From fd24e1905b479dcdea58b9445fc4c837df908df7 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 17 Sep 2018 20:41:20 +0200
Subject: crypto: turn Zinc into individual modules

---
 src/crypto/zinc/curve25519/curve25519.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/crypto/zinc/curve25519/curve25519.c')

diff --git a/src/crypto/zinc/curve25519/curve25519.c b/src/crypto/zinc/curve25519/curve25519.c
index 7d19fb9..fca327f 100644
--- a/src/crypto/zinc/curve25519/curve25519.c
+++ b/src/crypto/zinc/curve25519/curve25519.c
@@ -15,6 +15,8 @@
 #include <linux/version.h>
 #include <linux/string.h>
 #include <linux/random.h>
+#include <linux/module.h>
+#include <linux/init.h>
 #include <crypto/algapi.h>
 
 #if defined(CONFIG_ZINC_ARCH_X86_64)
@@ -85,3 +87,29 @@ void curve25519_generate_secret(u8 secret[CURVE25519_POINT_SIZE])
 EXPORT_SYMBOL(curve25519_generate_secret);
 
 #include "../selftest/curve25519.h"
+
+#ifndef COMPAT_ZINC_IS_A_MODULE
+int __init curve25519_mod_init(void)
+#else
+static int __init mod_init(void)
+#endif
+{
+	curve25519_fpu_init();
+#ifdef DEBUG
+	if (!curve25519_selftest())
+		return -ENOTRECOVERABLE;
+#endif
+	return 0;
+}
+
+#ifdef COMPAT_ZINC_IS_A_MODULE
+static void __exit mod_exit(void)
+{
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Curve25519 scalar multiplication");
+MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
+#endif
-- 
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