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-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,
+};