fenc/Encryption/CreateCipherBlock.go

package Encryption

import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/hmac"
	"crypto/sha256"
	"hash"
)

func CreateHash(key string) []byte {
	var h hash.Hash
	h = hmac.New(sha256.New, []byte(key))
	h.Write([]byte(key))
	return h.Sum(nil)
}

func CreateKey(hashedKey []byte) (cipher.Block, error) {
	var (
		block cipher.Block
		e     error
	)
	block, e = aes.NewCipher(hashedKey)
	if e != nil {
		return nil, e
	}
	return block, nil
}