix ,  Guillaume Roudiere

IPC分类号： H03M13/00 ,  G06F11/00 ,  G06F12/14 ,  G06F13/00 ,  G11C29/00

CPC分类号： G06F21/755

摘要： A method of securely transferring data. The source data stored in a source memory (NV_MEM) is compared with the transferred data (COPY_ELT_X_V_MEM) that has been copied from the source memory (NV_MEM) into a “destination” memory (V_MEM). The method consists in reading from the source memory (NV_MEM) an integrity value (PI_ELT_X) associated with an element (ELEMENT_X_NV_MEM) such as file containing the source data, in calculating the integrity of a reconstituted element made up of the transferred data (COPY_ELT_X_V_MEM) associated, where appropriate, with the data of the source element (ELEMENT_X_NV_MEM) other than the data that was transferred, and in deciding that the transferred data (COPY_ELT_X_V_MEM) is identical to the source data when the integrity calculation gives a value identical to the integrity value of the source element (PI_ELT_X). The method applies to transferring data between components of a smart card.

摘要翻译： 一种安全传输数据的方法。 将存储在源存储器（NV_MEM）中的源数据与从源存储器（NV_MEM）复制到“目的地”存储器（V_MEM）中的传送数据（COPY_ELT_X_V_MEM）进行比较。 该方法包括在计算由传送数据（COPY_ELT_X_V_MEM）构成的重构元素的完整性时从源存储器（NV_MEM）读取与诸如包含源数据的文件的元素（ELEMENT_X_NV_MEM）相关联的完整性值（PI_ELT_X） 在适当的情况下，与传送的数据不同的源元素（ELEMENT_X_NV_MEM）的数据相关联，并且在完整性计算给出与完整性相同的值时，决定传送的数据（COPY_ELT_X_V_MEM）与源数据相同 源元素的值（PI_ELT_X）。 该方法适用于在智能卡的组件之间传输数据。