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class NullHash : public HashTransformation
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void Update(const byte *input, size_t length) {}
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void Update(const byte *input, unsigned int length) {}
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unsigned int DigestSize() const {return 0;}
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void TruncatedFinal(byte *digest, size_t digestSize) {}
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bool TruncatedVerify(const byte *digest, size_t digestLength) {return true;}
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void TruncatedFinal(byte *digest, unsigned int digestSize) {}
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bool TruncatedVerify(const byte *digest, unsigned int digestLength) {return true;}
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//! construct new HashModule with smaller DigestSize() from existing one
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TruncatedHashTemplate(T hm, unsigned int digestSize)
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: m_hm(hm), m_digestSize(digestSize) {}
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TruncatedHashTemplate(const byte *key, size_t keyLength, unsigned int digestSize)
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TruncatedHashTemplate(const byte *key, unsigned int keyLength, unsigned int digestSize)
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: m_hm(key, keyLength), m_digestSize(digestSize) {}
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TruncatedHashTemplate(size_t digestSize)
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TruncatedHashTemplate(unsigned int digestSize)
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: m_digestSize(digestSize) {}
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void Update(const byte *input, size_t length)
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void Update(const byte *input, unsigned int length)
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{m_hm.Update(input, length);}
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unsigned int DigestSize() const {return m_digestSize;}
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void TruncatedFinal(byte *digest, size_t digestSize)
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void TruncatedFinal(byte *digest, unsigned int digestSize)
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{m_hm.TruncatedFinal(digest, digestSize);}
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bool TruncatedVerify(const byte *digest, size_t digestLength)
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bool TruncatedVerify(const byte *digest, unsigned int digestLength)
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{return m_hm.TruncatedVerify(digest, digestLength);}
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trunhash.h
