59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
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#ifndef ___SHA1_H___
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#define ___SHA1_H___
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#include <stdio.h> // Needed for file access
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#include <memory.h> // Needed for memset and memcpy
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#include <string.h> // Needed for strcat and strcpy
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#define SHA1_LITTLE_ENDIAN
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#ifdef LICENSING_BIG_ENDIAN
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// If you're compiling big endian, just comment out the following line
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#undef SHA1_LITTLE_ENDIAN
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#endif
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typedef union
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{
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unsigned char c[64];
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unsigned int l[16];
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} SHA1_WORKSPACE_BLOCK;
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class SHA1
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{
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public:
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// Two different formats for ReportHash(...)
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enum
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{
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REPORT_HEX = 0,
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REPORT_DIGIT = 1
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};
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// Constructor and Destructor
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SHA1();
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virtual ~SHA1();
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unsigned int m_state[5];
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unsigned int m_count[2];
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unsigned char m_buffer[64];
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unsigned char m_digest[20];
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void Reset();
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// Update the hash value
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void Update(unsigned char *data, unsigned int len);
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// Finalize hash and report
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void Final();
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void GetHash(unsigned char *uDest);
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private:
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// Private SHA-1 transformation
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void Transform(unsigned int state[5], unsigned char buffer[64]);
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// Member variables
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unsigned char m_workspace[64];
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SHA1_WORKSPACE_BLOCK *m_block; // SHA1 pointer to the byte array above
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};
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#endif
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