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