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pull/186/merge
Jeffrey Walton 2017-05-14 15:30:59 -04:00
parent 32ab4af5ff
commit 54ca8b3a16
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2 changed files with 419 additions and 422 deletions
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threefish.h
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@ -42,10 +42,7 @@ struct Threefish_Info : public VariableBlockSize<32, 32, 128>
CRYPTOPP_CONSTANT(IV_LENGTH=32) CRYPTOPP_CONSTANT(IV_LENGTH=32)
//! \brief Provides a valid key length for the algorithm provided by a static function. //! \brief Provides a valid key length for the algorithm provided by a static function.
//! \param keylength the size of the key, in bytes //! \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, //! \details Threefish uses 256, 512 and 1024-bit keys. The block size follows key length.
//! 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.
CRYPTOPP_STATIC_CONSTEXPR size_t CRYPTOPP_API StaticGetValidKeyLength(size_t keylength) CRYPTOPP_STATIC_CONSTEXPR size_t CRYPTOPP_API StaticGetValidKeyLength(size_t keylength)
{ {
// Valid key lengths are 256, 512 and 1024 bits // Valid key lengths are 256, 512 and 1024 bits