Implement PSS encoding functions

Signed-off-by: Daiki Ueno <dueno@redhat.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/pss-mgf1.h b/pss-mgf1.h
new file mode 100644
index 00000000..4a29c108
--- /dev/null
+++ b/pss-mgf1.h
@@ -0,0 +1,58 @@
+/* pss-mgf1.h
+
+   PKCS#1 mask generation function 1, used in RSA-PSS (RFC-3447).
+
+   Copyright (C) 2017 Daiki Ueno
+
+   This file is part of GNU Nettle.
+
+   GNU Nettle is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at your
+       option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at your
+       option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Nettle is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef NETTLE_PSS_MGF1_H_INCLUDED
+#define NETTLE_PSS_MGF1_H_INCLUDED
+
+#include "nettle-meta.h"
+
+#include "sha1.h"
+#include "sha2.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Namespace mangling */
+#define pss_mgf1 nettle_pss_mgf1
+
+void
+pss_mgf1(const void *seed, const struct nettle_hash *hash,
+	 size_t length, uint8_t *mask);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NETTLE_PSS_MGF1_H_INCLUDED */