| 摘要 |
The invention relates to a method for securing an electronic device (SC) against attacks via covert channels when the electronic device (SC) implements a Montgomery ladder for calculating the element A┴A┴…┴A where A appears k times. A designates an element of an Abelian group with a law ┴, and k is a natural number. The method comprises a modified implementation of the Montgomery ladder. The invention also relates to a device (SC), a computer program and a storage medium arranged so as to implement such a method. |
