diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/crypto/sha1_glue.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
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.c | 88 |
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>"); |