hmac.h

IBM开发的TPM的驱动, 有少量的例子可以供参考

/****************************************************************************/
/*                                                                          */
/* HMAC.H 09 Feb 2004                                                       */
/*                                                                          */
/*                           Copyright (C) 2004 IBM                         */
/*                                                                          */
/****************************************************************************/
#ifndef HMAC_H
#define HMAC_H

uint32_t TSS_authhmac(unsigned char *digest, unsigned char *key,
		      unsigned int keylen, unsigned char *h1,
		      unsigned char *h2, unsigned char h3, ...);
uint32_t TSS_checkhmac1(unsigned char *buffer, uint32_t command,
			unsigned char *ononce, unsigned char *key,
			unsigned int keylen, ...);
uint32_t TSS_checkhmac2(unsigned char *buffer, uint32_t command,
			unsigned char *ononce, unsigned char *key1,
			unsigned int keylen1, unsigned char *key2,
			unsigned int keylen2, ...);
uint32_t TSS_rawhmac(unsigned char *digest, unsigned char *key,
		     unsigned int keylen, ...);

#endif