chaingate/dist/esm/InternalUtils/Crypto.js

A complete TypeScript library for connecting to and making transactions on different blockchains

import { pbkdf2Async } from '@noble/hashes/pbkdf2';
import { sha256 } from '@noble/hashes/sha256';
export async function pbkdf2(params) {
    const subtleAvailable = !!global.crypto?.subtle?.importKey && !!global.crypto?.subtle?.deriveBits;
    if (subtleAvailable)
        return await pbkdf2Subtle(params);
    else {
        console.warn(`  
          Your browser is using HTTP (not HTTPS), which:  
            • Disables native encryption acceleration  
            • Forces ~10× slower JavaScript fallback  
        
          Critical impacts:  
            → Encryption/decryption operations will be 10 times slower  
            → Sensitive data could be intercepted`);
        return await pbkdf2Async(sha256, params.password, params.salt, {
            c: params.iterations,
            dkLen: params.dkLen,
        });
    }
}
async function pbkdf2Subtle(params) {
    // Setup key material for key derivation
    const deriveKeyMaterial = await crypto.subtle.importKey('raw', new TextEncoder().encode(params.password), { name: 'PBKDF2' }, false, ['deriveBits', 'deriveKey']);
    // Derive the key
    const derivedKeyBits = await crypto.subtle.deriveBits({
        name: 'PBKDF2',
        salt: new Uint8Array(params.salt),
        iterations: params.iterations,
        hash: 'SHA-256',
    }, deriveKeyMaterial, params.dkLen * 8);
    return new Uint8Array(derivedKeyBits);
}
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