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Commit 52c7b3f4 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: gcm - fix another complete call in complete fuction
  crypto: padlock-aes - Use the correct mask when checking whether copying is required
parents 5ebacb27 62c5593a

crypto/gcm.c

+73 −34
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ struct crypto_rfc4106_ctx { 
struct crypto_gcm_ghash_ctx {

	unsigned int cryptlen;

	struct scatterlist *src;

	crypto_completion_t complete;

	void (*complete)(struct aead_request *req, int err);

};



struct crypto_gcm_req_priv_ctx {
@@ -267,23 +267,26 @@ static int gcm_hash_final(struct aead_request *req, 
	return crypto_ahash_final(ahreq);

}



static void gcm_hash_final_done(struct crypto_async_request *areq,

				int err)

static void __gcm_hash_final_done(struct aead_request *req, int err)

{

	struct aead_request *req = areq->data;

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;



	if (!err)

		crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);



	gctx->complete(areq, err);

	gctx->complete(req, err);

}



static void gcm_hash_len_done(struct crypto_async_request *areq,

			      int err)

static void gcm_hash_final_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_final_done(req, err);

}



static void __gcm_hash_len_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);



	if (!err) {
@@ -292,13 +295,18 @@ static void gcm_hash_len_done(struct crypto_async_request *areq, 
			return;

	}



	gcm_hash_final_done(areq, err);

	__gcm_hash_final_done(req, err);

}



static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,

				       int err)

static void gcm_hash_len_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_len_done(req, err);

}



static void __gcm_hash_crypt_remain_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);



	if (!err) {
@@ -307,13 +315,19 @@ static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq, 
			return;

	}



	gcm_hash_len_done(areq, err);

	__gcm_hash_len_done(req, err);

}



static void gcm_hash_crypt_done(struct crypto_async_request *areq,

static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,

				       int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_crypt_remain_done(req, err);

}



static void __gcm_hash_crypt_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;

	unsigned int remain;
@@ -327,13 +341,18 @@ static void gcm_hash_crypt_done(struct crypto_async_request *areq, 
			return;

	}



	gcm_hash_crypt_remain_done(areq, err);

	__gcm_hash_crypt_remain_done(req, err);

}



static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,

					   int err)

static void gcm_hash_crypt_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_crypt_done(req, err);

}



static void __gcm_hash_assoc_remain_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;

	crypto_completion_t complete;
@@ -350,15 +369,21 @@ static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq, 
	}



	if (remain)

		gcm_hash_crypt_done(areq, err);

		__gcm_hash_crypt_done(req, err);

	else

		gcm_hash_crypt_remain_done(areq, err);

		__gcm_hash_crypt_remain_done(req, err);

}



static void gcm_hash_assoc_done(struct crypto_async_request *areq,

static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,

				       int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_assoc_remain_done(req, err);

}



static void __gcm_hash_assoc_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	unsigned int remain;
@@ -371,13 +396,18 @@ static void gcm_hash_assoc_done(struct crypto_async_request *areq, 
			return;

	}



	gcm_hash_assoc_remain_done(areq, err);

	__gcm_hash_assoc_remain_done(req, err);

}



static void gcm_hash_init_done(struct crypto_async_request *areq,

			       int err)

static void gcm_hash_assoc_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_assoc_done(req, err);

}



static void __gcm_hash_init_done(struct aead_request *req, int err)

{

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	crypto_completion_t complete;

	unsigned int remain = 0;
@@ -393,9 +423,16 @@ static void gcm_hash_init_done(struct crypto_async_request *areq, 
	}



	if (remain)

		gcm_hash_assoc_done(areq, err);

		__gcm_hash_assoc_done(req, err);

	else

		gcm_hash_assoc_remain_done(areq, err);

		__gcm_hash_assoc_remain_done(req, err);

}



static void gcm_hash_init_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;



	__gcm_hash_init_done(req, err);

}



static int gcm_hash(struct aead_request *req,
@@ -457,10 +494,8 @@ static void gcm_enc_copy_hash(struct aead_request *req, 
				 crypto_aead_authsize(aead), 1);

}



static void gcm_enc_hash_done(struct crypto_async_request *areq,

				     int err)

static void gcm_enc_hash_done(struct aead_request *req, int err)

{

	struct aead_request *req = areq->data;

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);



	if (!err)
@@ -469,8 +504,7 @@ static void gcm_enc_hash_done(struct crypto_async_request *areq, 
	aead_request_complete(req, err);

}



static void gcm_encrypt_done(struct crypto_async_request *areq,

				     int err)

static void gcm_encrypt_done(struct crypto_async_request *areq, int err)

{

	struct aead_request *req = areq->data;

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
@@ -479,9 +513,13 @@ static void gcm_encrypt_done(struct crypto_async_request *areq, 
		err = gcm_hash(req, pctx);

		if (err == -EINPROGRESS || err == -EBUSY)

			return;

		else if (!err) {

			crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);

			gcm_enc_copy_hash(req, pctx);

		}

	}



	gcm_enc_hash_done(areq, err);

	aead_request_complete(req, err);

}



static int crypto_gcm_encrypt(struct aead_request *req)
@@ -538,9 +576,8 @@ static void gcm_decrypt_done(struct crypto_async_request *areq, int err) 
	aead_request_complete(req, err);

}



static void gcm_dec_hash_done(struct crypto_async_request *areq, int err)

static void gcm_dec_hash_done(struct aead_request *req, int err)

{

	struct aead_request *req = areq->data;

	struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);

	struct ablkcipher_request *abreq = &pctx->u.abreq;

	struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
@@ -552,9 +589,11 @@ static void gcm_dec_hash_done(struct crypto_async_request *areq, int err) 
		err = crypto_ablkcipher_decrypt(abreq);

		if (err == -EINPROGRESS || err == -EBUSY)

			return;

		else if (!err)

			err = crypto_gcm_verify(req, pctx);

	}



	gcm_decrypt_done(areq, err);

	aead_request_complete(req, err);

}



static int crypto_gcm_decrypt(struct aead_request *req)

drivers/crypto/padlock-aes.c

+2 −2
Original line number Diff line number Diff line
@@ -236,7 +236,7 @@ static inline void ecb_crypt(const u8 *in, u8 *out, u32 *key, 
	/* Padlock in ECB mode fetches at least ecb_fetch_bytes of data.

	 * We could avoid some copying here but it's probably not worth it.

	 */

	if (unlikely(((unsigned long)in & PAGE_SIZE) + ecb_fetch_bytes > PAGE_SIZE)) {

	if (unlikely(((unsigned long)in & ~PAGE_MASK) + ecb_fetch_bytes > PAGE_SIZE)) {

		ecb_crypt_copy(in, out, key, cword, count);

		return;

	}
@@ -248,7 +248,7 @@ static inline u8 *cbc_crypt(const u8 *in, u8 *out, u32 *key, 
			    u8 *iv, struct cword *cword, int count)

{

	/* Padlock in CBC mode fetches at least cbc_fetch_bytes of data. */

	if (unlikely(((unsigned long)in & PAGE_SIZE) + cbc_fetch_bytes > PAGE_SIZE))

	if (unlikely(((unsigned long)in & ~PAGE_MASK) + cbc_fetch_bytes > PAGE_SIZE))

		return cbc_crypt_copy(in, out, key, iv, cword, count);



	return rep_xcrypt_cbc(in, out, key, iv, cword, count);