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: edwinSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect behavior
Status: NonePrivacy: Public
Assigned to: NoneOriginator Name: 
Open/Closed: Open
Keywords: 

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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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