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authorLongpeng(Mike) <longpeng2@huawei.com>2017-07-14 14:03:59 -0400
committerDaniel P. Berrange <berrange@redhat.com>2017-07-19 10:11:04 +0100
commitaa8efad903a7594dbd9f96b9804c028f28fc8f8e (patch)
treead25e0f62228c07defeea412dd5f3dd3707d9ecc /crypto
parent75c800780919e389e6c272d84b31a33ec348ff79 (diff)
crypto: hash: add hash driver framework
1) makes the public APIs in hash-nettle/gcrypt/glib static, and rename them with "nettle/gcrypt/glib" prefix. 2) introduces hash framework, including QCryptoHashDriver and new public APIs. Reviewed-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/hash-gcrypt.c19
-rw-r--r--crypto/hash-glib.c19
-rw-r--r--crypto/hash-nettle.c19
-rw-r--r--crypto/hash.c13
-rw-r--r--crypto/hashpriv.h31
5 files changed, 83 insertions, 18 deletions
diff --git a/crypto/hash-gcrypt.c b/crypto/hash-gcrypt.c
index 7690690f70..972beaa0f9 100644
--- a/crypto/hash-gcrypt.c
+++ b/crypto/hash-gcrypt.c
@@ -22,6 +22,7 @@
#include <gcrypt.h>
#include "qapi/error.h"
#include "crypto/hash.h"
+#include "hashpriv.h"
static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = {
@@ -44,12 +45,13 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg)
}
-int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
- const struct iovec *iov,
- size_t niov,
- uint8_t **result,
- size_t *resultlen,
- Error **errp)
+static int
+qcrypto_gcrypt_hash_bytesv(QCryptoHashAlgorithm alg,
+ const struct iovec *iov,
+ size_t niov,
+ uint8_t **result,
+ size_t *resultlen,
+ Error **errp)
{
int i, ret;
gcry_md_hd_t md;
@@ -107,3 +109,8 @@ int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
gcry_md_close(md);
return -1;
}
+
+
+QCryptoHashDriver qcrypto_hash_lib_driver = {
+ .hash_bytesv = qcrypto_gcrypt_hash_bytesv,
+};
diff --git a/crypto/hash-glib.c b/crypto/hash-glib.c
index ec99ac9df9..a5871cc72f 100644
--- a/crypto/hash-glib.c
+++ b/crypto/hash-glib.c
@@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/hash.h"
+#include "hashpriv.h"
static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = {
@@ -47,12 +48,13 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg)
}
-int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
- const struct iovec *iov,
- size_t niov,
- uint8_t **result,
- size_t *resultlen,
- Error **errp)
+static int
+qcrypto_glib_hash_bytesv(QCryptoHashAlgorithm alg,
+ const struct iovec *iov,
+ size_t niov,
+ uint8_t **result,
+ size_t *resultlen,
+ Error **errp)
{
int i, ret;
GChecksum *cs;
@@ -95,3 +97,8 @@ int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
g_checksum_free(cs);
return -1;
}
+
+
+QCryptoHashDriver qcrypto_hash_lib_driver = {
+ .hash_bytesv = qcrypto_glib_hash_bytesv,
+};
diff --git a/crypto/hash-nettle.c b/crypto/hash-nettle.c
index 6a206dcb18..96f186f442 100644
--- a/crypto/hash-nettle.c
+++ b/crypto/hash-nettle.c
@@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/hash.h"
+#include "hashpriv.h"
#include <nettle/md5.h>
#include <nettle/sha.h>
#include <nettle/ripemd160.h>
@@ -103,12 +104,13 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg)
}
-int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
- const struct iovec *iov,
- size_t niov,
- uint8_t **result,
- size_t *resultlen,
- Error **errp)
+static int
+qcrypto_nettle_hash_bytesv(QCryptoHashAlgorithm alg,
+ const struct iovec *iov,
+ size_t niov,
+ uint8_t **result,
+ size_t *resultlen,
+ Error **errp)
{
int i;
union qcrypto_hash_ctx ctx;
@@ -152,3 +154,8 @@ int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
return 0;
}
+
+
+QCryptoHashDriver qcrypto_hash_lib_driver = {
+ .hash_bytesv = qcrypto_nettle_hash_bytesv,
+};
diff --git a/crypto/hash.c b/crypto/hash.c
index 0f1ceac66a..c43fd874fa 100644
--- a/crypto/hash.c
+++ b/crypto/hash.c
@@ -21,6 +21,7 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/hash.h"
+#include "hashpriv.h"
static size_t qcrypto_hash_alg_size[QCRYPTO_HASH_ALG__MAX] = {
[QCRYPTO_HASH_ALG_MD5] = 16,
@@ -38,6 +39,18 @@ size_t qcrypto_hash_digest_len(QCryptoHashAlgorithm alg)
return qcrypto_hash_alg_size[alg];
}
+int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
+ const struct iovec *iov,
+ size_t niov,
+ uint8_t **result,
+ size_t *resultlen,
+ Error **errp)
+{
+ return qcrypto_hash_lib_driver.hash_bytesv(alg, iov, niov,
+ result, resultlen,
+ errp);
+}
+
int qcrypto_hash_bytes(QCryptoHashAlgorithm alg,
const char *buf,
diff --git a/crypto/hashpriv.h b/crypto/hashpriv.h
new file mode 100644
index 0000000000..5e505e0492
--- /dev/null
+++ b/crypto/hashpriv.h
@@ -0,0 +1,31 @@
+/*
+ * QEMU Crypto hash driver supports
+ *
+ * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ * Longpeng(Mike) <longpeng2@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ *
+ */
+
+#ifndef QCRYPTO_HASHPRIV_H
+#define QCRYPTO_HASHPRIV_H
+
+typedef struct QCryptoHashDriver QCryptoHashDriver;
+
+struct QCryptoHashDriver {
+ int (*hash_bytesv)(QCryptoHashAlgorithm alg,
+ const struct iovec *iov,
+ size_t niov,
+ uint8_t **result,
+ size_t *resultlen,
+ Error **errp);
+};
+
+extern QCryptoHashDriver qcrypto_hash_lib_driver;
+
+#endif