crypto.go

/**
ISC License

Copyright 2023 @mekramy (github.com/mekramy)

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package crypto

// Crypto cryptography interface
type Crypto interface {
	// Hash make hash for data
	Hash(data string, algo HashAlgo) (string, error)
	// HashFilename make hashed filename based on current timestamp
	HashFilename(filename string, algo HashAlgo) (string, error)
	// HashSize get hash size for algorithm
	// return -1 if invalid algo passed
	HashSize(algo HashAlgo) int
	// Check check data against hash
	Check(data string, hash string, algo HashAlgo) (bool, error)
	// Encrypt data
	Encrypt(data []byte) ([]byte, error)
	// Decrypt data
	Decrypt(data []byte) ([]byte, error)
	// EncryptHEX encrypt data and return encrypted value as hex encoded string
	EncryptHEX(data []byte) (string, error)
	// DecryptHex decrypt data from hex encoded string.
	DecryptHex(hexString string) ([]byte, error)
	// EncryptBase64 encrypt data and return encrypted value as base64 encoded string
	EncryptBase64(data []byte) (string, error)
	// DecryptBase64 decrypt data from base64 encoded string.
	DecryptBase64(base64String string) ([]byte, error)
}