Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Cryptographic API.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Glue code for the SHA1 Secure Hash Algorithm assembler implementation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * This file is based on sha1_generic.c and sha1_ssse3_glue.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Copyright (c) Alan Smithee.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  * Copyright (c) Mathias Krause <minipli@googlemail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <crypto/internal/hash.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <crypto/sha.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <crypto/sha1_base.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include "sha1.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) asmlinkage void sha1_block_data_order(u32 *digest,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		const unsigned char *data, unsigned int rounds);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) int sha1_update_arm(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		    unsigned int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	/* make sure casting to sha1_block_fn() is safe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	return sha1_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 				   (sha1_block_fn *)sha1_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) EXPORT_SYMBOL_GPL(sha1_update_arm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int sha1_final(struct shash_desc *desc, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	return sha1_base_finish(desc, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int sha1_finup_arm(struct shash_desc *desc, const u8 *data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		   unsigned int len, u8 *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	sha1_base_do_update(desc, data, len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 			    (sha1_block_fn *)sha1_block_data_order);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	return sha1_final(desc, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) EXPORT_SYMBOL_GPL(sha1_finup_arm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static struct shash_alg alg = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	.digestsize	=	SHA1_DIGEST_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	.init		=	sha1_base_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	.update		=	sha1_update_arm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	.final		=	sha1_final,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	.finup		=	sha1_finup_arm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	.descsize	=	sizeof(struct sha1_state),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	.base		=	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		.cra_name	=	"sha1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		.cra_driver_name=	"sha1-asm",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		.cra_priority	=	150,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		.cra_blocksize	=	SHA1_BLOCK_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 		.cra_module	=	THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static int __init sha1_mod_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	return crypto_register_shash(&alg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static void __exit sha1_mod_fini(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 	crypto_unregister_shash(&alg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) module_init(sha1_mod_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) module_exit(sha1_mod_fini);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) MODULE_ALIAS_CRYPTO("sha1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");