1 files changed, 44 insertions, 0 deletions
diff --git a/wsutil/rsa.h b/wsutil/rsa.h
new file mode 100644
index 00000000..83817048
--- /dev/null
+++ b/wsutil/rsa.h
@@ -0,0 +1,44 @@
+/** @file
+ *
+ * Functions for RSA private key reading and use
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 2007 Gerald Combs
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef __RSA_H__
+#define __RSA_H__
+
+#include <wireshark.h>
+#include <gcrypt.h>
+
+#ifdef HAVE_LIBGNUTLS
+#include <stdio.h>
+#include <gnutls/abstract.h>
+WS_DLL_PUBLIC gcry_sexp_t rsa_privkey_to_sexp(gnutls_x509_privkey_t priv_key, char **err);
+
+/**
+ * Load an RSA private key from specified file
+ * @param fp the file that contain the key data
+ * @param [out] err   error message upon failure; NULL upon success
+ * @return a pointer to the loaded key on success, or NULL upon failure
+ */
+WS_DLL_PUBLIC gnutls_x509_privkey_t rsa_load_pem_key(FILE* fp, char **err);
+
+/**
+ * Load a RSA private key from a PKCS#12 file (DER or PEM format)
+ * @param fp          the file that contains the key data
+ * @param cert_passwd password to decrypt the PKCS#12 file
+ * @param [out] err   error message upon failure; NULL upon success
+ * @return a pointer to the loaded key on success; NULL upon failure
+ */
+WS_DLL_PUBLIC gnutls_x509_privkey_t rsa_load_pkcs12(FILE* fp, const char *cert_passwd, char** err);
+#endif
+
+WS_DLL_PUBLIC void rsa_private_key_free(void * key);
+
+
+#endif /* __RSA_H__ */