<!--
{
  "availability" : [
    "iOS: 10.0.0 -",
    "iPadOS: 10.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 10.12.0 -",
    "tvOS: 10.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 3.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/SecKeyOperationType",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@E@SecKeyOperationType"
  },
  "title" : "SecKeyOperationType"
}
-->

# SecKeyOperationType

The types of operations that you can use a cryptographic key to perform.

```
enum SecKeyOperationType
```

## Topics

### Enumeration Cases

[`SecKeyOperationType.decrypt`](/documentation/Security/SecKeyOperationType/decrypt)

[`SecKeyOperationType.encrypt`](/documentation/Security/SecKeyOperationType/encrypt)

[`SecKeyOperationType.keyExchange`](/documentation/Security/SecKeyOperationType/keyExchange)

[`SecKeyOperationType.sign`](/documentation/Security/SecKeyOperationType/sign)

[`SecKeyOperationType.verify`](/documentation/Security/SecKeyOperationType/verify)


---

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)