AES Acceleration With An FPGA Coproccesor：用FPGA coproccessor AES加速度

《AES Acceleration With An FPGA Coproccesor：用FPGA coproccessor AES加速度》由会员分享，可在线阅读，更多相关《AES Acceleration With An FPGA Coproccesor：用FPGA coproccessor AES加速度（18页珍藏版）》请在装配图网上搜索。

1、Team Members & ResponsibilitiesAdam Jackson Primary hardware AES implementation Coprocessor InterfacingDaniel Risse (project “leader”) Linux installation on PPC440 on FPGA Software configuration/buildingDocumentation and reporting duties sharedMotivationAES can be greatly accelerated in hardwarePoss

2、ible parallelismMultiple tools can benefit from accelerated AESGoalAES coprocessorLinux running on ml507 boardAccelerated instruction integration128-bit data/key AESLinux running on ml507 boardAccelerated instruction integrationComplete Paper and Presentation SlidesSubmit Final PaperFinal Presentati

3、on/DemoImplementationAES data width greater than APU bus width Difficulty of installing/running Linux kernel on PPCDifficulty of configuration and cross-compilationDifficulty of integrating accelerated instructions into existing software ConceptualAES AlgorithmCross-compilationOpen-source code modif

4、ication128-bit caseData to encrypt is 4x4 matrix of bytesIterate through rounds Substitute each byte Lookup-table of “S-boxes” Rotate-shift bytes within each row Mix Columns XOR each byte with round-key Round keys derived from key-schedule algorithmFinal Round Same as other rounds, but omits column-

5、mixingDecryption is the inverse algorithm using the same keyClone git trees from XilinxSetup build environment (assumes ELDK)Configure and make Linux kernel imageLoad hardware BIT file onto FPGAUse XMD to connect to PPC and upload ELF file, runCross-compile custom software on host machine with stati

6、cally-linked librariesUpload to Linux on PPC via FTPCan interact with Linux on PPC via minicom or telnetIntegrate accelerated AES into other applications like SCP/SFTP, SSH, SSL/TLSIntegrate software into Linux image build (persistence)1 Xilinx, ”Embedded Processor Block in Virtex-5 FPGAs, Reference

7、 Guide,” Jan. 20, 2009, Online Available: http:/ guides/ug200.pdf2 National Institutue of Standards and Technology, ”Federal Information Processing Standard 197, Announcing the AES ENCRYPTION STANDARD,” Available: http:/csrc.nist.gov/publications/fips/fips197/fips-197.pdf3 W. Stallings, Cryptography

8、 and Network Security, Upper Saddle River, NJ: Prentice Hall, 2003, pp. 133, 139-171.4 ”Configuring, Building and Loading PowerPC Linux,” Oct. 6, 2009. Online Available: http:/ Accessed: Dec. 9, 20095 Wikipedia, ”Advanced Encryption Standard,” Dec. 8, 2009. Online Available: http:/en.wikipedia.org/wiki/Advanced Encryption Standard Accessed: Oct. 22, 2009Questions?