1 files changed, 43 insertions, 0 deletions
diff --git a/host/lib/include/file_keys.h b/host/lib/include/file_keys.h
new file mode 100644
index 00000000..39fdc5ac
--- /dev/null
+++ b/host/lib/include/file_keys.h
@@ -0,0 +1,43 @@
+/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Utility functions for file and key handling.
+ */
+
+#ifndef VBOOT_REFERENCE_FILE_KEYS_H_
+#define VBOOT_REFERENCE_FILE_KEYS_H_
+
+#include "cryptolib.h"
+
+/* Read file named [input_file] into a buffer and stores the length into
+ * [len].
+ *
+ * Returns a pointer to the buffer. Caller owns the returned pointer and
+ * must free it.
+ */
+uint8_t* BufferFromFile(const char* input_file, uint64_t* len);
+
+/* Read a pre-processed RSA Public Key from file [input_file].
+ *
+ * Returns a pointer to the read key. Caller owns the returned pointer and
+ * must free it.
+ */
+RSAPublicKey* RSAPublicKeyFromFile(const char* input_file);
+
+/* Returns the appropriate digest for the data in [input_file]
+ * based on the signature [algorithm].
+ * Caller owns the returned digest and must free it.
+ */
+uint8_t* DigestFile(char* input_file, int sig_algorithm);
+
+/* Helper function to invoke external program to calculate signature on
+ * [input_file] using private key [key_file] and signature algorithm
+ * [algorithm].
+ *
+ * Returns the signature. Caller owns the buffer and must Free() it.
+ */
+uint8_t* SignatureFile(const char* input_file, const char* key_file,
+                       unsigned int algorithm);
+
+#endif  /* VBOOT_REFERENCE_FILE_KEYS_H_ */