feat: initial commit

main.go

@@ -0,0 +1,52 @@
+package main
+
+import (
+	"os"
+
+	"github.com/ProtonMail/gopenpgp/v3/crypto"
+)
+
+const keyFile = "pubkey.asc"
+
+func generateFile() string {
+	return "this is a file"
+}
+
+func encryptFile(content string) []byte {
+	publicKeyArmored, err := os.ReadFile(keyFile)
+	if err != nil {
+		panic(err)
+	}
+
+	publicKey, err := crypto.NewKeyFromArmored(string(publicKeyArmored))
+	if err != nil {
+		panic(err)
+	}
+
+	pgp := crypto.PGP()
+	enc, err := pgp.Encryption().Recipient(publicKey).New()
+	if err != nil {
+		panic(err)
+	}
+
+	message, err := enc.Encrypt([]byte(content))
+	if err != nil {
+		panic(err)
+	}
+
+	messageArmored, err := message.ArmorBytes()
+	if err != nil {
+		panic(err)
+	}
+
+	return messageArmored
+}
+
+func main() {
+	content := generateFile()
+	encrypted := encryptFile(content)
+	err := os.WriteFile("data.gpg", encrypted, 0600)
+	if err != nil {
+		panic(err)
+	}
+}