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# Trust Result Dictionary Keys

Recognize the keys that appear in a dictionary containing information about an evaluated certification chain.

## Discussion

These keys appear in the dictionary returned from a call to the [`SecTrustCopyResult(_:)`](/documentation/Security/SecTrustCopyResult(_:)) function and provide information about the evaluated trust.

## Topics

### Constants

[`let kSecTrustCertificateTransparency: CFString`](/documentation/Security/kSecTrustCertificateTransparency)

A key whose value is a Boolean used to indicate Certificate Transparency.

[`let kSecTrustCertificateTransparencyWhiteList: CFString`](/documentation/Security/kSecTrustCertificateTransparencyWhiteList)

A key whose value is a Boolean used to indicate the chain satisfies Certificate Transparency by being on the allow list.

[`let kSecTrustEvaluationDate: CFString`](/documentation/Security/kSecTrustEvaluationDate)

A key whose value indicates the time that the trust evaluation took place.

[`let kSecTrustExtendedValidation: CFString`](/documentation/Security/kSecTrustExtendedValidation)

A key whose value is a Boolean used to indicate Extended Validation.

[`let kSecTrustOrganizationName: CFString`](/documentation/Security/kSecTrustOrganizationName)

A key whose value is the organization name field of the subject of the leaf certificate.

[`let kSecTrustResultValue: CFString`](/documentation/Security/kSecTrustResultValue)

A key whose value represents the trust evaluation result.

[`let kSecTrustRevocationChecked: CFString`](/documentation/Security/kSecTrustRevocationChecked)

A key whose value indicates the outcome of revocation checking during trust evaluation.

[`let kSecTrustRevocationValidUntilDate: CFString`](/documentation/Security/kSecTrustRevocationValidUntilDate)

A key whose value indicates the earliest date at which revocation information becomes stale.


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