| 发明名称 | Mask based challenge response test | ||
| 摘要 | A method for providing a challenge response test associated with a computer resource performed by a physical computing system includes, with the physical computing system, generating a challenge response test image comprising a plurality of well-formed construct elements forming a well-formed construct and a plurality of random construct elements, and providing a number of masks to be placed over the image, one of the number of masks configured to reveal the well-formed construct elements when placed over the image. | ||
| 申请公布号 | US8869246(B2) | 申请公布日期 | 2014.10.21 |
| 申请号 | US201213426101 | 申请日期 | 2012.03.21 |
| 申请人 | International Business Machines Corporation | 发明人 | Kruger Stephen Paul;Pieczul Olgierd Stanislaw |
| 分类号 | G06F21/00;G06F21/31;H04L9/32 | 主分类号 | G06F21/00 |
| 代理机构 | Van Cott, Bagley, Cornwall & McCarthy P.C. | 代理人 | Nichols Steven L.;Van Cott, Bagley, Cornwall & McCarthy P.C. |
| 主权项 | 1. A method for providing a challenge response test associated with a computer resource and performed by a physical computing system, the method comprising: with said physical computing system, generating a challenge response test image comprising a plurality of well-formed construct elements forming a well-formed construct and a plurality of random construct elements; and with said physical computing system, providing a number of masks to be placed over said image, one of said number of masks configured to reveal said well-formed construct elements when placed over said image; in which said well-formed construct elements comprise words or images of a properly formed sentence and said well-formed construct comprises said sentence. | ||
| 地址 | Armonk NY US | ||