Geforce File Manager

NAME	SIZE	ACTIONS
📁 internal		[ DEL ]
📄 acompress.h	8,120 B	[ EDIT ] \| [ DEL ]
📄 aead.h	18,729 B	[ EDIT ] \| [ DEL ]
📄 aes.h	1,058 B	[ EDIT ] \| [ DEL ]
📄 akcipher.h	11,989 B	[ EDIT ] \| [ DEL ]
📄 algapi.h	12,163 B	[ EDIT ] \| [ DEL ]
📄 arc4.h	484 B	[ EDIT ] \| [ DEL ]
📄 authenc.h	845 B	[ EDIT ] \| [ DEL ]
📄 b128ops.h	2,471 B	[ EDIT ] \| [ DEL ]
📄 blowfish.h	415 B	[ EDIT ] \| [ DEL ]
📄 cast5.h	590 B	[ EDIT ] \| [ DEL ]
📄 cast6.h	636 B	[ EDIT ] \| [ DEL ]
📄 cast_common.h	232 B	[ EDIT ] \| [ DEL ]
📄 cbc.h	3,562 B	[ EDIT ] \| [ DEL ]
📄 chacha20.h	638 B	[ EDIT ] \| [ DEL ]
📄 cryptd.h	2,562 B	[ EDIT ] \| [ DEL ]
📄 crypto_wq.h	161 B	[ EDIT ] \| [ DEL ]
📄 ctr.h	1,666 B	[ EDIT ] \| [ DEL ]
📄 des.h	1,403 B	[ EDIT ] \| [ DEL ]
📄 dh.h	2,784 B	[ EDIT ] \| [ DEL ]
📄 drbg.h	9,160 B	[ EDIT ] \| [ DEL ]
📄 ecdh.h	2,733 B	[ EDIT ] \| [ DEL ]
📄 engine.h	4,202 B	[ EDIT ] \| [ DEL ]
📄 gcm.h	140 B	[ EDIT ] \| [ DEL ]
📄 gf128mul.h	9,647 B	[ EDIT ] \| [ DEL ]
📄 ghash.h	381 B	[ EDIT ] \| [ DEL ]
📄 hash.h	33,386 B	[ EDIT ] \| [ DEL ]
📄 hash_info.h	1,153 B	[ EDIT ] \| [ DEL ]
📄 hmac.h	173 B	[ EDIT ] \| [ DEL ]
📄 if_alg.h	7,170 B	[ EDIT ] \| [ DEL ]
📄 kpp.h	9,926 B	[ EDIT ] \| [ DEL ]
📄 md5.h	497 B	[ EDIT ] \| [ DEL ]
📄 morus1280_glue.h	4,647 B	[ EDIT ] \| [ DEL ]
📄 morus640_glue.h	4,585 B	[ EDIT ] \| [ DEL ]
📄 morus_common.h	720 B	[ EDIT ] \| [ DEL ]
📄 null.h	341 B	[ EDIT ] \| [ DEL ]
📄 padlock.h	649 B	[ EDIT ] \| [ DEL ]
📄 pcrypt.h	1,435 B	[ EDIT ] \| [ DEL ]
📄 pkcs7.h	1,388 B	[ EDIT ] \| [ DEL ]
📄 poly1305.h	920 B	[ EDIT ] \| [ DEL ]
📄 public_key.h	2,126 B	[ EDIT ] \| [ DEL ]
📄 rng.h	6,820 B	[ EDIT ] \| [ DEL ]
📄 scatterwalk.h	3,755 B	[ EDIT ] \| [ DEL ]
📄 serpent.h	712 B	[ EDIT ] \| [ DEL ]
📄 sha.h	4,350 B	[ EDIT ] \| [ DEL ]
📄 sha1_base.h	2,532 B	[ EDIT ] \| [ DEL ]
📄 sha256_base.h	2,629 B	[ EDIT ] \| [ DEL ]
📄 sha3.h	879 B	[ EDIT ] \| [ DEL ]
📄 sha512_base.h	3,271 B	[ EDIT ] \| [ DEL ]
📄 skcipher.h	23,381 B	[ EDIT ] \| [ DEL ]
📄 sm3.h	833 B	[ EDIT ] \| [ DEL ]
📄 sm3_base.h	3,024 B	[ EDIT ] \| [ DEL ]
📄 sm4.h	754 B	[ EDIT ] \| [ DEL ]
📄 speck.h	1,357 B	[ EDIT ] \| [ DEL ]
📄 twofish.h	755 B	[ EDIT ] \| [ DEL ]
📄 xts.h	1,385 B	[ EDIT ] \| [ DEL ]

[ CLOSE ]

EDIT: sha256_base.h

/*
 * sha256_base.h - core logic for SHA-256 implementations
 *
 * Copyright (C) 2015 Linaro Ltd <ard.biesheuvel@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <crypto/internal/hash.h>
#include <crypto/sha.h>
#include <linux/crypto.h>
#include <linux/module.h>

#include <asm/unaligned.h>

typedef void (sha256_block_fn)(struct sha256_state *sst, u8 const *src,
			       int blocks);

static inline int sha224_base_init(struct shash_desc *desc)
{
	struct sha256_state *sctx = shash_desc_ctx(desc);

return sha224_init(sctx);
}

static inline int sha256_base_init(struct shash_desc *desc)
{
	struct sha256_state *sctx = shash_desc_ctx(desc);

return sha256_init(sctx);
}

static inline int sha256_base_do_update(struct shash_desc *desc,
					const u8 *data,
					unsigned int len,
					sha256_block_fn *block_fn)
{
	struct sha256_state *sctx = shash_desc_ctx(desc);
	unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;

sctx->count += len;

if (unlikely((partial + len) >= SHA256_BLOCK_SIZE)) {
		int blocks;

if (partial) {
			int p = SHA256_BLOCK_SIZE - partial;

memcpy(sctx->buf + partial, data, p);
			data += p;
			len -= p;

block_fn(sctx, sctx->buf, 1);
		}

blocks = len / SHA256_BLOCK_SIZE;
		len %= SHA256_BLOCK_SIZE;

if (blocks) {
			block_fn(sctx, data, blocks);
			data += blocks * SHA256_BLOCK_SIZE;
		}
		partial = 0;
	}
	if (len)
		memcpy(sctx->buf + partial, data, len);

return 0;
}

static inline int sha256_base_do_finalize(struct shash_desc *desc,
					  sha256_block_fn *block_fn)
{
	const int bit_offset = SHA256_BLOCK_SIZE - sizeof(__be64);
	struct sha256_state *sctx = shash_desc_ctx(desc);
	__be64 *bits = (__be64 *)(sctx->buf + bit_offset);
	unsigned int partial = sctx->count % SHA256_BLOCK_SIZE;

sctx->buf[partial++] = 0x80;
	if (partial > bit_offset) {
		memset(sctx->buf + partial, 0x0, SHA256_BLOCK_SIZE - partial);
		partial = 0;

block_fn(sctx, sctx->buf, 1);
	}

memset(sctx->buf + partial, 0x0, bit_offset - partial);
	*bits = cpu_to_be64(sctx->count << 3);
	block_fn(sctx, sctx->buf, 1);

return 0;
}

static inline int sha256_base_finish(struct shash_desc *desc, u8 *out)
{
	unsigned int digest_size = crypto_shash_digestsize(desc->tfm);
	struct sha256_state *sctx = shash_desc_ctx(desc);
	__be32 *digest = (__be32 *)out;
	int i;

for (i = 0; digest_size > 0; i++, digest_size -= sizeof(__be32))
		put_unaligned_be32(sctx->state[i], digest++);

*sctx = (struct sha256_state){};
	return 0;
}