├── README.md
├── encrypt.sh
├── aes.go
└── daes.go


/README.md:
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1 | # En-de-crypt-cli


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/encrypt.sh:
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1 | #!/bin/bash
2 | go run aes.go
3 | 
4 | 


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/aes.go:
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 1 | package main
 2 | import (
 3 | 	"crypto/aes"
 4 | 	"crypto/cipher"
 5 | 	"crypto/rand"
 6 | 	"fmt"
 7 | 	"io"
 8 | 	"io/ioutil"
 9 | 
10 | )
11 | 
12 | func main(){
13 | 	fmt.Println("Encryption program v0.01")
14 | 
15 | 
16 | 
17 | 	fmt.Println("Enter Your text which is to be encrypted: ")
18 | 	var first string
19 |     	fmt.Scanln(&first)
20 |     	fmt.Println("Enter Your passphrase (passphrase should be 32 bytes): ")    	
21 | 	var passphrase string
22 |     	fmt.Scanln(&passphrase)
23 |     	text := []byte(first)
24 | 	key := []byte(passphrase)
25 | 	c,err := aes.NewCipher(key)
26 | 	if err != nil{
27 | 		fmt.Println(err)
28 | 	}
29 | 	
30 | 	gcm,err := cipher.NewGCM(c)
31 | 	if err != nil{
32 | 	fmt.Println(err)
33 | 	}
34 | 	nonce := make([]byte, gcm.NonceSize())
35 | 	
36 | 	if _, err = io.ReadFull(rand.Reader,nonce); err != nil{
37 | 	
38 | 	fmt.Println(err)
39 | 	}
40 | 	//fmt.Println(gcm.Seal(nonce, nonce, text, nil))
41 | 	err = ioutil.WriteFile("myfile.data", gcm.Seal(nonce, nonce, text, nil), 0777)
42 | 
43 | 	if err != nil {
44 | 	fmt.Println(err)
45 | }
46 | }
47 | 


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/daes.go:
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 1 | package main
 2 | 
 3 | import (
 4 |     "crypto/aes"
 5 |     "crypto/cipher"
 6 |     "fmt"
 7 |     "io/ioutil"
 8 | )
 9 | 
10 | func main() {
11 |     fmt.Println("Decryption Program v0.01")
12 |     fmt.Println("Enter Your passphrase (passphrase should be 32 bytes): ")    	
13 |     var passphrase string
14 |     fmt.Scanln(&passphrase)
15 |     fmt.Println("Enter Your data filename (format = xyz.data): ")    	
16 |     var filename string
17 |     fmt.Scanln(&filenam)
18 |     
19 |     key := []byte(passphrase)
20 |     
21 |     ciphertext, err := ioutil.ReadFile(filename.data)
22 | 
23 |     if err != nil {
24 |         fmt.Println(err)
25 |     }
26 | 
27 |     c, err := aes.NewCipher(key)
28 |     if err != nil {
29 |         fmt.Println(err)
30 |     }
31 | 
32 |     gcm, err := cipher.NewGCM(c)
33 |     if err != nil {
34 |         fmt.Println(err)
35 |     }
36 | 
37 |     nonceSize := gcm.NonceSize()
38 |     if len(ciphertext) < nonceSize {
39 |         fmt.Println(err)
40 |     }
41 | 
42 |     nonce, ciphertext := ciphertext[:nonceSize], ciphertext[nonceSize:]
43 |     plaintext, err := gcm.Open(nil, nonce, ciphertext, nil)
44 |     if err != nil {
45 |         fmt.Println(err)
46 |     }
47 |     fmt.Println(string(plaintext))
48 | }
49 | 


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