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authorLinus Torvalds2018-10-26 01:43:35 +0200
committerLinus Torvalds2018-10-26 01:43:35 +0200
commit62606c224d72a98c35d21a849f95cccf95b0a252 (patch)
tree6f6f3466451edf9baa2ea8b5f9fc558aa555c69a /include/crypto/hash.h
parentMerge branch 'next-loadpin' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff)
parentcrypto: chelsio - Update ntx queue received from cxgb4 (diff)
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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Remove VLA usage - Add cryptostat user-space interface - Add notifier for new crypto algorithms Algorithms: - Add OFB mode - Remove speck Drivers: - Remove x86/sha*-mb as they are buggy - Remove pcbc(aes) from x86/aesni - Improve performance of arm/ghash-ce by up to 85% - Implement CTS-CBC in arm64/aes-blk, faster by up to 50% - Remove PMULL based arm64/crc32 driver - Use PMULL in arm64/crct10dif - Add aes-ctr support in s5p-sss - Add caam/qi2 driver Others: - Pick better transform if one becomes available in crc-t10dif" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (124 commits) crypto: chelsio - Update ntx queue received from cxgb4 crypto: ccree - avoid implicit enum conversion crypto: caam - add SPDX license identifier to all files crypto: caam/qi - simplify CGR allocation, freeing crypto: mxs-dcp - make symbols 'sha1_null_hash' and 'sha256_null_hash' static crypto: arm64/aes-blk - ensure XTS mask is always loaded crypto: testmgr - fix sizeof() on COMP_BUF_SIZE crypto: chtls - remove set but not used variable 'csk' crypto: axis - fix platform_no_drv_owner.cocci warnings crypto: x86/aes-ni - fix build error following fpu template removal crypto: arm64/aes - fix handling sub-block CTS-CBC inputs crypto: caam/qi2 - avoid double export crypto: mxs-dcp - Fix AES issues crypto: mxs-dcp - Fix SHA null hashes and output length crypto: mxs-dcp - Implement sha import/export crypto: aegis/generic - fix for big endian systems crypto: morus/generic - fix for big endian systems crypto: lrw - fix rebase error after out of bounds fix crypto: cavium/nitrox - use pci_alloc_irq_vectors() while enabling MSI-X. crypto: cavium/nitrox - NITROX command queue changes. ...
Diffstat (limited to 'include/crypto/hash.h')
-rw-r--r--include/crypto/hash.h38
1 files changed, 36 insertions, 2 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 76e432cab75d..bc7796600338 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -151,9 +151,13 @@ struct shash_desc {
void *__ctx[] CRYPTO_MINALIGN_ATTR;
};
+#define HASH_MAX_DIGESTSIZE 64
+#define HASH_MAX_DESCSIZE 360
+#define HASH_MAX_STATESIZE 512
+
#define SHASH_DESC_ON_STACK(shash, ctx) \
char __##shash##_desc[sizeof(struct shash_desc) + \
- crypto_shash_descsize(ctx)] CRYPTO_MINALIGN_ATTR; \
+ HASH_MAX_DESCSIZE] CRYPTO_MINALIGN_ATTR; \
struct shash_desc *shash = (struct shash_desc *)__##shash##_desc
/**
@@ -408,6 +412,32 @@ static inline void *ahash_request_ctx(struct ahash_request *req)
int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen);
+static inline void crypto_stat_ahash_update(struct ahash_request *req, int ret)
+{
+#ifdef CONFIG_CRYPTO_STATS
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+
+ if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+ atomic_inc(&tfm->base.__crt_alg->hash_err_cnt);
+ else
+ atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen);
+#endif
+}
+
+static inline void crypto_stat_ahash_final(struct ahash_request *req, int ret)
+{
+#ifdef CONFIG_CRYPTO_STATS
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+
+ if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+ atomic_inc(&tfm->base.__crt_alg->hash_err_cnt);
+ } else {
+ atomic_inc(&tfm->base.__crt_alg->hash_cnt);
+ atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen);
+ }
+#endif
+}
+
/**
* crypto_ahash_finup() - update and finalize message digest
* @req: reference to the ahash_request handle that holds all information
@@ -522,7 +552,11 @@ static inline int crypto_ahash_init(struct ahash_request *req)
*/
static inline int crypto_ahash_update(struct ahash_request *req)
{
- return crypto_ahash_reqtfm(req)->update(req);
+ int ret;
+
+ ret = crypto_ahash_reqtfm(req)->update(req);
+ crypto_stat_ahash_update(req, ret);
+ return ret;
}
/**