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threefish.h

@@ -42,10 +42,7 @@ struct Threefish_Info : public VariableBlockSize<32, 32, 128>
     CRYPTOPP_CONSTANT(IV_LENGTH=32)
     //! \brief Provides a valid key length for the algorithm provided by a static function.
     //! \param keylength the size of the key, in bytes
-	//! \details The key length depends on the block size. For each block size, 128, 256 and 512,
-	//!   the key length can be either the block size or twice the block size. That means the
-	//!   valid key lengths are 126, 256, 512 and 1024. Additionally, it means a key length of,
-	//!   say, 32 could be used with either 128-block size or 256-block size.
+    //! \details Threefish uses 256, 512 and 1024-bit keys. The block size follows key length.
     CRYPTOPP_STATIC_CONSTEXPR size_t CRYPTOPP_API StaticGetValidKeyLength(size_t keylength)
     {
         // Valid key lengths are 256, 512 and 1024 bits