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# kSecAttrIssuer

A key whose value indicates the item’s issuer.

```
let kSecAttrIssuer: CFString
```

## Discussion

The corresponding value is of type <doc://com.apple.documentation/documentation/CoreFoundation/CFData> and contains the X.500 issuer name of a certificate. Items of class [`kSecClassCertificate`](/documentation/Security/kSecClassCertificate) have this attribute. Read only.

---

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