Add support for full signature verification

[onak.git] / rsa.h

diff --git a/rsa.h b/rsa.h
new file mode 100644 (file)
index 0000000..a204f45
--- /dev/null
+++ b/rsa.h
@@ -0,0 +1,42 @@
+/*
+ * rsa.h - routines to check RSA hash signature combos not present in libnettle
+ *
+ * Copyright 2019 Jonathan McDowell <noodles@earth.li>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; version 2 of the License.
+ *
+ * This program 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 a copy of the GNU General Public License along with
+ * this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __RSA_H__
+#define __RSA_H__
+
+#ifdef HAVE_NETTLE
+#include <string.h>
+
+#include <nettle/ripemd160.h>
+#include <nettle/rsa.h>
+#include <nettle/sha.h>
+
+int rsa_ripemd160_verify_digest(const struct rsa_public_key *key,
+                        const uint8_t *digest,
+                        const mpz_t s);
+
+int rsa_sha224_verify_digest(const struct rsa_public_key *key,
+                        const uint8_t *digest,
+                        const mpz_t s);
+
+int rsa_sha384_verify_digest(const struct rsa_public_key *key,
+                        const uint8_t *digest,
+                        const mpz_t s);
+#endif
+
+#endif /* __RSA_H__ */