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Posted to commits@harmony.apache.org by "Alexander Kleymenov (JIRA)" <ji...@apache.org> on 2006/11/09 13:19:38 UTC
[jira] Commented: (HARMONY-2125) [classlib][crypto] RSA Cipher
implementation corrupts the data
[ http://issues.apache.org/jira/browse/HARMONY-2125?page=comments#action_12448441 ]
Alexander Kleymenov commented on HARMONY-2125:
----------------------------------------------
Further investigation showed that the roots of the problem are in BC provider implementation.
> [classlib][crypto] RSA Cipher implementation corrupts the data
> --------------------------------------------------------------
>
> Key: HARMONY-2125
> URL: http://issues.apache.org/jira/browse/HARMONY-2125
> Project: Harmony
> Issue Type: Bug
> Components: Classlib
> Reporter: Alexander Kleymenov
> Attachments: cipherbug.java
>
>
> RSA Cipher implementation used in Harmony corrupts the input data. So the data array with the leading zero bytes after encryption-decryption cycle results in array without leading zero bytes. To reproduce the problem run the attached test. Its output on Harmony is as follows:
>
> -----------------------
> Initial data:
> 1 2 3 4 5 6 7 8 9 A B
> Encrypted and Decrypted:
> 1 2 3 4 5 6 7 8 9 A B
> PASSED
> -----------------------
> Initial data:
> 0 1 2 3 4 5 6 7 8 9 A
> Encrypted and Decrypted:
> 1 2 3 4 5 6 7 8 9 A
> FAILED: Encrypted/Decrypted data does not equal to initial
>
> while on RI the output is:
>
> -----------------------
> Initial data:
> 1 2 3 4 5 6 7 8 9 A B
> Encrypted and Decrypted:
> 1 2 3 4 5 6 7 8 9 A B
> PASSED
> -----------------------
> Initial data:
> 0 1 2 3 4 5 6 7 8 9 A
> Encrypted and Decrypted:
> 0 1 2 3 4 5 6 7 8 9 A
> PASSED
>
> This problem causes unstable failure of the following unit test:
>
> org.apache.harmony.tests.internal.net.www.protocol.https.HttpsURLConnectionTest
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