Saturation cryptanalysis of CLEFIA
The saturation attack on a novel block cipher CLEFIA,which was proposed in FSE 2007,was reevaluated.The flaws in Shirai et al’s 8 round distinguishers were pointed out and corrected.In order to reduce the number of guessed subkeys,the attack utilized the movement of the whitening key to combine it w...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2008-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74654823/ |
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| _version_ | 1841537571312631808 |
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| author | WANG Wei1 WANG Xiao-yun2 |
| author_facet | WANG Wei1 WANG Xiao-yun2 |
| author_sort | WANG Wei1 |
| collection | DOAJ |
| description | The saturation attack on a novel block cipher CLEFIA,which was proposed in FSE 2007,was reevaluated.The flaws in Shirai et al’s 8 round distinguishers were pointed out and corrected.In order to reduce the number of guessed subkeys,the attack utilized the movement of the whitening key to combine it with subkey,and explored a di-vide-and-conquer strategy.The partial sum technique was adopted to reduce the time complexity.As a result,the satura-tion attack can be extended from 10 round variant without key whitenings to 11 round CLEFIA-128/192/256,and is ap-plicable to 12 round CLEFIA-192/256 and 13 round CLEFIA-256. |
| format | Article |
| id | doaj-art-c94ccbff7c4c4eb680f1102a2d6a7cc3 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2008-01-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-c94ccbff7c4c4eb680f1102a2d6a7cc32025-01-14T08:32:15ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2008-01-01889274654823Saturation cryptanalysis of CLEFIAWANG Wei1WANG Xiao-yun2The saturation attack on a novel block cipher CLEFIA,which was proposed in FSE 2007,was reevaluated.The flaws in Shirai et al’s 8 round distinguishers were pointed out and corrected.In order to reduce the number of guessed subkeys,the attack utilized the movement of the whitening key to combine it with subkey,and explored a di-vide-and-conquer strategy.The partial sum technique was adopted to reduce the time complexity.As a result,the satura-tion attack can be extended from 10 round variant without key whitenings to 11 round CLEFIA-128/192/256,and is ap-plicable to 12 round CLEFIA-192/256 and 13 round CLEFIA-256.http://www.joconline.com.cn/zh/article/74654823/cryptographycryptanalysissaturation cryptanalysisCLEFIA |
| spellingShingle | WANG Wei1 WANG Xiao-yun2 Saturation cryptanalysis of CLEFIA Tongxin xuebao cryptography cryptanalysis saturation cryptanalysis CLEFIA |
| title | Saturation cryptanalysis of CLEFIA |
| title_full | Saturation cryptanalysis of CLEFIA |
| title_fullStr | Saturation cryptanalysis of CLEFIA |
| title_full_unstemmed | Saturation cryptanalysis of CLEFIA |
| title_short | Saturation cryptanalysis of CLEFIA |
| title_sort | saturation cryptanalysis of clefia |
| topic | cryptography cryptanalysis saturation cryptanalysis CLEFIA |
| url | http://www.joconline.com.cn/zh/article/74654823/ |
| work_keys_str_mv | AT wangwei1 saturationcryptanalysisofclefia AT wangxiaoyun2 saturationcryptanalysisofclefia |