]> WPIA git - cassiopeia.git/blobdiff - lib/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
upd: openssl to 1.1.0
[cassiopeia.git] / lib / openssl / demos / engines / cluster_labs / hw_cluster_labs.c
diff --git a/lib/openssl/demos/engines/cluster_labs/hw_cluster_labs.c b/lib/openssl/demos/engines/cluster_labs/hw_cluster_labs.c
deleted file mode 100644 (file)
index 036f48b..0000000
+++ /dev/null
@@ -1,721 +0,0 @@
-/* crypto/engine/hw_cluster_labs.c */
-/* Written by Jan Tschirschwitz (jan.tschirschwitz@cluster-labs.com
- * for the OpenSSL project 2000.
- */
-/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#define MSC_VER   /* only used cryptic.h */
-
-#include <stdio.h>
-#include <openssl/crypto.h>
-#include <openssl/dso.h>
-#include <openssl/des.h>
-#include <openssl/engine.h>
-
-#ifndef NO_HW
-#ifndef NO_HW_CLUSTER_LABS
-
-#ifdef FLAT_INC
-#include "cluster_labs.h"
-#else
-#include "vendor_defns/cluster_labs.h"
-#endif
-
-#define CL_LIB_NAME "cluster_labs engine"
-#include "hw_cluster_labs_err.c"
-
-
-static int cluster_labs_destroy(ENGINE *e);
-static int cluster_labs_init(ENGINE *e);
-static int cluster_labs_finish(ENGINE *e);
-static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)());
-
-
-/* BIGNUM stuff */
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-               const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-               
-/* RSA stuff */
-#ifndef OPENSSL_NO_RSA
-static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
-            unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
-            unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
-               unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
-               unsigned char *to, RSA *rsa, int padding);
-static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
-#endif
-
-/* DSA stuff */
-#ifndef OPENSSL_NO_DSA
-static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
-static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
-                               DSA_SIG *sig, DSA *dsa);
-static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
-               BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
-               BN_CTX *ctx, BN_MONT_CTX *in_mont);
-static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-               const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-               BN_MONT_CTX *m_ctx);
-#endif
-                                                               
-/* DH stuff */
-#ifndef OPENSSL_NO_DH
-/* This function is alised to mod_exp (with the DH and mont dropped). */
-static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 
-               const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
-#endif
-               
-/* RANDOM stuff */                                             
-static int cluster_labs_rand_bytes(unsigned char *buf, int num);
-
-/* The definitions for control commands specific to this engine */
-#define CLUSTER_LABS_CMD_SO_PATH               ENGINE_CMD_BASE
-static const ENGINE_CMD_DEFN cluster_labs_cmd_defns[] =
-       {
-       { CLUSTER_LABS_CMD_SO_PATH,
-         "SO_PATH",
-         "Specifies the path to the 'cluster labs' shared library",
-         ENGINE_CMD_FLAG_STRING
-       },
-       {0, NULL, NULL, 0}
-       };
-
-/* Our internal RSA_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_RSA
-static RSA_METHOD cluster_labs_rsa =
-       {
-       "Cluster Labs RSA method",
-       cluster_labs_rsa_pub_enc,       /* rsa_pub_enc */
-       cluster_labs_rsa_pub_dec,       /* rsa_pub_dec */
-       cluster_labs_rsa_priv_enc,      /* rsa_priv_enc */
-       cluster_labs_rsa_priv_dec,      /* rsa_priv_dec */
-       cluster_labs_rsa_mod_exp,       /* rsa_mod_exp */
-       cluster_labs_mod_exp_mont,      /* bn_mod_exp */
-       NULL,                           /* init */
-       NULL,                           /* finish */
-       0,                              /* flags */
-       NULL,                           /* apps_data */
-       NULL,                           /* rsa_sign */
-       NULL                            /* rsa_verify */
-       };
-#endif
-
-/* Our internal DSA_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_DSA
-static DSA_METHOD cluster_labs_dsa =
-       {
-       "Cluster Labs DSA method",
-       cluster_labs_dsa_sign,          /* dsa_do_sign */
-       NULL,                           /* dsa_sign_setup */
-       cluster_labs_dsa_verify,        /* dsa_do_verify */
-       cluster_labs_dsa_mod_exp,       /* dsa_mod_exp */
-       cluster_labs_mod_exp_dsa,       /* bn_mod_exp */
-       NULL,                           /* init */
-       NULL,                           /* finish */
-       0,                              /* flags */
-       NULL                            /* app_data */
-       };
-#endif 
-
-/* Our internal DH_METHOD that we provide pointers to */
-#ifndef OPENSSL_NO_DH
-static DH_METHOD cluster_labs_dh =
-       {
-       "Cluster Labs DH method",
-       NULL,                           /* generate key */
-       NULL,                           /* compute key */
-       cluster_labs_mod_exp_dh,        /* bn_mod_exp */
-       NULL,                           /* init */
-       NULL,                           /* finish */
-       0,                              /* flags */
-       NULL                            /* app_data */
-       };
-#endif 
-       
-static RAND_METHOD cluster_labs_rand =
-       {
-       /* "Cluster Labs RAND method", */
-       NULL,                           /* seed */
-       cluster_labs_rand_bytes,        /* bytes */
-       NULL,                           /* cleanup */
-       NULL,                           /* add */
-       cluster_labs_rand_bytes,        /* pseudorand */
-       NULL,                           /* status */
-       };      
-
-static const char *engine_cluster_labs_id = "cluster_labs";
-static const char *engine_cluster_labs_name = "Cluster Labs hardware engine support";
-
-/* engine implementation */
-/*-----------------------*/
-static int bind_helper(ENGINE *e)
-       {
-       
-       if(!ENGINE_set_id(e, engine_cluster_labs_id) ||
-                       !ENGINE_set_name(e, engine_cluster_labs_name) ||
-#ifndef OPENSSL_NO_RSA
-                       !ENGINE_set_RSA(e, &cluster_labs_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DSA
-                       !ENGINE_set_DSA(e, &cluster_labs_dsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
-                       !ENGINE_set_DH(e, &cluster_labs_dh) ||
-#endif
-                       !ENGINE_set_RAND(e, &cluster_labs_rand) ||
-                       !ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
-                       !ENGINE_set_init_function(e, cluster_labs_init) ||
-                       !ENGINE_set_finish_function(e, cluster_labs_finish) ||
-                       !ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
-                       !ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
-               return 0;
-       /* Ensure the error handling is set up */
-       ERR_load_CL_strings();
-       return 1;
-       }
-       
-#ifndef ENGINE_DYNAMIC_SUPPORT
-static ENGINE *engine_cluster_labs(void)
-       {
-       ENGINE *ret = ENGINE_new();
-
-       if(!ret)
-               return NULL;
-       if(!bind_helper(ret))
-               {
-               ENGINE_free(ret);
-               return NULL;
-               }
-       return ret;
-       }
-
-#ifdef ENGINE_DYNAMIC_SUPPORT
-static
-#endif
-void ENGINE_load_cluster_labs(void)
-       {
-
-       ENGINE *cluster_labs = engine_cluster_labs();
-       
-       if(!cluster_labs) return;
-       ENGINE_add(cluster_labs);
-       ENGINE_free(cluster_labs);
-       ERR_clear_error();
-       }
-#endif /* !ENGINE_DYNAMIC_SUPPORT */
-
-static int cluster_labs_destroy(ENGINE *e)
-       {
-       
-       ERR_unload_CL_strings();
-       return 1;
-       }
-
-
-
-/* This is a process-global DSO handle used for loading and unloading
- * the Cluster Labs library. NB: This is only set (or unset) during an
- * init() or finish() call (reference counts permitting) and they're
- * operating with global locks, so this should be thread-safe
- * implicitly. */
-static DSO *cluster_labs_dso = NULL;
-
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
-static cl_engine_init          *p_cl_engine_init                = NULL;
-static cl_mod_exp              *p_cl_mod_exp                    = NULL;
-static cl_mod_exp_crt          *p_cl_mod_exp_crt                = NULL;
-static cl_rsa_mod_exp          *p_cl_rsa_mod_exp                = NULL;
-static cl_rsa_priv_enc         *p_cl_rsa_priv_enc               = NULL;
-static cl_rsa_priv_dec         *p_cl_rsa_priv_dec               = NULL;
-static cl_rsa_pub_enc          *p_cl_rsa_pub_enc                = NULL;
-static cl_rsa_pub_dec          *p_cl_rsa_pub_dec                = NULL;
-static cl_rand_bytes           *p_cl_rand_bytes                 = NULL;
-static cl_dsa_sign             *p_cl_dsa_sign                   = NULL;
-static cl_dsa_verify           *p_cl_dsa_verify                 = NULL;
-
-
-int cluster_labs_init(ENGINE *e)
-       {
-
-       cl_engine_init                  *p1;
-       cl_mod_exp                      *p2;
-       cl_mod_exp_crt                  *p3;
-       cl_rsa_mod_exp                  *p4;
-       cl_rsa_priv_enc                 *p5;
-       cl_rsa_priv_dec                 *p6;    
-       cl_rsa_pub_enc                  *p7;
-       cl_rsa_pub_dec                  *p8;
-       cl_rand_bytes                   *p20;
-       cl_dsa_sign                     *p30;   
-       cl_dsa_verify                   *p31;           
-       
-       /* engine already loaded */
-       if(cluster_labs_dso != NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_ALREADY_LOADED);
-               goto err;
-               }
-       /* try to load engine    */     
-       cluster_labs_dso = DSO_load(NULL, CLUSTER_LABS_LIB_NAME, NULL,0);
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
-               goto err;
-               }
-       /* bind functions */
-       if(     !(p1 = (cl_engine_init *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F1)) ||
-               !(p2 = (cl_mod_exp *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F2)) ||                  
-               !(p3 = (cl_mod_exp_crt *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F3)) ||                          
-               !(p4 = (cl_rsa_mod_exp *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F4)) ||                          
-               !(p5 = (cl_rsa_priv_enc *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F5)) ||
-               !(p6 = (cl_rsa_priv_dec *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F6)) ||
-               !(p7 = (cl_rsa_pub_enc *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F7)) ||
-               !(p8 = (cl_rsa_pub_dec *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F8)) ||
-               !(p20= (cl_rand_bytes *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F20)) ||
-               !(p30= (cl_dsa_sign *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F30)) ||
-               !(p31= (cl_dsa_verify *)DSO_bind_func(
-                               cluster_labs_dso, CLUSTER_LABS_F31)))
-               {
-               CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_DSO_FAILURE);
-               goto err;
-               }
-               
-       /* copy function pointers */
-       p_cl_engine_init                = p1;
-       p_cl_mod_exp                    = p2;
-       p_cl_mod_exp_crt                = p3;   
-       p_cl_rsa_mod_exp                = p4;
-       p_cl_rsa_priv_enc               = p5;
-       p_cl_rsa_priv_dec               = p6;
-       p_cl_rsa_pub_enc                = p7;
-       p_cl_rsa_pub_dec                = p8;
-       p_cl_rand_bytes                 = p20;  
-       p_cl_dsa_sign                   = p30;
-       p_cl_dsa_verify                 = p31;  
-       
-       
-       
-       /* cluster labs engine init */
-       if(p_cl_engine_init()== 0){
-               CLerr(CL_F_CLUSTER_LABS_INIT,CL_R_INIT_FAILED);         
-               goto err;
-       }
-
-       return(1);
-
-err:   
-       /* reset all pointers */
-       if(cluster_labs_dso)
-               DSO_free(cluster_labs_dso);
-
-       cluster_labs_dso                = NULL;
-       p_cl_engine_init                = NULL; 
-       p_cl_mod_exp                    = NULL;
-       p_cl_mod_exp_crt                = NULL;
-       p_cl_rsa_mod_exp                = NULL;
-       p_cl_rsa_priv_enc               = NULL;
-       p_cl_rsa_priv_dec               = NULL; 
-       p_cl_rsa_pub_enc                = NULL;
-       p_cl_rsa_pub_dec                = NULL; 
-       p_cl_rand_bytes                 = NULL; 
-       p_cl_dsa_sign                   = NULL;
-       p_cl_dsa_verify                 = NULL; 
-       
-       return(0);
-       }
-       
-
-static int cluster_labs_finish(ENGINE *e)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_NOT_LOADED);
-               return 0;
-               }
-       if(!DSO_free(cluster_labs_dso))
-               {
-               CLerr(CL_F_CLUSTER_LABS_FINISH,CL_R_DSO_FAILURE);
-               return 0;
-               }
-               
-       cluster_labs_dso                = NULL;
-       p_cl_engine_init                = NULL;         
-       p_cl_mod_exp                    = NULL;
-       p_cl_rsa_mod_exp                = NULL; 
-       p_cl_mod_exp_crt                = NULL; 
-       p_cl_rsa_priv_enc               = NULL; 
-       p_cl_rsa_priv_dec               = NULL; 
-       p_cl_rsa_pub_enc                = NULL;
-       p_cl_rsa_pub_dec                = NULL; 
-       p_cl_rand_bytes                 = NULL;         
-       p_cl_dsa_sign                   = NULL;
-       p_cl_dsa_verify                 = NULL; 
-       
-       return(1);      
-       
-       }
-       
-static int cluster_labs_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
-       {
-       int initialised = ((cluster_labs_dso == NULL) ? 0 : 1);
-
-       switch(cmd)
-               {
-       case CLUSTER_LABS_CMD_SO_PATH:
-               if(p == NULL)
-                       {
-                       CLerr(CL_F_CLUSTER_LABS_CTRL,ERR_R_PASSED_NULL_PARAMETER);
-                       return 0;
-                       }
-               if(initialised)
-                       {
-                       CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_ALREADY_LOADED);
-                       return 0;
-                       }
-               CLUSTER_LABS_LIB_NAME = (const char *)p;
-               return 1;
-       default:
-               break;
-               }
-       CLerr(CL_F_CLUSTER_LABS_CTRL,CL_R_COMMAND_NOT_IMPLEMENTED);
-       return 0;
-       }
-       
-
-static int cluster_labs_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-               const BIGNUM *m, BN_CTX *ctx)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_NOT_LOADED);
-               return 0;
-               }       
-       if(p_cl_mod_exp == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);
-               return 0;
-               }
-
-       return  p_cl_mod_exp(r, a, p, m, ctx);
-
-       }
-       
-static int cluster_labs_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
-               const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
-               const BIGNUM *iqmp, BN_CTX *ctx)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_NOT_LOADED);           
-               return 0;
-               }
-       if(p_cl_mod_exp_crt == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_MOD_EXP_CRT,CL_R_FUNCTION_NOT_BINDED);          
-               return 0;
-               }
-       
-       return  p_cl_mod_exp_crt(r, a, p, q,dmp1, dmq1, iqmp, ctx);
-       
-       }
-       
-static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_NOT_LOADED);           
-               return 0;
-               }
-       if(p_cl_rsa_mod_exp == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_MOD_EXP,CL_R_FUNCTION_NOT_BINDED);                          
-               return 0;
-               }
-
-       return p_cl_rsa_mod_exp(r0, I, rsa);
-
-       }
-       
-static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_NOT_LOADED);              
-               return 0;
-               }
-       if(p_cl_dsa_sign == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_DSA_SIGN,CL_R_FUNCTION_NOT_BINDED);                             
-               return 0;
-               }
-
-       return p_cl_dsa_sign(dgst, dlen, dsa);
-       
-       }
-       
-static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
-                               DSA_SIG *sig, DSA *dsa)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_NOT_LOADED);            
-               return 0;
-               }
-       
-       if(p_cl_dsa_verify == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_DSA_VERIFY,CL_R_FUNCTION_NOT_BINDED);                           
-               return 0;
-               }
-
-       return p_cl_dsa_verify(dgst, dgst_len, sig, dsa);
-       
-       }                       
-
-static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
-               BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
-               BN_CTX *ctx, BN_MONT_CTX *in_mont)
-       {
-       BIGNUM t;
-       int status = 0;
-               
-       BN_init(&t);
-       /* let rr = a1 ^ p1 mod m */
-       if (!cluster_labs_mod_exp(rr,a1,p1,m,ctx)) goto end;
-       /* let t = a2 ^ p2 mod m */
-       if (!cluster_labs_mod_exp(&t,a2,p2,m,ctx)) goto end;
-       /* let rr = rr * t mod m */
-       if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
-       status = 1;
-end:
-       BN_free(&t);
-       
-       return(1);
-
-       }
-
-static int cluster_labs_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
-               const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
-               BN_MONT_CTX *m_ctx)
-       {
-       return  cluster_labs_mod_exp(r, a, p, m, ctx);
-       }
-       
-/* This function is aliased to mod_exp (with the mont stuff dropped). */
-static int cluster_labs_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-               const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-       {
-       return  cluster_labs_mod_exp(r, a, p, m, ctx);
-       }
-       
-
-/* This function is aliased to mod_exp (with the dh and mont dropped). */
-static int cluster_labs_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
-               const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
-       {
-       return  cluster_labs_mod_exp(r, a, p, m, ctx);
-       }
-
-
-static int cluster_labs_rsa_pub_enc(int flen, const unsigned char *from,
-            unsigned char *to, RSA *rsa, int padding)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_NOT_LOADED);           
-               return 0;
-               }
-       if(p_cl_rsa_priv_enc == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PUB_ENC,CL_R_FUNCTION_NOT_BINDED);                          
-               return 0;
-               }
-               
-       return  p_cl_rsa_pub_enc(flen, from, to, rsa, padding);
-       
-       }  
-            
-static int cluster_labs_rsa_pub_dec(int flen, const unsigned char *from,
-            unsigned char *to, RSA *rsa, int padding)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_NOT_LOADED);           
-               return 0;
-               }
-       if(p_cl_rsa_priv_enc == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PUB_DEC,CL_R_FUNCTION_NOT_BINDED);                          
-               return 0;
-               }
-               
-       return  p_cl_rsa_pub_dec(flen, from, to, rsa, padding);
-       
-       }  
-
-
-static int cluster_labs_rsa_priv_enc(int flen, const unsigned char *from, 
-               unsigned char *to, RSA *rsa, int padding)
-       {
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_NOT_LOADED);          
-               return 0;
-               }
-
-       if(p_cl_rsa_priv_enc == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_ENC,CL_R_FUNCTION_NOT_BINDED);                         
-               return 0;
-               }
-               
-       return  p_cl_rsa_priv_enc(flen, from, to, rsa, padding);
-       
-       }  
-
-static int cluster_labs_rsa_priv_dec(int flen, const unsigned char *from, 
-               unsigned char *to, RSA *rsa, int padding)
-       {
-       
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_NOT_LOADED);          
-               return 0;
-               }
-       if(p_cl_rsa_priv_dec == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RSA_PRIV_DEC,CL_R_FUNCTION_NOT_BINDED);                         
-               return 0;
-               }
-
-       return  p_cl_rsa_priv_dec(flen, from, to, rsa, padding);
-               
-       }  
-
-/************************************************************************************
-* Symmetric algorithms
-************************************************************************************/
-/* this will be come soon! */
-
-/************************************************************************************
-* Random generator
-************************************************************************************/
-
-static int cluster_labs_rand_bytes(unsigned char *buf, int num){
-
-       if(cluster_labs_dso == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_NOT_LOADED);            
-               return 0;
-               }
-       if(p_cl_mod_exp_crt == NULL)
-               {
-               CLerr(CL_F_CLUSTER_LABS_RAND_BYTES,CL_R_FUNCTION_NOT_BINDED);                           
-               return 0;
-               }
-
-       return  p_cl_rand_bytes(buf, num);
-
-}
-
-
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library. */
-#ifdef ENGINE_DYNAMIC_SUPPORT
-static int bind_fn(ENGINE *e, const char *id)
-       {
-       fprintf(stderr, "bind_fn CLUSTER_LABS\n");
-       if(id && (strcmp(id, engine_cluster_labs_id) != 0)) {
-               fprintf(stderr, "bind_fn return(0) first\n");
-               return 0;
-               }
-       if(!bind_helper(e)) {
-               fprintf(stderr, "bind_fn return(1) first\n");
-               return 0;
-               }
-       fprintf(stderr, "bind_fn return(1)\n");         
-       return 1;
-       }
-IMPLEMENT_DYNAMIC_CHECK_FN()
-IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
-#endif /* ENGINE_DYNAMIC_SUPPORT */
-                                               
-#endif /* !NO_HW_CLUSTER_LABS */
-#endif /* !NO_HW */
-