| 发明名称 |
Method for verifying an electronic signature and data processing device |
| 摘要 |
A method for verifying an electronic signature is described including determining a residue class given by the signature; determining an integer having the residue class; determining a field element of a finite field such that the field element corresponds to the integer according to a predetermined mapping of the finite field to the set of integers; determining whether the field element fulfills a predetermined criterion and deciding whether the signature is valid based on whether the field element fulfills the predetermined criterion. |
| 申请公布号 |
US8850213(B2) |
申请公布日期 |
2014.09.30 |
| 申请号 |
US201313752456 |
申请日期 |
2013.01.29 |
| 申请人 |
Infineon Technologies AG |
发明人 |
Meyer Bernd;Hess Erwin |
| 分类号 |
G06F17/30;H04L9/28;H04L9/32 |
主分类号 |
G06F17/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for verifying an electronic signature by a data processing device comprising one or more processors, the method comprising determining by at least one of the one or more processors a residue class given by the signature;
determining by at least one of the one or more processors an integer having the residue class; determining by at least one of the one or more processors a field element of a finite field such that the field element corresponds to the integer according to a predetermined mapping of the finite field to the set of integers; determining by at least one of the one or more processors whether the field element fulfills a predetermined criterion; and deciding by at least one of the one or more processors whether the signature is valid based on whether the field element fulfills the predetermined criterion. |
| 地址 |
Neubiberg DE |
