Unsigned processing method of modular inversion algorithm and modular inversion accelerator
The invention discloses an unsigned processing method of a modular inversion algorithm and a modular inversion accelerator. Based on the Euclidean algorithm expanded in a public key cryptography algorithm, the subtraction operation in the condition 3 in the step 3 of the expanded Euclidean algorithm...
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| creator | XIU SIWEN CHEN HUAFENG TANG CONGXUE |
| description | The invention discloses an unsigned processing method of a modular inversion algorithm and a modular inversion accelerator. Based on the Euclidean algorithm expanded in a public key cryptography algorithm, the subtraction operation in the condition 3 in the step 3 of the expanded Euclidean algorithm is replaced by the modular reduction operation. Related operation about temporary variables X2 and Y2 in the condition 1 and the condition 2 in the step 3 of the expanded Euclidean algorithm is eliminated. The modular inversion accelerator comprises a bus port, an operation control layer, a data path and a memory port, which are successively connected. The operation control layer is formed by a modular inversion operation control module and a sub-operation module, which are mutually communicated. The data path is formed by an N-bit register and an N-bit summator, which are communicated to each other. In this way, a hardware circuit of the modular inversion algorithm is achieved; the expanded Euclidean algorithm is |
| format | Patent |
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Based on the Euclidean algorithm expanded in a public key cryptography algorithm, the subtraction operation in the condition 3 in the step 3 of the expanded Euclidean algorithm is replaced by the modular reduction operation. Related operation about temporary variables X2 and Y2 in the condition 1 and the condition 2 in the step 3 of the expanded Euclidean algorithm is eliminated. The modular inversion accelerator comprises a bus port, an operation control layer, a data path and a memory port, which are successively connected. The operation control layer is formed by a modular inversion operation control module and a sub-operation module, which are mutually communicated. The data path is formed by an N-bit register and an N-bit summator, which are communicated to each other. In this way, a hardware circuit of the modular inversion algorithm is achieved; the expanded Euclidean algorithm is</description><language>chi ; eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160511&DB=EPODOC&CC=CN&NR=105577372A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160511&DB=EPODOC&CC=CN&NR=105577372A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XIU SIWEN</creatorcontrib><creatorcontrib>CHEN HUAFENG</creatorcontrib><creatorcontrib>TANG CONGXUE</creatorcontrib><title>Unsigned processing method of modular inversion algorithm and modular inversion accelerator</title><description>The invention discloses an unsigned processing method of a modular inversion algorithm and a modular inversion accelerator. Based on the Euclidean algorithm expanded in a public key cryptography algorithm, the subtraction operation in the condition 3 in the step 3 of the expanded Euclidean algorithm is replaced by the modular reduction operation. Related operation about temporary variables X2 and Y2 in the condition 1 and the condition 2 in the step 3 of the expanded Euclidean algorithm is eliminated. The modular inversion accelerator comprises a bus port, an operation control layer, a data path and a memory port, which are successively connected. The operation control layer is formed by a modular inversion operation control module and a sub-operation module, which are mutually communicated. The data path is formed by an N-bit register and an N-bit summator, which are communicated to each other. 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| language | chi ; eng |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Unsigned processing method of modular inversion algorithm and modular inversion accelerator |
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