package crypto import ( "github.com/tendermint/tendermint/crypto/tmhash" "github.com/tendermint/tendermint/libs/bytes" ) const ( // AddressSize is the size of a pubkey address. AddressSize = tmhash.TruncatedSize ) // An address is a []byte, but hex-encoded even in JSON. // []byte leaves us the option to change the address length. // Use an alias so Unmarshal methods (with ptr receivers) are available too. type Address = bytes.HexBytes func AddressHash(bz []byte) Address { return Address(tmhash.SumTruncated(bz)) } type PubKey interface { Address() Address Bytes() []byte VerifySignature(msg []byte, sig []byte) bool Equals(PubKey) bool Type() string } type PrivKey interface { Bytes() []byte Sign(msg []byte) ([]byte, error) PubKey() PubKey Equals(PrivKey) bool Type() string } type Symmetric interface { Keygen() []byte Encrypt(plaintext []byte, secret []byte) (ciphertext []byte) Decrypt(ciphertext []byte, secret []byte) (plaintext []byte, err error) } // If a new key type implements batch verification, // the key type must be registered in github.com/tendermint/tendermint/crypto/batch type BatchVerifier interface { // Add appends an entry into the BatchVerifier. Add(key PubKey, message, signature []byte) error // Verify verifies all the entries in the BatchVerifier. // If the verification fails it is unknown which entry failed and each entry will need to be verified individually. Verify() bool }