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CodeSonar® 9.2p0 CONFIDENTIAL CodeSecure Inc
Java

JAVA.HARDCODED.KEY : Hardcoded Cryptographic Key (Java)

Summary

A hardcoded cryptographic key is used.

Some cryptography algorithms are nowadays considered as outdated and unsafe or actually broken, since they are too easy to decode. This checker identifies uses of unsafe algorithms for cryptography.

The OWASP documentation provides more information on Using the Java Cryptographic Extensions.

Properties

Class Name Hardcoded Cryptographic Key (Java)
Significance security
Mnemonic JAVA.HARDCODED.KEY
Categories
CWE CWE:321 Use of Hard-coded Cryptographic Key
OWASP-2021 OWASP-2021:A2 Cryptographic failures
  OWASP-2021:A4 Insecure design
OWASP-2025 OWASP-2025:A04 Cryptographic Failures
  OWASP-2025:A06 Insecure Design
Availability Available for Java and Kotlin.
Enabling Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file. 
WARNING_FILTER += discard class="Hardcoded Cryptographic Key (Java)"

Resolution

Avoid hardcoded keys: use a secure key generator instead.

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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