crypto

Documentation

Index

• func GenerateRandomKey(size int) ([]byte, error)
• type Cipher
• type CipherSigner
  • func NewCipherSigner(cipher Cipher, signer Signer) *CipherSigner
  • func (cs *CipherSigner) DecryptAndVerify(ciphertext []byte) ([]byte, error)
  • func (cs *CipherSigner) EncryptAndSign(plaintext []byte) ([]byte, error)
  • func (cs *CipherSigner) SignAndEncrypt(plaintext []byte) ([]byte, error)
  • func (cs *CipherSigner) VerifyAndDecrypt(ciphertext []byte) ([]byte, error)
• type Signer
• type Verifier

Functions

func GenerateRandomKey

func GenerateRandomKey(size int) ([]byte, error)

GenerateRandomKey generates a random key of a given size

Types

type Cipher

type Cipher interface {
	Encrypt(plaintext []byte) ([]byte, error)
	Decrypt(ciphertext []byte) ([]byte, error)
}

type CipherSigner

type CipherSigner struct {
	// contains filtered or unexported fields
}

func NewCipherSigner

func NewCipherSigner(cipher Cipher, signer Signer) *CipherSigner

func (*CipherSigner) DecryptAndVerify

func (cs *CipherSigner) DecryptAndVerify(ciphertext []byte) ([]byte, error)

func (*CipherSigner) EncryptAndSign

func (cs *CipherSigner) EncryptAndSign(plaintext []byte) ([]byte, error)

func (*CipherSigner) SignAndEncrypt

func (cs *CipherSigner) SignAndEncrypt(plaintext []byte) ([]byte, error)

func (*CipherSigner) VerifyAndDecrypt

func (cs *CipherSigner) VerifyAndDecrypt(ciphertext []byte) ([]byte, error)

type Signer

type Signer interface {
	Sign(plaintext []byte) ([]byte, error)
	Verifier
}

type Verifier

type Verifier interface {
	Verify(plaintext, signature []byte) error
	SignatureSize() int
}