1 files changed, 38 insertions, 0 deletions
diff --git a/lib/avb/libavb/avb_crypto.c b/lib/avb/libavb/avb_crypto.c
new file mode 100644
index 0000000..9bd4720
--- /dev/null
+++ b/lib/avb/libavb/avb_crypto.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "avb_crypto.h"
+#include "avb_rsa.h"
+#include "avb_sha.h"
+#include "avb_util.h"
+
+bool avb_rsa_public_key_header_validate_and_byteswap(
+    const AvbRSAPublicKeyHeader* src, AvbRSAPublicKeyHeader* dest) {
+  avb_memcpy(dest, src, sizeof(AvbRSAPublicKeyHeader));
+
+  dest->key_num_bits = avb_be32toh(dest->key_num_bits);
+  dest->n0inv = avb_be32toh(dest->n0inv);
+
+  return true;
+}