1 files changed, 56 insertions, 0 deletions
diff --git a/dsa-sha1-sign.c b/dsa-sha1-sign.c
new file mode 100644
index 00000000..5654c493
--- /dev/null
+++ b/dsa-sha1-sign.c
@@ -0,0 +1,56 @@
+/* dsa-sha1-sign.c
+ *
+ * The original DSA publickey algorithm, using SHA-1.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2010 Niels Möller
+ *  
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ * 
+ * The nettle library 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 Lesser General Public
+ * License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "dsa.h"
+
+int
+dsa_sha1_sign_digest(const struct dsa_public_key *pub,
+		     const struct dsa_private_key *key,
+		     void *random_ctx, nettle_random_func random,
+		     const uint8_t *digest,
+		     struct dsa_signature *signature)
+{
+  return _dsa_sign(pub, key, random_ctx, random,
+		   SHA1_DIGEST_SIZE, digest, signature);
+}
+
+
+int
+dsa_sha1_sign(const struct dsa_public_key *pub,
+	      const struct dsa_private_key *key,
+	      void *random_ctx, nettle_random_func random,
+	      struct sha1_ctx *hash,
+	      struct dsa_signature *signature)
+{
+  uint8_t digest[SHA1_DIGEST_SIZE];
+  sha1_digest(hash, sizeof(digest), digest);
+
+  return _dsa_sign(pub, key, random_ctx, random,
+		   sizeof(digest), digest, signature);
+}