openssl pkcs8 -in key.pem -topk8 -out enckey.pem -v1 PBE-SHA1-3DES
openssl pkcs8 -inform DER -nocrypt -in key.der -out key.pem
openssl pkcs8 -in pk8.pem -out key.pem
openssl pkcs8 -in key.pem -topk8 -out enckey.pem
openssl pkcs8 -in key.pem -topk8 -v2 des3 -out enckey.pem