utils

type TinyMfaUtil struct{}

type TinyMfaUtilInterface interface {
	// Encrypt takes in a byte array as data and another byte array as the passphrase,
	// encrypts the data using the AES cipher and returns the encrypted data (also as byte array)
	// please note that the nonce needed to encrypt the data using AES GCM is appended to the byte array
	Encrypt(data, passphrase *[]byte) (*[]byte, error)

	// EncryptFile takes a filePath as a string and a passphrase as a byte array.
	// The file found at filePath is then Encrypted using the Encrypt Method
	// and then wrote back to the original filePath
	EncryptFile(filePath string, data, passphrase *[]byte) error

	// Decrypt takes in two byte arrays. The former one is the encrypted data,
	// the second one is the passphrase that shall be used.
	// The method returns the decrypted data in another byte array
	// Attention: It is assumed that a nonce is appended to the encrypted
	// byte array!
	Decrypt(data, passphrase *[]byte) (*[]byte, error)

	// DecryptFile takes a filePath as a string and a passphrase as a byte array.
	// The file found at filePath is then decrypted using the Decrypt Method
	// and then wrote back to the original filePath
	DecryptFile(filePath string, passphrase *[]byte) (*[]byte, error)

	// DecodeBase32Key Decodes a base32 encoded key to a byte array
	DecodeBase32Key(encodedKey *string) (*[]byte, error)

	// EncodeBase32Key encodes a byte array to a base32 encoded string
	EncodeBase32Key(key *[]byte) *string

	// BcryptHash hashes a given byte array with bcrypt and a cost of 10
	BcryptHash(tohash []byte) ([]byte, error)

	// BycrptVerify compares a bcrypted comparable and its plain byte array
	BycrptVerify(comparable, verifiable []byte) error
}