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Bug #35069 4.4.1 update seriously breaks mcrypt decryption
Submitted: 2005-11-02 18:12 UTC Modified: 2005-11-02 20:20 UTC
From: greg at warprecords dot com Assigned:
Status: Not a bug Package: mcrypt related
PHP Version: 4.4.1 OS: FreeBSD 5.3R-p5
Private report: No CVE-ID: None
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From: greg at warprecords dot com
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 [2005-11-02 18:12 UTC] greg at warprecords dot com
Upgraded to 4.4.1 from 4.4.0 via FreeBSD ports broke some code 
we use to decrypt Blowfish encrypted strings generated and 
handled by PHP and passed between two servers.

Encrypting with 4.4.1 
and decrypting with 4.4.0
works fine, We have fallen back to this.

Encrypting with 4.4.1
and decrypting with 4.4.1
is broken.

Not tried 4.4.0 to 4.4.1.

Reproduce code:
$SID = @mcrypt_ecb(MCRYPT_Blowfish, $crypt_key, $SID, MCRYPT_DECRYPT);

Expected result:
Encrypted string is decrypted correctly.

Actual result:
Encrypted string is decrypted as garbage.


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 [2005-11-02 18:58 UTC]
We don't support any ports. Reopen if you can reproduce this with PHP build from the sources found here:
 [2005-11-02 20:20 UTC]
Besides that, there were no changes in mcrypt for a long time...
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