From 5e3fa42c2315cdd811220d97c31c2e19392073a0 Mon Sep 17 00:00:00 2001
From: merlokk <807634+merlokk@users.noreply.github.com>
Date: Wed, 14 Nov 2018 18:44:17 +0200
Subject: [PATCH] add der print sketch

---
 client/cmdhffido.c        | 3 +++
 client/crypto/asn1utils.c | 2 +-
 client/crypto/asn1utils.h | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/client/cmdhffido.c b/client/cmdhffido.c
index ffd277bd2..6440554f0 100644
--- a/client/cmdhffido.c
+++ b/client/cmdhffido.c
@@ -340,6 +340,9 @@ int CmdHFFidoRegister(const char *cmd) {
 	uint8_t public_key[65] = {0};
 	
 	// TODO: print DER certificate in DER view
+	PrintAndLog("----------------DER TLV-----------------");
+	asn1_print(&buf[67 + keyHandleLen], derLen, "  ");
+	PrintAndLog("----------------DER TLV-----------------");
 	
 	// load CA's
 	mbedtls_x509_crt cacert;
diff --git a/client/crypto/asn1utils.c b/client/crypto/asn1utils.c
index 2a3fe698b..78677765d 100644
--- a/client/crypto/asn1utils.c
+++ b/client/crypto/asn1utils.c
@@ -55,7 +55,7 @@ exit:
 	return res;
 }
 
-int asn1_print(uint8_t *asn1buf, int level) {
+int asn1_print(uint8_t *asn1buf, size_t asn1buflen, char *indent) {
 	
 	return 0;
 }
diff --git a/client/crypto/asn1utils.h b/client/crypto/asn1utils.h
index 2b00f4501..19f8ded70 100644
--- a/client/crypto/asn1utils.h
+++ b/client/crypto/asn1utils.h
@@ -15,7 +15,7 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-extern int asn1_print(uint8_t *asn1buf, int level);
+extern int asn1_print(uint8_t *asn1buf, size_t asn1buflen, char *indent);
 extern int ecdsa_asn1_get_signature(uint8_t *signature, size_t signaturelen, uint8_t *rval, uint8_t *sval);
 
 #endif /* asn1utils.h */