sha2.h

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#pragma once
 
#include "../shared/ufotypes.h"
 
typedef struct {
    uint64_t total[2];
    uint64_t state[8];
    byte buffer[64];
} sha2_context;

void Com_SHA2Starts (sha2_context *ctx);
void Com_SHA2Update (sha2_context *ctx, const byte* input, uint32_t length);
void Com_SHA2Finish (sha2_context *ctx, byte digest[32]);

bool Com_SHA2File (const char* filename, byte digest[32]);

void Com_SHA2Csum (const byte* buf, uint32_t buflen, byte digest[32]);

void Com_SHA2Hmac (const byte* buf, uint32_t buflen, const byte* key, uint32_t keylen, byte digest[32]);
 
void Com_SHA2ToHex (const byte digest[32], char final[65]);