c:\Progra~1\OpenSSL-Win64\bin\openssl.exe ecparam -name secp384r1 -genkey | Out-File -Encoding utf8 "1.txt"
c:\Progra~1\OpenSSL-Win64\bin\openssl.exe req -passout pass:0 -new -key 1.txt -keyout dima.key.enc -out dima.csr -subj "/C=FI/ST=Helsinki/O=AR.VO/CN=A13" 2>null
c:\Progra~1\OpenSSL-Win64/bin/openssl.exe cmp -cmd p10cr -server https://ca.synrc.com:8829/ -secret pass:0000 -ref cmptestp10cr -csr dima.csr -certout dima.pem

$ openssl req -passout pass:0 -new -newkey ec:<(openssl ecparam -name secp384r1) -keyout dima.key.enc -out dima.csr -subj "/C=UA/ST=Kyiv/O=SYNRC/CN=dima"
$ openssl cmp -cmd p10cr -server "ca.synrc.com":8829 -secret pass:0000 -ref cmptestp10cr -certout dima.pem -csr dima.csr