AesCBCEncrypt aes encryption, filling the 16 bits of the key key, 24, 32 respectively corresponding to AES-128, AES-192, or AES-256.

NewFromFile reads keys from a file and tries to decrypt them.

NewRandKeys creates a new pair of BLS keys.

PKCS7Padding add pkcs7 padding.

PKCS7UnPadding strips pkcs7 padding.

ErrAlreadyExists file already exists.

Keys are the keys used during consensus.

KeysJSON is a struct used to marshal / unmarshal fields to a encrypted file.