/*********************************************************************
* Filename:   sha256.h
* Author:     Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details:    Defines the API for the corresponding SHA1 implementation.
* Adaptation: Sunkware
*********************************************************************/

#ifndef SHA256_H
#define SHA256_H

#include <QGlobalStatic>


namespace cryptrav
{


/****************************** MACROS ******************************/
#define SHA256_BLOCK_SIZE 32            // SHA256 outputs a 32 byte digest

#define SHA256_COMPRESSION_BLOCK_SIZE 64

/**************************** DATA TYPES ****************************/

typedef struct {
    quint8     data[64];
    quint32    datalen;
    quint64    bitlen;
    quint32    state[8];
} SHA256_CTX;

/*********************** FUNCTION DECLARATIONS **********************/
void sha256_init(SHA256_CTX *ctx);
void sha256_update(SHA256_CTX *ctx, quint8* data, quint32 len);
void sha256_final(SHA256_CTX *ctx, quint8* hash);
void sha256_clear(SHA256_CTX *ctx); // for security reasons...


} // namespace "cryptrav"

#endif   // SHA256_H
