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cswift.h

/* Attribution notice: Rainbow have generously allowed me to reproduce
 * the necessary definitions here from their API. This means the support
 * can build independently of whether application builders have the
 * API or hardware. This will allow developers to easily produce software
 * that has latent hardware support for any users that have accelertors
 * installed, without the developers themselves needing anything extra.
 *
 * I have only clipped the parts from the CryptoSwift header files that
 * are (or seem) relevant to the CryptoSwift support code. This is
 * simply to keep the file sizes reasonable.
 * [Geoff]
 */


/* NB: These type widths do *not* seem right in general, in particular
 * they're not terribly friendly to 64-bit architectures (unsigned long)
 * will be 64-bit on IA-64 for a start. I'm leaving these alone as they
 * agree with Rainbow's API and this will only be called into question
 * on platforms with Rainbow support anyway! ;-) */

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

typedef long              SW_STATUS;              /* status           */
typedef unsigned char     SW_BYTE;                /* 8 bit byte       */
typedef unsigned short    SW_U16;                 /* 16 bit number    */
#if defined(_IRIX)
#include <sgidefs.h>
typedef __uint32_t        SW_U32;
#else
typedef unsigned long     SW_U32;                 /* 32 bit integer   */
#endif
 
#if defined(OPENSSL_SYS_WIN32)
  typedef struct _SW_U64 {
      SW_U32 low32;
      SW_U32 high32;
  } SW_U64;                                         /* 64 bit integer   */
#elif defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
  typedef longlong SW_U64
#else /* Unix variants */
  typedef struct _SW_U64 {
      SW_U32 low32;
      SW_U32 high32;
  } SW_U64;                                         /* 64 bit integer   */
#endif

/* status codes */
#define SW_OK                 (0L)
#define SW_ERR_BASE           (-10000L)
#define SW_ERR_NO_CARD        (SW_ERR_BASE-1) /* The Card is not present   */
#define SW_ERR_CARD_NOT_READY (SW_ERR_BASE-2) /* The card has not powered  */
                                              /*    up yet                 */
#define SW_ERR_TIME_OUT       (SW_ERR_BASE-3) /* Execution of a command    */
                                              /*    time out               */
#define SW_ERR_NO_EXECUTE     (SW_ERR_BASE-4) /* The Card failed to        */
                                              /*    execute the command    */
#define SW_ERR_INPUT_NULL_PTR (SW_ERR_BASE-5) /* a required pointer is     */
                                              /*    NULL                   */
#define SW_ERR_INPUT_SIZE     (SW_ERR_BASE-6) /* size is invalid, too      */
                                              /*    small, too large.      */
#define SW_ERR_INVALID_HANDLE (SW_ERR_BASE-7) /* Invalid SW_ACC_CONTEXT    */
                                              /*    handle                 */
#define SW_ERR_PENDING        (SW_ERR_BASE-8) /* A request is already out- */
                                              /*    standing at this       */
                                              /*    context handle         */
#define SW_ERR_AVAILABLE      (SW_ERR_BASE-9) /* A result is available.    */
#define SW_ERR_NO_PENDING     (SW_ERR_BASE-10)/* No request is pending.    */
#define SW_ERR_NO_MEMORY      (SW_ERR_BASE-11)/* Not enough memory         */
#define SW_ERR_BAD_ALGORITHM  (SW_ERR_BASE-12)/* Invalid algorithm type    */
                                              /*    in SW_PARAM structure  */
#define SW_ERR_MISSING_KEY    (SW_ERR_BASE-13)/* No key is associated with */
                                              /*    context.               */
                                              /*    swAttachKeyParam() is  */
                                              /*    not called.            */
#define SW_ERR_KEY_CMD_MISMATCH \
                              (SW_ERR_BASE-14)/* Cannot perform requested  */
                                              /*    SW_COMMAND_CODE since  */
                                              /*    key attached via       */
                                              /*    swAttachKeyParam()     */
                                              /*    cannot be used for this*/
                                              /*    SW_COMMAND_CODE.       */
#define SW_ERR_NOT_IMPLEMENTED \
                              (SW_ERR_BASE-15)/* Not implemented           */
#define SW_ERR_BAD_COMMAND    (SW_ERR_BASE-16)/* Bad command code          */
#define SW_ERR_BAD_ITEM_SIZE  (SW_ERR_BASE-17)/* too small or too large in */
                                              /*    the "initems" or       */
                                              /*    "outitems".            */
#define SW_ERR_BAD_ACCNUM     (SW_ERR_BASE-18)/* Bad accelerator number    */
#define SW_ERR_SELFTEST_FAIL  (SW_ERR_BASE-19)/* At least one of the self  */
                                              /*    test fail, look at the */
                                              /*    selfTestBitmap in      */
                                              /*    SW_ACCELERATOR_INFO for*/
                                              /*    details.               */
#define SW_ERR_MISALIGN       (SW_ERR_BASE-20)/* Certain alogrithms require*/
                                              /*    key materials aligned  */
                                              /*    in certain order, e.g. */
                                              /*    128 bit for CRT        */
#define SW_ERR_OUTPUT_NULL_PTR \
                              (SW_ERR_BASE-21)/* a required pointer is     */
                                              /*    NULL                   */
#define SW_ERR_OUTPUT_SIZE \
                              (SW_ERR_BASE-22)/* size is invalid, too      */
                                              /*    small, too large.      */
#define SW_ERR_FIRMWARE_CHECKSUM \
                              (SW_ERR_BASE-23)/* firmware checksum mismatch*/
                                              /*    download failed.       */
#define SW_ERR_UNKNOWN_FIRMWARE \
                              (SW_ERR_BASE-24)/* unknown firmware error    */
#define SW_ERR_INTERRUPT      (SW_ERR_BASE-25)/* request is abort when     */
                                              /*    it's waiting to be     */
                                              /*    completed.             */
#define SW_ERR_NVWRITE_FAIL   (SW_ERR_BASE-26)/* error in writing to Non-  */
                                              /*    volatile memory        */
#define SW_ERR_NVWRITE_RANGE  (SW_ERR_BASE-27)/* out of range error in     */
                                              /*    writing to NV memory   */
#define SW_ERR_RNG_ERROR      (SW_ERR_BASE-28)/* Random Number Generation  */
                                              /*    failure                */
#define SW_ERR_DSS_FAILURE    (SW_ERR_BASE-29)/* DSS Sign or Verify failure*/
#define SW_ERR_MODEXP_FAILURE (SW_ERR_BASE-30)/* Failure in various math   */
                                              /*    calculations           */
#define SW_ERR_ONBOARD_MEMORY (SW_ERR_BASE-31)/* Error in accessing on -   */
                                              /*    board memory           */
#define SW_ERR_FIRMWARE_VERSION \
                              (SW_ERR_BASE-32)/* Wrong version in firmware */
                                              /*    update                 */
#define SW_ERR_ZERO_WORKING_ACCELERATOR \
                              (SW_ERR_BASE-44)/* All accelerators are bad  */


  /* algorithm type */
#define SW_ALG_CRT          1
#define SW_ALG_EXP          2
#define SW_ALG_DSA          3
#define SW_ALG_NVDATA       4

  /* command code */
#define SW_CMD_MODEXP_CRT   1 /* perform Modular Exponentiation using  */
                              /*  Chinese Remainder Theorem (CRT)      */
#define SW_CMD_MODEXP       2 /* perform Modular Exponentiation        */
#define SW_CMD_DSS_SIGN     3 /* perform DSS sign                      */
#define SW_CMD_DSS_VERIFY   4 /* perform DSS verify                    */
#define SW_CMD_RAND         5 /* perform random number generation      */
#define SW_CMD_NVREAD       6 /* perform read to nonvolatile RAM       */
#define SW_CMD_NVWRITE      7 /* perform write to nonvolatile RAM      */

typedef SW_U32            SW_ALGTYPE;             /* alogrithm type   */
typedef SW_U32            SW_STATE;               /* state            */
typedef SW_U32            SW_COMMAND_CODE;        /* command code     */
typedef SW_U32            SW_COMMAND_BITMAP[4];   /* bitmap           */

typedef struct _SW_LARGENUMBER {
    SW_U32    nbytes;       /* number of bytes in the buffer "value"  */
    SW_BYTE*  value;        /* the large integer as a string of       */
                            /*   bytes in network (big endian) order  */
} SW_LARGENUMBER;               

#if defined(OPENSSL_SYS_WIN32)
    #include <windows.h>
    typedef HANDLE          SW_OSHANDLE;          /* handle to kernel object */
    #define SW_OS_INVALID_HANDLE  INVALID_HANDLE_VALUE
    #define SW_CALLCONV _stdcall
#elif defined(OPENSSL_SYS_MACINTOSH_CLASSIC)
    /* async callback mechanisms */
    /* swiftCallbackLevel */
    #define SW_MAC_CALLBACK_LEVEL_NO         0        
    #define SW_MAC_CALLBACK_LEVEL_HARDWARE   1  /* from the hardware ISR */
    #define SW_MAC_CALLBACK_LEVEL_SECONDARY  2  /* as secondary ISR */
    typedef int             SW_MAC_CALLBACK_LEVEL;
    typedef int             SW_OSHANDLE;
    #define SW_OS_INVALID_HANDLE  (-1)
    #define SW_CALLCONV
#else /* Unix variants */
    typedef int             SW_OSHANDLE;          /* handle to driver */
    #define SW_OS_INVALID_HANDLE  (-1)
    #define SW_CALLCONV
#endif 

typedef struct _SW_CRT {
    SW_LARGENUMBER  p;      /* prime number p                         */
    SW_LARGENUMBER  q;      /* prime number q                         */
    SW_LARGENUMBER  dmp1;   /* exponent1                              */
    SW_LARGENUMBER  dmq1;   /* exponent2                              */
    SW_LARGENUMBER  iqmp;   /* CRT coefficient                        */
} SW_CRT;

typedef struct _SW_EXP {
    SW_LARGENUMBER  modulus; /* modulus                                */
    SW_LARGENUMBER  exponent;/* exponent                               */
} SW_EXP;

typedef struct _SW_DSA {
    SW_LARGENUMBER  p;      /*                                        */
    SW_LARGENUMBER  q;      /*                                        */
    SW_LARGENUMBER  g;      /*                                        */
    SW_LARGENUMBER  key;    /* private/public key                     */
} SW_DSA;

typedef struct _SW_NVDATA {
    SW_U32 accnum;          /* accelerator board number               */
    SW_U32 offset;          /* offset in byte                         */
} SW_NVDATA;

typedef struct _SW_PARAM {
    SW_ALGTYPE    type;     /* type of the alogrithm                  */
    union {
        SW_CRT    crt;
        SW_EXP    exp;
        SW_DSA    dsa;
        SW_NVDATA nvdata;
    } up;
} SW_PARAM;

typedef SW_U32 SW_CONTEXT_HANDLE; /* opaque context handle */


/* Now the OpenSSL bits, these function types are the for the function
 * pointers that will bound into the Rainbow shared libraries. */
typedef SW_STATUS SW_CALLCONV t_swAcquireAccContext(SW_CONTEXT_HANDLE *hac);
typedef SW_STATUS SW_CALLCONV t_swAttachKeyParam(SW_CONTEXT_HANDLE hac,
                                                SW_PARAM *key_params);
typedef SW_STATUS SW_CALLCONV t_swSimpleRequest(SW_CONTEXT_HANDLE hac,
                                                SW_COMMAND_CODE cmd,
                                    SW_LARGENUMBER pin[],
                                          SW_U32 pin_count,
                                                SW_LARGENUMBER pout[],
                                    SW_U32 pout_count);
typedef SW_STATUS SW_CALLCONV t_swReleaseAccContext(SW_CONTEXT_HANDLE hac);

#ifdef __cplusplus
}
#endif /* __cplusplus */


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