From: Jouni Malinen <jouni@codeaurora.org>
Date: Fri, 7 Feb 2020 23:28:46 +0000 (+0200)
Subject: DPP: Fix encryptedContent DER encoding
X-Git-Tag: hostap_2_10~1864
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c248ebaf4ff4ce01f18b754d178fbdb1a4009394;p=thirdparty%2Fhostap.git

DPP: Fix encryptedContent DER encoding

This was not supposed to set the constructed bit in the header. Fix this
to avoid parsing issues with other ASN.1 DER parsers.

Fixes: c025c2eb5911 ("DPP: DPPEnvelopedData generation for Configurator backup")
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
---

diff --git a/src/common/dpp.c b/src/common/dpp.c
index 9cdd926ff..7152703e6 100644
--- a/src/common/dpp.c
+++ b/src/common/dpp.c
@@ -5570,7 +5570,7 @@ dpp_build_enc_cont_info(struct dpp_authentication *auth, size_t hash_len,
 
 	/* encryptedContent [0] IMPLICIT EncryptedContent OPTIONAL
 	 * EncryptedContent ::= OCTET STRING */
-	asn1_put_hdr(enc_cont_info, ASN1_CLASS_CONTEXT_SPECIFIC, 1, 0,
+	asn1_put_hdr(enc_cont_info, ASN1_CLASS_CONTEXT_SPECIFIC, 0, 0,
 		     wpabuf_len(enc_cont));
 	wpabuf_put_buf(enc_cont_info, enc_cont);