Verify Ed25519 signatures to confirm that a message was signed by a specific Solana address. Essential for authentication and ensuring data integrity.Documentation Index
Fetch the complete documentation index at: https://docs.getpara.com/llms.txt
Use this file to discover all available pages before exploring further.
- @solana/kit
- @solana/web3.js
- Anchor
import { useParaSolanaSigner } from "@getpara/react-native-wallet/solana";
import { createSolanaRpc } from '@solana/kit';
import { getUtf8Encoder } from '@solana/codecs-strings';
import nacl from 'tweetnacl';
import bs58 from 'bs58';
const rpc = createSolanaRpc("https://api.mainnet-beta.solana.com");
function VerifySignature() {
const { solanaSigner, isLoading } = useParaSolanaSigner({ rpc });
const verifyMessage = async () => {
if (!solanaSigner) return false;
const message = "Hello, Solana!";
const messageBytes = new Uint8Array(getUtf8Encoder().encode(message));
const signatureResult = await solanaSigner.signMessages([
{ content: messageBytes, signatures: {} }
]);
const signatureBytes = signatureResult[0][solanaSigner.address];
const publicKeyBuffer = solanaSigner.sender;
const isValid = nacl.sign.detached.verify(
messageBytes,
signatureBytes,
publicKeyBuffer
);
return isValid;
};
return <button onClick={verifyMessage}>Sign & Verify Message</button>;
}
import { useParaSolana } from './hooks/useParaSolana';
import { PublicKey } from '@solana/web3.js';
import nacl from 'tweetnacl';
import bs58 from 'bs58';
function VerifySignature() {
const { signer } = useParaSolana();
const verifyMessage = async () => {
if (!signer) {
console.error("No signer available. Connect wallet first.");
return;
}
const message = "Hello, Solana!";
const messageBytes = new TextEncoder().encode(message);
// Sign the message first
const signature = await signer.signBytes(Buffer.from(messageBytes));
const signatureBase58 = bs58.encode(signature);
// Verify the signature
try {
const publicKeyBytes = new PublicKey(signer.address).toBytes();
const isValid = nacl.sign.detached.verify(
messageBytes,
signature,
publicKeyBytes
);
console.log("Message:", message);
console.log("Signature:", signatureBase58);
console.log("Signature valid:", isValid);
console.log("Signer:", signer.address);
return isValid;
} catch (error) {
console.error("Verification failed:", error);
return false;
}
};
return <button onClick={verifyMessage}>Sign & Verify Message</button>;
}
import { useParaAnchor } from './hooks/useParaAnchor';
import { useParaSolana } from './hooks/useParaSolana';
import nacl from 'tweetnacl';
import bs58 from 'bs58';
function VerifySignature() {
const provider = useParaAnchor();
const { signer } = useParaSolana();
const verifyMessage = async () => {
if (!signer) {
console.error("No signer available. Connect wallet first.");
return;
}
const message = "Hello, Anchor!";
const messageBytes = new TextEncoder().encode(message);
// Sign the message first
const signature = await signer.signBytes(Buffer.from(messageBytes));
const signatureBase58 = bs58.encode(signature);
// Verify the signature
try {
const publicKeyBytes = provider.wallet.publicKey.toBytes();
const isValid = nacl.sign.detached.verify(
messageBytes,
signature,
publicKeyBytes
);
console.log("Message:", message);
console.log("Signature:", signatureBase58);
console.log("Signature valid:", isValid);
console.log("Signer:", provider.wallet.publicKey.toString());
return isValid;
} catch (error) {
console.error("Verification failed:", error);
return false;
}
};
return <button onClick={verifyMessage}>Sign & Verify Message</button>;
}