adding SHA-2 (now complete) in C

[avr-crypto-lib.git] / sha2 / sha2_small_common.h

diff --git a/sha2/sha2_small_common.h b/sha2/sha2_small_common.h
new file mode 100644 (file)
index 0000000..a771d5d
--- /dev/null
+++ b/sha2/sha2_small_common.h
@@ -0,0 +1,31 @@
+/* sha2_small_common.h */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
+
+    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, either version 3 of the License, or
+    (at your option) any later version.
+
+    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 <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef SHA2_SMALL_COMMON_H_
+#define SHA2_SMALL_COMMON_H_
+
+typedef struct {
+       uint32_t h[8];
+       uint32_t length;
+} sha2_small_common_ctx_t;
+
+void sha2_small_common_nextBlock(sha2_small_common_ctx_t* state, const void* block);
+void sha2_small_common_lastBlock(sha2_small_common_ctx_t* state, const void* block, uint16_t length_b);
+
+#endif /* SHA2_SMALL_COMMON_H_ */