@airgap/crypto/utils/factory.js

The @airgap/crypto packages provides common crypto functionalities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.newCryptoDerivativeFromNode = exports.newCryptoDerivativeFromKeys = exports.newDerivationNodeFromKeys = exports.newDerivationNodeFromDerivative = void 0;
function newDerivationNodeFromDerivative(derivative) {
    return {
        depth: derivative.depth,
        parentFingerprint: derivative.parentFingerprint,
        index: derivative.index,
        chainCode: Buffer.from(derivative.chainCode, 'hex'),
        secretKey: Buffer.from(derivative.secretKey, 'hex'),
        publicKey: Buffer.from(derivative.publicKey, 'hex')
    };
}
exports.newDerivationNodeFromDerivative = newDerivationNodeFromDerivative;
function newDerivationNodeFromKeys(secretKey, publicKey) {
    if (secretKey.depth !== publicKey.depth ||
        secretKey.parentFingerprint !== publicKey.parentFingerprint ||
        secretKey.index !== publicKey.index ||
        !secretKey.chainCode.equals(publicKey.chainCode)) {
        throw new Error('Derivation keys mismatch');
    }
    return {
        depth: secretKey.depth,
        parentFingerprint: secretKey.parentFingerprint,
        index: secretKey.index,
        chainCode: secretKey.chainCode,
        secretKey: secretKey.key,
        publicKey: publicKey.key
    };
}
exports.newDerivationNodeFromKeys = newDerivationNodeFromKeys;
function newCryptoDerivativeFromKeys(secretKey, publicKey) {
    var node = newDerivationNodeFromKeys(secretKey, publicKey);
    return newCryptoDerivativeFromNode(node);
}
exports.newCryptoDerivativeFromKeys = newCryptoDerivativeFromKeys;
function newCryptoDerivativeFromNode(node) {
    return {
        depth: node.depth,
        parentFingerprint: node.parentFingerprint,
        index: node.index,
        chainCode: node.chainCode.toString('hex'),
        secretKey: node.secretKey.toString('hex'),
        publicKey: node.publicKey.toString('hex')
    };
}
exports.newCryptoDerivativeFromNode = newCryptoDerivativeFromNode;
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