crypto

package

v0.0.0-...-69f1810 Latest Latest Go to latest Published: Feb 9, 2024 License: Apache-2.0 Imports: 14 Imported by: 22

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Repository

github.com/freehandle/breeze

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Documentation ¶

Overview ¶

Package ed25519 implements the Ed25519 signature algorithm. See https://ed25519.cr.yp.to/.

These functions are also compatible with the “Ed25519” function defined in RFC 8032. However, unlike RFC 8032's formulation, this package's private key representation includes a public key suffix to make multiple signing operations with the same key more efficient. This package refers to the RFC 8032 private key as the “seed”.

This is a interface adaptation of the original file.

Index ¶

Constants
Variables
func EncodeHash(h Hash) string
func IsValidPrivateKey(data []byte) bool
func NewCipherKey() []byte
func Nonce() []byte
func RandomAsymetricKey() (Token, PrivateKey)
type Address
- func (a Address) Hex() string
- func (a Address) MarshalText() (text []byte, err error)
- func (a Address) String() string
type Cipher
- func CipherFromKey(key []byte) Cipher
- func (c Cipher) Open(msg []byte) ([]byte, error)
- func (c Cipher) Seal(msg []byte) []byte
type CipherNonce
- func CipherNonceFromKey(key []byte) CipherNonce
- func (c CipherNonce) Open(msg []byte) ([]byte, error)
- func (c CipherNonce) OpenNewNonce(msg []byte, nonce []byte) ([]byte, error)
- func (c CipherNonce) Seal(msg []byte) []byte
- func (c CipherNonce) SealWithNewNonce(msg []byte) ([]byte, []byte)
- func (c CipherNonce) SetNonce(nonce []byte)
type Hash
- func BytesToHash(bytes []byte) Hash
- func DecodeHash(text string) Hash
- func HashToken(token Token) Hash
- func Hasher(data []byte) Hash
- func (h Hash) Equal(another Hash) bool
- func (h Hash) Equals(another []byte) bool
- func (h Hash) MarshalText() (text []byte, err error)
- func (h Hash) String() string
- func (hash Hash) ToInt64() int64
- func (h Hash) UnmarshalText(text []byte) error
type PrivateKey
- func ParsePEMPrivateKey(data []byte) (PrivateKey, error)
- func PrivateKeyFromSeed(seed [32]byte) PrivateKey
- func (p PrivateKey) Hex() string
- func (p PrivateKey) PublicKey() Token
- func (p PrivateKey) Sign(msg []byte) Signature
type Signature
- func (s Signature) MarshalText() (text []byte, err error)
- func (s Signature) String() string
- func (s Signature) UnmarshalText(text []byte) error
type Token
- func ParsePEMPublicKey(data []byte) (Token, error)
- func TokenFromString(s string) Token
- func (t Token) Address() Address
- func (t Token) Equal(another Token) bool
- func (t Token) Equals(bytes []byte) bool
- func (t Token) Hex() string
- func (t Token) IsLike(a Address) bool
- func (t Token) Larger(another Token) bool
- func (t Token) MarshalText() (text []byte, err error)
- func (t Token) String() string
- func (t Token) UnmarshalText(text []byte) error
- func (t Token) Verify(msg []byte, signature Signature) bool
type TokenCipher
type TokenCiphers
type TokenValue

Constants ¶

View Source

const (
	NonceSize      = 12
	Size           = sha256.Size
	CipherKeySize  = 32
	CipherSize     = NonceSize + CipherKeySize
	PublicKeySize  = 32
	TokenSize      = 32
	PrivateKeySize = 64
	SignatureSize  = 64
)

View Source

const AddressSize = 20

Variables ¶

View Source

var ErrPrivateKeyParse = errors.New("could not parse private key")

View Source

var ErrPublicKeyParse = errors.New("could not parse public key")

Functions ¶

func EncodeHash ¶

func EncodeHash(h Hash) string

func IsValidPrivateKey ¶

func IsValidPrivateKey(data []byte) bool

func NewCipherKey ¶

func NewCipherKey() []byte

func Nonce ¶

func Nonce() []byte

func RandomAsymetricKey ¶

func RandomAsymetricKey() (Token, PrivateKey)

Types ¶

type Address ¶

type Address [AddressSize]byte

func (Address) Hex ¶

func (a Address) Hex() string

func (Address) MarshalText ¶

func (a Address) MarshalText() (text []byte, err error)

func (Address) String ¶

func (a Address) String() string

type Cipher ¶

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

func CipherFromKey ¶

func CipherFromKey(key []byte) Cipher

func (Cipher) Open ¶

func (c Cipher) Open(msg []byte) ([]byte, error)

func (Cipher) Seal ¶

func (c Cipher) Seal(msg []byte) []byte

type CipherNonce ¶

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

func CipherNonceFromKey ¶

func CipherNonceFromKey(key []byte) CipherNonce

func (CipherNonce) Open ¶

func (c CipherNonce) Open(msg []byte) ([]byte, error)

func (CipherNonce) OpenNewNonce ¶

func (c CipherNonce) OpenNewNonce(msg []byte, nonce []byte) ([]byte, error)

func (CipherNonce) Seal ¶

func (c CipherNonce) Seal(msg []byte) []byte

func (CipherNonce) SealWithNewNonce ¶

func (c CipherNonce) SealWithNewNonce(msg []byte) ([]byte, []byte)

func (CipherNonce) SetNonce ¶

func (c CipherNonce) SetNonce(nonce []byte)

type Hash ¶

type Hash [Size]byte

var ZeroHash Hash = Hasher([]byte{})

var ZeroValueHash Hash

func BytesToHash ¶

func BytesToHash(bytes []byte) Hash

func DecodeHash ¶

func DecodeHash(text string) Hash

func HashToken ¶

func HashToken(token Token) Hash

func Hasher ¶

func Hasher(data []byte) Hash

func (Hash) Equal ¶

func (h Hash) Equal(another Hash) bool

func (Hash) Equals ¶

func (h Hash) Equals(another []byte) bool

func (Hash) MarshalText ¶

func (h Hash) MarshalText() (text []byte, err error)

func (Hash) String ¶

func (h Hash) String() string

func (Hash) ToInt64 ¶

func (hash Hash) ToInt64() int64

func (Hash) UnmarshalText ¶

func (h Hash) UnmarshalText(text []byte) error

type PrivateKey ¶

type PrivateKey [PrivateKeySize]byte

var ZeroPrivateKey PrivateKey

func ParsePEMPrivateKey ¶

func ParsePEMPrivateKey(data []byte) (PrivateKey, error)

func PrivateKeyFromSeed ¶

func PrivateKeyFromSeed(seed [32]byte) PrivateKey

func (PrivateKey) Hex ¶

func (p PrivateKey) Hex() string

func (PrivateKey) PublicKey ¶

func (p PrivateKey) PublicKey() Token

func (PrivateKey) Sign ¶

func (p PrivateKey) Sign(msg []byte) Signature

type Signature ¶

type Signature [SignatureSize]byte

var ZeroSignature Signature

func (Signature) MarshalText ¶

func (s Signature) MarshalText() (text []byte, err error)

func (Signature) String ¶

func (s Signature) String() string

func (Signature) UnmarshalText ¶

func (s Signature) UnmarshalText(text []byte) error

type Token ¶

type Token [TokenSize]byte

var ZeroToken Token

func ParsePEMPublicKey ¶

func ParsePEMPublicKey(data []byte) (Token, error)

func TokenFromString ¶

func TokenFromString(s string) Token

func (Token) Address ¶

func (t Token) Address() Address

func (Token) Equal ¶

func (t Token) Equal(another Token) bool

func (Token) Equals ¶

func (t Token) Equals(bytes []byte) bool

func (Token) Hex ¶

func (t Token) Hex() string

func (Token) IsLike ¶

func (t Token) IsLike(a Address) bool

func (Token) Larger ¶

func (t Token) Larger(another Token) bool

func (Token) MarshalText ¶

func (t Token) MarshalText() (text []byte, err error)

func (Token) String ¶

func (t Token) String() string

func (Token) UnmarshalText ¶

func (t Token) UnmarshalText(text []byte) error

func (Token) Verify ¶

func (t Token) Verify(msg []byte, signature Signature) bool

type TokenCipher ¶

type TokenCipher struct {
	Token  Token
	Cipher []byte
}

type TokenCiphers ¶

type TokenCiphers []TokenCipher

type TokenValue ¶

type TokenValue struct {
	Token Token
	Value uint64
}

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
dh
curve25519 Package curve25519 provides an implementation of the X25519 function, which performs scalar multiplication on the elliptic curve known as Curve25519.	Package curve25519 provides an implementation of the X25519 function, which performs scalar multiplication on the elliptic curve known as Curve25519.
curve25519/internal/field Package field implements fast arithmetic modulo 2^255-19.	Package field implements fast arithmetic modulo 2^255-19.
edwards25519
pbkdf2 Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.	Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
scrypt Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf).	Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (https://www.tarsnap.com/scrypt/scrypt.pdf).

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