hmacsha256.c File Reference

#include "precomp.h"
#include "hmac_pattern.c"

Include dependency graph for hmacsha256.c:

Go to the source code of this file.

Macros
#define	ALG   SHA256
#define	Alg   Sha256
#define	SET_DATALENGTH(state, len)   {state.dataLengthL = len;}

Functions
VOID SYMCRYPT_CALL	SymCryptHmacSha256Selftest (void)

Variables
const SYMCRYPT_MAC	SymCryptHmacSha256Algorithm_default
const PCSYMCRYPT_MAC	SymCryptHmacSha256Algorithm = &SymCryptHmacSha256Algorithm_default
static const BYTE	hmacSha256Kat [32]

Macro Definition Documentation

ALG

#define ALG   SHA256

Definition at line 9 of file hmacsha256.c.

Alg

#define Alg   Sha256

Definition at line 10 of file hmacsha256.c.

SET_DATALENGTH

#define SET_DATALENGTH	(		state,
			len
	)		{state.dataLengthL = len;}

Definition at line 11 of file hmacsha256.c.

Function Documentation

SymCryptHmacSha256Selftest()

VOID SYMCRYPT_CALL SymCryptHmacSha256Selftest

(

void

)

Definition at line 41 of file hmacsha256.c.

{
    SYMCRYPT_HMAC_SHA256_EXPANDED_KEY xKey;
    BYTE res[SYMCRYPT_HMAC_SHA256_RESULT_SIZE];
 
    SymCryptHmacSha256ExpandKey( &xKey, SymCryptTestKey32, 16 );
    SymCryptHmacSha256( &xKey, SymCryptTestMsg3, sizeof( SymCryptTestMsg3 ), res );
 
    SymCryptInjectError( res, sizeof( res ) );
 
    if( memcmp( res, hmacSha256Kat, sizeof( res ) ) != 0 )
    {
        SymCryptFatal( 'hsh2' );
    }
 
    //
    // Normally we would wipe the expanded key structure here,
    // but as this is a selftest with known data this is not needed.
    //
}

Variable Documentation

hmacSha256Kat

const BYTE hmacSha256Kat[32]

static

Initial value:

= {
    0xd6, 0x01, 0xcc, 0x17, 0x75, 0x59, 0xb0, 0x24,
    0x84, 0x59, 0x78, 0x7f, 0x7e, 0x80, 0x4e, 0xd7,
    0xf2, 0x76, 0x89, 0xb5, 0x99, 0x5c, 0x59, 0xb6,
    0x61, 0x80, 0x2d, 0x96, 0x82, 0xfd, 0xf8, 0xd2,
}

Definition at line 31 of file hmacsha256.c.

Referenced by SymCryptHmacSha256Selftest().

SymCryptHmacSha256Algorithm

const PCSYMCRYPT_MAC SymCryptHmacSha256Algorithm = &SymCryptHmacSha256Algorithm_default

Definition at line 29 of file hmacsha256.c.

Referenced by SymCrypt802_11SaeCustomInit(), SymCryptPbkdf2_HmacSha256SelfTest(), SymCryptSp800_108_HmacSha256SelfTest(), and SymCryptTlsCbcHmacVerify().

SymCryptHmacSha256Algorithm_default

const SYMCRYPT_MAC SymCryptHmacSha256Algorithm_default

Initial value:

= {
    SymCryptHmacSha256ExpandKey,
    SymCryptHmacSha256Init,
    SymCryptHmacSha256Append,
    SymCryptHmacSha256Result,
    sizeof(SYMCRYPT_HMAC_SHA256_EXPANDED_KEY),
    sizeof(SYMCRYPT_HMAC_SHA256_STATE),
    SYMCRYPT_HMAC_SHA256_RESULT_SIZE,
    &SymCryptSha256Algorithm,
    SYMCRYPT_FIELD_OFFSET( SYMCRYPT_HMAC_SHA256_EXPANDED_KEY, outerState ),
}

Definition at line 17 of file hmacsha256.c.