index.ts

import { createProvider, getAllProviders } from "crypto-layer-node";
import {
    type ProviderConfig,
    type ProviderImplConfig,
    type KeyPairSpec,
    type KeyPairHandle,
} from "@nmshd/rs-crypto-types";
import { exit } from "process";

console.log("Providers: ", getAllProviders());

const providerConfig: ProviderConfig = {
    max_security_level: "Software",
    min_security_level: "Software",
    supported_asym_spec: ["P256"],
    supported_ciphers: [],
    supported_hashes: ["Sha2_256", "Sha2_384"],
};

const providerImplConfig: ProviderImplConfig = {
    additional_config: [
        { FileStoreConfig: { db_dir: "./db" } },
    ],
};

const provider = await createProvider(providerConfig, providerImplConfig);

if (!provider) {
    console.log("Failed creating provider.");
    exit(1);
}

console.log("Provider initialized: ", await provider.providerName());
console.log("Capabilities: ", await provider.getCapabilities());

const keyPairSpec: KeyPairSpec = {
    asym_spec: "P256",
    cipher: null,
    signing_hash: "Sha2_224",
    ephemeral: true,
    non_exportable: false,
};

console.log("Creating KeyPair");

const keyPair = (await provider.createKeyPair(keyPairSpec)) as KeyPairHandle;

console.log("Created KeyPair");

const data = Uint8Array.from([1, 2, 3, 4]);

console.log("Data: ", data);

const signature = await keyPair.signData(data);

console.log("Signature: ", signature);

try {
    console.log(
        "Verified: ",
        (await keyPair.verifySignature(data, signature)) ? "OK" : "FAILURE",
    );
} catch (e) {
    console.log("Error while verifying:\n", e);
}

exit(0);