diff -r d37c1a5d09ce -r 7a6abdd00ab5 src/lib/ASN1ContentHandler.h
--- a/src/lib/ASN1ContentHandler.h	Sat Jun 12 21:29:18 2021 +0200
+++ b/src/lib/ASN1ContentHandler.h	Sat Jun 12 22:37:44 2021 +0200
@@ -50,6 +50,9 @@
 
 	virtual ~ASN1ContentHandler() = default;
 
+	virtual void writeStreamStart() = 0;
+	virtual void writeStreamEnd() = 0;
+
 	virtual void writeCollectionStart(CollectionType type) = 0;
 	virtual void writeCollectionEnd() = 0;
 	virtual void writeBoolean(bool value) = 0;
@@ -85,27 +88,35 @@
 
 #define handler for (auto ___h : handlers) ___h
 
-	void writeCollectionStart(CollectionType type) {
+	void writeStreamStart() override {
+		handler->writeStreamStart();
+	}
+
+	void writeStreamEnd() override {
+		handler->writeStreamEnd();
+	}
+
+	void writeCollectionStart(CollectionType type) override {
 		handler->writeCollectionStart(type);
 	}
 
-	void writeCollectionEnd() {
+	void writeCollectionEnd() override {
 		handler->writeCollectionEnd();
 	}
 
-	void writeBoolean(bool value) {
+	void writeBoolean(bool value) override {
 		handler->writeBoolean(value);
 	}
 
-	void writeNull() {
+	void writeNull() override {
 		handler->writeNull();
 	}
 
-	void writeInteger(int64_t value) {
+	void writeInteger(int64_t value) override {
 		handler->writeInteger(value);
 	}
 
-	void writeString(StringType type, std::string value) {
+	void writeString(StringType type, std::string value) override {
 		handler->writeString(type, value);
 	}