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-rw-r--r--src/libs/3rdparty/botan/src/lib/hash/mdx_hash/mdx_hash.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/hash/mdx_hash/mdx_hash.h b/src/libs/3rdparty/botan/src/lib/hash/mdx_hash/mdx_hash.h
new file mode 100644
index 0000000000..f958e9fb75
--- /dev/null
+++ b/src/libs/3rdparty/botan/src/lib/hash/mdx_hash/mdx_hash.h
@@ -0,0 +1,68 @@
+/*
+* MDx Hash Function
+* (C) 1999-2008 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_MDX_BASE_H_
+#define BOTAN_MDX_BASE_H_
+
+#include <botan/hash.h>
+
+namespace Botan {
+
+/**
+* MDx Hash Function Base Class
+*/
+class BOTAN_PUBLIC_API(2,0) MDx_HashFunction : public HashFunction
+ {
+ public:
+ /**
+ * @param block_length is the number of bytes per block
+ * @param big_byte_endian specifies if the hash uses big-endian bytes
+ * @param big_bit_endian specifies if the hash uses big-endian bits
+ * @param counter_size specifies the size of the counter var in bytes
+ */
+ MDx_HashFunction(size_t block_length,
+ bool big_byte_endian,
+ bool big_bit_endian,
+ size_t counter_size = 8);
+
+ size_t hash_block_size() const override final { return m_buffer.size(); }
+ protected:
+ void add_data(const uint8_t input[], size_t length) override final;
+ void final_result(uint8_t output[]) override final;
+
+ /**
+ * Run the hash's compression function over a set of blocks
+ * @param blocks the input
+ * @param block_n the number of blocks
+ */
+ virtual void compress_n(const uint8_t blocks[], size_t block_n) = 0;
+
+ void clear() override;
+
+ /**
+ * Copy the output to the buffer
+ * @param buffer to put the output into
+ */
+ virtual void copy_out(uint8_t buffer[]) = 0;
+
+ /**
+ * Write the count, if used, to this spot
+ * @param out where to write the counter to
+ */
+ virtual void write_count(uint8_t out[]);
+ private:
+ secure_vector<uint8_t> m_buffer;
+ uint64_t m_count;
+ size_t m_position;
+
+ const bool BIG_BYTE_ENDIAN, BIG_BIT_ENDIAN;
+ const size_t COUNT_SIZE;
+ };
+
+}
+
+#endif