downloads API, UI

secretstore/io.go

@@ -0,0 +1,30 @@
+package secretstore
+
+import (
+	"crypto/rand"
+	"encoding/binary"
+	"fmt"
+	"io"
+)
+
+func readFull(in io.Reader, ba []byte) (err error) {
+	_, err = io.ReadFull(in, ba)
+	return
+}
+
+func read[T any](in io.Reader) (v T, err error) {
+	err = binary.Read(in, binary.BigEndian, &v)
+	return
+}
+
+var readSize = read[uint16]
+
+func randRead(ba []byte) (err error) {
+	err = readFull(rand.Reader, ba)
+	if err != nil {
+		err = fmt.Errorf("failed to read random bytes: %w", err)
+		return
+	}
+
+	return
+}