bugMIT/GNU Scheme - Bugs: bug #27230, Edwin's support for editing...


bug #27230: Edwin's support for editing Blowfish-encrypted files uses a weak key-derivation function

Submitted by:  Taylor R. Campbell <riastradh>
Submitted on:  Wed 12 Aug 2009 01:33:22 AM UTC  
Category:  edwin Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect behavior
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open

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Wed 12 Aug 2009 01:33:22 AM UTC, original submission:  

Edwin maps pass phrases into Blowfish keys by sending them through MD5.  Instead it should use a strong KDF such as bcrypt, scrypt, or at least one of the PBKDF2 family of KDFs.  PBKDF2 is a standard for KDFs, defined in PKCS#5; bcrypt and scrypt are stronger KDFs, but are not standardized.

Taylor R. Campbell <riastradh>
Project Member


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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