Function cipherOrWrap

lib/internal/crypto/webcrypto.js:1237–1268

(mode, normalizedAlgorithm, key, data)

}

function cipherOrWrap(mode, normalizedAlgorithm, key, data) {
  // While WebCrypto allows for larger input buffer sizes, we limit
  // those to sizes that can fit within uint32_t because of limitations
  // in the OpenSSL API.
  validateMaxBufferLength(data, 'data');

  switch (normalizedAlgorithm.name) {
    case 'RSA-OAEP':
      return require('internal/crypto/rsa')
        .rsaCipher(mode, key, data, normalizedAlgorithm);
    case 'AES-CTR':
      // Fall through
    case 'AES-CBC':
      // Fall through
    case 'AES-GCM':
      // Fall through
    case 'AES-OCB':
      // Fall through
    case 'AES-KW':
      return require('internal/crypto/aes')
        .aesCipher(mode, key, data, normalizedAlgorithm);
    case 'ChaCha20-Poly1305':
      return require('internal/crypto/chacha20_poly1305')
        .c20pCipher(mode, key, data, normalizedAlgorithm);
    /* c8 ignore start */
    default: {
      const assert = require('internal/assert');
      assert.fail('Unreachable code');
    }
    /* c8 ignore stop */
  }
}

function encrypt(algorithm, key, data) {
  return callSubtleCryptoMethod(encryptImpl, this, arguments);