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javacertificatedigital-signaturedigital-certificate

How to get key usage of a digital certificate in java

How to get key usage of a digital certificate in java. I want to know the use of purpose of a certificate like digital signature or key-encipherment.

Solution

  • You can get that information by calling the X509Certificate.getKeyUsage() method.

    Extended key usage information can be obtained from X509Certificate.getExtendedKeyUsage().