ece

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v0.4.17 Latest Latest Go to latest Published: Apr 17, 2022 License: MIT Imports: 10 Imported by: 0

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Repository

github.com/Mikubill/transfer

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Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func WithAuthSecret(authSecret []byte) engineOption
func WithKeyLabel(keyLabel string) engineOption
type Engine
- func (e *Engine) Decrypt(content, target []byte, params operationalParams) ([]byte, error)
- func (e *Engine) Encrypt(content, target []byte, params operationalParams) ([]byte, error)
type KeyLookupFunc
- func SingleKey(key *ecdsa.PrivateKey) KeyLookupFunc
type Version
- func (v Version) String() string

Constants ¶

View Source

const (
	KeySize = aes.BlockSize
	// NonceSize is standard nonce size for GCM (unexported in cipher package)
	NonceSize = 12
	// TagSize is standard auth tag size for GCM (unexported in cipher package)
	TagSize = 16
)

View Source

const (
	DefaultRecordSize uint32 = 4096
	DefaultKeyLabel   string = "P-256"
)

Variables ¶

View Source

var (
	ErrInvalidDH      = fmt.Errorf("dh sequence is invalid")
	ErrTruncated      = fmt.Errorf("content truncated")
	ErrInvalidPadding = fmt.Errorf("invalid padding")
)

View Source

var (
	ErrInvalidKeySize  = fmt.Errorf("invalid static key length")
	ErrInvalidSaltSize = fmt.Errorf("invaild salt size")
)

Functions ¶

func WithAuthSecret ¶

func WithAuthSecret(authSecret []byte) engineOption

WithAuthSecret specifies auth secret for shared key derivation

func WithKeyLabel ¶

func WithKeyLabel(keyLabel string) engineOption

WithKeyLabel sets a key label to use

Types ¶

type Engine ¶

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

Engine represents encryption and decryption engine

func (*Engine) Decrypt ¶

func (e *Engine) Decrypt(content, target []byte, params operationalParams) ([]byte, error)

Decrypt takes input cipher text, decrypts it using provided parameters and appends result to target

func (*Engine) Encrypt ¶

func (e *Engine) Encrypt(content, target []byte, params operationalParams) ([]byte, error)

Encrypt takes input plain text, encrypts it using provided parameters and appends result to target

type KeyLookupFunc ¶

type KeyLookupFunc func(keyID []byte) *ecdsa.PrivateKey

KeyLookupFunc is a function that fetches a private key by provided keyID It must always return non-nil value even if input is nil

func SingleKey ¶

func SingleKey(key *ecdsa.PrivateKey) KeyLookupFunc

type Version ¶

type Version string

Version determines encoding mode

const (
	// AES128GCM is a newest and recommended for usage, also used as default if not specified explicitly
	AES128GCM Version = "aes128gcm"

	// AESGCM is a widely used version (i.e. in Firebase Cloud Messaging)
	AESGCM Version = "aesgcm"

	// AESGCM128 is a legacy version but sometimes used
	AESGCM128 Version = "aesgcm128"
)

Available content-encoding versions

func (Version) String ¶

func (v Version) String() string

Source Files ¶

View all Source files

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