diff --git a/certs/wolf-ca-ecc-cert.pem b/certs/wolf-ca-ecc-cert.pem
index 638885b5..c613f769 100755
--- a/certs/wolf-ca-ecc-cert.pem
+++ b/certs/wolf-ca-ecc-cert.pem
@@ -1,16 +1,52 @@
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 18234557164704975011 (0xfd0e292166cb48a3)
+    Signature Algorithm: ecdsa-with-SHA256
+        Issuer: C=US, ST=Washington, L=Seattle, O=wolfSSL, OU=Development, CN=www.wolfssl.com/emailAddress=info@wolfssl.com
+        Validity
+            Not Before: Apr 13 15:23:10 2018 GMT
+            Not After : Jan  7 15:23:10 2021 GMT
+        Subject: C=US, ST=Washington, L=Seattle, O=wolfSSL, OU=Development, CN=www.wolfssl.com/emailAddress=info@wolfssl.com
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (256 bit)
+                pub: 
+                    04:02:d3:d9:6e:d6:01:8e:45:c8:b9:90:31:e5:c0:
+                    4c:e3:9e:ad:29:38:98:ba:10:d6:e9:09:2a:80:a9:
+                    2e:17:2a:b9:8a:bf:33:83:46:e3:95:0b:e4:77:40:
+                    b5:3b:43:45:33:0f:61:53:7c:37:44:c1:cb:fc:80:
+                    ca:e8:43:ea:a7
+                ASN1 OID: prime256v1
+                NIST CURVE: P-256
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                56:8E:9A:C3:F0:42:DE:18:B9:45:55:6E:F9:93:CF:EA:C3:F3:A5:21
+            X509v3 Authority Key Identifier: 
+                keyid:56:8E:9A:C3:F0:42:DE:18:B9:45:55:6E:F9:93:CF:EA:C3:F3:A5:21
+
+            X509v3 Basic Constraints: critical
+                CA:TRUE
+            X509v3 Key Usage: critical
+                Digital Signature, Certificate Sign, CRL Sign
+    Signature Algorithm: ecdsa-with-SHA256
+         30:46:02:21:00:f0:7b:cc:24:73:19:3f:61:68:ed:c8:0a:54:
+         4a:b8:ac:79:ef:10:32:91:52:2c:3e:bf:50:aa:5f:18:c1:97:
+         f5:02:21:00:d9:4b:63:67:6f:9b:29:a9:d7:6b:63:9b:98:9f:
+         32:82:36:da:f0:a9:f7:51:b4:97:aa:fa:fa:dd:ef:ef:4a:ae
 -----BEGIN CERTIFICATE-----
-MIICiTCCAjCgAwIBAgIJANUT7c08LkF0MAoGCCqGSM49BAMCMIGXMQswCQYDVQQG
+MIICizCCAjCgAwIBAgIJAP0OKSFmy0ijMAoGCCqGSM49BAMCMIGXMQswCQYDVQQG
 EwJVUzETMBEGA1UECAwKV2FzaGluZ3RvbjEQMA4GA1UEBwwHU2VhdHRsZTEQMA4G
 A1UECgwHd29sZlNTTDEUMBIGA1UECwwLRGV2ZWxvcG1lbnQxGDAWBgNVBAMMD3d3
 dy53b2xmc3NsLmNvbTEfMB0GCSqGSIb3DQEJARYQaW5mb0B3b2xmc3NsLmNvbTAe
-Fw0xODA5MDcyMDEzNDNaFw0zODA5MDIyMDEzNDNaMIGXMQswCQYDVQQGEwJVUzET
+Fw0xODA0MTMxNTIzMTBaFw0yMTAxMDcxNTIzMTBaMIGXMQswCQYDVQQGEwJVUzET
 MBEGA1UECAwKV2FzaGluZ3RvbjEQMA4GA1UEBwwHU2VhdHRsZTEQMA4GA1UECgwH
 d29sZlNTTDEUMBIGA1UECwwLRGV2ZWxvcG1lbnQxGDAWBgNVBAMMD3d3dy53b2xm
 c3NsLmNvbTEfMB0GCSqGSIb3DQEJARYQaW5mb0B3b2xmc3NsLmNvbTBZMBMGByqG
-SM49AgEGCCqGSM49AwEHA0IABGbPpebypg/W274c+uFJGMigpJy/LW0MKy1VoU88
-FSqefHY5C+es8nogRaXYU0itI+85KuUfPhJVM6Hc2evFsBajYzBhMB0GA1UdDgQW
-BBSJGbGXpAUTPLBXRrJiJ2RNoG53WjAfBgNVHSMEGDAWgBSJGbGXpAUTPLBXRrJi
-J2RNoG53WjAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBhjAKBggqhkjO
-PQQDAgNHADBEAiArQgfTsykjwoBFMa/elWAqW5r38xW48flizWImoA7jfwIgbDO/
-mF4z7Vg2cbdvjbLZenQBaXmFNXULqAlpJnlRyl4=
+SM49AgEGCCqGSM49AwEHA0IABALT2W7WAY5FyLmQMeXATOOerSk4mLoQ1ukJKoCp
+LhcquYq/M4NG45UL5HdAtTtDRTMPYVN8N0TBy/yAyuhD6qejYzBhMB0GA1UdDgQW
+BBRWjprD8ELeGLlFVW75k8/qw/OlITAfBgNVHSMEGDAWgBRWjprD8ELeGLlFVW75
+k8/qw/OlITAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBhjAKBggqhkjO
+PQQDAgNJADBGAiEA8HvMJHMZP2Fo7cgKVEq4rHnvEDKRUiw+v1CqXxjBl/UCIQDZ
+S2Nnb5spqddrY5uYnzKCNtrwqfdRtJeq+vrd7+9Krg==
 -----END CERTIFICATE-----
diff --git a/src/tpm2_wrap.c b/src/tpm2_wrap.c
index ff06931c..adb1f4ed 100644
--- a/src/tpm2_wrap.c
+++ b/src/tpm2_wrap.c
@@ -2162,7 +2162,9 @@ static int wolfTPM2_ComputeSymmetricUnique(WOLFTPM2_DEV* dev, int hashAlg,
                 sensitive->sensitive.any.size);
         }
         if (rc == 0) {
-            rc = wolfTPM2_HashFinish(dev, &hash, unique->buffer, (word32*)&unique->size);
+            word32 uniqueSz = TPM2_GetHashDigestSize(hashAlg);
+            rc = wolfTPM2_HashFinish(dev, &hash, unique->buffer, &uniqueSz);
+            unique->size = uniqueSz;
         }
     }
 #elif !defined(WOLFTPM2_NO_WOLFCRYPT)