Encryption & Decryption package for golang

Related tags

Cryptography encdec


Encryption & Decryption package for golang

func main() {

startingTime := time.Now()

privKey, pubKey := GenerateRsaKeyPair()
fmt.Println("PrivateKey:", privKey)
pkey := ExportRsaPrivateKeyAsPemStr(privKey)

err := privKey.Validate()
if err != nil {
	fmt.Println("Error:", err.Error())

fmt.Println("Key-1:", pkey)

pkey2, err := ParseRsaPrivateKeyFromPemStr(pkey)
fmt.Println(err, "Key-2:", pkey2)

pubKeystr, _ := ExportRsaPublicKeyAsPemStr(pubKey)

pubKey2, err := ParseRsaPublicKeyFromPemStr(pubKeystr)

fmt.Println("PublicKey:", pubKeystr, err)

fmt.Println(pubKey, err)

var label []byte
sourceText := []byte(`I Love my country`)
encryptedText := encrypt(pubKey, sourceText, label)
fmt.Println("encryptedText:", encryptedText)

fmt.Println("sourceText...:", sourceText)
decryptedText := decrypt(pkey2, encryptedText, label)
fmt.Println("decryptedText:", decryptedText)

fmt.Println("TimeTaken:", time.Since(startingTime).Milliseconds(), " ms")


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