Contributors: 19
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Corentin Labbe | 
          148 | 
          27.66% | 
          1 | 
          4.00% | 
        
        
          | Hans de Goede | 
          134 | 
          25.05% | 
          1 | 
          4.00% | 
        
        
          | David S. Miller | 
          110 | 
          20.56% | 
          3 | 
          12.00% | 
        
        
          | Jonathan Lynch | 
          43 | 
          8.04% | 
          1 | 
          4.00% | 
        
        
          | Adrian-Ken Rueegsegger | 
          27 | 
          5.05% | 
          1 | 
          4.00% | 
        
        
          | Eric Biggers | 
          19 | 
          3.55% | 
          4 | 
          16.00% | 
        
        
          | Jussi Kivilinna | 
          14 | 
          2.62% | 
          1 | 
          4.00% | 
        
        
          | Mathias Krause | 
          10 | 
          1.87% | 
          1 | 
          4.00% | 
        
        
          | Ard Biesheuvel | 
          8 | 
          1.50% | 
          1 | 
          4.00% | 
        
        
          | Kamalesh Babulal | 
          4 | 
          0.75% | 
          1 | 
          4.00% | 
        
        
          | Herbert Xu | 
          4 | 
          0.75% | 
          2 | 
          8.00% | 
        
        
          | Michal Ludvig | 
          3 | 
          0.56% | 
          1 | 
          4.00% | 
        
        
          | Kees Cook | 
          2 | 
          0.37% | 
          1 | 
          4.00% | 
        
        
          | Andrew Morton | 
          2 | 
          0.37% | 
          1 | 
          4.00% | 
        
        
          | Jan Glauber | 
          2 | 
          0.37% | 
          1 | 
          4.00% | 
        
        
          | Tianjia Zhang | 
          2 | 
          0.37% | 
          1 | 
          4.00% | 
        
        
          | Thomas Gleixner | 
          1 | 
          0.19% | 
          1 | 
          4.00% | 
        
        
          | Tim Chen | 
          1 | 
          0.19% | 
          1 | 
          4.00% | 
        
        
          | Sebastian Andrzej Siewior | 
          1 | 
          0.19% | 
          1 | 
          4.00% | 
        
	  
	  
        
          | Total | 
          535 | 
           | 
          25 | 
           | 
	    
	  
    
 
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Crypto API wrapper for the generic SHA256 code from lib/crypto/sha256.c
 *
 * Copyright (c) Jean-Luc Cooke <jlcooke@certainkey.com>
 * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
 * SHA224 Support Copyright 2007 Intel Corporation <jonathan.lynch@intel.com>
 */
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <crypto/sha2.h>
#include <crypto/sha256_base.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE] = {
	0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, 0x47,
	0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, 0x15, 0xa2,
	0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, 0xc5, 0xb3, 0xe4,
	0x2f
};
EXPORT_SYMBOL_GPL(sha224_zero_message_hash);
const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE] = {
	0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
	0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
	0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
	0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55
};
EXPORT_SYMBOL_GPL(sha256_zero_message_hash);
int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
			  unsigned int len)
{
	sha256_update(shash_desc_ctx(desc), data, len);
	return 0;
}
EXPORT_SYMBOL(crypto_sha256_update);
static int crypto_sha256_final(struct shash_desc *desc, u8 *out)
{
	if (crypto_shash_digestsize(desc->tfm) == SHA224_DIGEST_SIZE)
		sha224_final(shash_desc_ctx(desc), out);
	else
		sha256_final(shash_desc_ctx(desc), out);
	return 0;
}
int crypto_sha256_finup(struct shash_desc *desc, const u8 *data,
			unsigned int len, u8 *hash)
{
	sha256_update(shash_desc_ctx(desc), data, len);
	return crypto_sha256_final(desc, hash);
}
EXPORT_SYMBOL(crypto_sha256_finup);
static struct shash_alg sha256_algs[2] = { {
	.digestsize	=	SHA256_DIGEST_SIZE,
	.init		=	sha256_base_init,
	.update		=	crypto_sha256_update,
	.final		=	crypto_sha256_final,
	.finup		=	crypto_sha256_finup,
	.descsize	=	sizeof(struct sha256_state),
	.base		=	{
		.cra_name	=	"sha256",
		.cra_driver_name=	"sha256-generic",
		.cra_priority	=	100,
		.cra_blocksize	=	SHA256_BLOCK_SIZE,
		.cra_module	=	THIS_MODULE,
	}
}, {
	.digestsize	=	SHA224_DIGEST_SIZE,
	.init		=	sha224_base_init,
	.update		=	crypto_sha256_update,
	.final		=	crypto_sha256_final,
	.finup		=	crypto_sha256_finup,
	.descsize	=	sizeof(struct sha256_state),
	.base		=	{
		.cra_name	=	"sha224",
		.cra_driver_name=	"sha224-generic",
		.cra_priority	=	100,
		.cra_blocksize	=	SHA224_BLOCK_SIZE,
		.cra_module	=	THIS_MODULE,
	}
} };
static int __init sha256_generic_mod_init(void)
{
	return crypto_register_shashes(sha256_algs, ARRAY_SIZE(sha256_algs));
}
static void __exit sha256_generic_mod_fini(void)
{
	crypto_unregister_shashes(sha256_algs, ARRAY_SIZE(sha256_algs));
}
subsys_initcall(sha256_generic_mod_init);
module_exit(sha256_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm");
MODULE_ALIAS_CRYPTO("sha224");
MODULE_ALIAS_CRYPTO("sha224-generic");
MODULE_ALIAS_CRYPTO("sha256");
MODULE_ALIAS_CRYPTO("sha256-generic");