Geremia G / Crypto

Fork of François Berder Crypto, fixed AES CBC and small rework

Dependents:   AES_example shaun_larada Smartage

Fork of Crypto by Francois Berder

SHA2_64.h

Committer:
feb11
Date:
2013-09-07
Revision:
0:7a1237bd2d13
Child:
5:06cd9c8afa0b

File content as of revision 0:7a1237bd2d13:

#ifndef SHA2_64_H
#define SHA2_64_H

#include <stdint.h>

enum SHA2_64_TYPE
{
    SHA_384,
    SHA_512
};

class SHA2_64
{
    public :

        SHA2_64(SHA2_64_TYPE type);
        void add(uint8_t *in, uint32_t length);
        void computeDigest(uint8_t *digest);
        static void computeDigest(SHA2_64_TYPE type, uint8_t *digest, uint8_t *in, uint32_t length);

    private :
    
            static void computeBlock(uint64_t *h02, 
                                 uint64_t *h12, 
                                 uint64_t *h22, 
                                 uint64_t *h32, 
                                 uint64_t *h42, 
                                 uint64_t *h52, 
                                 uint64_t *h62,
                                 uint64_t *h72,
                                 uint8_t *buffer);
                                 
        SHA2_64_TYPE type;
        uint64_t h0, h1, h2, h3, h4, h5, h6, h7;
        uint32_t totalBufferLength;
        uint8_t buffer[128];
        uint8_t bufferLength;        
};

#endif