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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/crypto/sha1_glue.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/crypto/sha1_glue.c')
-rw-r--r--arch/arm/crypto/sha1_glue.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/arm/crypto/sha1_glue.c b/arch/arm/crypto/sha1_glue.c
new file mode 100644
index 000000000..6c2b849e4
--- /dev/null
+++ b/arch/arm/crypto/sha1_glue.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cryptographic API.
+ * Glue code for the SHA1 Secure Hash Algorithm assembler implementation
+ *
+ * This file is based on sha1_generic.c and sha1_ssse3_glue.c
+ *
+ * Copyright (c) Alan Smithee.
+ * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
+ * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
+ * Copyright (c) Mathias Krause <minipli@googlemail.com>
+ */
+
+#include <crypto/internal/hash.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <crypto/sha1.h>
+#include <crypto/sha1_base.h>
+#include <asm/byteorder.h>
+
+#include "sha1.h"
+
+asmlinkage void sha1_block_data_order(u32 *digest,
+ const unsigned char *data, unsigned int rounds);
+
+int sha1_update_arm(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ /* make sure casting to sha1_block_fn() is safe */
+ BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0);
+
+ return sha1_base_do_update(desc, data, len,
+ (sha1_block_fn *)sha1_block_data_order);
+}
+EXPORT_SYMBOL_GPL(sha1_update_arm);
+
+static int sha1_final(struct shash_desc *desc, u8 *out)
+{
+ sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_block_data_order);
+ return sha1_base_finish(desc, out);
+}
+
+int sha1_finup_arm(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ sha1_base_do_update(desc, data, len,
+ (sha1_block_fn *)sha1_block_data_order);
+ return sha1_final(desc, out);
+}
+EXPORT_SYMBOL_GPL(sha1_finup_arm);
+
+static struct shash_alg alg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .init = sha1_base_init,
+ .update = sha1_update_arm,
+ .final = sha1_final,
+ .finup = sha1_finup_arm,
+ .descsize = sizeof(struct sha1_state),
+ .base = {
+ .cra_name = "sha1",
+ .cra_driver_name= "sha1-asm",
+ .cra_priority = 150,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
+};
+
+
+static int __init sha1_mod_init(void)
+{
+ return crypto_register_shash(&alg);
+}
+
+
+static void __exit sha1_mod_fini(void)
+{
+ crypto_unregister_shash(&alg);
+}
+
+
+module_init(sha1_mod_init);
+module_exit(sha1_mod_fini);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)");
+MODULE_ALIAS_CRYPTO("sha1");
+MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");