Package crypto provides facilities for ecdsa encryption and decryption.

Package keystore encrypt private key and save on disk uses JSON encoding.

Package rlp implements the RLP serialization format.

InitEmailConfig init email config.

LoadKeyStore load keystore from keyfile and passfile.

NewRing constructor.

SafeReadFile check permissions is '0400' and read file.

SendEmail send email.

SendEmailWithAttach send email with attach.

Ring encapsulate of ring.Ring.