/*-
 * Written by Corinne Dive-Reclus(cdive@baltimore.com)
 *
 * Copyright@2001 Baltimore Technologies Ltd.
 *
 * THIS FILE IS PROVIDED BY BALTIMORE TECHNOLOGIES ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL BALTIMORE TECHNOLOGIES BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifdef WIN32
#define SW_EXPORT	__declspec ( dllexport )
#else
#define SW_EXPORT
#endif

/*
*	List of exposed SureWare errors
*/
#define SUREWAREHOOK_ERROR_FAILED		-1
#define SUREWAREHOOK_ERROR_FALLBACK		-2
#define SUREWAREHOOK_ERROR_UNIT_FAILURE -3
#define SUREWAREHOOK_ERROR_DATA_SIZE -4
#define SUREWAREHOOK_ERROR_INVALID_PAD -5
/*-
* -----------------WARNING-----------------------------------
* In all the following functions:
* msg is a string with at least 24 bytes free.
* A 24 bytes string will be concatenated to the existing content of msg. 
*/
/*-
*	SureWare Initialisation function
*	in param threadsafe, if !=0, thread safe enabled
*	return SureWareHOOK_ERROR_UNIT_FAILURE if failure, 1 if success
*/
typedef int SureWareHook_Init_t(char*const msg,int threadsafe);
extern SW_EXPORT SureWareHook_Init_t SureWareHook_Init;
/*-
*	SureWare Finish function
*/
typedef void SureWareHook_Finish_t(void);
extern SW_EXPORT SureWareHook_Finish_t SureWareHook_Finish;
/*-
*	 PRE_CONDITION:
*		DO NOT CALL ANY OF THE FOLLOWING FUNCTIONS IN CASE OF INIT FAILURE
*/
/*-
*	SureWare RAND Bytes function
*	In case of failure, the content of buf is unpredictable.
*	return 1 if success
*			SureWareHOOK_ERROR_FALLBACK if function not available in hardware
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	in/out param buf : a num bytes long buffer where random bytes will be put
*	in param num : the number of bytes into buf
*/
typedef int SureWareHook_Rand_Bytes_t(char*const msg,unsigned char *buf, int num);
extern SW_EXPORT SureWareHook_Rand_Bytes_t SureWareHook_Rand_Bytes;

/*-
*	SureWare RAND Seed function
*	Adds some seed to the Hardware Random Number Generator
*	return 1 if success
*			SureWareHOOK_ERROR_FALLBACK if function not available in hardware
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	in param buf : the seed to add into the HRNG
*	in param num : the number of bytes into buf
*/
typedef int SureWareHook_Rand_Seed_t(char*const msg,const void *buf, int num);
extern SW_EXPORT SureWareHook_Rand_Seed_t SureWareHook_Rand_Seed;

/*-
*	SureWare Load Private Key function
*	return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*	No hardware is contact for this function.
*
*	in param key_id :the name of the private protected key file without the extension
						".sws"
*	out param hptr : a pointer to a buffer allocated by SureWare_Hook
*	out param num: the effective key length in bytes
*	out param keytype: 1 if RSA 2 if DSA
*/
typedef int SureWareHook_Load_Privkey_t(char*const msg,const char *key_id,char **hptr,unsigned long *num,char *keytype);
extern SW_EXPORT SureWareHook_Load_Privkey_t SureWareHook_Load_Privkey;

/*-
*	SureWare Info Public Key function
*	return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*	No hardware is contact for this function.
*
*	in param key_id :the name of the private protected key file without the extension
						".swp"
*	out param hptr : a pointer to a buffer allocated by SureWare_Hook
*	out param num: the effective key length in bytes
*	out param keytype: 1 if RSA 2 if DSA
*/
typedef int SureWareHook_Info_Pubkey_t(char*const msg,const char *key_id,unsigned long *num,
										char *keytype);
extern SW_EXPORT SureWareHook_Info_Pubkey_t SureWareHook_Info_Pubkey;

/*-
*	SureWare Load Public Key function
*	return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*	No hardware is contact for this function.
*
*	in param key_id :the name of the public protected key file without the extension
						".swp"
*	in param num : the bytes size of n and e
*	out param n: where to write modulus in bn format
*	out param e: where to write exponent in bn format
*/
typedef int SureWareHook_Load_Rsa_Pubkey_t(char*const msg,const char *key_id,unsigned long num,
										unsigned long *n, unsigned long *e);
extern SW_EXPORT SureWareHook_Load_Rsa_Pubkey_t SureWareHook_Load_Rsa_Pubkey;

/*-
*	SureWare Load DSA Public Key function
*	return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*	No hardware is contact for this function.
*
*	in param key_id :the name of the public protected key file without the extension
						".swp"
*	in param num : the bytes size of n and e
*	out param pub: where to write pub key in bn format
*	out param p: where to write prime in bn format
*	out param q: where to write sunprime (length 20 bytes) in bn format
*	out param g: where to write base in bn format
*/
typedef int SureWareHook_Load_Dsa_Pubkey_t(char*const msg,const char *key_id,unsigned long num,
										unsigned long *pub, unsigned long *p,unsigned long*q,
										unsigned long *g);
extern SW_EXPORT SureWareHook_Load_Dsa_Pubkey_t SureWareHook_Load_Dsa_Pubkey;

/*-
*	SureWare Free function
*	Destroy the key into the hardware if destroy==1
*/
typedef void SureWareHook_Free_t(char *p,int destroy);
extern SW_EXPORT SureWareHook_Free_t SureWareHook_Free;

#define SUREWARE_PKCS1_PAD 1
#define SUREWARE_ISO9796_PAD 2
#define SUREWARE_NO_PAD 0
/*-
* SureWare RSA Private Decryption
* return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	in param flen : byte size of from and to
*	in param from : encrypted data buffer, should be a not-null valid pointer
*	out param tlen: byte size of decrypted data, if error, unexpected value
*	out param to : decrypted data buffer, should be a not-null valid pointer
*   in param prsa: a protected key pointer, should be a not-null valid pointer
*   int padding: padding id as follow
*					SUREWARE_PKCS1_PAD
*					SUREWARE_NO_PAD
*
*/
typedef int SureWareHook_Rsa_Priv_Dec_t(char*const msg,int flen,unsigned char *from,
										int *tlen,unsigned char *to,
										char *prsa,int padding);
extern SW_EXPORT SureWareHook_Rsa_Priv_Dec_t SureWareHook_Rsa_Priv_Dec;
/*-
* SureWare RSA Signature
* return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	in param flen : byte size of from and to
*	in param from : encrypted data buffer, should be a not-null valid pointer
*	out param tlen: byte size of decrypted data, if error, unexpected value
*	out param to : decrypted data buffer, should be a not-null valid pointer
*   in param prsa: a protected key pointer, should be a not-null valid pointer
*   int padding: padding id as follow
*					SUREWARE_PKCS1_PAD
*					SUREWARE_ISO9796_PAD
*
*/
typedef int SureWareHook_Rsa_Sign_t(char*const msg,int flen,unsigned char *from,
										int *tlen,unsigned char *to,
										char *prsa,int padding);
extern SW_EXPORT SureWareHook_Rsa_Sign_t SureWareHook_Rsa_Sign;
/*-
* SureWare DSA Signature
* return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	in param flen : byte size of from and to
*	in param from : encrypted data buffer, should be a not-null valid pointer
*	out param to : decrypted data buffer, should be a 40bytes valid pointer
*   in param pdsa: a protected key pointer, should be a not-null valid pointer
*
*/
typedef int SureWareHook_Dsa_Sign_t(char*const msg,int flen,const unsigned char *from,
										unsigned long *r,unsigned long *s,char *pdsa);
extern SW_EXPORT SureWareHook_Dsa_Sign_t SureWareHook_Dsa_Sign;


/*-
* SureWare Mod Exp
* return 1 if success
*			SureWareHOOK_ERROR_FAILED if error while processing
*			SureWareHOOK_ERROR_UNIT_FAILURE if hardware failure
*			SUREWAREHOOK_ERROR_DATA_SIZE wrong size for buf
*
*	mod and res are mlen bytes long.
*	exp is elen bytes long
*	data is dlen bytes long
*	mlen,elen and dlen are all multiple of sizeof(unsigned long)
*/
typedef int SureWareHook_Mod_Exp_t(char*const msg,int mlen,const unsigned long *mod,
									int elen,const unsigned long *exponent,
									int dlen,unsigned long *data,
									unsigned long *res);
extern SW_EXPORT SureWareHook_Mod_Exp_t SureWareHook_Mod_Exp;

