<!--
{
  "availability" : [
    "macOS: 10.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/SecExternalItemType",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@E@SecExternalItemType"
  },
  "title" : "SecExternalItemType"
}
-->

# SecExternalItemType

The import item type.

```
enum SecExternalItemType
```

## Topics

### Constants

[`SecExternalItemType.itemTypeUnknown`](/documentation/Security/SecExternalItemType/itemTypeUnknown)

Indicates that the caller does not know the type of information being imported or exported.

[`SecExternalItemType.itemTypePrivateKey`](/documentation/Security/SecExternalItemType/itemTypePrivateKey)

Indicates a private key.

[`SecExternalItemType.itemTypePublicKey`](/documentation/Security/SecExternalItemType/itemTypePublicKey)

Indicates a public key.

[`SecExternalItemType.itemTypeSessionKey`](/documentation/Security/SecExternalItemType/itemTypeSessionKey)

Indicates a session key.

[`SecExternalItemType.itemTypeCertificate`](/documentation/Security/SecExternalItemType/itemTypeCertificate)

Indicates a certificate.

[`SecExternalItemType.itemTypeAggregate`](/documentation/Security/SecExternalItemType/itemTypeAggregate)

Indicates a set of certificates or certificates and private keys.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)