hmac-generator: new program, to be able to test with curl

42sh$ echo toto | curl -d @- -H "X-ADLIN-Authentication: $(hmac-generator secret)" https://adlin.nemunai.re/api/secret

hmac-generator/.gitignore

@@ -0,0 +1 @@
+hmac-generator

hmac-generator/main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"crypto/hmac"
+	"crypto/sha512"
+	"encoding/base64"
+	"fmt"
+	"os"
+	"time"
+)
+
+func main() {
+	sharedSecret := "adelina"
+	if len(os.Args) > 1 {
+		sharedSecret = os.Args[1]
+	}
+
+	fmt.Println(base64.StdEncoding.EncodeToString(hmac.New(sha512.New, []byte(sharedSecret)).Sum([]byte(fmt.Sprintf("%d", time.Now().Unix()/10)))))
+}