memnix / memnix-rest

const DefaultBcryptCost = 10

var cryptoHelper = Crypto{

	crypto: NewBcryptCrypto(DefaultBcryptCost),

}

func GetCrypto() Crypto {

	return cryptoHelper

}

// ICrypto is the interface for the crypto methods

// It's used to abstract the crypto methods used in the application

// so that they can be easily swapped out if needed

type ICrypto interface {

	// Hash hashes a password using the configured crypto method

	Hash(password string) ([]byte, error)

	// Verify compares a crypto hashed password with its possible plaintext equivalent

	Verify(password string, hash []byte) (bool, error)

}

// Crypto is the struct that holds the crypto methods

type Crypto struct {

	crypto ICrypto

}

// Hash hashes a password using the configured crypto method

// password is the plaintext password to hash.

// Returns the hashed password, or an error on failure.

func (c Crypto) Hash(password string) ([]byte, error) {

	return c.crypto.Hash(password) //nolint:wrapcheck

}

// Verify compares a crypto hashed password with its possible plaintext equivalent

// password is the plaintext password to verify.

// hash is the bcrypt hashed password.

// Returns nil on success, or an error on failure.

// Returns true if the password matches, false if it does not.

func (c Crypto) Verify(password string, hash []byte) (bool, error) {

	return c.crypto.Verify(password, hash) //nolint:wrapcheck

}