browserify-hybrid-crypto/src/normalization.ts

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

import { HybridEncryption, NormalizedHybridEncryption } from "./interfaces";
import { fromBase64, toBase64 } from "./utils";

export function normalizeHybridEncryption(
  hybridEncryption: HybridEncryption,
): NormalizedHybridEncryption {
  return {
    encryptedSessionKey: toBase64(hybridEncryption.encryptedSessionKey),
    encryptedSigningKey: toBase64(hybridEncryption.encryptedSigningKey),
    encryptedData: toBase64(hybridEncryption.encryptedData),
    signature: toBase64(hybridEncryption.signature),
    iv: toBase64(hybridEncryption.iv),
  };
}

export function denormalizeHybridEncryption(
  normalized: NormalizedHybridEncryption,
): HybridEncryption {
  return {
    encryptedSessionKey: fromBase64(normalized.encryptedSessionKey),
    encryptedSigningKey: fromBase64(normalized.encryptedSigningKey),
    encryptedData: fromBase64(normalized.encryptedData),
    signature: fromBase64(normalized.signature),
    iv: new Uint8Array(fromBase64(normalized.iv)),
  };
}