crypt

Documentation

Index

• func Decrypt(ciphertext []byte, key []byte) (plaintext []byte, err error)
• func DecryptFromHex(hexCiphertext string, hexKey string) ([]byte, error)
• func Encrypt(plaintext []byte, key []byte) (ciphertext []byte, err error)
• func EncryptAndHex(plaintext []byte, hexKey string) (string, error)
• func GenerateHMAC(data []byte, key []byte) []byte
• func GenerateHMACFromHex(data []byte, hexKey string) (string, error)
• func GenerateRandomStringFromLetters(length int, letterRunes []rune) string
• func NewEncryptionKey() (*[32]byte, error)
• func NewEncryptionKeyInHex() (string, error)
• func VerifyHMAC(data []byte, key []byte, suppliedMAC []byte) bool
• func VerifyHMACFromHex(data []byte, hexKey string, suppliedHexMAC string) (bool, error)

Functions

func Decrypt

func Decrypt(ciphertext []byte, key []byte) (plaintext []byte, err error)

Decrypt decrypts data using 256-bit AES-GCM.

func DecryptFromHex

func DecryptFromHex(hexCiphertext string, hexKey string) ([]byte, error)

func Encrypt

func Encrypt(plaintext []byte, key []byte) (ciphertext []byte, err error)

Encrypt encrypts data using 256-bit AES-GCM.

func EncryptAndHex

func EncryptAndHex(plaintext []byte, hexKey string) (string, error)

func GenerateHMAC

func GenerateHMAC(data []byte, key []byte) []byte

GenerateHMAC produces a SHA-512/256 hash using 256-bit key

func GenerateHMACFromHex

func GenerateHMACFromHex(data []byte, hexKey string) (string, error)

GenerateHMACFromHex produces a SHA-512/256 hash using 256-bit key

func GenerateRandomStringFromLetters

func GenerateRandomStringFromLetters(length int, letterRunes []rune) string

GenerateRandomStringFromLetters generates a random string of the given length using the provided runes this function panics if - the provided length is less than 1 - if the provided runes are empty - if os fails to read random bytes

func NewEncryptionKey

func NewEncryptionKey() (*[32]byte, error)

NewEncryptionKey generates a random 256-bit key

func NewEncryptionKeyInHex

func NewEncryptionKeyInHex() (string, error)

func VerifyHMAC

func VerifyHMAC(data []byte, key []byte, suppliedMAC []byte) bool

VerifyHMAC checks the supplied MAC against the hash of the data using the key

func VerifyHMACFromHex

func VerifyHMACFromHex(data []byte, hexKey string, suppliedHexMAC string) (bool, error)

VerifyHMACFromHex checks the supplied MAC against the hash of the data using the key