crypto: add AES-OCB Web Cryptography algorithm

PR-URL: nodejs/node#59539
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: panva

include/ncrypto.h

@@ -380,6 +380,9 @@ class Cipher final {
   static const Cipher AES_128_KW;
   static const Cipher AES_192_KW;
   static const Cipher AES_256_KW;
+  static const Cipher AES_128_OCB;
+  static const Cipher AES_192_OCB;
+  static const Cipher AES_256_OCB;
   static const Cipher CHACHA20_POLY1305;
 
   struct CipherParams {
@@ -755,6 +758,7 @@ class CipherCtxPointer final {
   int getNid() const;
 
   bool isGcmMode() const;
+  bool isOcbMode() const;
   bool isCcmMode() const;
   bool isWrapMode() const;
   bool isChaCha20Poly1305() const;

src/ncrypto.cpp

@@ -3201,6 +3201,9 @@ const Cipher Cipher::AES_256_GCM = Cipher::FromNid(NID_aes_256_gcm);
 const Cipher Cipher::AES_128_KW = Cipher::FromNid(NID_id_aes128_wrap);
 const Cipher Cipher::AES_192_KW = Cipher::FromNid(NID_id_aes192_wrap);
 const Cipher Cipher::AES_256_KW = Cipher::FromNid(NID_id_aes256_wrap);
+const Cipher Cipher::AES_128_OCB = Cipher::FromNid(NID_aes_128_ocb);
+const Cipher Cipher::AES_192_OCB = Cipher::FromNid(NID_aes_192_ocb);
+const Cipher Cipher::AES_256_OCB = Cipher::FromNid(NID_aes_256_ocb);
 const Cipher Cipher::CHACHA20_POLY1305 = Cipher::FromNid(NID_chacha20_poly1305);
 
 bool Cipher::isGcmMode() const {
@@ -3476,6 +3479,11 @@ bool CipherCtxPointer::isGcmMode() const {
   return getMode() == EVP_CIPH_GCM_MODE;
 }
 
+bool CipherCtxPointer::isOcbMode() const {
+  if (!ctx_) return false;
+  return getMode() == EVP_CIPH_OCB_MODE;
+}
+
 bool CipherCtxPointer::isCcmMode() const {
   if (!ctx_) return false;
   return getMode() == EVP_CIPH_CCM_MODE;