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Verify that cryptographic keys are not reused for multiple purposes or used for other purpose then for which they were created.
Note Please see: (https://mas.owasp.org/MASTG/tests/android/MASVS-CRYPTO/MASTG-TEST-0015/)
Note
Please see: (https://mas.owasp.org/MASTG/tests/android/MASVS-CRYPTO/MASTG-TEST-0015/)