1 files changed, 50 insertions, 0 deletions
diff --git a/src/libsha2/digest.h b/src/libsha2/digest.h
new file mode 100644
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--- /dev/null
+++ b/src/libsha2/digest.h
@@ -0,0 +1,50 @@
+/**
+ * libsha2 – SHA-2-family hashing library
+ * 
+ * Copyright © 2015  Mattias Andrée (maandree@member.fsf.org)
+ * 
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This 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 Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef LIBSHA2_DIGEST_H
+#define LIBSHA2_DIGEST_H  1
+
+
+#include "state.h"
+
+
+/**
+ * Absorb more of the message
+ * 
+ * @param  state    The hashing state
+ * @param  message  The message
+ * @param  msglen   The length of the message
+ */
+__attribute__((nonnull, nothrow))
+void libsha2_update(libsha2_state_t* restrict state, const char* restrict message, size_t msglen);
+
+/**
+ * Absorb the last part of the message and output a hash
+ * 
+ * @param  state    The hashing state
+ * @param  message  The message
+ * @param  msglen   The length of the message, zero if there is nothing more to absorb
+ * @param  output   The output buffer for the hash
+ */
+__attribute__((nonnull(1, 4), nothrow))
+void libsha2_digest(libsha2_state_t* restrict state, const char* restrict message, size_t msglen, char* output);
+
+
+
+#endif
+