54 lines
1.0 KiB
C++
54 lines
1.0 KiB
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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private:
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BYTE m_ipad[64];
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BYTE m_opad[64];
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char * szReport ;
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char * SHA1_Key ;
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char * AppendBuf1 ;
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char * AppendBuf2 ;
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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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HMAC_BUF_LEN = 4096
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} ;
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CHMAC_SHA1()
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:szReport(new char[HMAC_BUF_LEN]),
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AppendBuf1(new char[HMAC_BUF_LEN]),
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AppendBuf2(new char[HMAC_BUF_LEN]),
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SHA1_Key(new char[HMAC_BUF_LEN])
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{}
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~CHMAC_SHA1()
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{
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delete[] szReport ;
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delete[] AppendBuf1 ;
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delete[] AppendBuf2 ;
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delete[] SHA1_Key ;
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}
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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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