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crypto: ghash-generic - move common definitions to a new header file

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Move common values and types used by ghash-generic to a new header file
so drivers can directly use ghash-generic as a fallback implementation.

Fixes: cc333cd68d ("crypto: vmx - Adding GHASH routines for VMX module")
Cc: stable@vger.kernel.org
Signed-off-by: Marcelo Cerri <marcelo.cerri@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Marcelo Cerri 2016-09-28 13:42:09 -03:00 committed by Herbert Xu
parent 0cf43f509f
commit a397ba829d
2 changed files with 24 additions and 12 deletions
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13
crypto/ghash-generic.c
View File

@ -14,24 +14,13 @@
#include <crypto/algapi.h>
#include <crypto/gf128mul.h>
#include <crypto/ghash.h>
#include <crypto/internal/hash.h>
#include <linux/crypto.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#define GHASH_BLOCK_SIZE 16
#define GHASH_DIGEST_SIZE 16
struct ghash_ctx {
struct gf128mul_4k *gf128;
};
struct ghash_desc_ctx {
u8 buffer[GHASH_BLOCK_SIZE];
u32 bytes;
};
static int ghash_init(struct shash_desc *desc)
{
struct ghash_desc_ctx *dctx = shash_desc_ctx(desc);

23
include/crypto/ghash.h Normal file
View File

@ -0,0 +1,23 @@
/*
* Common values for GHASH algorithms
*/
#ifndef __CRYPTO_GHASH_H__
#define __CRYPTO_GHASH_H__
#include <linux/types.h>
#include <crypto/gf128mul.h>
#define GHASH_BLOCK_SIZE 16
#define GHASH_DIGEST_SIZE 16
struct ghash_ctx {
struct gf128mul_4k *gf128;
};
struct ghash_desc_ctx {
u8 buffer[GHASH_BLOCK_SIZE];
u32 bytes;
};
#endif