MASWE-0020: Weak Encryption

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Initial Description or Hints

The use of outdated encryption methods like DES and 3DES may compromise data confidentiality and integrity.

Relevant Topics

• Weak encryption algorithms (e.g. DES, 3DES, etc.)
• Weak encryption modes (e.g. ECB, etc.)
• Cipher.getInstance("AES") defaults to ECB (Android)

References

• https://support.google.com/faqs/answer/10046138?hl=en
• https://support.google.com/faqs/answer/9450925?hl=en
• https://support.google.com/faqs/answer/9450925?hl=en
• https://developer.android.com/privacy-and-security/cryptography#deprecated-functionality
• https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-131Ar2.pdf

MASTG v1 Coverage

• MASTG-TEST-0014 - Testing the Configuration of Cryptographic Standard Algorithms (android)

Tests

MASTG-TEST-0210: Weak Encryption Algorithms MASTG-TEST-0221: Weak Encryption Algorithms MASTG-TEST-0232: Weak Encryption Modes