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-rw-r--r--botan/src/hash/sha2/sha2_64.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/botan/src/hash/sha2/sha2_64.h b/botan/src/hash/sha2/sha2_64.h
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+++ b/botan/src/hash/sha2/sha2_64.h
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+/*
+* SHA-{384,512}
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_SHA_64BIT_H__
+#define BOTAN_SHA_64BIT_H__
+
+#include <botan/mdx_hash.h>
+
+namespace Botan {
+
+/*
+* SHA-{384,512} Base
+*/
+class BOTAN_DLL SHA_384_512_BASE : public MDx_HashFunction
+ {
+ protected:
+ void clear() throw();
+
+ SHA_384_512_BASE(u32bit out) :
+ MDx_HashFunction(out, 128, true, true, 16) {}
+
+ SecureBuffer<u64bit, 8> digest;
+ private:
+ void compress_n(const byte[], u32bit blocks);
+ void copy_out(byte[]);
+
+ SecureBuffer<u64bit, 80> W;
+ };
+
+/*
+* SHA-384
+*/
+class BOTAN_DLL SHA_384 : public SHA_384_512_BASE
+ {
+ public:
+ void clear() throw();
+ std::string name() const { return "SHA-384"; }
+ HashFunction* clone() const { return new SHA_384; }
+ SHA_384() : SHA_384_512_BASE(48) { clear(); }
+ };
+
+/*
+* SHA-512
+*/
+class BOTAN_DLL SHA_512 : public SHA_384_512_BASE
+ {
+ public:
+ void clear() throw();
+ std::string name() const { return "SHA-512"; }
+ HashFunction* clone() const { return new SHA_512; }
+ SHA_512() : SHA_384_512_BASE(64) { clear(); }
+ };
+
+}
+
+#endif