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-rw-r--r--modules/rng/randpool/randpool.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/modules/rng/randpool/randpool.h b/modules/rng/randpool/randpool.h
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+++ b/modules/rng/randpool/randpool.h
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+/*************************************************
+* Randpool Header File *
+* (C) 1999-2008 Jack Lloyd *
+*************************************************/
+
+#ifndef BOTAN_RANDPOOL_H__
+#define BOTAN_RANDPOOL_H__
+
+#include <botan/rng.h>
+#include <botan/base.h>
+#include <vector>
+
+namespace Botan {
+
+/*************************************************
+* Randpool *
+*************************************************/
+class BOTAN_DLL Randpool : public RandomNumberGenerator
+ {
+ public:
+ void randomize(byte[], u32bit);
+ bool is_seeded() const;
+ void clear() throw();
+ std::string name() const;
+
+ void reseed();
+ void add_entropy_source(EntropySource*);
+ void add_entropy(const byte[], u32bit);
+
+ Randpool(const std::string&, const std::string&);
+ ~Randpool();
+ private:
+ void update_buffer();
+ void mix_pool();
+
+ const u32bit ITERATIONS_BEFORE_RESEED, POOL_BLOCKS;
+ BlockCipher* cipher;
+ MessageAuthenticationCode* mac;
+
+ std::vector<EntropySource*> entropy_sources;
+ SecureVector<byte> pool, buffer, counter;
+ u32bit entropy;
+ };
+
+}
+
+#endif