Software cryptographic apparatus and method
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United States of America Patent
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-
Dec 31, 1985
Grant Date -
N/A
app pub date -
Dec 22, 1982
filing date -
Dec 22, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved software cryptographic apparatus and method are disclosed. The apparatus and method enables the encryption of the object code of a program so as to enable relocatable code operations. The apparatus and method will adapt program execution for a mixture of encrypted and nonencrypted code. A particular advantage of the apparatus and method is its accommodation of interrupts and branches while carrying out the cryptographic function.
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