fix: segregate env setup

server/crypto/hmac.go

@@ -0,0 +1,19 @@
+package crypto
+
+import "github.com/google/uuid"
+
+// NewHMAC key returns new key that can be used to ecnrypt data using HMAC algo
+func NewHMACKey() string {
+	key := uuid.New().String()
+	return key
+}
+
+// IsHMACValid checks if given string is valid HMCA algo
+func IsHMACA(algo string) bool {
+	switch algo {
+	case "HS256", "HS384", "HS512":
+		return true
+	default:
+		return false
+	}
+}