Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/pkg/random/numbers.go

@@ -0,0 +1,21 @@
+package random
+
+import (
+	"crypto/rand"
+	"math/big"
+)
+
+// GenerateSixDigitCode generates a cryptographically secure random 6-digit number
+func GenerateSixDigitCode() (string, error) {
+	// Generate a random number between 100000 and 999999
+	max := big.NewInt(900000) // 999999 - 100000 + 1
+	n, err := rand.Int(rand.Reader, max)
+	if err != nil {
+		return "", err
+	}
+
+	// Add 100000 to ensure 6 digits
+	n.Add(n, big.NewInt(100000))
+
+	return n.String(), nil
+}