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cuberite-2a/src/PolarSSL++/Sha1Checksum.h

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// Sha1Checksum.h
// Declares the cSha1Checksum class representing the SHA-1 checksum calculator
#pragma once
#include "polarssl/sha1.h"
/** Calculates a SHA1 checksum for data stream */
class cSha1Checksum
{
public:
typedef Byte Checksum[20]; // The type used for storing the checksum
cSha1Checksum(void);
/** Adds the specified data to the checksum */
void Update(const Byte * a_Data, size_t a_Length);
/** Calculates and returns the final checksum */
void Finalize(Checksum & a_Output);
/** Returns true if the object is accepts more input data, false if Finalize()-d (need to Restart()) */
bool DoesAcceptInput(void) const { return m_DoesAcceptInput; }
/** Converts a raw 160-bit SHA1 digest into a Java Hex representation
According to http://wiki.vg/wiki/index.php?title=Protocol_Encryption&oldid=2802
*/
static void DigestToJava(const Checksum & a_Digest, AString & a_JavaOut);
/** Clears the current context and start a new checksum calculation */
void Restart(void);
protected:
/** True if the object is accepts more input data, false if Finalize()-d (need to Restart()) */
bool m_DoesAcceptInput;
sha1_context m_Sha1;
} ;