发明名称 |
METHOD FOR EMBEDDING COVERT DATA IN A TEXT DOCUMENT USING CHARACTER ROTATION |
摘要 |
A method and apparatus for embedding covert data in a text document using character rotation encoding and decoding. Character rotation encoding and decoding is based on changing the rotation of characters within a text row to a particular format such that data is essentially visually hidden in the text document. |
申请公布号 |
SG155791(A1) |
申请公布日期 |
2009.10.29 |
申请号 |
SG20080021883 |
申请日期 |
2008.03.18 |
申请人 |
RADIANTRUST PTE LTD |
发明人 |
SING TANG WENG;CHERN LEE PERN |
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