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ica_openssl_api.h

#ifndef __ICA_OPENSSL_API_H__
#define __ICA_OPENSSL_API_H__

/**
 ** abstract data types for API
 **/

#define ICA_ADAPTER_HANDLE int

#if defined(linux) || defined (_AIX)
#define ICA_CALL 
#endif

#if defined(WIN32) || defined(_WIN32)
#define ICA_CALL  __stdcall
#endif

/*------------------------------------------------*
 | RSA defines and typedefs                       |
 *------------------------------------------------*/
 /*
 * All data elements of the RSA key are in big-endian format
 * Modulus-Exponent form of key
 *
 */
 #define MAX_EXP_SIZE 256
 #define MAX_MODULUS_SIZE 256
 #define MAX_MODEXP_SIZE  (MAX_EXP_SIZE + MAX_MODULUS_SIZE)

 #define MAX_OPERAND_SIZE  MAX_EXP_SIZE

 typedef unsigned char ICA_KEY_RSA_MODEXPO_REC[MAX_MODEXP_SIZE];
 /*
 * All data elements of the RSA key are in big-endian format
 * Chinese Remainder Thereom(CRT) form of key
 * Used only for Decrypt, the encrypt form is typically Modulus-Exponent
 *
 */
 #define MAX_BP_SIZE 136
 #define MAX_BQ_SIZE 128
 #define MAX_NP_SIZE 136
 #define MAX_NQ_SIZE 128
 #define MAX_QINV_SIZE 136
 #define MAX_RSACRT_SIZE (MAX_BP_SIZE+MAX_BQ_SIZE+MAX_NP_SIZE+MAX_NQ_SIZE+MAX_QINV_SIZE)

#define RSA_GEN_OPERAND_MAX   256 /* bytes */

typedef unsigned char ICA_KEY_RSA_CRT_REC[MAX_RSACRT_SIZE];
/*------------------------------------------------*
 | RSA key token types                            |
 *------------------------------------------------*/

#define  RSA_PUBLIC_MODULUS_EXPONENT        3
#define  RSA_PKCS_PRIVATE_CHINESE_REMAINDER 6

#define KEYTYPE_MODEXPO         1
#define KEYTYPE_PKCSCRT         2


/*------------------------------------------------*
 | RSA Key Token format                           |
 *------------------------------------------------*/

/*
 * NOTE:  All the fields in the ICA_KEY_RSA_MODEXPO structure
 *        (lengths, offsets, exponents, modulus, etc.) are
 *        stored in big-endian format
 */

00071 typedef struct _ICA_KEY_RSA_MODEXPO
{   unsigned int  keyType;             /* RSA key type.               */
    unsigned int  keyLength;           /* Total length of the token.  */
    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
                                       /* -- Start of the data length.*/
    unsigned int  nLength;             /* Modulus n = p * q           */
    unsigned int  expLength;           /* exponent (public or private)*/
                                       /*   e = 1/d * mod(p-1)(q-1)   */
                                       /* -- Start of the data offsets*/
    unsigned int  nOffset;             /* Modulus n .                 */
    unsigned int  expOffset;           /* exponent (public or private)*/
    unsigned char reserved[112];       /* reserved area               */
                                       /* -- Start of the variable -- */
                                       /* -- length token data.    -- */
    ICA_KEY_RSA_MODEXPO_REC keyRecord;
} ICA_KEY_RSA_MODEXPO;
#define SZ_HEADER_MODEXPO (sizeof(ICA_KEY_RSA_MODEXPO) - sizeof(ICA_KEY_RSA_MODEXPO_REC))

/*
 * NOTE:  All the fields in the ICA_KEY_RSA_CRT structure
 *        (lengths, offsets, exponents, modulus, etc.) are
 *        stored in big-endian format
 */

00095 typedef struct _ICA_KEY_RSA_CRT
{   unsigned int  keyType;             /* RSA key type.               */
    unsigned int  keyLength;           /* Total length of the token.  */
    unsigned int  modulusBitLength;    /* Modulus n bit length.       */
                                       /* -- Start of the data length.*/
#if _AIX
    unsigned int  nLength;             /* Modulus n = p * q           */
#endif
    unsigned int  pLength;             /* Prime number p .            */
    unsigned int  qLength;             /* Prime number q .            */
    unsigned int  dpLength;            /* dp = d * mod(p-1) .         */
    unsigned int  dqLength;            /* dq = d * mod(q-1) .         */
    unsigned int  qInvLength;          /* PKCS: qInv = Ap/q           */
                                       /* -- Start of the data offsets*/
#if _AIX
    unsigned int  nOffset;             /* Modulus n .                 */
#endif
    unsigned int  pOffset;             /* Prime number p .            */
    unsigned int  qOffset;             /* Prime number q .            */
    unsigned int  dpOffset;            /* dp .                        */
    unsigned int  dqOffset;            /* dq .                        */
    unsigned int  qInvOffset;          /* qInv for PKCS               */
#if _AIX
    unsigned char reserved[80];        /* reserved area               */
#else
    unsigned char reserved[88];        /* reserved area               */
#endif
                                       /* -- Start of the variable -- */
                                       /* -- length token data.    -- */
    ICA_KEY_RSA_CRT_REC keyRecord;
} ICA_KEY_RSA_CRT;
#define SZ_HEADER_CRT (sizeof(ICA_KEY_RSA_CRT) - sizeof(ICA_KEY_RSA_CRT_REC))

unsigned int
icaOpenAdapter( unsigned int        adapterId,
              ICA_ADAPTER_HANDLE *pAdapterHandle );

unsigned int
icaCloseAdapter( ICA_ADAPTER_HANDLE adapterHandle );

unsigned int
icaRsaModExpo( ICA_ADAPTER_HANDLE    hAdapterHandle,
             unsigned int          inputDataLength,
             unsigned char        *pInputData,
             ICA_KEY_RSA_MODEXPO  *pKeyModExpo,
             unsigned int         *pOutputDataLength,
             unsigned char        *pOutputData );

unsigned int
icaRsaCrt( ICA_ADAPTER_HANDLE     hAdapterHandle,
         unsigned int           inputDataLength,
         unsigned char         *pInputData,
         ICA_KEY_RSA_CRT       *pKeyCrt,
         unsigned int          *pOutputDataLength,
         unsigned char         *pOutputData );

unsigned int
icaRandomNumberGenerate( ICA_ADAPTER_HANDLE  hAdapterHandle,
                   unsigned int        outputDataLength,
                   unsigned char      *pOutputData );

/* Specific macros and definitions to not have IFDEF;s all over the
   main code */

#if (_AIX)
static const char *IBMCA_LIBNAME = "/lib/libica.a(shr.o)";
#elif (WIN32)
static const char *IBMCA_LIBNAME = "cryptica";
#else
static const char *IBMCA_LIBNAME = "ica";
#endif

#if (WIN32)
/*
 The ICA_KEY_RSA_MODEXPO & ICA_KEY_RSA_CRT lengths and
 offsets must be in big-endian format.

*/
#define CORRECT_ENDIANNESS(b) (  \
                             (((unsigned long) (b) & 0x000000ff) << 24) |  \
                             (((unsigned long) (b) & 0x0000ff00) <<  8) |  \
                             (((unsigned long) (b) & 0x00ff0000) >>  8) |  \
                             (((unsigned long) (b) & 0xff000000) >> 24)    \
                             )
#define CRT_KEY_TYPE   RSA_PKCS_PRIVATE_CHINESE_REMAINDER
#define ME_KEY_TYPE    RSA_PUBLIC_MODULUS_EXPONENT
#else
#define CORRECT_ENDIANNESS(b) (b)
#define CRT_KEY_TYPE       KEYTYPE_PKCSCRT
#define ME_KEY_TYPE        KEYTYPE_MODEXPO
#endif



#endif   /* __ICA_OPENSSL_API_H__ */

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