Java weak encryption #9
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mobbjon
reviewed
Jan 17, 2022
| - https://docs.microsoft.com/en-us/security/sdl/cryptographic-recommendations | ||
| patterns: | ||
| - pattern: | | ||
| $K = $C.getInstance("$RE"); |
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can we change this to something like:
- pattern-inside: |
$K = $C.getInstance("$RE");
... - pattern: $K.initialize($BITS);
- fix: $K.initialize(2048);
and this way we can have an auto-fix as well?
| @@ -0,0 +1,25 @@ | |||
| - id: java-use-of-des-encryption-algorithm | |||
| message: | | |||
| DES is a weak algorithm that has known attacks and can be broken. Consider using a secure algorithm such as AES. | |||
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Is it possible to add an auto-fix for this rule? Not sure how the fix should look like so it is hard to say..
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I have added 2 semgrep rules for detecting weak encryption, specifically DES encryption algorithm and RSA algorithm with a short key (less than 2048 bits). Each rule is in a separate file.