1 files changed, 32 insertions, 0 deletions

diff --git a/examples/extern.h b/examples/extern.h
new file mode 100644
index 0000000..578b8c4
--- /dev/null
+++ b/examples/extern.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2018 Yubico AB. All rights reserved.
+ * Use of this source code is governed by a BSD-style
+ * license that can be found in the LICENSE file.
+ */
+
+#ifndef _EXTERN_H_
+#define _EXTERN_H_
+
+#include <openssl/ec.h>
+#include <openssl/evp.h>
+#include <openssl/rsa.h>
+
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+/* util.c */
+EC_KEY *read_ec_pubkey(const char *);
+RSA *read_rsa_pubkey(const  char *);
+EVP_PKEY *read_eddsa_pubkey(const char *);
+int base10(const char *, long long *);
+int read_blob(const char *, unsigned char **, size_t *);
+int write_blob(const char *, const unsigned char *, size_t);
+int write_ec_pubkey(const char *, const void *, size_t);
+int write_rsa_pubkey(const char *, const void *, size_t);
+int write_eddsa_pubkey(const char *, const void *, size_t);
+#ifdef SIGNAL_EXAMPLE
+void prepare_signal_handler(int);
+#endif
+
+#endif /* _EXTERN_H_ */