Problem using GOST engine with OpenSSL_1_1_0-stable

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Problem using GOST engine with OpenSSL_1_1_0-stable

Dmitry Belyavsky-3
Hello,

I've found a problem when using GOST engine with OpenSSL_1_1_0-stable
The command 
openssl s_client -connect tlsgost-256.cryptopro.ru:443
provides the following error report:

139771868619968:error:0306B067:bignum routines:BN_div:div by zero:crypto/bn/bn_div.c:179:
139771868619968:error:8006B010:lib(128):GOST_EC_COMPUTE_PUBLIC:EC lib:/home/beldmit/upstream/engine/gost_ec_sign.c:463:
139771868619968:error:80077068:lib(128):PKEY_GOST_ECCP_ENCRYPT:error computing shared key:/home/beldmit/upstream/engine/gost_ec_keyx.c:192:
139771868619968:error:14196112:SSL routines:tls_construct_cke_gost:library bug:ssl/statem/statem_clnt.c:2436:

The error does not occur when using the master openssl branch. 

Thank you!

--
SY, Dmitry Belyavsky

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