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Diffstat (limited to 'CryptoPP/trunhash.h')
-rw-r--r-- | CryptoPP/trunhash.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/CryptoPP/trunhash.h b/CryptoPP/trunhash.h deleted file mode 100644 index c1c4e9b64..000000000 --- a/CryptoPP/trunhash.h +++ /dev/null @@ -1,48 +0,0 @@ -#ifndef CRYPTOPP_TRUNHASH_H -#define CRYPTOPP_TRUNHASH_H - -#include "cryptlib.h" - -NAMESPACE_BEGIN(CryptoPP) - -class NullHash : public HashTransformation -{ -public: - void Update(const byte *input, size_t length) {} - unsigned int DigestSize() const {return 0;} - void TruncatedFinal(byte *digest, size_t digestSize) {} - bool TruncatedVerify(const byte *digest, size_t digestLength) {return true;} -}; - -//! construct new HashModule with smaller DigestSize() from existing one -template <class T> -class TruncatedHashTemplate : public HashTransformation -{ -public: - TruncatedHashTemplate(T hm, unsigned int digestSize) - : m_hm(hm), m_digestSize(digestSize) {} - TruncatedHashTemplate(const byte *key, size_t keyLength, unsigned int digestSize) - : m_hm(key, keyLength), m_digestSize(digestSize) {} - TruncatedHashTemplate(size_t digestSize) - : m_digestSize(digestSize) {} - - void Restart() - {m_hm.Restart();} - void Update(const byte *input, size_t length) - {m_hm.Update(input, length);} - unsigned int DigestSize() const {return m_digestSize;} - void TruncatedFinal(byte *digest, size_t digestSize) - {m_hm.TruncatedFinal(digest, digestSize);} - bool TruncatedVerify(const byte *digest, size_t digestLength) - {return m_hm.TruncatedVerify(digest, digestLength);} - -private: - T m_hm; - unsigned int m_digestSize; -}; - -typedef TruncatedHashTemplate<HashTransformation &> TruncatedHashModule; - -NAMESPACE_END - -#endif |