---
title: P256.Signing
framework: cryptokit
role: symbol
role_heading: Enumeration
path: cryptokit/p256/signing
---

# P256.Signing

A mechanism used to create or verify a cryptographic signature using the NIST P-256 elliptic curve digital signature algorithm (ECDSA).

## Declaration

```swift
enum Signing
```

## Topics

### Using keys

- [P256.Signing.PrivateKey](cryptokit/p256/signing/privatekey.md)
- [P256.Signing.PublicKey](cryptokit/p256/signing/publickey.md)

### Structures

- [P256.Signing.ECDSASignature](cryptokit/p256/signing/ecdsasignature.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Performing operations

- [P256.KeyAgreement](cryptokit/p256/keyagreement.md)