X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fcrypto%2Fhash.c;fp=qemu%2Fcrypto%2Fhash.c;h=b90af3495a02a3460eef0b67ffc9f24a4b68092f;hb=437fd90c0250dee670290f9b714253671a990160;hp=81e74de8681245f4ae77c01b47d2fe9a7251ba5f;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git

diff --git a/qemu/crypto/hash.c b/qemu/crypto/hash.c
index 81e74de86..b90af3495 100644
--- a/qemu/crypto/hash.c
+++ b/qemu/crypto/hash.c
@@ -18,13 +18,33 @@
  *
  */
 
+#include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "crypto/hash.h"
 
 #ifdef CONFIG_GNUTLS_HASH
 #include <gnutls/gnutls.h>
 #include <gnutls/crypto.h>
+#endif
 
-static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG_LAST] = {
+
+static size_t qcrypto_hash_alg_size[QCRYPTO_HASH_ALG__MAX] = {
+    [QCRYPTO_HASH_ALG_MD5] = 16,
+    [QCRYPTO_HASH_ALG_SHA1] = 20,
+    [QCRYPTO_HASH_ALG_SHA256] = 32,
+};
+
+size_t qcrypto_hash_digest_len(QCryptoHashAlgorithm alg)
+{
+    if (alg >= G_N_ELEMENTS(qcrypto_hash_alg_size)) {
+        return 0;
+    }
+    return qcrypto_hash_alg_size[alg];
+}
+
+
+#ifdef CONFIG_GNUTLS_HASH
+static int qcrypto_hash_alg_map[QCRYPTO_HASH_ALG__MAX] = {
     [QCRYPTO_HASH_ALG_MD5] = GNUTLS_DIG_MD5,
     [QCRYPTO_HASH_ALG_SHA1] = GNUTLS_DIG_SHA1,
     [QCRYPTO_HASH_ALG_SHA256] = GNUTLS_DIG_SHA256,
@@ -38,6 +58,7 @@ gboolean qcrypto_hash_supports(QCryptoHashAlgorithm alg)
     return false;
 }
 
+
 int qcrypto_hash_bytesv(QCryptoHashAlgorithm alg,
                         const struct iovec *iov,
                         size_t niov,