---
title: ecdsaSignatureMessageRFC4754SHA512
framework: security
role: symbol
role_heading: Type Property
path: security/seckeyalgorithm/ecdsasignaturemessagerfc4754sha512
---

# ecdsaSignatureMessageRFC4754SHA512

An algorithm for generating message signatures by calculating and signing the SHA512 message digest.

## Declaration

```swift
static let ecdsaSignatureMessageRFC4754SHA512: SecKeyAlgorithm
```