Adding upstream version 0.0~git20250307.c2e6a77.

Signed-off-by: Daniel Baumann <daniel@debian.org>

random.go

@@ -0,0 +1,31 @@
+package tygoja
+
+import (
+	mathRand "math/rand"
+	"time"
+)
+
+const defaultRandomAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+
+func init() {
+	mathRand.Seed(time.Now().UnixNano())
+}
+
+// PseudorandomString generates a pseudorandom string from the default
+// alphabet with the specified length.
+func PseudorandomString(length int) string {
+	return PseudorandomStringWithAlphabet(length, defaultRandomAlphabet)
+}
+
+// PseudorandomStringWithAlphabet generates a pseudorandom string
+// with the specified length and characters set.
+func PseudorandomStringWithAlphabet(length int, alphabet string) string {
+	b := make([]byte, length)
+	max := len(alphabet)
+
+	for i := range b {
+		b[i] = alphabet[mathRand.Intn(max)]
+	}
+
+	return string(b)
+}