Blowfish should use a large key

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Metadata

ID: java-security/blowfish-short-key

Language: Java

Severity: Warning

Category: Security

Description

When using Blowfish, use at least 128 bits of entropy to prevent potential vulnerabilities.

Learn More

Wikipedia - Blowfish weaknesses
CWE-326: Inadequate Encryption Strength

Arguments

min-length: Minimum length for a Blowfish key. Default: 128.

Non-Compliant Code Examples

public class MyClass {

    public void test () {
        KeyGenerator keyGen = KeyGenerator.getInstance("Blowfish");
        keyGen.init(64);
    }
}

Compliant Code Examples

public class MyClass {

    public void test () {
        KeyGenerator keyGen = KeyGenerator.getInstance("Blowfish");
        keyGen.init(128);
    }
}