FIx the unit test (#59)

There was an error in the Encrypt0 code which was not being detected by the Unit tests.  Both the source and the unit tests have been updated to fix this.

* FIx the unit test
* Correct the string for encrypt0
diff --git a/src/Encrypt0.c b/src/Encrypt0.c
index 2e228f4..b6a85ec 100644
--- a/src/Encrypt0.c
+++ b/src/Encrypt0.c
@@ -136,7 +136,7 @@
 		return false;
 	}
 
-	f = _COSE_Enveloped_decrypt(pcose, NULL, pbKey, cbKey, "Encrypt1", perr);
+	f = _COSE_Enveloped_decrypt(pcose, NULL, pbKey, cbKey, "Encrypt0", perr);
 	return f;
 }
 
@@ -145,7 +145,7 @@
 	CHECK_CONDITION(IsValidEncryptHandle(h), COSE_ERR_INVALID_HANDLE);
 	CHECK_CONDITION(pbKey != NULL, COSE_ERR_INVALID_PARAMETER);
 
-	return _COSE_Enveloped_encrypt((COSE_Encrypt *)h, pbKey, cbKey, "Encrypt1", perr);
+	return _COSE_Enveloped_encrypt((COSE_Encrypt *)h, pbKey, cbKey, "Encrypt0", perr);
 
 errorReturn:
 	return false;
diff --git a/test/encrypt.c b/test/encrypt.c
index 434b4da..cf3a283 100644
--- a/test/encrypt.c
+++ b/test/encrypt.c
@@ -402,7 +402,11 @@
 	}
 
 	cn_cbor * alg = COSE_Encrypt_map_get_int(hEnc, COSE_Header_Algorithm, COSE_BOTH, NULL);
-	if (!IsAlgorithmSupported(alg)) fAlgSupport = false;
+	if (!IsAlgorithmSupported(alg)) {
+		fAlgSupport = false;
+		fFail = false;
+		goto exitHere;
+	}
 
 	pFail = cn_cbor_mapget_string(pRecipients, "fail");
 	if (COSE_Encrypt_decrypt(hEnc, k->v.bytes, k->length, NULL)) {
@@ -424,12 +428,17 @@
 
 exitHere:
 
-	if (fFailBody) {
-		if (!fFail) fFail = true;
-		else fFail = false;
+	if (fAlgSupport) {
+		if (fFailBody) {
+			if (!fFail) fFail = true;
+			else fFail = false;
+		}
+	}
+	else {
+		fFail = false;
 	}
 
-	if (fFail && fAlgSupport) CFails += 1;
+	if (fFail) CFails += 1;
 	return fAlgSupport ? 1 : 0;
 
 returnError: