| 摘要 |
<p>The method for obtaining information relating to the integrity of an article (2) as assessed from an exposure of said article (2) to physical or environmental conditions during a time span during which said article (2) is transported comprises a) providing a device (1) to be located in proximity to said article (2) during said transport, digital certificate data (C) and first digital private key data (K1*) being stored in said device (1); d) storing in said device (1) data (I) related to said physical or environmental conditions, said data being referred to as integrity data (I); e) creating within said device (1) first digitally signed data (DS1) by digitally signing data comprising said integrity data (I) and said digital certificate data (C), using said first digital private key data (K1 *); f) storing said first digitally signed data (DS1) in said device (1). A high degree of security against malpractice and data falsification can be achieved. A corresponding device (1) is also presented.</p> |
