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authorMatthias Schiffer <mschiffer@universe-factory.net>2013-08-15 01:18:51 +0200
committerMatthias Schiffer <mschiffer@universe-factory.net>2013-08-15 01:18:51 +0200
commit6ecf69b6e67ff552aaf2ab8062be072aba062e0e (patch)
treecb77455a0a096bd10d42b0f2dacedb668bbfa8b8 /src/sha256.h
parente10944f8c9b774ad4e8c618bea7962d31756b4ad (diff)
downloadfastd-6ecf69b6e67ff552aaf2ab8062be072aba062e0e.tar
fastd-6ecf69b6e67ff552aaf2ab8062be072aba062e0e.zip
Add small SHA256 implementation
The NaCl implementation has a code size of more than 10KiB.
Diffstat (limited to 'src/sha256.h')
-rw-r--r--src/sha256.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/sha256.h b/src/sha256.h
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+/*
+ Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef _FASTD_SHA256_H_
+#define _FASTD_SHA256_H_
+
+#include <stdint.h>
+
+
+#define FASTD_SHA256_HASH_BYTES 32
+#define FASTD_SHA256_HASH_BLOCK_BYTES 32
+
+
+void fastd_sha256_blocks(uint8_t out[FASTD_SHA256_HASH_BYTES], ...);
+
+#endif /* _FASTD_SHA256_H_ */