From 0be795293cebf46af5b03ac007864921a2f1dc5e Mon Sep 17 00:00:00 2001
From: Neil Cook <neil.cook@noware.co.uk>
Date: Tue, 25 Jul 2023 08:38:27 +0100
Subject: [PATCH] Make context a static variable so that it doesn't get created
 everytime

---
 common/sodcrypto.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/sodcrypto.cc b/common/sodcrypto.cc
index 685be5b2..573e499a 100644
--- a/common/sodcrypto.cc
+++ b/common/sodcrypto.cc
@@ -84,7 +84,7 @@ std::string sodEncryptSym(const std::string& msg, const std::string& key, Sodium
   int len;
   int ciphertext_len;
   // Each thread gets its own cipher context
-  thread_local auto ctx = std::unique_ptr<EVP_CIPHER_CTX, decltype(&EVP_CIPHER_CTX_free)>(nullptr, EVP_CIPHER_CTX_free);;
+  static thread_local auto ctx = std::unique_ptr<EVP_CIPHER_CTX, decltype(&EVP_CIPHER_CTX_free)>(nullptr, EVP_CIPHER_CTX_free);
 
   if (key.length() != CHACHA20_POLY1305_KEY_SIZE) {
     ostringstream err;
@@ -126,7 +126,7 @@ std::string sodDecryptSym(const std::string& msg, const std::string& key, Sodium
   int len;
   int plaintext_len;
   // Each thread gets its own cipher context
-  thread_local auto ctx = std::unique_ptr<EVP_CIPHER_CTX, decltype(&EVP_CIPHER_CTX_free)>(nullptr, EVP_CIPHER_CTX_free);;
+  static thread_local auto ctx = std::unique_ptr<EVP_CIPHER_CTX, decltype(&EVP_CIPHER_CTX_free)>(nullptr, EVP_CIPHER_CTX_free);
 
   if (key.length() != CHACHA20_POLY1305_KEY_SIZE) {
     ostringstream err;