From: Stephan Mueller <smueller@chronox.de>
Subject: crypto: dh - update test for public key verification
Git-commit: c98fae5e29fad0a4990e20b14bf0a4526518c4ed
Patch-mainline: v4.19-rc1
References: bsc#1155331

    crypto: dh - update test for public key verification
    
    By adding a zero byte-length for the DH parameter Q value, the public
    key verification test is disabled for the given test.
    
Reported-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Torsten Duwe <duwe@suse.de>

--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -546,12 +546,14 @@ static const struct kpp_testvec dh_tv_te
 	"\x11\x02" /* len */
 	"\x00\x01\x00\x00" /* key_size */
 	"\x00\x01\x00\x00" /* p_size */
+	"\x00\x00\x00\x00" /* q_size */
 	"\x01\x00\x00\x00" /* g_size */
 #else
 	"\x00\x01" /* type */
 	"\x02\x11" /* len */
 	"\x00\x00\x01\x00" /* key_size */
 	"\x00\x00\x01\x00" /* p_size */
+	"\x00\x00\x00\x00" /* q_size */
 	"\x00\x00\x00\x01" /* g_size */
 #endif
 	/* xa */
@@ -653,12 +655,14 @@ static const struct kpp_testvec dh_tv_te
 	"\x11\x02" /* len */
 	"\x00\x01\x00\x00" /* key_size */
 	"\x00\x01\x00\x00" /* p_size */
+	"\x00\x00\x00\x00" /* q_size */
 	"\x01\x00\x00\x00" /* g_size */
 #else
 	"\x00\x01" /* type */
 	"\x02\x11" /* len */
 	"\x00\x00\x01\x00" /* key_size */
 	"\x00\x00\x01\x00" /* p_size */
+	"\x00\x00\x00\x00" /* q_size */
 	"\x00\x00\x00\x01" /* g_size */
 #endif
 	/* xa */