37 lines
697 B
C++
37 lines
697 B
C++
/*
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100% free public domain implementation of the HMAC-SHA1 algorithm
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by Chien-Chung, Chung (Jim Chung) <jimchung1221@gmail.com>
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*/
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#ifndef __HMAC_SHA1_H__
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#define __HMAC_SHA1_H__
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#include "SHA1.h"
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typedef unsigned char BYTE ;
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class CHMAC_SHA1 : public CSHA1
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{
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public:
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enum {
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SHA1_DIGEST_LENGTH = 20,
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SHA1_BLOCK_SIZE = 64
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} ;
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private:
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BYTE m_ipad[SHA1_BLOCK_SIZE];
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BYTE m_opad[SHA1_BLOCK_SIZE];
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// This holds one SHA1 block's worth of data, zero padded if necessary.
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char SHA1_Key[SHA1_BLOCK_SIZE];
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public:
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CHMAC_SHA1() {}
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void HMAC_SHA1(BYTE *text, int text_len, BYTE *key, int key_len, BYTE *digest);
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};
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#endif /* __HMAC_SHA1_H__ */
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