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# SSLCopyCertificateAuthorities(_:_:)

Retrieves the current list of certification authorities.

```
func SSLCopyCertificateAuthorities(_ context: SSLContext, _ certificates: UnsafeMutablePointer<CFArray?>) -> OSStatus
```

## Parameters

`context`

An SSL session context reference.

`certificates`

On return, a pointer to a value of type `CFArrayRef`. This array contains values of type `SecCertificateRef` representing the current set of certification authorities (specified with the [`SSLSetCertificateAuthorities(_:_:_:)`](/documentation/Security/SSLSetCertificateAuthorities(_:_:_:)) function). Returns a `NULL` array if [`SSLSetCertificateAuthorities(_:_:_:)`](/documentation/Security/SSLSetCertificateAuthorities(_:_:_:)) has not been called. You must call the `CFRelease` function to release this array when you are finished with it.

## Return Value

A result code. See [Secure Transport Result Codes](/documentation/Security/secure-transport-result-codes).

## See Also

[`SSLCopyDistinguishedNames`](/documentation/Security/SSLCopyDistinguishedNames(_:_:))

Retrieves the distinguished names of acceptable certification authorities.


---

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