* Cloned shamelessly by Joe Tardo.
*/
/* ====================================================================
- * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
+ * 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
#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/dso.h>
+#include <openssl/bn.h>
+#include "engine_int.h"
#include <openssl/engine.h>
#ifndef OPENSSL_NO_HW
#ifndef OPENSSL_NO_HW_UBSEC
+#undef NOT_USED
+
#ifdef FLAT_INC
#include "hw_ubsec.h"
#else
#include "vendor_defns/hw_ubsec.h"
#endif
-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)());
-static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+static int ubsec_init(void);
+static int ubsec_finish(void);
+static int ubsec_ctrl(int cmd, long i, void *p, void (*f)());
+static int ubsec_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx);
-static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+static int ubsec_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *q, const BIGNUM *dp,
const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx);
#ifndef OPENSSL_NO_RSA
-static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
+static int ubsec_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa);
#endif
-static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+static int ubsec_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
#ifndef OPENSSL_NO_DSA
#if NOT_USED
DSA_SIG *sig, DSA *dsa);
#endif
#ifndef OPENSSL_NO_DH
-static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a,
+static int ubsec_mod_exp_dh(DH *dh, BIGNUM *r, 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_compute_key(unsigned char *key,BIGNUM *pub_key,DH *dh);
static int ubsec_dh_generate_key(DH *dh);
#endif
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 =
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 */
+ 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 */
};
#endif
};
#endif
-#ifndef OPENSSL_NO_ERR
-/* Error function codes for use in ubsec operation */
-#define UBSEC_F_UBSEC_INIT 100
-#define UBSEC_F_UBSEC_FINISH 101
-#define UBSEC_F_UBSEC_CTRL 102
-#define UBSEC_F_UBSEC_MOD_EXP 103
-#define UBSEC_F_UBSEC_RSA_MOD_EXP 104
-#define UBSEC_F_UBSEC_RSA_MOD_EXP_CRT 105
-#define UBSEC_F_UBSEC_DSA_SIGN 106
-#define UBSEC_F_UBSEC_DSA_VERIFY 107
-/* Error reason codes */
-#define UBSEC_R_ALREADY_LOADED 108
-#define UBSEC_R_DSO_FAILURE 109
-#define UBSEC_R_UNIT_FAILURE 110
-#define UBSEC_R_NOT_LOADED 111
-#define UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED 112
-#define UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL 113
-#define UBSEC_R_BN_EXPAND_FAIL 114
-#define UBSEC_R_REQUEST_FAILED 115
-#define UBSEC_R_MISSING_KEY_COMPONENTS 116
-static ERR_STRING_DATA ubsec_str_functs[] =
- {
- /* This first element is changed to match the dynamic 'lib' number */
-{ERR_PACK(0,0,0), "ubsec engine code"},
-{ERR_PACK(0,UBSEC_F_UBSEC_INIT,0), "ubsec_init"},
-{ERR_PACK(0,UBSEC_F_UBSEC_FINISH,0), "ubsec_finish"},
-{ERR_PACK(0,UBSEC_F_UBSEC_CTRL,0), "ubsec_ctrl"},
-{ERR_PACK(0,UBSEC_F_UBSEC_MOD_EXP,0), "ubsec_mod_exp"},
-{ERR_PACK(0,UBSEC_F_UBSEC_RSA_MOD_EXP,0), "ubsec_rsa_mod_exp"},
-{ERR_PACK(0,UBSEC_F_UBSEC_RSA_MOD_EXP_CRT,0), "ubsec_rsa_mod_exp_crt"},
-{ERR_PACK(0,UBSEC_F_UBSEC_DSA_SIGN,0), "ubsec_dsa_sign"},
-{ERR_PACK(0,UBSEC_F_UBSEC_DSA_VERIFY,0), "ubsec_dsa_verify"},
-/* Error reason codes */
-{UBSEC_R_ALREADY_LOADED ,"already loaded"},
-{UBSEC_R_DSO_FAILURE ,"DSO failure"},
-{UBSEC_R_UNIT_FAILURE ,"unit failure"},
-{UBSEC_R_NOT_LOADED ,"not loaded"},
-{UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED ,"ctrl command not implemented"},
-{UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL ,"size too large or too small"},
-{UBSEC_R_BN_EXPAND_FAIL ,"bn_expand fail"},
-{UBSEC_R_REQUEST_FAILED ,"request failed"},
-{UBSEC_R_MISSING_KEY_COMPONENTS ,"missing key components"},
-{0,NULL}
- };
-/* The library number we obtain dynamically from the ERR code */
-static int ubsec_err_lib = -1;
-#define UBSECerr(f,r) ERR_PUT_error(ubsec_err_lib,(f),(r),__FILE__,__LINE__)
-static void ubsec_load_error_strings(void)
- {
- if(ubsec_err_lib < 0)
- {
- if((ubsec_err_lib = ERR_get_next_error_library()) <= 0)
- return;
- ubsec_str_functs[0].error = ERR_PACK(ubsec_err_lib,0,0);
- ERR_load_strings(ubsec_err_lib, ubsec_str_functs);
- }
- }
-static void ubsec_unload_error_strings(void)
- {
- if(ubsec_err_lib >= 0)
- {
- ERR_unload_strings(ubsec_err_lib, ubsec_str_functs);
- ubsec_err_lib = -1;
- }
- }
-#else
-#define UBSECerr(f,r) /* NOP */
-static void ubsec_load_error_strings(void) { } /* NOP */
-static void ubsec_unload_error_strings(void) { } /* NOP */
+#ifdef NOT_USED
+/* Our internal RAND_METHOD that we provide pointers to */
+static RAND_METHOD ubsec_rand = {
+ NULL, /*void (*seed)(const void *buf, int num);*/
+ ubsec_rand_bytes, /*int (*bytes)(unsigned char *buf, int num);*/
+ NULL, /*void (*cleanup)(void);*/
+ NULL, /*void (*add)(const void *buf, int num, double entropy);*/
+ ubsec_rand_bytes, /*int (*pseudorand)(unsigned char *buf, int num);*/
+ NULL, /*int (*status)(void);*/
+};
#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)
+/* As this is only ever called once, there's no need for locking
+ * (indeed - the lock will already be held by our caller!!!) */
+ENGINE *ENGINE_ubsec()
{
+
#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) ||
+
+ ENGINE *ret = ENGINE_new();
+
+ if(!ret)
+ return NULL;
+
+ if(!ENGINE_set_id(ret, engine_ubsec_id) ||
+ !ENGINE_set_name(ret, engine_ubsec_name) ||
#ifndef OPENSSL_NO_RSA
- !ENGINE_set_RSA(e, &ubsec_rsa) ||
+ !ENGINE_set_RSA(ret, &ubsec_rsa) ||
#endif
#ifndef OPENSSL_NO_DSA
- !ENGINE_set_DSA(e, &ubsec_dsa) ||
+ !ENGINE_set_DSA(ret, &ubsec_dsa) ||
#endif
#ifndef OPENSSL_NO_DH
- !ENGINE_set_DH(e, &ubsec_dh) ||
+ !ENGINE_set_DH(ret, &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;
+ !ENGINE_set_BN_mod_exp(ret, ubsec_mod_exp) ||
+ !ENGINE_set_BN_mod_exp_crt(ret, ubsec_mod_exp_crt) ||
+ !ENGINE_set_init_function(ret, ubsec_init) ||
+ !ENGINE_set_finish_function(ret, ubsec_finish) ||
+ !ENGINE_set_ctrl_function(ret, ubsec_ctrl))
+ {
+ ENGINE_free(ret);
+ return NULL;
+ }
#ifndef OPENSSL_NO_RSA
/* We know that the "PKCS1_SSLeay()" functions hook properly
ubsec_dh.compute_key = meth3->compute_key;
#endif /* HAVE_UBSEC_DH */
#endif
-
- /* Ensure the ubsec error handling is set up */
- ubsec_load_error_strings();
- return 1;
- }
-
-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();
- }
-
/* 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
*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 = "ubsec";
+static const char *UBSEC_LIBNAME = "libubsec.so";
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";
#endif
static const char *UBSEC_F11 = "math_accelerate_ioctl";
static const char *UBSEC_F12 = "rng_ioctl";
-
-/* Destructor (complements the "ENGINE_ubsec()" constructor) */
-static int ubsec_destroy(ENGINE *e)
- {
- ubsec_unload_error_strings();
- return 1;
- }
+static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl";
/* (de)initialisation functions. */
-static int ubsec_init(ENGINE *e)
+static int ubsec_init(void)
{
t_UBSEC_ubsec_bytes_to_bits *p1;
t_UBSEC_ubsec_bits_to_bytes *p2;
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;
- int fd = 0;
+ t_UBSEC_max_key_len_ioctl *p13;
+ int fd;
if(ubsec_dso != NULL)
{
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_ALREADY_LOADED);
goto err;
}
/*
ubsec_dso = DSO_load(NULL, UBSEC_LIBNAME, NULL, 0);
if(ubsec_dso == NULL)
{
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_DSO_FAILURE);
goto err;
}
!(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)))
+ !(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);
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_DSO_FAILURE);
goto err;
}
#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_ubsec_close(fd);
- return 1;
+ if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
+ {
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ goto err;
}
- else
- {
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
+ if (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) != 0)
+ {
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ p_UBSEC_ubsec_close(fd);
+ goto err;
}
+
+ p_UBSEC_ubsec_close(fd);
+ return 1;
err:
if(ubsec_dso)
#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)
+static int ubsec_finish(void )
{
if(ubsec_dso == NULL)
{
- UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
+ ENGINEerr(ENGINE_F_UBSEC_FINISH, ENGINE_R_NOT_LOADED);
return 0;
}
if(!DSO_free(ubsec_dso))
{
- UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
+ ENGINEerr(ENGINE_F_UBSEC_FINISH, ENGINE_R_DSO_FAILURE);
return 0;
}
ubsec_dso = 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)())
+static int ubsec_ctrl(int cmd, long i, void *p, void (*f)())
{
- 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;
- }
- UBSEC_LIBNAME = (const char *)p;
- return 1;
default:
break;
}
- UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+ ENGINEerr(ENGINE_F_UBSEC_CTRL,ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED);
return 0;
}
-static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+static int ubsec_mod_exp(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx)
{
- int y_len = 0;
+ int ret = 0;
+ int r_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 > 1024) {
- UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
-
- if(!bn_wexpand(r, m->top))
- {
- UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
- return 0;
- }
- memset(r->d, 0, BN_num_bytes(m));
+ {
+ ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_NOT_LOADED);
+ goto err;
+ }
- if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
- fd = 0;
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
- return 0;
- }
+ r_len = BN_num_bits(m);
- 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);
- return 0;
- }
+ /* Perform in software if modulus is too large for hardware. */
- p_UBSEC_ubsec_close(fd);
+ if (r_len > max_key_len)
+ {
+ ENGINE *e;
+ ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp(r, a, p, m, ctx);
+ goto err;
+ }
- r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
- return 1;
- }
+ if (!bn_wexpand(r, m->top))
+ {
+ ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_BN_EXPAND_FAIL);
+ goto err;
+ }
+ bzero(r->d, BN_num_bytes(m));
+
+ if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
+ {
+ ENGINE *e;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp(r, a, p, m, ctx);
+ goto err;
+ }
-#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 (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, &r_len) != 0)
+ {
+ /* Hardware's a no go, failover to software */
+ ENGINE *e;
- if((ctx = BN_CTX_new()) == NULL)
- goto err;
+ ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_REQUEST_FAILED);
+ p_UBSEC_ubsec_close(fd);
- if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
- {
- UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp(r, a, p, m, ctx);
goto err;
}
+
+ p_UBSEC_ubsec_close(fd);
- /*
- * Do in software if argument is too large for hardware.
- */
- if ((BN_num_bits(rsa->p)+BN_num_bits(rsa->q)) > 1024) {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- to_return = (*meth->rsa_mod_exp)(r0, I, rsa);
- } else {
- to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1,
- rsa->dmq1, rsa->iqmp, ctx);
- }
+ r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2;
+
+ ret = 1;
err:
- if(ctx)
- BN_CTX_free(ctx);
- return to_return;
+ return ret;
}
-#endif
-static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
+static int ubsec_mod_exp_crt(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *q, const BIGNUM *dp,
const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx)
- {
+ {
+
int y_len,
m_len,
- fd;
+ fd,
+ ret = 0;
m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1;
y_len = BN_num_bits(p) + BN_num_bits(q);
- /* Check if hardware can't handle this argument. */
- if (y_len > 1024) {
- UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
+ /* Perform in software if modulus is too large for hardware. */
- if (!bn_wexpand(r, p->top + q->top + 1)) {
- UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
- return 0;
- }
+ if (y_len > max_key_len)
+ {
+ ENGINE *e;
- if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
- fd = 0;
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
- return 0;
- }
+ ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP_CRT, ENGINE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp_crt(r, a, p, q, dp, dq, qinv, ctx);
+
+ goto err;
+ }
+
+ if (!bn_wexpand(r, p->top + q->top + 1))
+ {
+ ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP_CRT, ENGINE_R_BN_EXPAND_FAIL);
+ goto err;
+ }
+
+ if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
+ {
+ ENGINE *e;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp_crt(r, a, p, q, dp, dq, qinv, ctx);
+ goto err;
+ }
if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
(unsigned char *)a->d, BN_num_bits(a),
(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, UBSEC_R_REQUEST_FAILED);
- return 0;
- }
+ (unsigned char *)r->d, &y_len) != 0)
+ {
+ ENGINE *e;
+ p_UBSEC_ubsec_close(fd);
+ ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP_CRT, ENGINE_R_UNIT_FAILURE);
+ e = ENGINE_openssl();
+ ret = e->bn_mod_exp_crt(r, a, p, q, dp, dq, qinv, ctx);
- p_UBSEC_ubsec_close(fd);
+ goto err;
+ }
+ p_UBSEC_ubsec_close(fd);
+
r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2;
- return 1;
-}
+
+ ret = 1;
+ err:
+ return(ret);
+ }
+
+#ifndef OPENSSL_NO_RSA
+static int ubsec_rsa_mod_exp(BIGNUM *r0, BIGNUM *I, RSA *rsa)
+ {
+ BN_CTX *ctx;
+ int ret = 0;
+
+ if ((ctx = BN_CTX_new()) == NULL) goto err;
+
+ if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
+ {
+ ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP, ENGINE_R_MISSING_KEY_COMPONENTS);
+ goto err;
+ }
+
+ /* Perform in software if the key is too large for hardware. */
+
+ if ((BN_num_bits(rsa->p) > (max_key_len / 2)) &&
+ (BN_num_bits(rsa->q) > (max_key_len / 2 )))
+ {
+ const RSA_METHOD *meth;
+ meth = RSA_PKCS1_SSLeay();
+ ret = meth->rsa_mod_exp(r0, I, rsa);
+ }
+ else
+ {
+ ret = ubsec_mod_exp_crt(r0,
+ I,
+ rsa->p,
+ rsa->q,
+ rsa->dmp1,
+ rsa->dmq1,
+ rsa->iqmp,
+ ctx);
+ }
+
+err:
+ if (ctx) BN_CTX_free(ctx);
+ return ret;
+ }
+#endif
#ifndef OPENSSL_NO_DSA
#if NOT_USED
BN_CTX *ctx, BN_MONT_CTX *in_mont)
{
BIGNUM t;
- int to_return = 0;
+ int ret = 0;
BN_init(&t);
/* let rr = a1 ^ p1 mod m */
- if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end;
+ if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto err;
/* let t = a2 ^ p2 mod m */
- if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto end;
+ if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto err;
/* let rr = rr * t mod m */
- if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end;
- to_return = 1;
-end:
+ if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto err;
+ ret = 1;
+err:
BN_free(&t);
- return to_return;
+ return ret;
}
static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
/*
* 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,
+static int ubsec_mod_exp_mont(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
- {
+{
int ret = 0;
+
#ifndef OPENSSL_NO_RSA
- /* Do in software if the key is too large for the hardware. */
- if (BN_num_bits(m) > 1024)
- {
- const RSA_METHOD *meth = RSA_PKCS1_SSLeay();
- ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx);
- }
- else
-#endif
- {
+ /* Perform in software if the modulus is too large for hardware. */
+
+ if (BN_num_bits(m) > max_key_len)
+ {
+ const RSA_METHOD *meth;
+ meth = RSA_PKCS1_SSLeay();
+ ret = meth->bn_mod_exp(r, a, p, m, ctx, m_ctx);
+ }
+ else
+#endif
+ {
ret = ubsec_mod_exp(r, a, p, m, ctx);
- }
+ }
return ret;
- }
-
-#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;
+ DSA_SIG *ret = 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;
+ 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_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+ ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
goto err;
}
if (BN_bin2bn(dgst,dlen,&m) == NULL) {
- UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+ ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
goto err;
}
- if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
- fd = 0;
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
- return 0;
- }
+ if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
+ {
+ const DSA_METHOD *meth;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ meth = DSA_OpenSSL();
+ ret = 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)
+ {
+ /* Hardware's a no go, failover to software */
+ const DSA_METHOD *meth;
+
+ ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_REQUEST_FAILED);
+ p_UBSEC_ubsec_close(fd);
+
+ meth = DSA_OpenSSL();
+ ret = meth->dsa_do_sign(dgst, dlen, dsa);
- 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) {
- UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_REQUEST_FAILED);
goto err;
}
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_SIGN, UBSEC_R_BN_EXPAND_FAIL);
+ ret = DSA_SIG_new();
+ if(ret == NULL) {
+ ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
goto err;
}
- to_return->r = r;
- to_return->s = s;
-
+ ret->r = r;
+ ret->s = s;
err:
- if (!to_return) {
+ if (!ret)
+ {
if (r) BN_free(r);
if (s) BN_free(s);
- }
+ }
BN_clear_free(&m);
- return to_return;
+ return ret;
}
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;
+ int v_len,
+ d_len,
+ ret = 0,
+ fd;
+ BIGNUM v;
BN_init(&v);
- if(!bn_wexpand(&v, dsa->p->top)) {
- UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY ,UBSEC_R_BN_EXPAND_FAIL);
+ if (!bn_wexpand(&v, dsa->p->top))
+ {
+ ENGINEerr(ENGINE_F_UBSEC_DSA_VERIFY ,ENGINE_R_BN_EXPAND_FAIL);
goto err;
}
d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len);
- if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
- fd = 0;
- UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
- return 0;
- }
+ if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0)
+ {
+ const DSA_METHOD *meth;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
+ meth = DSA_OpenSSL();
+ ret = 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)
+ {
+ /* Hardware's a no go, failover to software */
+ const DSA_METHOD *meth;
+
+ ENGINEerr(ENGINE_F_UBSEC_DSA_VERIFY , ENGINE_R_REQUEST_FAILED);
+ p_UBSEC_ubsec_close(fd);
+
+ meth = DSA_OpenSSL();
+ ret = meth->dsa_do_verify(dgst, dgst_len, sig, dsa);
- 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) {
- UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY , UBSEC_R_REQUEST_FAILED);
goto err;
- }
+ }
p_UBSEC_ubsec_close(fd);
- to_return = 1;
+ ret = 1;
err:
BN_clear_free(&v);
- return to_return;
+ return ret;
}
#endif
#ifndef OPENSSL_NO_DH
-static int ubsec_dh_compute_key (unsigned char *key,const BIGNUM *pub_key,DH *dh)
+/*
+ * This function is aliased to mod_exp.
+ */
+static int ubsec_mod_exp_dh(DH *dh,
+ BIGNUM *r,
+ BIGNUM *a,
+ const BIGNUM *p,
+ const BIGNUM *m,
+ BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx)
{
- return 0;
+ return ubsec_mod_exp(r, a, p, m, ctx);
}
+#endif
-static int ubsec_dh_generate_key (DH *dh)
- {
- return 0;
+static int ubsec_dh_compute_key (unsigned char *key,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;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_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;
+ ENGINEerr(ENGINE_F_UBSEC_DH_COMPUTE_KEY, ENGINE_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;
}
-#endif
-#ifdef NOT_USED
-static int ubsec_rand_bytes(unsigned char *buf, int num)
- {
- return 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);
+ bn_wexpand(priv_key, dh->p->top);
+ 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);
+ bn_wexpand(pub_key, dh->p->top);
+ 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;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_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;
+
+ ENGINEerr(ENGINE_F_UBSEC_DH_COMPUTE_KEY, ENGINE_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;
+ }
+
+#if 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;
+ ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_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;
+
+ ENGINEerr(ENGINE_F_UBSEC_RNG_BYTES, ENGINE_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)
}
#endif
-/* 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)
- {
- 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 /* ENGINE_DYNAMIC_SUPPORT */
-
#endif /* !OPENSSL_NO_HW_UBSEC */
#endif /* !OPENSSL_NO_HW */