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Commit 52c7b3f4 authored by Linus Torvalds's avatar Linus Torvalds
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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
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Showing with 75 additions and 36 deletions
crypto/gcm.c
View file @ 52c7b3f4
......@@ -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,
int err)
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,
int err)
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
View file @ 52c7b3f4
......@@ -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);
......
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