From 1036633e10f86b793e60dd8698c65df6712cad2a Mon Sep 17 00:00:00 2001
From: Vitaly Chikunov <vt@altlinux.org>
Date: Wed, 24 Apr 2019 04:32:40 +0300
Subject: [PATCH] crypto: ecrdsa - select ASN1 and OID_REGISTRY for EC-RDSA

Fix undefined symbol issue in ecrdsa_generic module when ASN1
or OID_REGISTRY aren't enabled in the config by selecting these
options for CRYPTO_ECRDSA.

ERROR: "asn1_ber_decoder" [crypto/ecrdsa_generic.ko] undefined!
ERROR: "look_up_OID" [crypto/ecrdsa_generic.ko] undefined!

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 4446833f6eca..3d056e7da65f 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -264,6 +264,8 @@ config CRYPTO_ECRDSA
 	select CRYPTO_ECC
 	select CRYPTO_AKCIPHER
 	select CRYPTO_STREEBOG
+	select OID_REGISTRY
+	select ASN1
 	help
 	  Elliptic Curve Russian Digital Signature Algorithm (GOST R 34.10-2012,
 	  RFC 7091, ISO/IEC 14888-3:2018) is one of the Russian cryptographic