diff --git a/examples/test.rs b/examples/test.rs
index c628ab2..a0ca7e1 100644
--- a/examples/test.rs
+++ b/examples/test.rs
@@ -6,8 +6,8 @@
 
 use rustwallet::{
     aes_decrypt, aes_encrypt, generate_sec_key, get_address, get_public_key, hash_pass_svr,
-    hex_deflate, hex_inflate, keccak256_hash, local_pass_hasher, sign, sign_for_tran,
-    wallet_decrypt, wallet_encrypt,
+    hex_deflate, hex_inflate, keccak256_hash, local_pass_hasher, rdecrypt, rencrypt, sign,
+    sign_for_tran, wallet_decrypt, wallet_encrypt,
 };
 use std::ffi::{CStr, CString};
 use std::os::raw::c_char;
@@ -56,8 +56,8 @@ fn main() {
         // let s_key = generate_sec_key(&wallet);
         // print_cchar!(s_key);
 
-        let key0 = "3f26e586111b5c4cab6a5dd5e0d13c3b13184ba74410ba064a3b485be4f9a2cd";
-        let key1 = "cd00eb0126aeed39762579ce94c90a04695ad17fbd5e79aa4e9fc4a34ba32a5";
+        let key0 = "3f26e586111b5c4cab6a5dd5e0d13c3b13184ba74410ba064a3b485be4f9a2ed";
+        let key1 = "cd00eb0126aeed39762579ce94c90a04695ad17fbd5e79aa4e9fc4a34ba32c5";
         let address2 = get_address(
             str_to_cchar!(msg_key),
             str_to_cchar!(key0),
@@ -131,5 +131,13 @@ fn main() {
 
         let local_pass_hass = local_pass_hasher(str_to_cchar!(pass));
         print_cchar!(local_pass_hass);
+
+        let msg_to_encrypt = "hello world";
+        let msg_encrypted = rencrypt(key_public, str_to_cchar!(msg_to_encrypt));
+        print_cchar!(msg_encrypted);
+        let msg_d = hex_deflate(msg_encrypted);
+        print_cchar!(msg_d);
+        let msg_decrypted = rdecrypt(key_private, msg_encrypted);
+        print_cchar!(msg_decrypted);
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index 315e2ef..f1c35dd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,6 +11,7 @@ use std::str::FromStr;
 
 mod wallet;
 use secp256k1::PublicKey;
+use secp256k1::SecretKey;
 use wallet_impl::Wallet;
 
 use crate::wallet::*;
@@ -132,6 +133,21 @@ pub unsafe extern "C" fn rencrypt(pk: *const c_char, msg: *const c_char) -> *mut
     str_to_cchar!(msg_encrypt)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn rdecrypt(sk: *const c_char, msg: *const c_char) -> *mut c_char {
+    let msg_str = cchar_to_str!(msg);
+    let sk_str = cchar_to_str!(sk);
+    let private_key = match SecretKey::from_str(sk_str) {
+        Ok(v) => v,
+        Err(e) => panic!("error parse publickey: {}", e),
+    };
+    let msg_encrypt = match zdecrypt(private_key, msg_str) {
+        Ok(v) => v,
+        Err(err) => panic!("error encrypt: {:?}", err),
+    };
+    str_to_cchar!(msg_encrypt)
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn wallet_encrypt(
     msg_key: *const c_char,