--- /dev/null
+/* crypto/engine/hw_ubsec.c */
+/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
+ * project 2000.
+ *
+ * Cloned shamelessly by Joe Tardo.
+ */
+/* ====================================================================
+ * Copyright (c) 1999-2001 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).
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include <openssl/dso.h>
+#include <openssl/engine.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+#include <openssl/bn.h>
+
+#ifndef OPENSSL_NO_HW
+#ifndef OPENSSL_NO_HW_UBSEC
+
+#ifdef FLAT_INC
+#include "hw_ubsec.h"
+#else
+#include "vendor_defns/hw_ubsec.h"
+#endif
+
+#define UBSEC_LIB_NAME "ubsec engine"
+#include "e_ubsec_err.c"
+
+#define FAIL_TO_SOFTWARE -15
+
+static int ubsec_destroy(ENGINE *e);
+static int ubsec_init(ENGINE *e);
+static int ubsec_finish(ENGINE *e);
+static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
+static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx);
+#ifndef OPENSSL_NO_RSA
+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);
+static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
+static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+#endif
+#ifndef OPENSSL_NO_DSA
+#ifdef NOT_USED
+static int ubsec_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 ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
+#endif
+static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len,
+ DSA_SIG *sig, DSA *dsa);
+#endif
+#ifndef OPENSSL_NO_DH
+static int ubsec_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);
+static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh);
+static int ubsec_dh_generate_key(DH *dh);
+#endif
+
+#ifdef NOT_USED
+static int ubsec_rand_bytes(unsigned char *buf, int num);
+static int ubsec_rand_status(void);
+#endif
+
+#define UBSEC_CMD_SO_PATH ENGINE_CMD_BASE
+static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = {
+ {UBSEC_CMD_SO_PATH,
+ "SO_PATH",
+ "Specifies the path to the 'ubsec' shared library",
+ ENGINE_CMD_FLAG_STRING},
+ {0, NULL, NULL, 0}
+ };
+
+#ifndef OPENSSL_NO_RSA
+/* Our internal RSA_METHOD that we provide pointers to */
+static RSA_METHOD ubsec_rsa =
+ {
+ "UBSEC RSA method",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ ubsec_rsa_mod_exp,
+ ubsec_mod_exp_mont,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+ };
+#endif
+
+#ifndef OPENSSL_NO_DSA
+/* Our internal DSA_METHOD that we provide pointers to */
+static DSA_METHOD ubsec_dsa =
+ {
+ "UBSEC DSA method",
+ ubsec_dsa_do_sign, /* dsa_do_sign */
+ NULL, /* dsa_sign_setup */
+ ubsec_dsa_verify, /* dsa_do_verify */
+ NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */
+ NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */
+ NULL, /* init */
+ NULL, /* finish */
+ 0, /* flags */
+ NULL, /* app_data */
+ NULL, /* dsa_paramgen */
+ NULL /* dsa_keygen */
+ };
+#endif
+
+#ifndef OPENSSL_NO_DH
+/* Our internal DH_METHOD that we provide pointers to */
+static DH_METHOD ubsec_dh =
+ {
+ "UBSEC DH method",
+ ubsec_dh_generate_key,
+ ubsec_dh_compute_key,
+ ubsec_mod_exp_dh,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL
+ };
+#endif
+
+/* Constants used when creating the ENGINE */
+static const char *engine_ubsec_id = "ubsec";
+static const char *engine_ubsec_name = "UBSEC hardware engine support";
+
+/* This internal function is used by ENGINE_ubsec() and possibly by the
+ * "dynamic" ENGINE support too */
+static int bind_helper(ENGINE *e)
+ {
+#ifndef OPENSSL_NO_RSA
+ const RSA_METHOD *meth1;
+#endif
+#ifndef OPENSSL_NO_DH
+#ifndef HAVE_UBSEC_DH
+ const DH_METHOD *meth3;
+#endif /* HAVE_UBSEC_DH */
+#endif
+ if(!ENGINE_set_id(e, engine_ubsec_id) ||
+ !ENGINE_set_name(e, engine_ubsec_name) ||
+#ifndef OPENSSL_NO_RSA
+ !ENGINE_set_RSA(e, &ubsec_rsa) ||
+#endif
+#ifndef OPENSSL_NO_DSA
+ !ENGINE_set_DSA(e, &ubsec_dsa) ||
+#endif
+#ifndef OPENSSL_NO_DH
+ !ENGINE_set_DH(e, &ubsec_dh) ||
+#endif
+ !ENGINE_set_destroy_function(e, ubsec_destroy) ||
+ !ENGINE_set_init_function(e, ubsec_init) ||
+ !ENGINE_set_finish_function(e, ubsec_finish) ||
+ !ENGINE_set_ctrl_function(e, ubsec_ctrl) ||
+ !ENGINE_set_cmd_defns(e, ubsec_cmd_defns))
+ return 0;
+
+#ifndef OPENSSL_NO_RSA
+ /* We know that the "PKCS1_SSLeay()" functions hook properly
+ * to the Broadcom-specific mod_exp and mod_exp_crt so we use
+ * those functions. NB: We don't use ENGINE_openssl() or
+ * anything "more generic" because something like the RSAref
+ * code may not hook properly, and if you own one of these
+ * cards then you have the right to do RSA operations on it
+ * anyway! */
+ meth1 = RSA_PKCS1_SSLeay();
+ ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
+ ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
+ ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
+ ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
+#endif
+
+#ifndef OPENSSL_NO_DH
+#ifndef HAVE_UBSEC_DH
+ /* Much the same for Diffie-Hellman */
+ meth3 = DH_OpenSSL();
+ ubsec_dh.generate_key = meth3->generate_key;
+ ubsec_dh.compute_key = meth3->compute_key;
+#endif /* HAVE_UBSEC_DH */
+#endif
+
+ /* Ensure the ubsec error handling is set up */
+ ERR_load_UBSEC_strings();
+ return 1;
+ }
+
+#ifdef OPENSSL_NO_DYNAMIC_ENGINE
+static ENGINE *engine_ubsec(void)
+ {
+ ENGINE *ret = ENGINE_new();
+ if(!ret)
+ return NULL;
+ if(!bind_helper(ret))
+ {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+ }
+
+void ENGINE_load_ubsec(void)
+ {
+ /* Copied from eng_[openssl|dyn].c */
+ ENGINE *toadd = engine_ubsec();
+ if(!toadd) return;
+ ENGINE_add(toadd);
+ ENGINE_free(toadd);
+ ERR_clear_error();
+ }
+#endif
+
+/* This is a process-global DSO handle used for loading and unloading
+ * the UBSEC 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 *ubsec_dso = NULL;
+
+/* These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded. */
+
+static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL;
+static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL;
+static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL;
+static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL;
+#ifndef OPENSSL_NO_DH
+static t_UBSEC_diffie_hellman_generate_ioctl
+ *p_UBSEC_diffie_hellman_generate_ioctl = NULL;
+static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL;
+#endif
+#ifndef OPENSSL_NO_RSA
+static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL;
+static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL;
+#endif
+#ifndef OPENSSL_NO_DSA
+static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL;
+static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL;
+#endif
+static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL;
+static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL;
+static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL;
+
+static int max_key_len = 1024; /* ??? */
+
+/*
+ * These are the static string constants for the DSO file name and the function
+ * symbol names to bind to.
+ */
+
+static const char *UBSEC_LIBNAME = NULL;
+static const char *get_UBSEC_LIBNAME(void)
+ {
+ if(UBSEC_LIBNAME)
+ return UBSEC_LIBNAME;
+ return "ubsec";
+ }
+static void free_UBSEC_LIBNAME(void)
+ {
+ if(UBSEC_LIBNAME)
+ OPENSSL_free((void*)UBSEC_LIBNAME);
+ UBSEC_LIBNAME = NULL;
+ }
+static long set_UBSEC_LIBNAME(const char *name)
+ {
+ free_UBSEC_LIBNAME();
+ return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+ }
+static const char *UBSEC_F1 = "ubsec_bytes_to_bits";
+static const char *UBSEC_F2 = "ubsec_bits_to_bytes";
+static const char *UBSEC_F3 = "ubsec_open";
+static const char *UBSEC_F4 = "ubsec_close";
+#ifndef OPENSSL_NO_DH
+static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl";
+static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl";
+#endif
+/* #ifndef OPENSSL_NO_RSA */
+static const char *UBSEC_F7 = "rsa_mod_exp_ioctl";
+static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl";
+/* #endif */
+#ifndef OPENSSL_NO_DSA
+static const char *UBSEC_F9 = "dsa_sign_ioctl";
+static const char *UBSEC_F10 = "dsa_verify_ioctl";
+#endif
+static const char *UBSEC_F11 = "math_accelerate_ioctl";
+static const char *UBSEC_F12 = "rng_ioctl";
+static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
+
+/* Destructor (complements the "ENGINE_ubsec()" constructor) */
+static int ubsec_destroy(ENGINE *e)
+ {
+ free_UBSEC_LIBNAME();
+ ERR_unload_UBSEC_strings();
+ return 1;
+ }
+
+/* (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;
+ }
+
+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;
+ }
+
+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;
+ }
+
+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;
+ }
+
+#ifndef OPENSSL_NO_RSA
+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_SSLeay();
+ to_return = (*meth->rsa_mod_exp)(r0, I, rsa, ctx);
+ }
+err:
+ return to_return;
+ }
+
+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;
+}
+#endif
+
+#ifndef OPENSSL_NO_DSA
+#ifdef NOT_USED
+static int ubsec_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 to_return = 0;
+
+ BN_init(&t);
+ /* let rr = a1 ^ p1 mod m */
+ if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
+ /* let t = a2 ^ p2 mod m */
+ if (!ubsec_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;
+ to_return = 1;
+end:
+ BN_free(&t);
+ return to_return;
+ }
+
+static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
+ const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx)
+ {
+ return ubsec_mod_exp(r, a, p, m, ctx);
+ }
+#endif
+#endif
+
+#ifndef OPENSSL_NO_RSA
+
+/*
+ * This function is aliased to mod_exp (with the mont stuff dropped).
+ */
+static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+ {
+ int ret = 0;
+
+ /* Do in software if the key is too large for the hardware. */
+ if (BN_num_bits(m) > max_key_len)
+ {
+ const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
+ ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
+ }
+ else
+ {
+ ret = ubsec_mod_exp(r, a, p, m, ctx);
+ }
+
+ return ret;
+ }
+#endif
+
+#ifndef OPENSSL_NO_DH
+/* This function is aliased to mod_exp (with the dh and mont dropped). */
+static int ubsec_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 ubsec_mod_exp(r, a, p, m, ctx);
+ }
+#endif
+
+#ifndef OPENSSL_NO_DSA
+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;
+}
+
+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;
+ }
+#endif
+
+#ifndef OPENSSL_NO_DH
+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;
+ }
+
+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;
+ }
+#endif
+
+#ifdef NOT_USED
+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);
+ }
+
+
+static int ubsec_rand_status(void)
+ {
+ return 0;
+ }
+#endif
+
+/* This stuff is needed if this ENGINE is being compiled into a self-contained
+ * shared-library. */
+#ifndef OPENSSL_NO_DYNAMIC_ENGINE
+static int bind_fn(ENGINE *e, const char *id)
+ {
+ if(id && (strcmp(id, engine_ubsec_id) != 0))
+ return 0;
+ if(!bind_helper(e))
+ return 0;
+ return 1;
+ }
+IMPLEMENT_DYNAMIC_CHECK_FN()
+IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+#endif /* OPENSSL_NO_DYNAMIC_ENGINE */
+
+#endif /* !OPENSSL_NO_HW_UBSEC */
+#endif /* !OPENSSL_NO_HW */
projects / cassiopeia.git / blobdiff