browserify-hybrid-crypto/src/default-iv.ts

TypeScript implementation Hybrid encryption and signing library built on Web Crypto (AES + RSA + HMAC).

import { AESAlgorithm } from "./interfaces";

export function getDefaultIvLength(aesAlgorithm: AESAlgorithm): number {
  switch (aesAlgorithm) {
    case "AES-GCM":
      return 12; // Recommended for GCM
    case "AES-CBC":
    case "AES-CTR":
      return 16; // Recommended for CBC/CTR
    default:
      return 12; // Fallback to GCM default
  }
}