示例#1
0
文件: e_ubsec.c 项目: GarikRC/openssl
static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
                            DSA_SIG *sig, DSA *dsa)
{
    int v_len, d_len;
    int to_return = 0;
    int fd;
    BIGNUM v, *pv = &v;

    BN_init(&v);

    if (!bn_wexpand(pv, dsa->p->top)) {
        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_BN_EXPAND_FAIL);
        goto err;
    }

    v_len = BN_num_bits(dsa->p);

    d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);

    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
        const DSA_METHOD *meth;
        fd = 0;
        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_UNIT_FAILURE);
        meth = DSA_OpenSSL();
        to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
        goto err;
    }

    if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */
                                 (unsigned char *)dgst, d_len,
                                 (unsigned char *)dsa->p->d,
                                 BN_num_bits(dsa->p),
                                 (unsigned char *)dsa->q->d,
                                 BN_num_bits(dsa->q),
                                 (unsigned char *)dsa->g->d,
                                 BN_num_bits(dsa->g),
                                 (unsigned char *)dsa->pub_key->d,
                                 BN_num_bits(dsa->pub_key),
                                 (unsigned char *)sig->r->d,
                                 BN_num_bits(sig->r),
                                 (unsigned char *)sig->s->d,
                                 BN_num_bits(sig->s), (unsigned char *)v.d,
                                 &v_len) != 0) {
        const DSA_METHOD *meth;
        UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY, UBSEC_R_REQUEST_FAILED);
        p_UBSEC_ubsec_close(fd);

        meth = DSA_OpenSSL();
        to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);

        goto err;
    }

    p_UBSEC_ubsec_close(fd);

    to_return = 1;
 err:
    BN_clear_free(&v);
    return to_return;
}
示例#2
0
static int ubsec_finish(ENGINE *e)
	{
	free_UBSEC_LIBNAME();
	if(ubsec_dso == NULL)
		{
		UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
		return 0;
		}
	if(!DSO_free(ubsec_dso))
		{
		UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
		return 0;
		}
	ubsec_dso = NULL;
	p_UBSEC_ubsec_bytes_to_bits = NULL;
	p_UBSEC_ubsec_bits_to_bytes = NULL;
	p_UBSEC_ubsec_open = NULL;
	p_UBSEC_ubsec_close = NULL;
#ifndef OPENSSL_NO_DH
	p_UBSEC_diffie_hellman_generate_ioctl = NULL;
	p_UBSEC_diffie_hellman_agree_ioctl = NULL;
#endif
#ifndef OPENSSL_NO_RSA
	p_UBSEC_rsa_mod_exp_ioctl = NULL;
	p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
#endif
#ifndef OPENSSL_NO_DSA
	p_UBSEC_dsa_sign_ioctl = NULL;
	p_UBSEC_dsa_verify_ioctl = NULL;
#endif
	p_UBSEC_math_accelerate_ioctl = NULL;
	p_UBSEC_rng_ioctl = NULL;
        p_UBSEC_max_key_len_ioctl = NULL;
	return 1;
	}
示例#3
0
static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
		const BIGNUM *m, BN_CTX *ctx)
	{
	int 	y_len = 0;
	int 	fd;

	if(ubsec_dso == NULL)
	{
		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED);
		return 0;
	}

	/* Check if hardware can't handle this argument. */
	y_len = BN_num_bits(m);
	if (y_len > max_key_len) {
		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
                return BN_mod_exp(r, a, p, m, ctx);
	} 

	if(!bn_wexpand(r, m->top))
	{
		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
		return 0;
	}

	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
		fd = 0;
		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_UNIT_FAILURE);
                return BN_mod_exp(r, a, p, m, ctx);
	}

	if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a),
		(unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d, 
		BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0)
	{
		UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
                p_UBSEC_ubsec_close(fd);

                return BN_mod_exp(r, a, p, m, ctx);
	}

	p_UBSEC_ubsec_close(fd);

	r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
	return 1;
	}
示例#4
0
文件: e_ubsec.c 项目: GarikRC/openssl
static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
                             const BIGNUM *q, const BIGNUM *dp,
                             const BIGNUM *dq, const BIGNUM *qinv,
                             BN_CTX *ctx)
{
    int y_len, fd;

    y_len = BN_num_bits(p) + BN_num_bits(q);

    /* Check if hardware can't handle this argument. */
    if (y_len > max_key_len) {
        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT,
                 UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
        return FAIL_TO_SOFTWARE;
    }

    if (!bn_wexpand(r, p->top + q->top + 1)) {
        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
        return 0;
    }

    if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
        fd = 0;
        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_UNIT_FAILURE);
        return FAIL_TO_SOFTWARE;
    }

    if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
                                      (unsigned char *)a->d, BN_num_bits(a),
                                      (unsigned char *)qinv->d,
                                      BN_num_bits(qinv),
                                      (unsigned char *)dp->d, BN_num_bits(dp),
                                      (unsigned char *)p->d, BN_num_bits(p),
                                      (unsigned char *)dq->d, BN_num_bits(dq),
                                      (unsigned char *)q->d, BN_num_bits(q),
                                      (unsigned char *)r->d, &y_len) != 0) {
        UBSECerr(UBSEC_F_UBSEC_MOD_EXP_CRT, UBSEC_R_REQUEST_FAILED);
        p_UBSEC_ubsec_close(fd);
        return FAIL_TO_SOFTWARE;
    }

    p_UBSEC_ubsec_close(fd);

    r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1) / BN_BITS2;
    return 1;
}
示例#5
0
static int ubsec_rand_bytes(unsigned char * buf,
                            int num)
        {
        int      ret      = 0,
                 fd;

        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
                {
                const RAND_METHOD *meth;
                UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_UNIT_FAILURE);
                num = p_UBSEC_ubsec_bits_to_bytes(num);
                meth = RAND_SSLeay();
                meth->seed(buf, num);
                ret = meth->bytes(buf, num);
                goto err;
                }

        num *= 8; /* bytes to bits */

        if (p_UBSEC_rng_ioctl(fd,
                              UBSEC_RNG_DIRECT,
                              buf,
                              &num) != 0)
                {
                /* Hardware's a no go, failover to software */
                const RAND_METHOD *meth;

                UBSECerr(UBSEC_F_UBSEC_RAND_BYTES, UBSEC_R_REQUEST_FAILED);
                p_UBSEC_ubsec_close(fd);

                num = p_UBSEC_ubsec_bits_to_bytes(num);
                meth = RAND_SSLeay();
                meth->seed(buf, num);
                ret = meth->bytes(buf, num);

                goto err;
                }

        p_UBSEC_ubsec_close(fd);

        ret = 1;
err:
        return(ret);
        }
示例#6
0
文件: e_ubsec.c 项目: GarikRC/openssl
static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
{
    int initialised = ((ubsec_dso == NULL) ? 0 : 1);
    switch (cmd) {
    case UBSEC_CMD_SO_PATH:
        if (p == NULL) {
            UBSECerr(UBSEC_F_UBSEC_CTRL, ERR_R_PASSED_NULL_PARAMETER);
            return 0;
        }
        if (initialised) {
            UBSECerr(UBSEC_F_UBSEC_CTRL, UBSEC_R_ALREADY_LOADED);
            return 0;
        }
        return set_UBSEC_LIBNAME((const char *)p);
    default:
        break;
    }
    UBSECerr(UBSEC_F_UBSEC_CTRL, UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
    return 0;
}
示例#7
0
static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh)
        {
        int      ret      = -1,
                 k_len,
                 fd;

        k_len = BN_num_bits(dh->p);

        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
                {
                const DH_METHOD *meth;
                UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_UNIT_FAILURE);
                meth = DH_OpenSSL();
                ret = meth->compute_key(key, pub_key, dh);
                goto err;
                }

        if (p_UBSEC_diffie_hellman_agree_ioctl(fd,
                                               (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key),
                                               (unsigned char *)pub_key->d, BN_num_bits(pub_key),
                                               (unsigned char *)dh->p->d, BN_num_bits(dh->p),
                                               key, &k_len) != 0)
                {
                /* Hardware's a no go, failover to software */
                const DH_METHOD *meth;
                UBSECerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED);
                p_UBSEC_ubsec_close(fd);

                meth = DH_OpenSSL();
                ret = meth->compute_key(key, pub_key, dh);

                goto err;
                }

        p_UBSEC_ubsec_close(fd);

        ret = p_UBSEC_ubsec_bits_to_bytes(k_len);
err:
        return ret;
        }
示例#8
0
文件: e_ubsec.c 项目: GarikRC/openssl
static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa,
                             BN_CTX *ctx)
{
    int to_return = 0;

    if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
        UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
        goto err;
    }

    to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
                                  rsa->dmq1, rsa->iqmp, ctx);
    if (to_return == FAIL_TO_SOFTWARE) {
        /*
         * Do in software as hardware failed.
         */
        const RSA_METHOD *meth = RSA_PKCS1_OpenSSL();
        to_return = (*meth->rsa_mod_exp) (r0, I, rsa, ctx);
    }
 err:
    return to_return;
}
示例#9
0
static int ubsec_dh_generate_key(DH *dh)
        {
        int      ret               = 0,
                 random_bits       = 0,
                 pub_key_len       = 0,
                 priv_key_len      = 0,
                 fd;
        BIGNUM   *pub_key          = NULL;
        BIGNUM   *priv_key         = NULL;

        /* 
         *  How many bits should Random x be? dh_key.c
         *  sets the range from 0 to num_bits(modulus) ???
         */

        if (dh->priv_key == NULL)
                {
                priv_key = BN_new();
                if (priv_key == NULL) goto err;
                priv_key_len = BN_num_bits(dh->p);
                if(bn_wexpand(priv_key, dh->p->top) == NULL) goto err;
                do
                        if (!BN_rand_range(priv_key, dh->p)) goto err;
                while (BN_is_zero(priv_key));
                random_bits = BN_num_bits(priv_key);
                }
        else
                {
                priv_key = dh->priv_key;
                }

        if (dh->pub_key == NULL)
                {
                pub_key = BN_new();
                pub_key_len = BN_num_bits(dh->p);
                if(bn_wexpand(pub_key, dh->p->top) == NULL) goto err;
                if(pub_key == NULL) goto err;
                }
        else
                {
                pub_key = dh->pub_key;
                }

        if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
                {
                const DH_METHOD *meth;
                UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_UNIT_FAILURE);
                meth = DH_OpenSSL();
                ret = meth->generate_key(dh);
                goto err;
                }

        if (p_UBSEC_diffie_hellman_generate_ioctl(fd,
                                                  (unsigned char *)priv_key->d, &priv_key_len,
                                                  (unsigned char *)pub_key->d,  &pub_key_len,
                                                  (unsigned char *)dh->g->d, BN_num_bits(dh->g),
                                                  (unsigned char *)dh->p->d, BN_num_bits(dh->p),
                                                  0, 0, random_bits) != 0)
                {
                /* Hardware's a no go, failover to software */
                const DH_METHOD *meth;

                UBSECerr(UBSEC_F_UBSEC_DH_GENERATE_KEY, UBSEC_R_REQUEST_FAILED);
                p_UBSEC_ubsec_close(fd);

                meth = DH_OpenSSL();
                ret = meth->generate_key(dh);

                goto err;
                }

        p_UBSEC_ubsec_close(fd);

        dh->pub_key = pub_key;
        dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2;
        dh->priv_key = priv_key;
        dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2;

        ret = 1;
err:
        return ret;
        }
示例#10
0
static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa)
	{
	DSA_SIG *to_return = NULL;
	int s_len = 160, r_len = 160, d_len, fd;
	BIGNUM m, *r=NULL, *s=NULL;

	BN_init(&m);

	s = BN_new();
	r = BN_new();
	if ((s == NULL) || (r==NULL))
		goto err;

	d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen);

        if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
       	   (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
		goto err;
	}

	if (BN_bin2bn(dgst,dlen,&m) == NULL) {
		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
		goto err;
	} 

	if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
                const DSA_METHOD *meth;
		fd = 0;
		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_UNIT_FAILURE);
                meth = DSA_OpenSSL();
                to_return =  meth->dsa_do_sign(dgst, dlen, dsa);
		goto err;
	}

	if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */
		(unsigned char *)dgst, d_len,
		NULL, 0,  /* compute random value */
		(unsigned char *)dsa->p->d, BN_num_bits(dsa->p), 
		(unsigned char *)dsa->q->d, BN_num_bits(dsa->q),
		(unsigned char *)dsa->g->d, BN_num_bits(dsa->g),
		(unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
		(unsigned char *)r->d, &r_len,
		(unsigned char *)s->d, &s_len ) != 0) {
                const DSA_METHOD *meth;

		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_REQUEST_FAILED);
                p_UBSEC_ubsec_close(fd);
                meth = DSA_OpenSSL();
                to_return = meth->dsa_do_sign(dgst, dlen, dsa);

		goto err;
	}

	p_UBSEC_ubsec_close(fd);

	r->top = (160+BN_BITS2-1)/BN_BITS2;
	s->top = (160+BN_BITS2-1)/BN_BITS2;

	to_return = DSA_SIG_new();
	if(to_return == NULL) {
		UBSECerr(UBSEC_F_UBSEC_DSA_DO_SIGN, UBSEC_R_BN_EXPAND_FAIL);
		goto err;
	}

	to_return->r = r;
	to_return->s = s;

err:
	if (!to_return) {
		if (r) BN_free(r);
		if (s) BN_free(s);
	}                                 
	BN_clear_free(&m);
	return to_return;
}
示例#11
0
/* (de)initialisation functions. */
static int ubsec_init(ENGINE *e)
	{
	t_UBSEC_ubsec_bytes_to_bits *p1;
	t_UBSEC_ubsec_bits_to_bytes *p2;
	t_UBSEC_ubsec_open *p3;
	t_UBSEC_ubsec_close *p4;
#ifndef OPENSSL_NO_DH
	t_UBSEC_diffie_hellman_generate_ioctl *p5;
	t_UBSEC_diffie_hellman_agree_ioctl *p6;
#endif
/* #ifndef OPENSSL_NO_RSA */
	t_UBSEC_rsa_mod_exp_ioctl *p7;
	t_UBSEC_rsa_mod_exp_crt_ioctl *p8;
/* #endif */
#ifndef OPENSSL_NO_DSA
	t_UBSEC_dsa_sign_ioctl *p9;
	t_UBSEC_dsa_verify_ioctl *p10;
#endif
	t_UBSEC_math_accelerate_ioctl *p11;
	t_UBSEC_rng_ioctl *p12;
        t_UBSEC_max_key_len_ioctl *p13;
	int fd = 0;

	if(ubsec_dso != NULL)
		{
		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
		goto err;
		}
	/* 
	 * Attempt to load libubsec.so/ubsec.dll/whatever. 
	 */
	ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
	if(ubsec_dso == NULL)
		{
		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
		goto err;
		}

	if (
	!(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) ||
	!(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) ||
	!(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) ||
	!(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) ||
#ifndef OPENSSL_NO_DH
	!(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *) 
				DSO_bind_func(ubsec_dso, UBSEC_F5)) ||
	!(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *) 
				DSO_bind_func(ubsec_dso, UBSEC_F6)) ||
#endif
/* #ifndef OPENSSL_NO_RSA */
	!(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) ||
	!(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) ||
/* #endif */
#ifndef OPENSSL_NO_DSA
	!(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) ||
	!(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) ||
#endif
	!(p11 = (t_UBSEC_math_accelerate_ioctl *) 
				DSO_bind_func(ubsec_dso, UBSEC_F11)) ||
	!(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) ||
        !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13)))
		{
		UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
		goto err;
		}

	/* Copy the pointers */
	p_UBSEC_ubsec_bytes_to_bits = p1;
	p_UBSEC_ubsec_bits_to_bytes = p2;
	p_UBSEC_ubsec_open = p3;
	p_UBSEC_ubsec_close = p4;
#ifndef OPENSSL_NO_DH
	p_UBSEC_diffie_hellman_generate_ioctl = p5;
	p_UBSEC_diffie_hellman_agree_ioctl = p6;
#endif
#ifndef OPENSSL_NO_RSA
	p_UBSEC_rsa_mod_exp_ioctl = p7;
	p_UBSEC_rsa_mod_exp_crt_ioctl = p8;
#endif
#ifndef OPENSSL_NO_DSA
	p_UBSEC_dsa_sign_ioctl = p9;
	p_UBSEC_dsa_verify_ioctl = p10;
#endif
	p_UBSEC_math_accelerate_ioctl = p11;
	p_UBSEC_rng_ioctl = p12;
        p_UBSEC_max_key_len_ioctl = p13;

	/* Perform an open to see if there's actually any unit running. */
	if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0))
	{
	   p_UBSEC_ubsec_close(fd);
	   return 1;
	}
	else
	{
	  UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
	}

err:
	if(ubsec_dso)
		DSO_free(ubsec_dso);
	ubsec_dso = NULL;
	p_UBSEC_ubsec_bytes_to_bits = NULL;
	p_UBSEC_ubsec_bits_to_bytes = NULL;
	p_UBSEC_ubsec_open = NULL;
	p_UBSEC_ubsec_close = NULL;
#ifndef OPENSSL_NO_DH
	p_UBSEC_diffie_hellman_generate_ioctl = NULL;
	p_UBSEC_diffie_hellman_agree_ioctl = NULL;
#endif
#ifndef OPENSSL_NO_RSA
	p_UBSEC_rsa_mod_exp_ioctl = NULL;
	p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
#endif
#ifndef OPENSSL_NO_DSA
	p_UBSEC_dsa_sign_ioctl = NULL;
	p_UBSEC_dsa_verify_ioctl = NULL;
#endif
	p_UBSEC_math_accelerate_ioctl = NULL;
	p_UBSEC_rng_ioctl = NULL;
        p_UBSEC_max_key_len_ioctl = NULL;

	return 0;
	}