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>

1 files changed, 13 insertions, 6 deletions

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,
+};