Imported Upstream version 2.6.1

[platform/upstream/cryptsetup.git] / lib / crypto_backend / crypto_kernel.c

diff --git a/lib/crypto_backend/crypto_kernel.c b/lib/crypto_backend/crypto_kernel.c
index 2881ed4..8493c0a 100644 (file)
--- a/lib/crypto_backend/crypto_kernel.c
+++ b/lib/crypto_backend/crypto_kernel.c
@@ -1,8 +1,8 @@
 /*
  * Linux kernel userspace API crypto backend implementation
  *
- * Copyright (C) 2010-2021 Red Hat, Inc. All rights reserved.
- * Copyright (C) 2010-2021 Milan Broz
+ * Copyright (C) 2010-2023 Red Hat, Inc. All rights reserved.
+ * Copyright (C) 2010-2023 Milan Broz
  *
  * This file is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -29,7 +29,6 @@
 #include <linux/if_alg.h>
 #include "crypto_backend_internal.h"
 
-/* FIXME: remove later */
 #ifndef AF_ALG
 #define AF_ALG 38
 #endif
@@ -118,7 +117,7 @@ static int crypt_kernel_socket_init(struct sockaddr_alg *sa, int *tfmfd, int *op
        return 0;
 }
 
-int crypt_backend_init(void)
+int crypt_backend_init(bool fips __attribute__((unused)))
 {
        struct utsname uts;
        struct sockaddr_alg sa = {
@@ -330,7 +329,8 @@ void crypt_hmac_destroy(struct crypt_hmac *ctx)
 }
 
 /* RNG - N/A */
-int crypt_backend_rng(char *buffer, size_t length, int quality, int fips)
+int crypt_backend_rng(char *buffer __attribute__((unused)), size_t length __attribute__((unused)),
+       int quality __attribute__((unused)), int fips __attribute__((unused)))
 {
        return -EINVAL;
 }
@@ -403,7 +403,7 @@ int crypt_cipher_decrypt(struct crypt_cipher *ctx,
        return crypt_cipher_decrypt_kernel(&ctx->ck, in, out, length, iv, iv_length);
 }
 
-bool crypt_cipher_kernel_only(struct crypt_cipher *ctx)
+bool crypt_cipher_kernel_only(struct crypt_cipher *ctx __attribute__((unused)))
 {
        return true;
 }
@@ -416,3 +416,13 @@ int crypt_bitlk_decrypt_key(const void *key, size_t key_length,
        return crypt_bitlk_decrypt_key_kernel(key, key_length, in, out, length,
                                              iv, iv_length, tag, tag_length);
 }
+
+int crypt_backend_memeq(const void *m1, const void *m2, size_t n)
+{
+       return crypt_internal_memeq(m1, m2, n);
+}
+
+bool crypt_fips_mode(void)
+{
+       return false;
+}