meowlib/asymcrypt_test.go

package meowlib

import (
	"encoding/base64"
	"fmt"
	"log"
	"os"
	"testing"

	"github.com/stretchr/testify/assert"
)

var privateKeyECC = `-----BEGIN PGP PRIVATE KEY BLOCK-----
Version: openpgp-mobile
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=CJ/U
-----END PGP PRIVATE KEY BLOCK-----`

var publicKeyECC = `-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: openpgp-mobile

xjMEY1j9rBYJKwYBBAHaRw8BAQdAk3jWTLSrUqL+vyeEv63DTLlp03IcMExucmFE
RG+IbZjNIVRlc3QgKHNhbXBsZSkgPHNhbXBsZUBzYW1wbGUuY29tPsKLBBMWCAA9
BQJjWP2sCZAJROkfuYxzdRYhBIMc5aXgx4LDoYl2+QlE6R+5jHN1AhsDAh4BAhkB
AgsHAhUIAxYAAgIiAQAAqPkA/jH0q9kWmuIt3Yr3sJpmzkzNviviN4v+rSkxXp3p
K8n5AQC2up9Ci86ES1p0KinLVHeB6kh15fgWHu0c1iLek47nCM44BGNY/awSCisG
AQQBl1UBBQEBB0CPjwde4pN+iNJguyU2YC0KPoyTAWmPhNHZvkqQoPb2SAMBCgnC
eAQYFggAKgUCY1j9rAmQCUTpH7mMc3UWIQSDHOWl4MeCw6GJdvkJROkfuYxzdQIb
DAAAdIABAM/bBoF7U7HyYhDGYSjY/FwG8pmD0Aq7JhAXmtbqmwfFAP4iqpNHDmm1
WE88AQOdxtE8dAuu16suOpgLUfluDgnzCg==
=oWIw
-----END PGP PUBLIC KEY BLOCK-----`

func TestNewKeyPair(t *testing.T) {
	kp := NewKeyPair()
	fmt.Println(kp.Public)
	fmt.Println(kp.Private)
}

func TestGetKey(t *testing.T) {
	kp := NewKeyPair()
	//	fmt.Println(kp.Public)
	//	fmt.Println(kp.Private)
	key := kp.GetCryptoKeyObject()
	//	fmt.Println(key.Armor())
	Armpubkey, _ := key.GetArmoredPublicKey()
	pubkey := base64.StdEncoding.EncodeToString([]byte(Armpubkey))
	println(len([]byte(pubkey)))
	binpubkey, _ := key.GetPublicKey()
	println(len(binpubkey))
	assert.Equal(t, kp.Public, pubkey, "The two public keys should be the same.")
	//if kp.Public != pubkey {
	//	log.Fatal("error in public key")
	//}
}

func TestAsymEncryptDecrypt(t *testing.T) {
	kp := NewKeyPair()
	foo := []byte("!#$%&()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz{|}~")
	encMess, err := AsymEncrypt(kp.Public, foo)
	if err != nil {
		log.Println(err.Error())
	}
	println("len enc:", len(encMess))
	decMess, err2 := AsymDecrypt(kp.Private, encMess)
	if err2 != nil {
		log.Println(err2.Error())
	}
	assert.Equal(t, foo, decMess, "The two messages should be the same.")
}

func TestAsymEncryptDecryptSigned(t *testing.T) {
	kp := NewKeyPair()
	foo := "!#$%&()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz{|}~"
	enc, err := AsymEncryptAndSign(kp.Public, kp.Private, []byte(foo))
	if err != nil {
		log.Println(err.Error())
	}
	decMess, err2 := AsymDecryptAndCheck(kp.Private, kp.Public, enc.Data, enc.Signature)
	if err2 != nil {
		log.Println(err2.Error())
	}
	assert.Equal(t, foo, string(decMess), "The two messages should be the same.")
}

func TestAsymEncryptDecryptSigned2(t *testing.T) {
	kp := NewKeyPair()
	foo := "!#$%&()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz{|}~"
	enc, err := AsymEncryptAndSign(kp.Public, kp.Private, []byte(foo))
	if err != nil {
		log.Println(err.Error())
	}
	decMess, err2 := AsymDecryptAndCheck(kp.Private, kp.Public, enc.Data, enc.Signature)
	if err2 != nil {
		log.Println(err2.Error())
	}
	assert.Equal(t, foo, string(decMess), "The two messages should be the same.")
}

func TestFlutterCompat(t *testing.T) {
	pub := base64.StdEncoding.EncodeToString([]byte(publicKeyECC))
	priv := base64.StdEncoding.EncodeToString([]byte(privateKeyECC))

	enc, err := AsymEncryptAndSign(pub, priv, []byte("Hello"))
	if err != nil {
		log.Println(err.Error())
	}

	println(base64.StdEncoding.EncodeToString(enc.Data))
	println(base64.StdEncoding.EncodeToString(enc.Signature))

}

func TestFlutterDecode(t *testing.T) {
	pub, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/pub.key")
	if err != nil {
		fmt.Println("Err")
	}
	priv, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/priv.key")
	if err != nil {
		fmt.Println("Err")
	}
	msg, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/msg.enc")
	if err != nil {
		fmt.Println("Err")
	}
	sign, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/msg.sign")
	if err != nil {
		fmt.Println("Err")
	}
	decMsg, err := AsymDecrypt(base64.StdEncoding.EncodeToString(priv), msg)
	if err != nil {
		log.Println(err.Error())
	}
	println(string(decMsg))
	decMsg, err = AsymDecryptAndCheck(base64.StdEncoding.EncodeToString(priv), base64.StdEncoding.EncodeToString(pub), msg, sign)
	if err != nil {
		log.Println(err.Error())
	}
	println(string(decMsg))
	println(base64.StdEncoding.EncodeToString(pub))

}

func TestFlutterEncode(t *testing.T) {
	pub, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/pub.key")
	if err != nil {
		fmt.Println("Err")
	}
	priv, err := os.ReadFile("/home/yves/Documents/code/flutter/meowlib/priv.key")
	if err != nil {
		fmt.Println("Err")
	}

	enc, err := AsymEncryptAndSign(base64.StdEncoding.EncodeToString(pub), base64.StdEncoding.EncodeToString(priv), []byte("Hello"))
	if err != nil {
		log.Println(err.Error())
	}

	err = os.WriteFile("/home/yves/Documents/code/flutter/meowlib/gomsg.enc", enc.Data, 0644)
	if err != nil {
		fmt.Println("Err")
	}
	err = os.WriteFile("/home/yves/Documents/code/flutter/meowlib/gomsg.sign", enc.Signature, 0644)
	if err != nil {
		fmt.Println("Err")
	}
	println(base64.StdEncoding.EncodeToString(pub))

}