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40 lines
952 B

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
VerifyBytes(msg []byte, sig []byte) bool
Equals(PubKey) bool
}
type PrivKey interface {
Bytes() []byte
Sign(msg []byte) ([]byte, error)
PubKey() PubKey
Equals(PrivKey) bool
}
type Symmetric interface {
Keygen() []byte
Encrypt(plaintext []byte, secret []byte) (ciphertext []byte)
Decrypt(ciphertext []byte, secret []byte) (plaintext []byte, err error)
}