crypto

Documentation

Overview

package crypto provides lowest-level crypto types and primitives used by sigsum

Index

• Constants
• func NewEd25519Signer(key *PrivateKey) *ed25519Signer
• func Verify(pub *PublicKey, msg []byte, sig *Signature) bool
• type Hash
  • func HashBytes(b []byte) Hash
  • func HashFile(f io.Reader) (digest Hash, err error)
  • func HashFromHex(s string) (h Hash, err error)
• type PrivateKey
• type PublicKey
  • func NewKeyPair() (PublicKey, *ed25519Signer, error)
  • func PublicKeyFromHex(s string) (pub PublicKey, err error)
• type Signature
  • func SignatureFromHex(s string) (sig Signature, err error)
• type Signer
  • func SignerFromHex(s string) (Signer, error)

Constants

const (
	HashSize       = sha256.Size
	SignatureSize  = ed25519.SignatureSize
	PublicKeySize  = ed25519.PublicKeySize
	PrivateKeySize = ed25519.SeedSize
)

Functions

func NewEd25519Signer

func NewEd25519Signer(key *PrivateKey) *ed25519Signer

func Verify

func Verify(pub *PublicKey, msg []byte, sig *Signature) bool

Types

type Hash

type Hash [HashSize]byte

func HashBytes

func HashBytes(b []byte) Hash

func HashFile

func HashFile(f io.Reader) (digest Hash, err error)

func HashFromHex

func HashFromHex(s string) (h Hash, err error)

type PrivateKey

type PrivateKey [PrivateKeySize]byte

type PublicKey

type PublicKey [PublicKeySize]byte

func NewKeyPair

func NewKeyPair() (PublicKey, *ed25519Signer, error)

func PublicKeyFromHex

func PublicKeyFromHex(s string) (pub PublicKey, err error)

type Signature

type Signature [SignatureSize]byte

func SignatureFromHex

func SignatureFromHex(s string) (sig Signature, err error)

type Signer

type Signer interface {
	Sign([]byte) (Signature, error)
	Public() PublicKey
}

func SignerFromHex

func SignerFromHex(s string) (Signer, error)