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crypto: aead - Rename aead_alg to old_aead_alg 

This patch is the first step in the introduction of a new AEAD
alg type.  Unlike normal conversions this patch only renames the
existing aead_alg structure because there are external references
to it.

Those references will be removed after this patch.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
hifive-unleashed-5.1
Herbert Xu 2015-05-21 15:11:02 +08:00
parent 996d98d85c
commit 2d0f230fe0
4 changed files with 23 additions and 15 deletions
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25
crypto/aead.c
View File

@ -33,7 +33,7 @@ static int aead_null_givdecrypt(struct aead_givcrypt_request *req);
static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen)
{
struct aead_alg *aead = crypto_aead_alg(tfm);
struct old_aead_alg *aead = crypto_old_aead_alg(tfm);
unsigned long alignmask = crypto_aead_alignmask(tfm);
int ret;
u8 *buffer, *alignbuffer;
@ -55,7 +55,7 @@ static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key,
int crypto_aead_setkey(struct crypto_aead *tfm,
const u8 *key, unsigned int keylen)
{
struct aead_alg *aead = crypto_aead_alg(tfm);
struct old_aead_alg *aead = crypto_old_aead_alg(tfm);
unsigned long alignmask = crypto_aead_alignmask(tfm);
tfm = tfm->child;
@ -71,11 +71,12 @@ int crypto_aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
{
int err;
if (authsize > crypto_aead_alg(tfm)->maxauthsize)
if (authsize > crypto_old_aead_alg(tfm)->maxauthsize)
return -EINVAL;
if (crypto_aead_alg(tfm)->setauthsize) {
err = crypto_aead_alg(tfm)->setauthsize(tfm->child, authsize);
if (crypto_old_aead_alg(tfm)->setauthsize) {
err = crypto_old_aead_alg(tfm)->setauthsize(
tfm->child, authsize);
if (err)
return err;
}
@ -126,7 +127,7 @@ static int old_crypt(struct aead_request *req,
static int old_encrypt(struct aead_request *req)
{
struct crypto_aead *aead = crypto_aead_reqtfm(req);
struct aead_alg *alg = crypto_aead_alg(aead);
struct old_aead_alg *alg = crypto_old_aead_alg(aead);
return old_crypt(req, alg->encrypt);
}
@ -134,7 +135,7 @@ static int old_encrypt(struct aead_request *req)
static int old_decrypt(struct aead_request *req)
{
struct crypto_aead *aead = crypto_aead_reqtfm(req);
struct aead_alg *alg = crypto_aead_alg(aead);
struct old_aead_alg *alg = crypto_old_aead_alg(aead);
return old_crypt(req, alg->decrypt);
}
@ -146,7 +147,7 @@ static int no_givcrypt(struct aead_givcrypt_request *req)
static int crypto_aead_init_tfm(struct crypto_tfm *tfm)
{
struct aead_alg *alg = &tfm->__crt_alg->cra_aead;
struct old_aead_alg *alg = &tfm->__crt_alg->cra_aead;
struct crypto_aead *crt = __crypto_aead_cast(tfm);
if (max(alg->maxauthsize, alg->ivsize) > PAGE_SIZE / 8)
@ -172,7 +173,7 @@ static int crypto_aead_init_tfm(struct crypto_tfm *tfm)
static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
struct old_aead_alg *aead = &alg->cra_aead;
strncpy(raead.type, "aead", sizeof(raead.type));
strncpy(raead.geniv, aead->geniv ?: "<built-in>", sizeof(raead.geniv));
@ -200,7 +201,7 @@ static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
{
struct aead_alg *aead = &alg->cra_aead;
struct old_aead_alg *aead = &alg->cra_aead;
seq_printf(m, "type : aead\n");
seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?
@ -240,7 +241,7 @@ static int aead_null_givdecrypt(struct aead_givcrypt_request *req)
static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_aead raead;
struct aead_alg *aead = &alg->cra_aead;
struct old_aead_alg *aead = &alg->cra_aead;
strncpy(raead.type, "nivaead", sizeof(raead.type));
strncpy(raead.geniv, aead->geniv, sizeof(raead.geniv));
@ -269,7 +270,7 @@ static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
{
struct aead_alg *aead = &alg->cra_aead;
struct old_aead_alg *aead = &alg->cra_aead;
seq_printf(m, "type : nivaead\n");
seq_printf(m, "async : %s\n", alg->cra_flags & CRYPTO_ALG_ASYNC ?

2
include/crypto/aead.h
View File

@ -17,6 +17,8 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#define aead_alg old_aead_alg
/**
* DOC: Authenticated Encryption With Associated Data (AEAD) Cipher API
*

5
include/crypto/internal/aead.h
View File

@ -26,6 +26,11 @@ struct crypto_aead_spawn {
extern const struct crypto_type crypto_aead_type;
extern const struct crypto_type crypto_nivaead_type;
static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm)
{
return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
}
static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
{
return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;

6
include/linux/crypto.h
View File

@ -268,7 +268,7 @@ struct ablkcipher_alg {
};
/**
* struct aead_alg - AEAD cipher definition
* struct old_aead_alg - AEAD cipher definition
* @maxauthsize: Set the maximum authentication tag size supported by the
* transformation. A transformation may support smaller tag sizes.
* As the authentication tag is a message digest to ensure the
@ -293,7 +293,7 @@ struct ablkcipher_alg {
* All fields except @givencrypt , @givdecrypt , @geniv and @ivsize are
* mandatory and must be filled.
*/
struct aead_alg {
struct old_aead_alg {
int (*setkey)(struct crypto_aead *tfm, const u8 *key,
unsigned int keylen);
int (*setauthsize)(struct crypto_aead *tfm, unsigned int authsize);
@ -501,7 +501,7 @@ struct crypto_alg {
union {
struct ablkcipher_alg ablkcipher;
struct aead_alg aead;
struct old_aead_alg aead;
struct blkcipher_alg blkcipher;
struct cipher_alg cipher;
struct compress_alg compress;