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/*********************************************************************
* 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.
*********************************************************************/
#ifndef SHA256_H
#define SHA256_H
/*************************** HEADER FILES ***************************/
#include <stddef.h>
#include "ndpi_typedefs.h"
/****************************** MACROS ******************************/
#define NDPI_SHA256_BLOCK_SIZE 32 // SHA256 outputs a 32 byte digest
/**************************** DATA TYPES ****************************/
typedef struct {
u_int8_t data[64];
u_int32_t datalen;
unsigned long long bitlen;
u_int32_t state[8];
} ndpi_SHA256_CTX;
/*********************** FUNCTION DECLARATIONS **********************/
void ndpi_sha256_init(ndpi_SHA256_CTX *ctx);
void ndpi_sha256_update(ndpi_SHA256_CTX *ctx, const u_int8_t data[], size_t len);
void ndpi_sha256_final(ndpi_SHA256_CTX *ctx, u_int8_t hash[]);
#endif // SHA256_H
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