vana-sdk/dist/utils/encryption.js

A TypeScript library for interacting with Vana Network smart contracts

"use strict";
/**
 * Utility functions for encryption related operations in the Vana SDK
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.encryptFileKey = encryptFileKey;
exports.getEncryptionParameters = getEncryptionParameters;
exports.decryptWithPrivateKey = decryptWithPrivateKey;
/**
 * Encrypt a file key with a DLP's public key
 * @param fileKey The symmetric key used to encrypt the file
 * @param publicKey The DLP's public key
 * @returns The encrypted key that can be stored on-chain
 */
async function encryptFileKey(fileKey, publicKey) {
    // In a real implementation, this would use asymmetric encryption
    // For example, using the Web Crypto API or a library like noble-secp256k1
    // This is a placeholder implementation
    // TODO: Implement actual encryption using appropriate libraries
    console.warn("Placeholder encryption - not secure for production use");
    return `encrypted:${fileKey}:${publicKey.substring(0, 8)}`;
}
/**
 * Generate encryption parameters for secure file storage
 * @returns An object containing the initialization vector and encryption key
 */
function getEncryptionParameters() {
    // In a real implementation, this would generate a secure random IV and key
    // using the Web Crypto API or another crypto library
    // This is a placeholder implementation
    // TODO: Implement actual secure parameter generation
    console.warn("Placeholder parameter generation - not secure for production use");
    return {
        iv: Math.random().toString(36).substring(2, 10),
        key: Math.random().toString(36).substring(2, 18),
    };
}
/**
 * Decrypt data that was encrypted with the DLP's public key
 * @param encryptedData The encrypted data
 * @param privateKey The private key corresponding to the public key used for encryption
 * @returns The decrypted data
 */
async function decryptWithPrivateKey(encryptedData, privateKey) {
    // In a real implementation, this would use asymmetric decryption
    // This is a placeholder implementation
    // TODO: Implement actual decryption using appropriate libraries
    console.warn("Placeholder decryption - not secure for production use");
    if (encryptedData.startsWith("encrypted:")) {
        return encryptedData.split(":")[1];
    }
    return encryptedData;
}
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