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authorHerbert Xu <herbert@gondor.apana.org.au>2016-06-29 18:04:04 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2016-07-01 23:45:09 +0800
commit2d20ce070d3b78f0974408ef648223967d0efb0a (patch)
tree13a056c6fc214875399f438a9bd54a5521c2155f /drivers/crypto/qce
parent1eb60ff82d822299b8b4fd685d1f85de87706c00 (diff)
crypto: qce - Use skcipher for fallback
This patch replaces use of the obsolete ablkcipher with skcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qce')
-rw-r--r--drivers/crypto/qce/ablkcipher.c27
-rw-r--r--drivers/crypto/qce/cipher.h2
2 files changed, 17 insertions, 12 deletions
diff --git a/drivers/crypto/qce/ablkcipher.c b/drivers/crypto/qce/ablkcipher.c
index dbcbbe242bd6..b04b42f48366 100644
--- a/drivers/crypto/qce/ablkcipher.c
+++ b/drivers/crypto/qce/ablkcipher.c
@@ -15,8 +15,8 @@
#include <linux/interrupt.h>
#include <linux/types.h>
#include <crypto/aes.h>
-#include <crypto/algapi.h>
#include <crypto/des.h>
+#include <crypto/internal/skcipher.h>
#include "cipher.h"
@@ -189,7 +189,7 @@ static int qce_ablkcipher_setkey(struct crypto_ablkcipher *ablk, const u8 *key,
memcpy(ctx->enc_key, key, keylen);
return 0;
fallback:
- ret = crypto_ablkcipher_setkey(ctx->fallback, key, keylen);
+ ret = crypto_skcipher_setkey(ctx->fallback, key, keylen);
if (!ret)
ctx->enc_keylen = keylen;
return ret;
@@ -212,10 +212,16 @@ static int qce_ablkcipher_crypt(struct ablkcipher_request *req, int encrypt)
if (IS_AES(rctx->flags) && ctx->enc_keylen != AES_KEYSIZE_128 &&
ctx->enc_keylen != AES_KEYSIZE_256) {
- ablkcipher_request_set_tfm(req, ctx->fallback);
- ret = encrypt ? crypto_ablkcipher_encrypt(req) :
- crypto_ablkcipher_decrypt(req);
- ablkcipher_request_set_tfm(req, __crypto_ablkcipher_cast(tfm));
+ SKCIPHER_REQUEST_ON_STACK(subreq, ctx->fallback);
+
+ skcipher_request_set_tfm(subreq, ctx->fallback);
+ skcipher_request_set_callback(subreq, req->base.flags,
+ NULL, NULL);
+ skcipher_request_set_crypt(subreq, req->src, req->dst,
+ req->nbytes, req->info);
+ ret = encrypt ? crypto_skcipher_encrypt(subreq) :
+ crypto_skcipher_decrypt(subreq);
+ skcipher_request_zero(subreq);
return ret;
}
@@ -239,10 +245,9 @@ static int qce_ablkcipher_init(struct crypto_tfm *tfm)
memset(ctx, 0, sizeof(*ctx));
tfm->crt_ablkcipher.reqsize = sizeof(struct qce_cipher_reqctx);
- ctx->fallback = crypto_alloc_ablkcipher(crypto_tfm_alg_name(tfm),
- CRYPTO_ALG_TYPE_ABLKCIPHER,
- CRYPTO_ALG_ASYNC |
- CRYPTO_ALG_NEED_FALLBACK);
+ ctx->fallback = crypto_alloc_skcipher(crypto_tfm_alg_name(tfm), 0,
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(ctx->fallback))
return PTR_ERR(ctx->fallback);
@@ -253,7 +258,7 @@ static void qce_ablkcipher_exit(struct crypto_tfm *tfm)
{
struct qce_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
- crypto_free_ablkcipher(ctx->fallback);
+ crypto_free_skcipher(ctx->fallback);
}
struct qce_ablkcipher_def {
diff --git a/drivers/crypto/qce/cipher.h b/drivers/crypto/qce/cipher.h
index 5c6a5f8633e5..2b0278bb6e92 100644
--- a/drivers/crypto/qce/cipher.h
+++ b/drivers/crypto/qce/cipher.h
@@ -22,7 +22,7 @@
struct qce_cipher_ctx {
u8 enc_key[QCE_MAX_KEY_SIZE];
unsigned int enc_keylen;
- struct crypto_ablkcipher *fallback;
+ struct crypto_skcipher *fallback;
};
/**