From 433f3e554b6573ab6cc7b85ac5f3e9140695ca01 Mon Sep 17 00:00:00 2001
From: user <60944239+wipedlifepotato@users.noreply.github.com>
Date: Sun, 7 Jun 2026 13:55:31 +0000
Subject: [PATCH] PQ: preproccessor magic

---
 libi2pd/Crypto.h        |  5 +++++
 libi2pd/PostQuantum.cpp | 14 +++++++++-----
 2 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/libi2pd/Crypto.h b/libi2pd/Crypto.h
index 3b9dfb93..db3ef5cd 100644
--- a/libi2pd/Crypto.h
+++ b/libi2pd/Crypto.h
@@ -34,6 +34,11 @@
 #if (OPENSSL_VERSION_NUMBER >= 0x030500000) // 3.5.0
 #	define OPENSSL_PQ 1
 #endif
+#ifdef LIBRESSL_VERSION_NUMBER
+	#if (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER >= 0x4030200fL)) 
+#		define OPENSSL_PQ
+	#endif
+#endif
 
 namespace i2p
 {
diff --git a/libi2pd/PostQuantum.cpp b/libi2pd/PostQuantum.cpp
index d69871d2..db2e79e6 100644
--- a/libi2pd/PostQuantum.cpp
+++ b/libi2pd/PostQuantum.cpp
@@ -15,9 +15,12 @@
 #include <openssl/core_names.h>
 
 #if defined(LIBRESSL_VERSION_NUMBER)
-	// only for openbsd
+	#warning like you use libressl
 	#include<openssl/mlkem.h>
-	#define is_openbsd ""
+	#define is_libre ""
+#error libressl
+#else 
+	#warning like you use openssl
 #endif
 
 namespace i2p
@@ -31,7 +34,7 @@ namespace crypto
 	}
 	MLKEMKEYS::FreeKeys(void) 
 	{
-#ifndef is_openbsd
+#ifndef is_libre
 		if (m_Pkey) EVP_PKEY_free (m_Pkey);
 #else
 	        if (m_Pkey) MLKEM_private_key_free (m_Pkey);
@@ -45,7 +48,7 @@ namespace crypto
 	void MLKEMKeys::GenerateKeys ()
 	{
 		FreeKeys();
-#ifndef is_openbsd
+#ifndef is_libre
 		m_Pkey = EVP_PKEY_Q_keygen(NULL, NULL, m_Name.c_str ());
 #else
 		m_Pkey = MLKEM_private_key_new(MLKEM768_RANK);
@@ -263,5 +266,6 @@ namespace crypto
 	}
 }
 }
-
+#else
+	#warning You are compile without PQ support
 #endif