TOSOH CORPORTION
TOSOH CORPORTION Patent applications | ||
Patent application number | Title | Published |
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20080276106 | Data Conversion Apparatus and Data Conversion Method - It is aimed, for example, to reduce an amount of power consumption of an operation concerning data encryption or decryption and to make it difficult to perform a power analysis. In the case an exclusive OR operation between 32-bit input data and a 32-bit key is performed to obtain output data of 32 bits, the input data is kept in an input shift register | 11-06-2008 |