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P256K1

Enhance Your Swift Development for Bitcoin Apps

Seamlessly integrate, test, and utilize secp256k1 for streamlined development of Bitcoin applications.

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Seamless Integration — For hassle-free Bitcoin app development.
Swift and Efficient — Accelerate development with simple APIs.
Optimized Builds — Consistent performance across platforms.

ECDSASchnorr

import P256K1

let key = P256K1.Signing.PrivateKey()
let msg = "Running bitcoin".data(using: .utf8)!

// Sign a message with a private key.
let sig = try! key.signature(for: msg)

import SwiftUI

Caching

Streamline your development: utilize the efficiency of libsecp256k1 for swift

We've wrapped libsecp256k1 into a package and made it super simple to include into your Xcode project. And it works with Swift Packages too!

Easy Integration
Unlock simplicity and efficiency with just a few lines from P256K1 APIs. Leave the heavy lifting of project mutations to libsecp256k1 while you focus on what truly matters.
Swift Packages Support
Most of the time you don't need to compile sources of your Swift Package dependencies. Therefore we wrapped libsecp256k1 for others to integrate.
Flexibility
Schnorr and ECDSA Signatures functionality with ease. Exposed C bindings to take full control of the implementation.

FAQS

Fully integrated, fully supported

Join the P256K1 community of users, contributors, and maintainers who are ready to help you on your Bitcoin journey.

Is a random k injected when calculating an ECDSA signature?+−

ECDSA signatures generated by P256K1 are indeed deterministic by default. Though, this behavior is intentional and aligns with RFC 6979. It's used to prevent deterministic generation of k and is implemented by libsecp256k1.

🔏 P256K1

import SwiftUI

Easy Integration

Swift Packages Support

Flexibility

explore the APIs

Elliptic Curve Digital Signature Algorithm