Atmel Software Framework

sha2_context Struct Reference

SHA-256 context structure.

#include <sha2.h>

Data Fields

unsigned char buffer [64]
 
unsigned char ipad [64]
 
int is224
 
unsigned char opad [64]
 
unsigned long state [8]
 
unsigned long total [2]
 

unsigned char sha2_context::buffer[64]

data block being processed

unsigned char sha2_context::ipad[64]

HMAC: inner padding

int sha2_context::is224

0 => SHA-256, else SHA-224

unsigned char sha2_context::opad[64]

HMAC: outer padding

unsigned long sha2_context::state[8]

intermediate digest state

unsigned long sha2_context::total[2]

number of bytes processed