---
title: ecdsaSignatureMessageRFC4754SHA384
framework: security
role: symbol
role_heading: Type Property
path: security/seckeyalgorithm/ecdsasignaturemessagerfc4754sha384
---

# ecdsaSignatureMessageRFC4754SHA384

An algorithm for generating message signatures by calculating and signing the SHA384 message digest.

## Declaration

```swift
static let ecdsaSignatureMessageRFC4754SHA384: SecKeyAlgorithm
```