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yyjpcx 发表于 2006-4-22 16:09:21

Attack on Asprotect SKE Activation Key

1Abstract........................................................2
2Key Replace.....................................................3
2.1Get the EncryptionConst.......................................................................................................3
2.2Create a new project............................................................................................................11
2.3Replace P5 P6 P7.................................................................................................................13
2.4Patch CRC check.................................................................................................................18
3Attack on Activation Key.......................................19
3.1Role of the EncryptionConst...............................................................................................19
3.2Brute Force Attack on EncryptionConst...........................................................................23
3.3Another Example.................................................................................................................24
4About Algorthm.................................................26
5Conclusion.....................................................27
6Greetings......................................................27

Keywords

Asprotect, RSA, EncryptionConst, MD5, RC4

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