Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method
Abstract We present practical attacks on IAR-CTR and IAR-CFB, AE modes proposed by Hwang and Gope to offer both privacy and authenticity in a single pass. Then we use the idea of iCOFB, which is originally defined with a tweakable random function, to fix the IAR-CTR mode using the tweakable block ci...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-01-01
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| Series: | Cybersecurity |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s42400-024-00312-x |
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| _version_ | 1841544497398284288 |
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| author | Xueqi Zhu Fangzhou Liu Yan Jia Jun Xu Peng Wang |
| author_facet | Xueqi Zhu Fangzhou Liu Yan Jia Jun Xu Peng Wang |
| author_sort | Xueqi Zhu |
| collection | DOAJ |
| description | Abstract We present practical attacks on IAR-CTR and IAR-CFB, AE modes proposed by Hwang and Gope to offer both privacy and authenticity in a single pass. Then we use the idea of iCOFB, which is originally defined with a tweakable random function, to fix the IAR-CTR mode using the tweakable block cipher, and propose the TIAR-CTR mode, which is a one-pass AEAD mode with provable security. However, the same fixed method does not work for the IAR-CFB mode. |
| format | Article |
| id | doaj-art-2bc1f1e54c46433ab0d945ae361c1d33 |
| institution | Kabale University |
| issn | 2523-3246 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Cybersecurity |
| spelling | doaj-art-2bc1f1e54c46433ab0d945ae361c1d332025-01-12T12:28:39ZengSpringerOpenCybersecurity2523-32462025-01-018111210.1186/s42400-024-00312-xCryptanalysis of IAR-CTR and IAR-CFB and a fixing methodXueqi Zhu0Fangzhou Liu1Yan Jia2Jun Xu3Peng Wang4Key Laboratory of Cyberspace Security Defense, Institute of Information Engineering, CASKey Laboratory of Cyberspace Security Defense, Institute of Information Engineering, CASKey Laboratory of Cyberspace Security Defense, Institute of Information Engineering, CASKey Laboratory of Cyberspace Security Defense, Institute of Information Engineering, CASSchool of Cryptology, University of Chinese Academy of SciencesAbstract We present practical attacks on IAR-CTR and IAR-CFB, AE modes proposed by Hwang and Gope to offer both privacy and authenticity in a single pass. Then we use the idea of iCOFB, which is originally defined with a tweakable random function, to fix the IAR-CTR mode using the tweakable block cipher, and propose the TIAR-CTR mode, which is a one-pass AEAD mode with provable security. However, the same fixed method does not work for the IAR-CFB mode.https://doi.org/10.1186/s42400-024-00312-xAuthenticated encryptionCryptanalysisForgeryIAR-CTRIAR-CFBTweakable block cipher |
| spellingShingle | Xueqi Zhu Fangzhou Liu Yan Jia Jun Xu Peng Wang Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method Cybersecurity Authenticated encryption Cryptanalysis Forgery IAR-CTR IAR-CFB Tweakable block cipher |
| title | Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method |
| title_full | Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method |
| title_fullStr | Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method |
| title_full_unstemmed | Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method |
| title_short | Cryptanalysis of IAR-CTR and IAR-CFB and a fixing method |
| title_sort | cryptanalysis of iar ctr and iar cfb and a fixing method |
| topic | Authenticated encryption Cryptanalysis Forgery IAR-CTR IAR-CFB Tweakable block cipher |
| url | https://doi.org/10.1186/s42400-024-00312-x |
| work_keys_str_mv | AT xueqizhu cryptanalysisofiarctrandiarcfbandafixingmethod AT fangzhouliu cryptanalysisofiarctrandiarcfbandafixingmethod AT yanjia cryptanalysisofiarctrandiarcfbandafixingmethod AT junxu cryptanalysisofiarctrandiarcfbandafixingmethod AT pengwang cryptanalysisofiarctrandiarcfbandafixingmethod |