| /* 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 */ |
| #define BINDIT(t, name) (t *)DSO_bind_func(cluster_labs_dso, name) |
| if ((p1 = (cl_engine_init, CLUSTER_LABS_F1)) == NULL |
| || (p2 = BINDIT(cl_mod_exp, CLUSTER_LABS_F2)) == NULL |
| || (p3 = BINDIT(cl_mod_exp_crt, CLUSTER_LABS_F3)) == NULL |
| || (p4 = BINDIT(cl_rsa_mod_exp, CLUSTER_LABS_F4)) == NULL |
| || (p5 = BINDIT(cl_rsa_priv_enc, CLUSTER_LABS_F5)) == NULL |
| || (p6 = BINDIT(cl_rsa_priv_dec, CLUSTER_LABS_F6)) == NULL |
| || (p7 = BINDIT(cl_rsa_pub_enc, CLUSTER_LABS_F7)) == NULL |
| || (p8 = BINDIT(cl_rsa_pub_dec, CLUSTER_LABS_F8)) == NULL |
| || (p20 = BINDIT(cl_rand_bytes, CLUSTER_LABS_F20)) == NULL |
| || (p30 = BINDIT(cl_dsa_sign, CLUSTER_LABS_F30)) == NULL |
| || (p31 = BINDIT(cl_dsa_verify, CLUSTER_LABS_F31)) == NULL) { |
| 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 */ |
| 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 */ |
