* Cloned shamelessly by Joe Tardo.
*/
/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ * 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
#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/dso.h>
-#include "engine_int.h"
#include <openssl/engine.h>
-#ifndef NO_HW
-#ifndef NO_HW_UBSEC
+#ifndef OPENSSL_NO_HW
+#ifndef OPENSSL_NO_HW_UBSEC
#ifdef FLAT_INC
#include "hw_ubsec.h"
#include "vendor_defns/hw_ubsec.h"
#endif
-static int ubsec_init(void);
-static int ubsec_finish(void);
+#define UBSEC_LIB_NAME "ubsec engine"
+#include "hw_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)());
static int ubsec_mod_exp(BIGNUM *r, const 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,
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);
+#endif
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);
+#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);
-
-/* Our internal RSA_METHOD that we provide pointers to */
+#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
};
+#endif
+#ifndef OPENSSL_NO_DSA
/* Our internal DSA_METHOD that we provide pointers to */
static DSA_METHOD ubsec_dsa =
{
0, /* flags */
NULL /* app_data */
};
+#endif
+#ifndef OPENSSL_NO_DH
/* Our internal DH_METHOD that we provide pointers to */
static DH_METHOD ubsec_dh =
{
0,
NULL
};
+#endif
-/* Our ENGINE structure. */
-static ENGINE engine_ubsec =
- {
- "ubsec",
- "UBSEC hardware engine support",
- &ubsec_rsa,
- &ubsec_dsa,
- &ubsec_dh,
- NULL,
- ubsec_mod_exp,
- ubsec_mod_exp_crt,
- ubsec_init,
- ubsec_finish,
- NULL, /* no ctrl() */
- NULL, /* no load_privkey() */
- NULL, /* no load_pubkey() */
- 0, /* no flags */
- 0, 0, /* no references */
- NULL, NULL /* unlinked */
- };
-
-/* 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()
+/* 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
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;
+ }
+
+static ENGINE *engine_ubsec(void)
+ {
+ ENGINE *ret = ENGINE_new();
+ if(!ret)
+ return NULL;
+ if(!bind_helper(ret))
+ {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+ }
- return &engine_ubsec;
+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
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()
+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)
{
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_ALREADY_LOADED);
+ UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED);
goto err;
}
/*
* Attempt to load libubsec.so/ubsec.dll/whatever.
*/
- ubsec_dso = DSO_load(NULL, UBSEC_LIBNAME, NULL, 0);
+ ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0);
if(ubsec_dso == NULL)
{
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_DSO_FAILURE);
+ UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_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)))
{
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_DSO_FAILURE);
+ UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE);
goto err;
}
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_ubsec_close(fd);
- return 1;
- }
+ 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
- {
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
- }
+ {
+ UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
+ }
err:
if(ubsec_dso)
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()
+static int ubsec_finish(ENGINE *e)
{
+ free_UBSEC_LIBNAME();
if(ubsec_dso == NULL)
{
- ENGINEerr(ENGINE_F_UBSEC_FINISH, ENGINE_R_NOT_LOADED);
+ UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED);
return 0;
}
if(!DSO_free(ubsec_dso))
{
- ENGINEerr(ENGINE_F_UBSEC_FINISH, ENGINE_R_DSO_FAILURE);
+ UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE);
return 0;
}
ubsec_dso = 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)())
+ {
+ 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)
{
if(ubsec_dso == NULL)
{
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_NOT_LOADED);
+ 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) {
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
+ 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))
{
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL);
return 0;
}
memset(r->d, 0, BN_num_bytes(m));
if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
fd = 0;
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
- return 0;
+ UBSECerr(UBSEC_F_UBSEC_INIT, 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)
{
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_REQUEST_FAILED);
- return 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);
return 1;
}
+#ifndef OPENSSL_NO_RSA
static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
{
BN_CTX *ctx;
if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
{
- ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP, ENGINE_R_MISSING_KEY_COMPONENTS);
+ UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS);
goto err;
}
- /*
- * 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);
+ 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);
}
err:
if(ctx)
BN_CTX_free(ctx);
return to_return;
}
+#endif
static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *q, const BIGNUM *dp,
y_len = BN_num_bits(p) + BN_num_bits(q);
/* Check if hardware can't handle this argument. */
- if (y_len > 1024) {
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
+ if (y_len > max_key_len) {
+ UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
+ return FAIL_TO_SOFTWARE;
}
if (!bn_wexpand(r, p->top + q->top + 1)) {
- ENGINEerr(ENGINE_F_UBSEC_RSA_MOD_EXP_CRT, ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL);
return 0;
}
if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) {
fd = 0;
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
- return 0;
+ UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE);
+ return FAIL_TO_SOFTWARE;
}
if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd,
(unsigned char *)dq->d, BN_num_bits(dq),
(unsigned char *)q->d, BN_num_bits(q),
(unsigned char *)r->d, &y_len) != 0) {
- ENGINEerr(ENGINE_F_UBSEC_MOD_EXP, ENGINE_R_REQUEST_FAILED);
- return 0;
+ UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED);
+ p_UBSEC_ubsec_close(fd);
+ return FAIL_TO_SOFTWARE;
}
p_UBSEC_ubsec_close(fd);
return 1;
}
+#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)
{
return ubsec_mod_exp(r, a, p, m, ctx);
}
+#endif
+#endif
/*
* 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;
+#ifndef OPENSSL_NO_RSA
/* Do in software if the key is too large for the hardware. */
- if (BN_num_bits(m) > 1024) {
+ 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 {
+ }
+ 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,
{
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;
if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) ||
(!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
goto err;
}
if (BN_bin2bn(dgst,dlen,&m) == NULL) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_DSA_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;
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
- return 0;
+ UBSECerr(UBSEC_F_UBSEC_INIT, 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 *)dsa->priv_key->d, BN_num_bits(dsa->priv_key),
(unsigned char *)r->d, &r_len,
(unsigned char *)s->d, &s_len ) != 0) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_REQUEST_FAILED);
+ const DSA_METHOD *meth;
+
+ UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_REQUEST_FAILED);
+ p_UBSEC_ubsec_close(fd);
+ meth = DSA_OpenSSL();
+ to_return = meth->dsa_do_sign(dgst, dlen, dsa);
+
goto err;
}
to_return = DSA_SIG_new();
if(to_return == NULL) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_SIGN, ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL);
goto err;
}
BN_init(&v);
if(!bn_wexpand(&v, dsa->p->top)) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_VERIFY ,ENGINE_R_BN_EXPAND_FAIL);
+ UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY ,UBSEC_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) {
+ const DSA_METHOD *meth;
fd = 0;
- ENGINEerr(ENGINE_F_UBSEC_INIT, ENGINE_R_UNIT_FAILURE);
- return 0;
+ UBSECerr(UBSEC_F_UBSEC_INIT, 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 *)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) {
- ENGINEerr(ENGINE_F_UBSEC_DSA_VERIFY , ENGINE_R_REQUEST_FAILED);
+ 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;
}
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)
- {
- return 0;
- }
+ {
+ 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(UBSEC_F_UBSEC_INIT, 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;
+ ENGINEerr(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)
- {
- return 0;
- }
+ {
+ 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(UBSEC_F_UBSEC_INIT, 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;
+
+ ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_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;
+ ENGINEerr(UBSEC_F_UBSEC_INIT, 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;
+
+ ENGINEerr(UBSEC_F_UBSEC_RNG_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_bytes(unsigned char *buf, int num)
+
+static int ubsec_rand_status(void)
{
return 0;
}
+#endif
-static int ubsec_rand_status(void)
+/* 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)
{
- return 0;
+ 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 /* !NO_HW_UBSEC */
-#endif /* !NO_HW */
+#endif /* !OPENSSL_NO_HW_UBSEC */
+#endif /* !OPENSSL_NO_HW */
projects / openssl.git / blobdiff