1 files changed, 0 insertions, 45 deletions
diff --git a/kernel/module_signing.c b/kernel/module_signing.c
deleted file mode 100644
index 8723ae70ea1f..000000000000
--- a/kernel/module_signing.c
+++ /dev/null
@@ -1,45 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/* Module signature checker
- *
- * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/module.h>
-#include <linux/module_signature.h>
-#include <linux/string.h>
-#include <linux/verification.h>
-#include <crypto/public_key.h>
-#include "module-internal.h"
-
-/*
- * Verify the signature on a module.
- */
-int mod_verify_sig(const void *mod, struct load_info *info)
-{
-	struct module_signature ms;
-	size_t sig_len, modlen = info->len;
-	int ret;
-
-	pr_devel("==>%s(,%zu)\n", __func__, modlen);
-
-	if (modlen <= sizeof(ms))
-		return -EBADMSG;
-
-	memcpy(&ms, mod + (modlen - sizeof(ms)), sizeof(ms));
-
-	ret = mod_check_sig(&ms, modlen, "module");
-	if (ret)
-		return ret;
-
-	sig_len = be32_to_cpu(ms.sig_len);
-	modlen -= sig_len + sizeof(ms);
-	info->len = modlen;
-
-	return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
-				      VERIFY_USE_SECONDARY_KEYRING,
-				      VERIFYING_MODULE_SIGNATURE,
-				      NULL, NULL);
-}