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  "title" : "Getting Certificate Values"
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# Getting Certificate Values

Obtain all the values associated with a certificate.

## Discussion

In macOS, you can also dig deeper into the certificate content using a call to the [`SecCertificateCopyValues(_:_:_:)`](/documentation/Security/SecCertificateCopyValues(_:_:_:)) function:

```objc
CFErrorRef error = NULL;
NSDictionary* dict = (NSDictionary*)CFBridgingRelease(  // ARC takes ownership
                       SecCertificateCopyValues(certificate, NULL, &error)
                    );
if (!dict) {
    NSError *err = CFBridgingRelease(error);            // ARC takes ownership
    // Handle the error. . .
}
```

The return value is a dictionary with keys corresponding to the OID values found in [Certificate OIDs](/documentation/Security/certificate-oids). Each value is itself a dictionary that contains information about the certificate’s fields and extensions.

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