compatibility fix of rumtime and legacy node

util/crypto.js

@@ -151,7 +151,8 @@ const decrypt = (cipher) => {
 }
 
 const aesEcbEncrypt = (key, plaintext) => {
-  const cipher = crypto.createCipheriv(`aes-${key.length * 8}-ecb`, key, null)
+  // 某些运行时不允许使用 null 作为 IV，因此使用 Buffer.alloc(0) ,同时与上下文deriveX25519AesKey等函数保持一致
+  const cipher = crypto.createCipheriv(`aes-${key.length * 8}-ecb`, key, Buffer.alloc(0))
   return Buffer.concat([cipher.update(Buffer.from(plaintext)), cipher.final()])
 }
 
@@ -159,7 +160,7 @@ const aesEcbDecrypt = (key, ciphertext) => {
   const decipher = crypto.createDecipheriv(
     `aes-${key.length * 8}-ecb`,
     key,
-    null,
+    Buffer.alloc(0),
   )
   return Buffer.concat([decipher.update(ciphertext), decipher.final()])
 }