aboutsummaryrefslogtreecommitdiffstats
path: root/engines/e_chil.c
diff options
context:
space:
mode:
Diffstat (limited to 'engines/e_chil.c')
-rw-r--r--engines/e_chil.c2245
1 files changed, 1114 insertions, 1131 deletions
diff --git a/engines/e_chil.c b/engines/e_chil.c
index fdc2100e3de0..69d49d7d3a88 100644
--- a/engines/e_chil.c
+++ b/engines/e_chil.c
@@ -1,7 +1,8 @@
/* crypto/engine/e_chil.c -*- mode: C; c-file-style: "eay" -*- */
-/* Written by Richard Levitte (richard@levitte.org), Geoff Thorpe
- * (geoff@geoffthorpe.net) and Dr Stephen N Henson (steve@openssl.org)
- * for the OpenSSL project 2000.
+/*
+ * Written by Richard Levitte (richard@levitte.org), Geoff Thorpe
+ * (geoff@geoffthorpe.net) and Dr Stephen N Henson (steve@openssl.org) for
+ * the OpenSSL project 2000.
*/
/* ====================================================================
* Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
@@ -11,7 +12,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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
@@ -66,17 +67,18 @@
#include <openssl/ui.h>
#include <openssl/rand.h>
#ifndef OPENSSL_NO_RSA
-#include <openssl/rsa.h>
+# include <openssl/rsa.h>
#endif
#ifndef OPENSSL_NO_DH
-#include <openssl/dh.h>
+# include <openssl/dh.h>
#endif
#include <openssl/bn.h>
#ifndef OPENSSL_NO_HW
-#ifndef OPENSSL_NO_HW_CHIL
+# ifndef OPENSSL_NO_HW_CHIL
-/* Attribution notice: nCipher have said several times that it's OK for
+/*-
+ * Attribution notice: nCipher have said several times that it's OK for
* us to implement a general interface to their boxes, and recently declared
* their HWCryptoHook to be public, and therefore available for us to use.
* Thanks, nCipher.
@@ -84,46 +86,50 @@
* The hwcryptohook.h included here is from May 2000.
* [Richard Levitte]
*/
-#ifdef FLAT_INC
-#include "hwcryptohook.h"
-#else
-#include "vendor_defns/hwcryptohook.h"
-#endif
+# ifdef FLAT_INC
+# include "hwcryptohook.h"
+# else
+# include "vendor_defns/hwcryptohook.h"
+# endif
-#define HWCRHK_LIB_NAME "CHIL engine"
-#include "e_chil_err.c"
+# define HWCRHK_LIB_NAME "CHIL engine"
+# include "e_chil_err.c"
static int hwcrhk_destroy(ENGINE *e);
static int hwcrhk_init(ENGINE *e);
static int hwcrhk_finish(ENGINE *e);
-static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
+static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void));
/* Functions to handle mutexes */
-static int hwcrhk_mutex_init(HWCryptoHook_Mutex*, HWCryptoHook_CallerContext*);
-static int hwcrhk_mutex_lock(HWCryptoHook_Mutex*);
-static void hwcrhk_mutex_unlock(HWCryptoHook_Mutex*);
-static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex*);
+static int hwcrhk_mutex_init(HWCryptoHook_Mutex *,
+ HWCryptoHook_CallerContext *);
+static int hwcrhk_mutex_lock(HWCryptoHook_Mutex *);
+static void hwcrhk_mutex_unlock(HWCryptoHook_Mutex *);
+static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex *);
/* BIGNUM stuff */
static int hwcrhk_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx);
+ const BIGNUM *m, BN_CTX *ctx);
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
/* RSA stuff */
-static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
+static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa,
+ BN_CTX *ctx);
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int hwcrhk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
static int hwcrhk_rsa_finish(RSA *rsa);
-#endif
+# endif
-#ifndef OPENSSL_NO_DH
+# ifndef OPENSSL_NO_DH
/* DH stuff */
/* This function is alised to mod_exp (with the DH and mont dropped). */
static int hwcrhk_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
+ const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx);
+# endif
/* RAND stuff */
static int hwcrhk_rand_bytes(unsigned char *buf, int num);
@@ -131,1226 +137,1203 @@ static int hwcrhk_rand_status(void);
/* KM stuff */
static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,
- UI_METHOD *ui_method, void *callback_data);
+ UI_METHOD *ui_method,
+ void *callback_data);
static EVP_PKEY *hwcrhk_load_pubkey(ENGINE *eng, const char *key_id,
- UI_METHOD *ui_method, void *callback_data);
+ UI_METHOD *ui_method,
+ void *callback_data);
/* Interaction stuff */
static int hwcrhk_insert_card(const char *prompt_info,
- const char *wrong_info,
- HWCryptoHook_PassphraseContext *ppctx,
- HWCryptoHook_CallerContext *cactx);
+ const char *wrong_info,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx);
static int hwcrhk_get_pass(const char *prompt_info,
- int *len_io, char *buf,
- HWCryptoHook_PassphraseContext *ppctx,
- HWCryptoHook_CallerContext *cactx);
+ int *len_io, char *buf,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx);
static void hwcrhk_log_message(void *logstr, const char *message);
/* The definitions for control commands specific to this engine */
-#define HWCRHK_CMD_SO_PATH ENGINE_CMD_BASE
-#define HWCRHK_CMD_FORK_CHECK (ENGINE_CMD_BASE + 1)
-#define HWCRHK_CMD_THREAD_LOCKING (ENGINE_CMD_BASE + 2)
-#define HWCRHK_CMD_SET_USER_INTERFACE (ENGINE_CMD_BASE + 3)
-#define HWCRHK_CMD_SET_CALLBACK_DATA (ENGINE_CMD_BASE + 4)
+# define HWCRHK_CMD_SO_PATH ENGINE_CMD_BASE
+# define HWCRHK_CMD_FORK_CHECK (ENGINE_CMD_BASE + 1)
+# define HWCRHK_CMD_THREAD_LOCKING (ENGINE_CMD_BASE + 2)
+# define HWCRHK_CMD_SET_USER_INTERFACE (ENGINE_CMD_BASE + 3)
+# define HWCRHK_CMD_SET_CALLBACK_DATA (ENGINE_CMD_BASE + 4)
static const ENGINE_CMD_DEFN hwcrhk_cmd_defns[] = {
- {HWCRHK_CMD_SO_PATH,
- "SO_PATH",
- "Specifies the path to the 'hwcrhk' shared library",
- ENGINE_CMD_FLAG_STRING},
- {HWCRHK_CMD_FORK_CHECK,
- "FORK_CHECK",
- "Turns fork() checking on (non-zero) or off (zero)",
- ENGINE_CMD_FLAG_NUMERIC},
- {HWCRHK_CMD_THREAD_LOCKING,
- "THREAD_LOCKING",
- "Turns thread-safe locking on (zero) or off (non-zero)",
- ENGINE_CMD_FLAG_NUMERIC},
- {HWCRHK_CMD_SET_USER_INTERFACE,
- "SET_USER_INTERFACE",
- "Set the global user interface (internal)",
- ENGINE_CMD_FLAG_INTERNAL},
- {HWCRHK_CMD_SET_CALLBACK_DATA,
- "SET_CALLBACK_DATA",
- "Set the global user interface extra data (internal)",
- ENGINE_CMD_FLAG_INTERNAL},
- {0, NULL, NULL, 0}
- };
+ {HWCRHK_CMD_SO_PATH,
+ "SO_PATH",
+ "Specifies the path to the 'hwcrhk' shared library",
+ ENGINE_CMD_FLAG_STRING},
+ {HWCRHK_CMD_FORK_CHECK,
+ "FORK_CHECK",
+ "Turns fork() checking on (non-zero) or off (zero)",
+ ENGINE_CMD_FLAG_NUMERIC},
+ {HWCRHK_CMD_THREAD_LOCKING,
+ "THREAD_LOCKING",
+ "Turns thread-safe locking on (zero) or off (non-zero)",
+ ENGINE_CMD_FLAG_NUMERIC},
+ {HWCRHK_CMD_SET_USER_INTERFACE,
+ "SET_USER_INTERFACE",
+ "Set the global user interface (internal)",
+ ENGINE_CMD_FLAG_INTERNAL},
+ {HWCRHK_CMD_SET_CALLBACK_DATA,
+ "SET_CALLBACK_DATA",
+ "Set the global user interface extra data (internal)",
+ ENGINE_CMD_FLAG_INTERNAL},
+ {0, NULL, NULL, 0}
+};
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
/* Our internal RSA_METHOD that we provide pointers to */
-static RSA_METHOD hwcrhk_rsa =
- {
- "CHIL RSA method",
- NULL,
- NULL,
- NULL,
- NULL,
- hwcrhk_rsa_mod_exp,
- hwcrhk_mod_exp_mont,
- NULL,
- hwcrhk_rsa_finish,
- 0,
- NULL,
- NULL,
- NULL,
- NULL
- };
-#endif
+static RSA_METHOD hwcrhk_rsa = {
+ "CHIL RSA method",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ hwcrhk_rsa_mod_exp,
+ hwcrhk_mod_exp_mont,
+ NULL,
+ hwcrhk_rsa_finish,
+ 0,
+ NULL,
+ NULL,
+ NULL,
+ NULL
+};
+# endif
-#ifndef OPENSSL_NO_DH
+# ifndef OPENSSL_NO_DH
/* Our internal DH_METHOD that we provide pointers to */
-static DH_METHOD hwcrhk_dh =
- {
- "CHIL DH method",
- NULL,
- NULL,
- hwcrhk_mod_exp_dh,
- NULL,
- NULL,
- 0,
- NULL,
- NULL
- };
-#endif
-
-static RAND_METHOD hwcrhk_rand =
- {
- /* "CHIL RAND method", */
- NULL,
- hwcrhk_rand_bytes,
- NULL,
- NULL,
- hwcrhk_rand_bytes,
- hwcrhk_rand_status,
- };
+static DH_METHOD hwcrhk_dh = {
+ "CHIL DH method",
+ NULL,
+ NULL,
+ hwcrhk_mod_exp_dh,
+ NULL,
+ NULL,
+ 0,
+ NULL,
+ NULL
+};
+# endif
+
+static RAND_METHOD hwcrhk_rand = {
+ /* "CHIL RAND method", */
+ NULL,
+ hwcrhk_rand_bytes,
+ NULL,
+ NULL,
+ hwcrhk_rand_bytes,
+ hwcrhk_rand_status,
+};
/* Constants used when creating the ENGINE */
static const char *engine_hwcrhk_id = "chil";
static const char *engine_hwcrhk_name = "CHIL hardware engine support";
-#ifndef OPENSSL_NO_DYNAMIC_ENGINE
+# ifndef OPENSSL_NO_DYNAMIC_ENGINE
/* Compatibility hack, the dynamic library uses this form in the path */
static const char *engine_hwcrhk_id_alt = "ncipher";
-#endif
+# endif
/* Internal stuff for HWCryptoHook */
/* Some structures needed for proper use of thread locks */
-/* hwcryptohook.h has some typedefs that turn struct HWCryptoHook_MutexValue
- into HWCryptoHook_Mutex */
-struct HWCryptoHook_MutexValue
- {
- int lockid;
- };
-
-/* hwcryptohook.h has some typedefs that turn
- struct HWCryptoHook_PassphraseContextValue
- into HWCryptoHook_PassphraseContext */
-struct HWCryptoHook_PassphraseContextValue
- {
- UI_METHOD *ui_method;
- void *callback_data;
- };
-
-/* hwcryptohook.h has some typedefs that turn
- struct HWCryptoHook_CallerContextValue
- into HWCryptoHook_CallerContext */
-struct HWCryptoHook_CallerContextValue
- {
- pem_password_cb *password_callback; /* Deprecated! Only present for
- backward compatibility! */
- UI_METHOD *ui_method;
- void *callback_data;
- };
-
-/* The MPI structure in HWCryptoHook is pretty compatible with OpenSSL
- BIGNUM's, so lets define a couple of conversion macros */
-#define BN2MPI(mp, bn) \
+/*
+ * hwcryptohook.h has some typedefs that turn struct HWCryptoHook_MutexValue
+ * into HWCryptoHook_Mutex
+ */
+struct HWCryptoHook_MutexValue {
+ int lockid;
+};
+
+/*
+ * hwcryptohook.h has some typedefs that turn struct
+ * HWCryptoHook_PassphraseContextValue into HWCryptoHook_PassphraseContext
+ */
+struct HWCryptoHook_PassphraseContextValue {
+ UI_METHOD *ui_method;
+ void *callback_data;
+};
+
+/*
+ * hwcryptohook.h has some typedefs that turn struct
+ * HWCryptoHook_CallerContextValue into HWCryptoHook_CallerContext
+ */
+struct HWCryptoHook_CallerContextValue {
+ pem_password_cb *password_callback; /* Deprecated! Only present for
+ * backward compatibility! */
+ UI_METHOD *ui_method;
+ void *callback_data;
+};
+
+/*
+ * The MPI structure in HWCryptoHook is pretty compatible with OpenSSL
+ * BIGNUM's, so lets define a couple of conversion macros
+ */
+# define BN2MPI(mp, bn) \
{mp.size = bn->top * sizeof(BN_ULONG); mp.buf = (unsigned char *)bn->d;}
-#define MPI2BN(bn, mp) \
+# define MPI2BN(bn, mp) \
{mp.size = bn->dmax * sizeof(BN_ULONG); mp.buf = (unsigned char *)bn->d;}
static BIO *logstream = NULL;
static int disable_mutex_callbacks = 0;
-/* One might wonder why these are needed, since one can pass down at least
- a UI_METHOD and a pointer to callback data to the key-loading functions.
- The thing is that the ModExp and RSAImmed functions can load keys as well,
- if the data they get is in a special, nCipher-defined format (hint: if you
- look at the private exponent of the RSA data as a string, you'll see this
- string: "nCipher KM tool key id", followed by some bytes, followed a key
- identity string, followed by more bytes. This happens when you use "embed"
- keys instead of "hwcrhk" keys). Unfortunately, those functions do not take
- any passphrase or caller context, and our functions can't really take any
- callback data either. Still, the "insert_card" and "get_passphrase"
- callbacks may be called down the line, and will need to know what user
- interface callbacks to call, and having callback data from the application
- may be a nice thing as well, so we need to keep track of that globally. */
+/*
+ * One might wonder why these are needed, since one can pass down at least a
+ * UI_METHOD and a pointer to callback data to the key-loading functions. The
+ * thing is that the ModExp and RSAImmed functions can load keys as well, if
+ * the data they get is in a special, nCipher-defined format (hint: if you
+ * look at the private exponent of the RSA data as a string, you'll see this
+ * string: "nCipher KM tool key id", followed by some bytes, followed a key
+ * identity string, followed by more bytes. This happens when you use
+ * "embed" keys instead of "hwcrhk" keys). Unfortunately, those functions do
+ * not take any passphrase or caller context, and our functions can't really
+ * take any callback data either. Still, the "insert_card" and
+ * "get_passphrase" callbacks may be called down the line, and will need to
+ * know what user interface callbacks to call, and having callback data from
+ * the application may be a nice thing as well, so we need to keep track of
+ * that globally.
+ */
static HWCryptoHook_CallerContext password_context = { NULL, NULL, NULL };
/* Stuff to pass to the HWCryptoHook library */
static HWCryptoHook_InitInfo hwcrhk_globals = {
- HWCryptoHook_InitFlags_SimpleForkCheck, /* Flags */
- &logstream, /* logstream */
- sizeof(BN_ULONG), /* limbsize */
- 0, /* mslimb first: false for BNs */
- -1, /* msbyte first: use native */
- 0, /* Max mutexes, 0 = no small limit */
- 0, /* Max simultaneous, 0 = default */
-
- /* The next few are mutex stuff: we write wrapper functions
- around the OS mutex functions. We initialise them to 0
- here, and change that to actual function pointers in hwcrhk_init()
- if dynamic locks are supported (that is, if the application
- programmer has made sure of setting up callbacks bafore starting
- this engine) *and* if disable_mutex_callbacks hasn't been set by
- a call to ENGINE_ctrl(ENGINE_CTRL_CHIL_NO_LOCKING). */
- sizeof(HWCryptoHook_Mutex),
- 0,
- 0,
- 0,
- 0,
-
- /* The next few are condvar stuff: we write wrapper functions
- round the OS functions. Currently not implemented and not
- and absolute necessity even in threaded programs, therefore
- 0'ed. Will hopefully be implemented some day, since it
- enhances the efficiency of HWCryptoHook. */
- 0, /* sizeof(HWCryptoHook_CondVar), */
- 0, /* hwcrhk_cv_init, */
- 0, /* hwcrhk_cv_wait, */
- 0, /* hwcrhk_cv_signal, */
- 0, /* hwcrhk_cv_broadcast, */
- 0, /* hwcrhk_cv_destroy, */
-
- hwcrhk_get_pass, /* pass phrase */
- hwcrhk_insert_card, /* insert a card */
- hwcrhk_log_message /* Log message */
+ HWCryptoHook_InitFlags_SimpleForkCheck, /* Flags */
+ &logstream, /* logstream */
+ sizeof(BN_ULONG), /* limbsize */
+ 0, /* mslimb first: false for BNs */
+ -1, /* msbyte first: use native */
+ 0, /* Max mutexes, 0 = no small limit */
+ 0, /* Max simultaneous, 0 = default */
+
+ /*
+ * The next few are mutex stuff: we write wrapper functions around the OS
+ * mutex functions. We initialise them to 0 here, and change that to
+ * actual function pointers in hwcrhk_init() if dynamic locks are
+ * supported (that is, if the application programmer has made sure of
+ * setting up callbacks bafore starting this engine) *and* if
+ * disable_mutex_callbacks hasn't been set by a call to
+ * ENGINE_ctrl(ENGINE_CTRL_CHIL_NO_LOCKING).
+ */
+ sizeof(HWCryptoHook_Mutex),
+ 0,
+ 0,
+ 0,
+ 0,
+
+ /*
+ * The next few are condvar stuff: we write wrapper functions round the
+ * OS functions. Currently not implemented and not and absolute
+ * necessity even in threaded programs, therefore 0'ed. Will hopefully
+ * be implemented some day, since it enhances the efficiency of
+ * HWCryptoHook.
+ */
+ 0, /* sizeof(HWCryptoHook_CondVar), */
+ 0, /* hwcrhk_cv_init, */
+ 0, /* hwcrhk_cv_wait, */
+ 0, /* hwcrhk_cv_signal, */
+ 0, /* hwcrhk_cv_broadcast, */
+ 0, /* hwcrhk_cv_destroy, */
+
+ hwcrhk_get_pass, /* pass phrase */
+ hwcrhk_insert_card, /* insert a card */
+ hwcrhk_log_message /* Log message */
};
-
/* Now, to our own code */
-/* This internal function is used by ENGINE_chil() and possibly by the
- * "dynamic" ENGINE support too */
+/*
+ * This internal function is used by ENGINE_chil() 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
- const DH_METHOD *meth2;
-#endif
- if(!ENGINE_set_id(e, engine_hwcrhk_id) ||
- !ENGINE_set_name(e, engine_hwcrhk_name) ||
-#ifndef OPENSSL_NO_RSA
- !ENGINE_set_RSA(e, &hwcrhk_rsa) ||
-#endif
-#ifndef OPENSSL_NO_DH
- !ENGINE_set_DH(e, &hwcrhk_dh) ||
-#endif
- !ENGINE_set_RAND(e, &hwcrhk_rand) ||
- !ENGINE_set_destroy_function(e, hwcrhk_destroy) ||
- !ENGINE_set_init_function(e, hwcrhk_init) ||
- !ENGINE_set_finish_function(e, hwcrhk_finish) ||
- !ENGINE_set_ctrl_function(e, hwcrhk_ctrl) ||
- !ENGINE_set_load_privkey_function(e, hwcrhk_load_privkey) ||
- !ENGINE_set_load_pubkey_function(e, hwcrhk_load_pubkey) ||
- !ENGINE_set_cmd_defns(e, hwcrhk_cmd_defns))
- return 0;
-
-#ifndef OPENSSL_NO_RSA
- /* We know that the "PKCS1_SSLeay()" functions hook properly
- * to the cswift-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();
- hwcrhk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
- hwcrhk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
- hwcrhk_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
- hwcrhk_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
-#endif
-
-#ifndef OPENSSL_NO_DH
- /* Much the same for Diffie-Hellman */
- meth2 = DH_OpenSSL();
- hwcrhk_dh.generate_key = meth2->generate_key;
- hwcrhk_dh.compute_key = meth2->compute_key;
-#endif
-
- /* Ensure the hwcrhk error handling is set up */
- ERR_load_HWCRHK_strings();
- return 1;
- }
-
-#ifdef OPENSSL_NO_DYNAMIC_ENGINE
+{
+# ifndef OPENSSL_NO_RSA
+ const RSA_METHOD *meth1;
+# endif
+# ifndef OPENSSL_NO_DH
+ const DH_METHOD *meth2;
+# endif
+ if (!ENGINE_set_id(e, engine_hwcrhk_id) ||
+ !ENGINE_set_name(e, engine_hwcrhk_name) ||
+# ifndef OPENSSL_NO_RSA
+ !ENGINE_set_RSA(e, &hwcrhk_rsa) ||
+# endif
+# ifndef OPENSSL_NO_DH
+ !ENGINE_set_DH(e, &hwcrhk_dh) ||
+# endif
+ !ENGINE_set_RAND(e, &hwcrhk_rand) ||
+ !ENGINE_set_destroy_function(e, hwcrhk_destroy) ||
+ !ENGINE_set_init_function(e, hwcrhk_init) ||
+ !ENGINE_set_finish_function(e, hwcrhk_finish) ||
+ !ENGINE_set_ctrl_function(e, hwcrhk_ctrl) ||
+ !ENGINE_set_load_privkey_function(e, hwcrhk_load_privkey) ||
+ !ENGINE_set_load_pubkey_function(e, hwcrhk_load_pubkey) ||
+ !ENGINE_set_cmd_defns(e, hwcrhk_cmd_defns))
+ return 0;
+
+# ifndef OPENSSL_NO_RSA
+ /*
+ * We know that the "PKCS1_SSLeay()" functions hook properly to the
+ * cswift-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();
+ hwcrhk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
+ hwcrhk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
+ hwcrhk_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
+ hwcrhk_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
+# endif
+
+# ifndef OPENSSL_NO_DH
+ /* Much the same for Diffie-Hellman */
+ meth2 = DH_OpenSSL();
+ hwcrhk_dh.generate_key = meth2->generate_key;
+ hwcrhk_dh.compute_key = meth2->compute_key;
+# endif
+
+ /* Ensure the hwcrhk error handling is set up */
+ ERR_load_HWCRHK_strings();
+ return 1;
+}
+
+# ifdef OPENSSL_NO_DYNAMIC_ENGINE
static ENGINE *engine_chil(void)
- {
- ENGINE *ret = ENGINE_new();
- if(!ret)
- return NULL;
- if(!bind_helper(ret))
- {
- ENGINE_free(ret);
- return NULL;
- }
- return ret;
- }
+{
+ ENGINE *ret = ENGINE_new();
+ if (!ret)
+ return NULL;
+ if (!bind_helper(ret)) {
+ ENGINE_free(ret);
+ return NULL;
+ }
+ return ret;
+}
void ENGINE_load_chil(void)
- {
- /* Copied from eng_[openssl|dyn].c */
- ENGINE *toadd = engine_chil();
- 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 HWCryptoHook 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. */
+{
+ /* Copied from eng_[openssl|dyn].c */
+ ENGINE *toadd = engine_chil();
+ 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
+ * HWCryptoHook 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 *hwcrhk_dso = NULL;
static HWCryptoHook_ContextHandle hwcrhk_context = 0;
-#ifndef OPENSSL_NO_RSA
-static int hndidx_rsa = -1; /* Index for KM handle. Not really used yet. */
-#endif
-
-/* These are the function pointers that are (un)set when the library has
- * successfully (un)loaded. */
+# ifndef OPENSSL_NO_RSA
+/* Index for KM handle. Not really used yet. */
+static int hndidx_rsa = -1;
+# endif
+
+/*
+ * These are the function pointers that are (un)set when the library has
+ * successfully (un)loaded.
+ */
static HWCryptoHook_Init_t *p_hwcrhk_Init = NULL;
static HWCryptoHook_Finish_t *p_hwcrhk_Finish = NULL;
static HWCryptoHook_ModExp_t *p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
static HWCryptoHook_RSA_t *p_hwcrhk_RSA = NULL;
-#endif
+# endif
static HWCryptoHook_RandomBytes_t *p_hwcrhk_RandomBytes = NULL;
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
static HWCryptoHook_RSALoadKey_t *p_hwcrhk_RSALoadKey = NULL;
static HWCryptoHook_RSAGetPublicKey_t *p_hwcrhk_RSAGetPublicKey = NULL;
static HWCryptoHook_RSAUnloadKey_t *p_hwcrhk_RSAUnloadKey = NULL;
-#endif
+# endif
static HWCryptoHook_ModExpCRT_t *p_hwcrhk_ModExpCRT = NULL;
/* Used in the DSO operations. */
static const char *HWCRHK_LIBNAME = NULL;
static void free_HWCRHK_LIBNAME(void)
- {
- if(HWCRHK_LIBNAME)
- OPENSSL_free((void*)HWCRHK_LIBNAME);
- HWCRHK_LIBNAME = NULL;
- }
+{
+ if (HWCRHK_LIBNAME)
+ OPENSSL_free((void *)HWCRHK_LIBNAME);
+ HWCRHK_LIBNAME = NULL;
+}
+
static const char *get_HWCRHK_LIBNAME(void)
- {
- if(HWCRHK_LIBNAME)
- return HWCRHK_LIBNAME;
- return "nfhwcrhk";
- }
+{
+ if (HWCRHK_LIBNAME)
+ return HWCRHK_LIBNAME;
+ return "nfhwcrhk";
+}
+
static long set_HWCRHK_LIBNAME(const char *name)
- {
- free_HWCRHK_LIBNAME();
- return (((HWCRHK_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
- }
+{
+ free_HWCRHK_LIBNAME();
+ return (((HWCRHK_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
+}
+
static const char *n_hwcrhk_Init = "HWCryptoHook_Init";
static const char *n_hwcrhk_Finish = "HWCryptoHook_Finish";
static const char *n_hwcrhk_ModExp = "HWCryptoHook_ModExp";
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
static const char *n_hwcrhk_RSA = "HWCryptoHook_RSA";
-#endif
+# endif
static const char *n_hwcrhk_RandomBytes = "HWCryptoHook_RandomBytes";
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
static const char *n_hwcrhk_RSALoadKey = "HWCryptoHook_RSALoadKey";
static const char *n_hwcrhk_RSAGetPublicKey = "HWCryptoHook_RSAGetPublicKey";
static const char *n_hwcrhk_RSAUnloadKey = "HWCryptoHook_RSAUnloadKey";
-#endif
+# endif
static const char *n_hwcrhk_ModExpCRT = "HWCryptoHook_ModExpCRT";
-/* HWCryptoHook library functions and mechanics - these are used by the
- * higher-level functions further down. NB: As and where there's no
- * error checking, take a look lower down where these functions are
- * called, the checking and error handling is probably down there. */
+/*
+ * HWCryptoHook library functions and mechanics - these are used by the
+ * higher-level functions further down. NB: As and where there's no error
+ * checking, take a look lower down where these functions are called, the
+ * checking and error handling is probably down there.
+ */
/* utility function to obtain a context */
-static int get_context(HWCryptoHook_ContextHandle *hac,
- HWCryptoHook_CallerContext *cac)
- {
- char tempbuf[1024];
- HWCryptoHook_ErrMsgBuf rmsg;
-
- rmsg.buf = tempbuf;
- rmsg.size = sizeof(tempbuf);
-
- *hac = p_hwcrhk_Init(&hwcrhk_globals, sizeof(hwcrhk_globals), &rmsg,
- cac);
- if (!*hac)
- return 0;
- return 1;
- }
-
+static int get_context(HWCryptoHook_ContextHandle * hac,
+ HWCryptoHook_CallerContext * cac)
+{
+ char tempbuf[1024];
+ HWCryptoHook_ErrMsgBuf rmsg;
+
+ rmsg.buf = tempbuf;
+ rmsg.size = sizeof(tempbuf);
+
+ *hac = p_hwcrhk_Init(&hwcrhk_globals, sizeof(hwcrhk_globals), &rmsg, cac);
+ if (!*hac)
+ return 0;
+ return 1;
+}
+
/* similarly to release one. */
static void release_context(HWCryptoHook_ContextHandle hac)
- {
- p_hwcrhk_Finish(hac);
- }
+{
+ p_hwcrhk_Finish(hac);
+}
/* Destructor (complements the "ENGINE_chil()" constructor) */
static int hwcrhk_destroy(ENGINE *e)
- {
- free_HWCRHK_LIBNAME();
- ERR_unload_HWCRHK_strings();
- return 1;
- }
+{
+ free_HWCRHK_LIBNAME();
+ ERR_unload_HWCRHK_strings();
+ return 1;
+}
/* (de)initialisation functions. */
static int hwcrhk_init(ENGINE *e)
- {
- HWCryptoHook_Init_t *p1;
- HWCryptoHook_Finish_t *p2;
- HWCryptoHook_ModExp_t *p3;
-#ifndef OPENSSL_NO_RSA
- HWCryptoHook_RSA_t *p4;
- HWCryptoHook_RSALoadKey_t *p5;
- HWCryptoHook_RSAGetPublicKey_t *p6;
- HWCryptoHook_RSAUnloadKey_t *p7;
-#endif
- HWCryptoHook_RandomBytes_t *p8;
- HWCryptoHook_ModExpCRT_t *p9;
-
- if(hwcrhk_dso != NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_ALREADY_LOADED);
- goto err;
- }
- /* Attempt to load libnfhwcrhk.so/nfhwcrhk.dll/whatever. */
- hwcrhk_dso = DSO_load(NULL, get_HWCRHK_LIBNAME(), NULL, 0);
- if(hwcrhk_dso == NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_DSO_FAILURE);
- goto err;
- }
- if(!(p1 = (HWCryptoHook_Init_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_Init)) ||
- !(p2 = (HWCryptoHook_Finish_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_Finish)) ||
- !(p3 = (HWCryptoHook_ModExp_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExp)) ||
-#ifndef OPENSSL_NO_RSA
- !(p4 = (HWCryptoHook_RSA_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSA)) ||
- !(p5 = (HWCryptoHook_RSALoadKey_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSALoadKey)) ||
- !(p6 = (HWCryptoHook_RSAGetPublicKey_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAGetPublicKey)) ||
- !(p7 = (HWCryptoHook_RSAUnloadKey_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAUnloadKey)) ||
-#endif
- !(p8 = (HWCryptoHook_RandomBytes_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_RandomBytes)) ||
- !(p9 = (HWCryptoHook_ModExpCRT_t *)
- DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExpCRT)))
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_DSO_FAILURE);
- goto err;
- }
- /* Copy the pointers */
- p_hwcrhk_Init = p1;
- p_hwcrhk_Finish = p2;
- p_hwcrhk_ModExp = p3;
-#ifndef OPENSSL_NO_RSA
- p_hwcrhk_RSA = p4;
- p_hwcrhk_RSALoadKey = p5;
- p_hwcrhk_RSAGetPublicKey = p6;
- p_hwcrhk_RSAUnloadKey = p7;
-#endif
- p_hwcrhk_RandomBytes = p8;
- p_hwcrhk_ModExpCRT = p9;
-
- /* Check if the application decided to support dynamic locks,
- and if it does, use them. */
- if (disable_mutex_callbacks == 0)
- {
- if (CRYPTO_get_dynlock_create_callback() != NULL &&
- CRYPTO_get_dynlock_lock_callback() != NULL &&
- CRYPTO_get_dynlock_destroy_callback() != NULL)
- {
- hwcrhk_globals.mutex_init = hwcrhk_mutex_init;
- hwcrhk_globals.mutex_acquire = hwcrhk_mutex_lock;
- hwcrhk_globals.mutex_release = hwcrhk_mutex_unlock;
- hwcrhk_globals.mutex_destroy = hwcrhk_mutex_destroy;
- }
- }
-
- /* Try and get a context - if not, we may have a DSO but no
- * accelerator! */
- if(!get_context(&hwcrhk_context, &password_context))
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_INIT,HWCRHK_R_UNIT_FAILURE);
- goto err;
- }
- /* Everything's fine. */
-#ifndef OPENSSL_NO_RSA
- if (hndidx_rsa == -1)
- hndidx_rsa = RSA_get_ex_new_index(0,
- "nFast HWCryptoHook RSA key handle",
- NULL, NULL, NULL);
-#endif
- return 1;
-err:
- if(hwcrhk_dso)
- DSO_free(hwcrhk_dso);
- hwcrhk_dso = NULL;
- p_hwcrhk_Init = NULL;
- p_hwcrhk_Finish = NULL;
- p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
- p_hwcrhk_RSA = NULL;
- p_hwcrhk_RSALoadKey = NULL;
- p_hwcrhk_RSAGetPublicKey = NULL;
- p_hwcrhk_RSAUnloadKey = NULL;
-#endif
- p_hwcrhk_ModExpCRT = NULL;
- p_hwcrhk_RandomBytes = NULL;
- return 0;
- }
+{
+ HWCryptoHook_Init_t *p1;
+ HWCryptoHook_Finish_t *p2;
+ HWCryptoHook_ModExp_t *p3;
+# ifndef OPENSSL_NO_RSA
+ HWCryptoHook_RSA_t *p4;
+ HWCryptoHook_RSALoadKey_t *p5;
+ HWCryptoHook_RSAGetPublicKey_t *p6;
+ HWCryptoHook_RSAUnloadKey_t *p7;
+# endif
+ HWCryptoHook_RandomBytes_t *p8;
+ HWCryptoHook_ModExpCRT_t *p9;
+
+ if (hwcrhk_dso != NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_INIT, HWCRHK_R_ALREADY_LOADED);
+ goto err;
+ }
+ /* Attempt to load libnfhwcrhk.so/nfhwcrhk.dll/whatever. */
+ hwcrhk_dso = DSO_load(NULL, get_HWCRHK_LIBNAME(), NULL, 0);
+ if (hwcrhk_dso == NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_INIT, HWCRHK_R_DSO_FAILURE);
+ goto err;
+ }
+ if (!(p1 = (HWCryptoHook_Init_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_Init)) ||
+ !(p2 = (HWCryptoHook_Finish_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_Finish)) ||
+ !(p3 = (HWCryptoHook_ModExp_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExp)) ||
+# ifndef OPENSSL_NO_RSA
+ !(p4 = (HWCryptoHook_RSA_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSA)) ||
+ !(p5 = (HWCryptoHook_RSALoadKey_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSALoadKey)) ||
+ !(p6 = (HWCryptoHook_RSAGetPublicKey_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAGetPublicKey)) ||
+ !(p7 = (HWCryptoHook_RSAUnloadKey_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_RSAUnloadKey)) ||
+# endif
+ !(p8 = (HWCryptoHook_RandomBytes_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_RandomBytes)) ||
+ !(p9 = (HWCryptoHook_ModExpCRT_t *)
+ DSO_bind_func(hwcrhk_dso, n_hwcrhk_ModExpCRT))) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_INIT, HWCRHK_R_DSO_FAILURE);
+ goto err;
+ }
+ /* Copy the pointers */
+ p_hwcrhk_Init = p1;
+ p_hwcrhk_Finish = p2;
+ p_hwcrhk_ModExp = p3;
+# ifndef OPENSSL_NO_RSA
+ p_hwcrhk_RSA = p4;
+ p_hwcrhk_RSALoadKey = p5;
+ p_hwcrhk_RSAGetPublicKey = p6;
+ p_hwcrhk_RSAUnloadKey = p7;
+# endif
+ p_hwcrhk_RandomBytes = p8;
+ p_hwcrhk_ModExpCRT = p9;
+
+ /*
+ * Check if the application decided to support dynamic locks, and if it
+ * does, use them.
+ */
+ if (disable_mutex_callbacks == 0) {
+ if (CRYPTO_get_dynlock_create_callback() != NULL &&
+ CRYPTO_get_dynlock_lock_callback() != NULL &&
+ CRYPTO_get_dynlock_destroy_callback() != NULL) {
+ hwcrhk_globals.mutex_init = hwcrhk_mutex_init;
+ hwcrhk_globals.mutex_acquire = hwcrhk_mutex_lock;
+ hwcrhk_globals.mutex_release = hwcrhk_mutex_unlock;
+ hwcrhk_globals.mutex_destroy = hwcrhk_mutex_destroy;
+ }
+ }
+
+ /*
+ * Try and get a context - if not, we may have a DSO but no accelerator!
+ */
+ if (!get_context(&hwcrhk_context, &password_context)) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_INIT, HWCRHK_R_UNIT_FAILURE);
+ goto err;
+ }
+ /* Everything's fine. */
+# ifndef OPENSSL_NO_RSA
+ if (hndidx_rsa == -1)
+ hndidx_rsa = RSA_get_ex_new_index(0,
+ "nFast HWCryptoHook RSA key handle",
+ NULL, NULL, NULL);
+# endif
+ return 1;
+ err:
+ if (hwcrhk_dso)
+ DSO_free(hwcrhk_dso);
+ hwcrhk_dso = NULL;
+ p_hwcrhk_Init = NULL;
+ p_hwcrhk_Finish = NULL;
+ p_hwcrhk_ModExp = NULL;
+# ifndef OPENSSL_NO_RSA
+ p_hwcrhk_RSA = NULL;
+ p_hwcrhk_RSALoadKey = NULL;
+ p_hwcrhk_RSAGetPublicKey = NULL;
+ p_hwcrhk_RSAUnloadKey = NULL;
+# endif
+ p_hwcrhk_ModExpCRT = NULL;
+ p_hwcrhk_RandomBytes = NULL;
+ return 0;
+}
static int hwcrhk_finish(ENGINE *e)
- {
- int to_return = 1;
- free_HWCRHK_LIBNAME();
- if(hwcrhk_dso == NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_FINISH,HWCRHK_R_NOT_LOADED);
- to_return = 0;
- goto err;
- }
- release_context(hwcrhk_context);
- if(!DSO_free(hwcrhk_dso))
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_FINISH,HWCRHK_R_DSO_FAILURE);
- to_return = 0;
- goto err;
- }
+{
+ int to_return = 1;
+ free_HWCRHK_LIBNAME();
+ if (hwcrhk_dso == NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_FINISH, HWCRHK_R_NOT_LOADED);
+ to_return = 0;
+ goto err;
+ }
+ release_context(hwcrhk_context);
+ if (!DSO_free(hwcrhk_dso)) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_FINISH, HWCRHK_R_DSO_FAILURE);
+ to_return = 0;
+ goto err;
+ }
err:
- if (logstream)
- BIO_free(logstream);
- hwcrhk_dso = NULL;
- p_hwcrhk_Init = NULL;
- p_hwcrhk_Finish = NULL;
- p_hwcrhk_ModExp = NULL;
-#ifndef OPENSSL_NO_RSA
- p_hwcrhk_RSA = NULL;
- p_hwcrhk_RSALoadKey = NULL;
- p_hwcrhk_RSAGetPublicKey = NULL;
- p_hwcrhk_RSAUnloadKey = NULL;
-#endif
- p_hwcrhk_ModExpCRT = NULL;
- p_hwcrhk_RandomBytes = NULL;
- return to_return;
- }
-
-static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
- {
- int to_return = 1;
-
- switch(cmd)
- {
- case HWCRHK_CMD_SO_PATH:
- if(hwcrhk_dso)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,HWCRHK_R_ALREADY_LOADED);
- return 0;
- }
- if(p == NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- return set_HWCRHK_LIBNAME((const char *)p);
- case ENGINE_CTRL_SET_LOGSTREAM:
- {
- BIO *bio = (BIO *)p;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- if (logstream)
- {
- BIO_free(logstream);
- logstream = NULL;
- }
- if (CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO) > 1)
- logstream = bio;
- else
- HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,HWCRHK_R_BIO_WAS_FREED);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- case ENGINE_CTRL_SET_PASSWORD_CALLBACK:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- password_context.password_callback = (pem_password_cb *)f;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- case ENGINE_CTRL_SET_USER_INTERFACE:
- case HWCRHK_CMD_SET_USER_INTERFACE:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- password_context.ui_method = (UI_METHOD *)p;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- case ENGINE_CTRL_SET_CALLBACK_DATA:
- case HWCRHK_CMD_SET_CALLBACK_DATA:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- password_context.callback_data = p;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- /* this enables or disables the "SimpleForkCheck" flag used in the
- * initialisation structure. */
- case ENGINE_CTRL_CHIL_SET_FORKCHECK:
- case HWCRHK_CMD_FORK_CHECK:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- if(i)
- hwcrhk_globals.flags |=
- HWCryptoHook_InitFlags_SimpleForkCheck;
- else
- hwcrhk_globals.flags &=
- ~HWCryptoHook_InitFlags_SimpleForkCheck;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- /* This will prevent the initialisation function from "installing"
- * the mutex-handling callbacks, even if they are available from
- * within the library (or were provided to the library from the
- * calling application). This is to remove any baggage for
- * applications not using multithreading. */
- case ENGINE_CTRL_CHIL_NO_LOCKING:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- disable_mutex_callbacks = 1;
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
- case HWCRHK_CMD_THREAD_LOCKING:
- CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
- disable_mutex_callbacks = ((i == 0) ? 0 : 1);
- CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
- break;
-
- /* The command isn't understood by this engine */
- default:
- HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,
- HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
- to_return = 0;
- break;
- }
-
- return to_return;
- }
+ if (logstream)
+ BIO_free(logstream);
+ hwcrhk_dso = NULL;
+ p_hwcrhk_Init = NULL;
+ p_hwcrhk_Finish = NULL;
+ p_hwcrhk_ModExp = NULL;
+# ifndef OPENSSL_NO_RSA
+ p_hwcrhk_RSA = NULL;
+ p_hwcrhk_RSALoadKey = NULL;
+ p_hwcrhk_RSAGetPublicKey = NULL;
+ p_hwcrhk_RSAUnloadKey = NULL;
+# endif
+ p_hwcrhk_ModExpCRT = NULL;
+ p_hwcrhk_RandomBytes = NULL;
+ return to_return;
+}
+
+static int hwcrhk_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
+{
+ int to_return = 1;
+
+ switch (cmd) {
+ case HWCRHK_CMD_SO_PATH:
+ if (hwcrhk_dso) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_CTRL, HWCRHK_R_ALREADY_LOADED);
+ return 0;
+ }
+ if (p == NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+ return set_HWCRHK_LIBNAME((const char *)p);
+ case ENGINE_CTRL_SET_LOGSTREAM:
+ {
+ BIO *bio = (BIO *)p;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ if (logstream) {
+ BIO_free(logstream);
+ logstream = NULL;
+ }
+ if (CRYPTO_add(&bio->references, 1, CRYPTO_LOCK_BIO) > 1)
+ logstream = bio;
+ else
+ HWCRHKerr(HWCRHK_F_HWCRHK_CTRL, HWCRHK_R_BIO_WAS_FREED);
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ case ENGINE_CTRL_SET_PASSWORD_CALLBACK:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ password_context.password_callback = (pem_password_cb *)f;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ case ENGINE_CTRL_SET_USER_INTERFACE:
+ case HWCRHK_CMD_SET_USER_INTERFACE:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ password_context.ui_method = (UI_METHOD *)p;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ case ENGINE_CTRL_SET_CALLBACK_DATA:
+ case HWCRHK_CMD_SET_CALLBACK_DATA:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ password_context.callback_data = p;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ /*
+ * this enables or disables the "SimpleForkCheck" flag used in the
+ * initialisation structure.
+ */
+ case ENGINE_CTRL_CHIL_SET_FORKCHECK:
+ case HWCRHK_CMD_FORK_CHECK:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ if (i)
+ hwcrhk_globals.flags |= HWCryptoHook_InitFlags_SimpleForkCheck;
+ else
+ hwcrhk_globals.flags &= ~HWCryptoHook_InitFlags_SimpleForkCheck;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ /*
+ * This will prevent the initialisation function from "installing"
+ * the mutex-handling callbacks, even if they are available from
+ * within the library (or were provided to the library from the
+ * calling application). This is to remove any baggage for
+ * applications not using multithreading.
+ */
+ case ENGINE_CTRL_CHIL_NO_LOCKING:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ disable_mutex_callbacks = 1;
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+ case HWCRHK_CMD_THREAD_LOCKING:
+ CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+ disable_mutex_callbacks = ((i == 0) ? 0 : 1);
+ CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+ break;
+
+ /* The command isn't understood by this engine */
+ default:
+ HWCRHKerr(HWCRHK_F_HWCRHK_CTRL,
+ HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+ to_return = 0;
+ break;
+ }
+
+ return to_return;
+}
static EVP_PKEY *hwcrhk_load_privkey(ENGINE *eng, const char *key_id,
- UI_METHOD *ui_method, void *callback_data)
- {
-#ifndef OPENSSL_NO_RSA
- RSA *rtmp = NULL;
-#endif
- EVP_PKEY *res = NULL;
-#ifndef OPENSSL_NO_RSA
- HWCryptoHook_MPI e, n;
- HWCryptoHook_RSAKeyHandle *hptr;
-#endif
-#if !defined(OPENSSL_NO_RSA)
- char tempbuf[1024];
- HWCryptoHook_ErrMsgBuf rmsg;
- HWCryptoHook_PassphraseContext ppctx;
-#endif
-
-#if !defined(OPENSSL_NO_RSA)
- rmsg.buf = tempbuf;
- rmsg.size = sizeof(tempbuf);
-#endif
-
- if(!hwcrhk_context)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- HWCRHK_R_NOT_INITIALISED);
- goto err;
- }
-#ifndef OPENSSL_NO_RSA
- hptr = OPENSSL_malloc(sizeof(HWCryptoHook_RSAKeyHandle));
- if (!hptr)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ppctx.ui_method = ui_method;
- ppctx.callback_data = callback_data;
- if (p_hwcrhk_RSALoadKey(hwcrhk_context, key_id, hptr,
- &rmsg, &ppctx))
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- HWCRHK_R_CHIL_ERROR);
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
- if (!*hptr)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- HWCRHK_R_NO_KEY);
- goto err;
- }
-#endif
-#ifndef OPENSSL_NO_RSA
- rtmp = RSA_new_method(eng);
- RSA_set_ex_data(rtmp, hndidx_rsa, (char *)hptr);
- rtmp->e = BN_new();
- rtmp->n = BN_new();
- rtmp->flags |= RSA_FLAG_EXT_PKEY;
- MPI2BN(rtmp->e, e);
- MPI2BN(rtmp->n, n);
- if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)
- != HWCRYPTOHOOK_ERROR_MPISIZE)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,HWCRHK_R_CHIL_ERROR);
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
-
- bn_expand2(rtmp->e, e.size/sizeof(BN_ULONG));
- bn_expand2(rtmp->n, n.size/sizeof(BN_ULONG));
- MPI2BN(rtmp->e, e);
- MPI2BN(rtmp->n, n);
-
- if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg))
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- HWCRHK_R_CHIL_ERROR);
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
- rtmp->e->top = e.size / sizeof(BN_ULONG);
- bn_fix_top(rtmp->e);
- rtmp->n->top = n.size / sizeof(BN_ULONG);
- bn_fix_top(rtmp->n);
-
- res = EVP_PKEY_new();
- EVP_PKEY_assign_RSA(res, rtmp);
-#endif
-
- if (!res)
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
- HWCRHK_R_PRIVATE_KEY_ALGORITHMS_DISABLED);
-
- return res;
+ UI_METHOD *ui_method,
+ void *callback_data)
+{
+# ifndef OPENSSL_NO_RSA
+ RSA *rtmp = NULL;
+# endif
+ EVP_PKEY *res = NULL;
+# ifndef OPENSSL_NO_RSA
+ HWCryptoHook_MPI e, n;
+ HWCryptoHook_RSAKeyHandle *hptr;
+# endif
+# if !defined(OPENSSL_NO_RSA)
+ char tempbuf[1024];
+ HWCryptoHook_ErrMsgBuf rmsg;
+ HWCryptoHook_PassphraseContext ppctx;
+# endif
+
+# if !defined(OPENSSL_NO_RSA)
+ rmsg.buf = tempbuf;
+ rmsg.size = sizeof(tempbuf);
+# endif
+
+ if (!hwcrhk_context) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, HWCRHK_R_NOT_INITIALISED);
+ goto err;
+ }
+# ifndef OPENSSL_NO_RSA
+ hptr = OPENSSL_malloc(sizeof(HWCryptoHook_RSAKeyHandle));
+ if (!hptr) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ ppctx.ui_method = ui_method;
+ ppctx.callback_data = callback_data;
+ if (p_hwcrhk_RSALoadKey(hwcrhk_context, key_id, hptr, &rmsg, &ppctx)) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, HWCRHK_R_CHIL_ERROR);
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+ if (!*hptr) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, HWCRHK_R_NO_KEY);
+ goto err;
+ }
+# endif
+# ifndef OPENSSL_NO_RSA
+ rtmp = RSA_new_method(eng);
+ RSA_set_ex_data(rtmp, hndidx_rsa, (char *)hptr);
+ rtmp->e = BN_new();
+ rtmp->n = BN_new();
+ rtmp->flags |= RSA_FLAG_EXT_PKEY;
+ MPI2BN(rtmp->e, e);
+ MPI2BN(rtmp->n, n);
+ if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)
+ != HWCRYPTOHOOK_ERROR_MPISIZE) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, HWCRHK_R_CHIL_ERROR);
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+
+ bn_expand2(rtmp->e, e.size / sizeof(BN_ULONG));
+ bn_expand2(rtmp->n, n.size / sizeof(BN_ULONG));
+ MPI2BN(rtmp->e, e);
+ MPI2BN(rtmp->n, n);
+
+ if (p_hwcrhk_RSAGetPublicKey(*hptr, &n, &e, &rmsg)) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY, HWCRHK_R_CHIL_ERROR);
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+ rtmp->e->top = e.size / sizeof(BN_ULONG);
+ bn_fix_top(rtmp->e);
+ rtmp->n->top = n.size / sizeof(BN_ULONG);
+ bn_fix_top(rtmp->n);
+
+ res = EVP_PKEY_new();
+ EVP_PKEY_assign_RSA(res, rtmp);
+# endif
+
+ if (!res)
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PRIVKEY,
+ HWCRHK_R_PRIVATE_KEY_ALGORITHMS_DISABLED);
+
+ return res;
err:
-#ifndef OPENSSL_NO_RSA
- if (rtmp)
- RSA_free(rtmp);
-#endif
- return NULL;
- }
+# ifndef OPENSSL_NO_RSA
+ if (rtmp)
+ RSA_free(rtmp);
+# endif
+ return NULL;
+}
static EVP_PKEY *hwcrhk_load_pubkey(ENGINE *eng, const char *key_id,
- UI_METHOD *ui_method, void *callback_data)
- {
- EVP_PKEY *res = NULL;
-
-#ifndef OPENSSL_NO_RSA
- res = hwcrhk_load_privkey(eng, key_id,
- ui_method, callback_data);
-#endif
-
- if (res)
- switch(res->type)
- {
-#ifndef OPENSSL_NO_RSA
- case EVP_PKEY_RSA:
- {
- RSA *rsa = NULL;
-
- CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);
- rsa = res->pkey.rsa;
- res->pkey.rsa = RSA_new();
- res->pkey.rsa->n = rsa->n;
- res->pkey.rsa->e = rsa->e;
- rsa->n = NULL;
- rsa->e = NULL;
- CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);
- RSA_free(rsa);
- }
- break;
-#endif
- default:
- HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,
- HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
- goto err;
- }
-
- return res;
+ UI_METHOD *ui_method, void *callback_data)
+{
+ EVP_PKEY *res = NULL;
+
+# ifndef OPENSSL_NO_RSA
+ res = hwcrhk_load_privkey(eng, key_id, ui_method, callback_data);
+# endif
+
+ if (res)
+ switch (res->type) {
+# ifndef OPENSSL_NO_RSA
+ case EVP_PKEY_RSA:
+ {
+ RSA *rsa = NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_EVP_PKEY);
+ rsa = res->pkey.rsa;
+ res->pkey.rsa = RSA_new();
+ res->pkey.rsa->n = rsa->n;
+ res->pkey.rsa->e = rsa->e;
+ rsa->n = NULL;
+ rsa->e = NULL;
+ CRYPTO_w_unlock(CRYPTO_LOCK_EVP_PKEY);
+ RSA_free(rsa);
+ }
+ break;
+# endif
+ default:
+ HWCRHKerr(HWCRHK_F_HWCRHK_LOAD_PUBKEY,
+ HWCRHK_R_CTRL_COMMAND_NOT_IMPLEMENTED);
+ goto err;
+ }
+
+ return res;
err:
- if (res)
- EVP_PKEY_free(res);
- return NULL;
- }
+ if (res)
+ EVP_PKEY_free(res);
+ return NULL;
+}
/* A little mod_exp */
static int hwcrhk_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx)
- {
- char tempbuf[1024];
- HWCryptoHook_ErrMsgBuf rmsg;
- /* Since HWCryptoHook_MPI is pretty compatible with BIGNUM's,
- we use them directly, plus a little macro magic. We only
- thing we need to make sure of is that enough space is allocated. */
- HWCryptoHook_MPI m_a, m_p, m_n, m_r;
- int to_return, ret;
-
- to_return = 0; /* expect failure */
- rmsg.buf = tempbuf;
- rmsg.size = sizeof(tempbuf);
-
- if(!hwcrhk_context)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_NOT_INITIALISED);
- goto err;
- }
- /* Prepare the params */
- bn_expand2(r, m->top); /* Check for error !! */
- BN2MPI(m_a, a);
- BN2MPI(m_p, p);
- BN2MPI(m_n, m);
- MPI2BN(r, m_r);
-
- /* Perform the operation */
- ret = p_hwcrhk_ModExp(hwcrhk_context, m_a, m_p, m_n, &m_r, &rmsg);
-
- /* Convert the response */
- r->top = m_r.size / sizeof(BN_ULONG);
- bn_fix_top(r);
-
- if (ret < 0)
- {
- /* FIXME: When this error is returned, HWCryptoHook is
- telling us that falling back to software computation
- might be a good thing. */
- if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_REQUEST_FALLBACK);
- }
- else
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP,HWCRHK_R_REQUEST_FAILED);
- }
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
-
- to_return = 1;
-err:
- return to_return;
- }
-
-#ifndef OPENSSL_NO_RSA
-static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa, BN_CTX *ctx)
- {
- char tempbuf[1024];
- HWCryptoHook_ErrMsgBuf rmsg;
- HWCryptoHook_RSAKeyHandle *hptr;
- int to_return = 0, ret;
-
- rmsg.buf = tempbuf;
- rmsg.size = sizeof(tempbuf);
-
- if(!hwcrhk_context)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,HWCRHK_R_NOT_INITIALISED);
- goto err;
- }
-
- /* This provides support for nForce keys. Since that's opaque data
- all we do is provide a handle to the proper key and let HWCryptoHook
- take care of the rest. */
- if ((hptr = (HWCryptoHook_RSAKeyHandle *) RSA_get_ex_data(rsa, hndidx_rsa))
- != NULL)
- {
- HWCryptoHook_MPI m_a, m_r;
-
- if(!rsa->n)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_MISSING_KEY_COMPONENTS);
- goto err;
- }
-
- /* Prepare the params */
- bn_expand2(r, rsa->n->top); /* Check for error !! */
- BN2MPI(m_a, I);
- MPI2BN(r, m_r);
-
- /* Perform the operation */
- ret = p_hwcrhk_RSA(m_a, *hptr, &m_r, &rmsg);
-
- /* Convert the response */
- r->top = m_r.size / sizeof(BN_ULONG);
- bn_fix_top(r);
-
- if (ret < 0)
- {
- /* FIXME: When this error is returned, HWCryptoHook is
- telling us that falling back to software computation
- might be a good thing. */
- if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_REQUEST_FALLBACK);
- }
- else
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_REQUEST_FAILED);
- }
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
- }
- else
- {
- HWCryptoHook_MPI m_a, m_p, m_q, m_dmp1, m_dmq1, m_iqmp, m_r;
-
- if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_MISSING_KEY_COMPONENTS);
- goto err;
- }
-
- /* Prepare the params */
- bn_expand2(r, rsa->n->top); /* Check for error !! */
- BN2MPI(m_a, I);
- BN2MPI(m_p, rsa->p);
- BN2MPI(m_q, rsa->q);
- BN2MPI(m_dmp1, rsa->dmp1);
- BN2MPI(m_dmq1, rsa->dmq1);
- BN2MPI(m_iqmp, rsa->iqmp);
- MPI2BN(r, m_r);
-
- /* Perform the operation */
- ret = p_hwcrhk_ModExpCRT(hwcrhk_context, m_a, m_p, m_q,
- m_dmp1, m_dmq1, m_iqmp, &m_r, &rmsg);
-
- /* Convert the response */
- r->top = m_r.size / sizeof(BN_ULONG);
- bn_fix_top(r);
-
- if (ret < 0)
- {
- /* FIXME: When this error is returned, HWCryptoHook is
- telling us that falling back to software computation
- might be a good thing. */
- if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_REQUEST_FALLBACK);
- }
- else
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
- HWCRHK_R_REQUEST_FAILED);
- }
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
- }
- /* If we're here, we must be here with some semblance of success :-) */
- to_return = 1;
-err:
- return to_return;
- }
-#endif
+ const BIGNUM *m, BN_CTX *ctx)
+{
+ char tempbuf[1024];
+ HWCryptoHook_ErrMsgBuf rmsg;
+ /*
+ * Since HWCryptoHook_MPI is pretty compatible with BIGNUM's, we use them
+ * directly, plus a little macro magic. We only thing we need to make
+ * sure of is that enough space is allocated.
+ */
+ HWCryptoHook_MPI m_a, m_p, m_n, m_r;
+ int to_return, ret;
+
+ to_return = 0; /* expect failure */
+ rmsg.buf = tempbuf;
+ rmsg.size = sizeof(tempbuf);
+
+ if (!hwcrhk_context) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP, HWCRHK_R_NOT_INITIALISED);
+ goto err;
+ }
+ /* Prepare the params */
+ bn_expand2(r, m->top); /* Check for error !! */
+ BN2MPI(m_a, a);
+ BN2MPI(m_p, p);
+ BN2MPI(m_n, m);
+ MPI2BN(r, m_r);
+
+ /* Perform the operation */
+ ret = p_hwcrhk_ModExp(hwcrhk_context, m_a, m_p, m_n, &m_r, &rmsg);
+
+ /* Convert the response */
+ r->top = m_r.size / sizeof(BN_ULONG);
+ bn_fix_top(r);
+
+ if (ret < 0) {
+ /*
+ * FIXME: When this error is returned, HWCryptoHook is telling us
+ * that falling back to software computation might be a good thing.
+ */
+ if (ret == HWCRYPTOHOOK_ERROR_FALLBACK) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP, HWCRHK_R_REQUEST_FALLBACK);
+ } else {
+ HWCRHKerr(HWCRHK_F_HWCRHK_MOD_EXP, HWCRHK_R_REQUEST_FAILED);
+ }
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+
+ to_return = 1;
+ err:
+ return to_return;
+}
+
+# ifndef OPENSSL_NO_RSA
+static int hwcrhk_rsa_mod_exp(BIGNUM *r, const BIGNUM *I, RSA *rsa,
+ BN_CTX *ctx)
+{
+ char tempbuf[1024];
+ HWCryptoHook_ErrMsgBuf rmsg;
+ HWCryptoHook_RSAKeyHandle *hptr;
+ int to_return = 0, ret;
+
+ rmsg.buf = tempbuf;
+ rmsg.size = sizeof(tempbuf);
+
+ if (!hwcrhk_context) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP, HWCRHK_R_NOT_INITIALISED);
+ goto err;
+ }
+
+ /*
+ * This provides support for nForce keys. Since that's opaque data all
+ * we do is provide a handle to the proper key and let HWCryptoHook take
+ * care of the rest.
+ */
+ if ((hptr =
+ (HWCryptoHook_RSAKeyHandle *) RSA_get_ex_data(rsa, hndidx_rsa))
+ != NULL) {
+ HWCryptoHook_MPI m_a, m_r;
+
+ if (!rsa->n) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_MISSING_KEY_COMPONENTS);
+ goto err;
+ }
+
+ /* Prepare the params */
+ bn_expand2(r, rsa->n->top); /* Check for error !! */
+ BN2MPI(m_a, I);
+ MPI2BN(r, m_r);
+
+ /* Perform the operation */
+ ret = p_hwcrhk_RSA(m_a, *hptr, &m_r, &rmsg);
+
+ /* Convert the response */
+ r->top = m_r.size / sizeof(BN_ULONG);
+ bn_fix_top(r);
+
+ if (ret < 0) {
+ /*
+ * FIXME: When this error is returned, HWCryptoHook is telling us
+ * that falling back to software computation might be a good
+ * thing.
+ */
+ if (ret == HWCRYPTOHOOK_ERROR_FALLBACK) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_REQUEST_FALLBACK);
+ } else {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_REQUEST_FAILED);
+ }
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+ } else {
+ HWCryptoHook_MPI m_a, m_p, m_q, m_dmp1, m_dmq1, m_iqmp, m_r;
+
+ if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_MISSING_KEY_COMPONENTS);
+ goto err;
+ }
+
+ /* Prepare the params */
+ bn_expand2(r, rsa->n->top); /* Check for error !! */
+ BN2MPI(m_a, I);
+ BN2MPI(m_p, rsa->p);
+ BN2MPI(m_q, rsa->q);
+ BN2MPI(m_dmp1, rsa->dmp1);
+ BN2MPI(m_dmq1, rsa->dmq1);
+ BN2MPI(m_iqmp, rsa->iqmp);
+ MPI2BN(r, m_r);
+
+ /* Perform the operation */
+ ret = p_hwcrhk_ModExpCRT(hwcrhk_context, m_a, m_p, m_q,
+ m_dmp1, m_dmq1, m_iqmp, &m_r, &rmsg);
+
+ /* Convert the response */
+ r->top = m_r.size / sizeof(BN_ULONG);
+ bn_fix_top(r);
+
+ if (ret < 0) {
+ /*
+ * FIXME: When this error is returned, HWCryptoHook is telling us
+ * that falling back to software computation might be a good
+ * thing.
+ */
+ if (ret == HWCRYPTOHOOK_ERROR_FALLBACK) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_REQUEST_FALLBACK);
+ } else {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RSA_MOD_EXP,
+ HWCRHK_R_REQUEST_FAILED);
+ }
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+ }
+ /*
+ * If we're here, we must be here with some semblance of success :-)
+ */
+ to_return = 1;
+ err:
+ return to_return;
+}
+# endif
-#ifndef OPENSSL_NO_RSA
+# ifndef OPENSSL_NO_RSA
/* This function is aliased to mod_exp (with the mont stuff dropped). */
static int hwcrhk_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
- const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
- {
- return hwcrhk_mod_exp(r, a, p, m, ctx);
- }
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx)
+{
+ return hwcrhk_mod_exp(r, a, p, m, ctx);
+}
static int hwcrhk_rsa_finish(RSA *rsa)
- {
- HWCryptoHook_RSAKeyHandle *hptr;
-
- hptr = RSA_get_ex_data(rsa, hndidx_rsa);
- if (hptr)
- {
- p_hwcrhk_RSAUnloadKey(*hptr, NULL);
- OPENSSL_free(hptr);
- RSA_set_ex_data(rsa, hndidx_rsa, NULL);
- }
- return 1;
- }
+{
+ HWCryptoHook_RSAKeyHandle *hptr;
-#endif
+ hptr = RSA_get_ex_data(rsa, hndidx_rsa);
+ if (hptr) {
+ p_hwcrhk_RSAUnloadKey(*hptr, NULL);
+ OPENSSL_free(hptr);
+ RSA_set_ex_data(rsa, hndidx_rsa, NULL);
+ }
+ return 1;
+}
-#ifndef OPENSSL_NO_DH
+# endif
+
+# ifndef OPENSSL_NO_DH
/* This function is aliased to mod_exp (with the dh and mont dropped). */
static int hwcrhk_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 hwcrhk_mod_exp(r, a, p, m, ctx);
- }
-#endif
+ const BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
+{
+ return hwcrhk_mod_exp(r, a, p, m, ctx);
+}
+# endif
/* Random bytes are good */
static int hwcrhk_rand_bytes(unsigned char *buf, int num)
- {
- char tempbuf[1024];
- HWCryptoHook_ErrMsgBuf rmsg;
- int to_return = 0; /* assume failure */
- int ret;
-
- rmsg.buf = tempbuf;
- rmsg.size = sizeof(tempbuf);
-
- if(!hwcrhk_context)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,HWCRHK_R_NOT_INITIALISED);
- goto err;
- }
-
- ret = p_hwcrhk_RandomBytes(hwcrhk_context, buf, num, &rmsg);
- if (ret < 0)
- {
- /* FIXME: When this error is returned, HWCryptoHook is
- telling us that falling back to software computation
- might be a good thing. */
- if(ret == HWCRYPTOHOOK_ERROR_FALLBACK)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,
- HWCRHK_R_REQUEST_FALLBACK);
- }
- else
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES,
- HWCRHK_R_REQUEST_FAILED);
- }
- ERR_add_error_data(1,rmsg.buf);
- goto err;
- }
- to_return = 1;
+{
+ char tempbuf[1024];
+ HWCryptoHook_ErrMsgBuf rmsg;
+ int to_return = 0; /* assume failure */
+ int ret;
+
+ rmsg.buf = tempbuf;
+ rmsg.size = sizeof(tempbuf);
+
+ if (!hwcrhk_context) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES, HWCRHK_R_NOT_INITIALISED);
+ goto err;
+ }
+
+ ret = p_hwcrhk_RandomBytes(hwcrhk_context, buf, num, &rmsg);
+ if (ret < 0) {
+ /*
+ * FIXME: When this error is returned, HWCryptoHook is telling us
+ * that falling back to software computation might be a good thing.
+ */
+ if (ret == HWCRYPTOHOOK_ERROR_FALLBACK) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES, HWCRHK_R_REQUEST_FALLBACK);
+ } else {
+ HWCRHKerr(HWCRHK_F_HWCRHK_RAND_BYTES, HWCRHK_R_REQUEST_FAILED);
+ }
+ ERR_add_error_data(1, rmsg.buf);
+ goto err;
+ }
+ to_return = 1;
err:
- return to_return;
- }
+ return to_return;
+}
static int hwcrhk_rand_status(void)
- {
- return 1;
- }
+{
+ return 1;
+}
-/* Mutex calls: since the HWCryptoHook model closely follows the POSIX model
+/*
+ * Mutex calls: since the HWCryptoHook model closely follows the POSIX model
* these just wrap the POSIX functions and add some logging.
*/
-static int hwcrhk_mutex_init(HWCryptoHook_Mutex* mt,
- HWCryptoHook_CallerContext *cactx)
- {
- mt->lockid = CRYPTO_get_new_dynlockid();
- if (mt->lockid == 0)
- return 1; /* failure */
- return 0; /* success */
- }
-
-static int hwcrhk_mutex_lock(HWCryptoHook_Mutex *mt)
- {
- CRYPTO_w_lock(mt->lockid);
- return 0;
- }
+static int hwcrhk_mutex_init(HWCryptoHook_Mutex * mt,
+ HWCryptoHook_CallerContext * cactx)
+{
+ mt->lockid = CRYPTO_get_new_dynlockid();
+ if (mt->lockid == 0)
+ return 1; /* failure */
+ return 0; /* success */
+}
+
+static int hwcrhk_mutex_lock(HWCryptoHook_Mutex * mt)
+{
+ CRYPTO_w_lock(mt->lockid);
+ return 0;
+}
static void hwcrhk_mutex_unlock(HWCryptoHook_Mutex * mt)
- {
- CRYPTO_w_unlock(mt->lockid);
- }
+{
+ CRYPTO_w_unlock(mt->lockid);
+}
-static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex *mt)
- {
- CRYPTO_destroy_dynlockid(mt->lockid);
- }
+static void hwcrhk_mutex_destroy(HWCryptoHook_Mutex * mt)
+{
+ CRYPTO_destroy_dynlockid(mt->lockid);
+}
static int hwcrhk_get_pass(const char *prompt_info,
- int *len_io, char *buf,
- HWCryptoHook_PassphraseContext *ppctx,
- HWCryptoHook_CallerContext *cactx)
- {
- pem_password_cb *callback = NULL;
- void *callback_data = NULL;
- UI_METHOD *ui_method = NULL;
- /* Despite what the documentation says prompt_info can be
- * an empty string.
- */
- if (prompt_info && !*prompt_info)
- prompt_info = NULL;
-
- if (cactx)
- {
- if (cactx->ui_method)
- ui_method = cactx->ui_method;
- if (cactx->password_callback)
- callback = cactx->password_callback;
- if (cactx->callback_data)
- callback_data = cactx->callback_data;
- }
- if (ppctx)
- {
- if (ppctx->ui_method)
- {
- ui_method = ppctx->ui_method;
- callback = NULL;
- }
- if (ppctx->callback_data)
- callback_data = ppctx->callback_data;
- }
- if (callback == NULL && ui_method == NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_GET_PASS,HWCRHK_R_NO_CALLBACK);
- return -1;
- }
-
- if (ui_method)
- {
- UI *ui = UI_new_method(ui_method);
- if (ui)
- {
- int ok;
- char *prompt = UI_construct_prompt(ui,
- "pass phrase", prompt_info);
-
- ok = UI_add_input_string(ui,prompt,
- UI_INPUT_FLAG_DEFAULT_PWD,
- buf,0,(*len_io) - 1);
- UI_add_user_data(ui, callback_data);
- UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
-
- if (ok >= 0)
- do
- {
- ok=UI_process(ui);
- }
- while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
-
- if (ok >= 0)
- *len_io = strlen(buf);
-
- UI_free(ui);
- OPENSSL_free(prompt);
- }
- }
- else
- {
- *len_io = callback(buf, *len_io, 0, callback_data);
+ int *len_io, char *buf,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx)
+{
+ pem_password_cb *callback = NULL;
+ void *callback_data = NULL;
+ UI_METHOD *ui_method = NULL;
+ /*
+ * Despite what the documentation says prompt_info can be an empty
+ * string.
+ */
+ if (prompt_info && !*prompt_info)
+ prompt_info = NULL;
+
+ if (cactx) {
+ if (cactx->ui_method)
+ ui_method = cactx->ui_method;
+ if (cactx->password_callback)
+ callback = cactx->password_callback;
+ if (cactx->callback_data)
+ callback_data = cactx->callback_data;
+ }
+ if (ppctx) {
+ if (ppctx->ui_method) {
+ ui_method = ppctx->ui_method;
+ callback = NULL;
+ }
+ if (ppctx->callback_data)
+ callback_data = ppctx->callback_data;
+ }
+ if (callback == NULL && ui_method == NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_GET_PASS, HWCRHK_R_NO_CALLBACK);
+ return -1;
+ }
+
+ if (ui_method) {
+ UI *ui = UI_new_method(ui_method);
+ if (ui) {
+ int ok;
+ char *prompt = UI_construct_prompt(ui,
+ "pass phrase", prompt_info);
+
+ ok = UI_add_input_string(ui, prompt,
+ UI_INPUT_FLAG_DEFAULT_PWD,
+ buf, 0, (*len_io) - 1);
+ UI_add_user_data(ui, callback_data);
+ UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
+
+ if (ok >= 0)
+ do {
+ ok = UI_process(ui);
}
- if(!*len_io)
- return -1;
- return 0;
- }
+ while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
+
+ if (ok >= 0)
+ *len_io = strlen(buf);
+
+ UI_free(ui);
+ OPENSSL_free(prompt);
+ }
+ } else {
+ *len_io = callback(buf, *len_io, 0, callback_data);
+ }
+ if (!*len_io)
+ return -1;
+ return 0;
+}
static int hwcrhk_insert_card(const char *prompt_info,
- const char *wrong_info,
- HWCryptoHook_PassphraseContext *ppctx,
- HWCryptoHook_CallerContext *cactx)
- {
- int ok = -1;
- UI *ui;
- void *callback_data = NULL;
- UI_METHOD *ui_method = NULL;
-
- if (cactx)
- {
- if (cactx->ui_method)
- ui_method = cactx->ui_method;
- if (cactx->callback_data)
- callback_data = cactx->callback_data;
- }
- if (ppctx)
- {
- if (ppctx->ui_method)
- ui_method = ppctx->ui_method;
- if (ppctx->callback_data)
- callback_data = ppctx->callback_data;
- }
- if (ui_method == NULL)
- {
- HWCRHKerr(HWCRHK_F_HWCRHK_INSERT_CARD,
- HWCRHK_R_NO_CALLBACK);
- return -1;
- }
-
- ui = UI_new_method(ui_method);
-
- if (ui)
- {
- char answer;
- char buf[BUFSIZ];
- /* Despite what the documentation says wrong_info can be
- * an empty string.
- */
- if (wrong_info && *wrong_info)
- BIO_snprintf(buf, sizeof(buf)-1,
- "Current card: \"%s\"\n", wrong_info);
- else
- buf[0] = 0;
- ok = UI_dup_info_string(ui, buf);
- if (ok >= 0 && prompt_info)
- {
- BIO_snprintf(buf, sizeof(buf)-1,
- "Insert card \"%s\"", prompt_info);
- ok = UI_dup_input_boolean(ui, buf,
- "\n then hit <enter> or C<enter> to cancel\n",
- "\r\n", "Cc", UI_INPUT_FLAG_ECHO, &answer);
- }
- UI_add_user_data(ui, callback_data);
-
- if (ok >= 0)
- ok = UI_process(ui);
- UI_free(ui);
-
- if (ok == -2 || (ok >= 0 && answer == 'C'))
- ok = 1;
- else if (ok < 0)
- ok = -1;
- else
- ok = 0;
- }
- return ok;
- }
+ const char *wrong_info,
+ HWCryptoHook_PassphraseContext * ppctx,
+ HWCryptoHook_CallerContext * cactx)
+{
+ int ok = -1;
+ UI *ui;
+ void *callback_data = NULL;
+ UI_METHOD *ui_method = NULL;
+
+ if (cactx) {
+ if (cactx->ui_method)
+ ui_method = cactx->ui_method;
+ if (cactx->callback_data)
+ callback_data = cactx->callback_data;
+ }
+ if (ppctx) {
+ if (ppctx->ui_method)
+ ui_method = ppctx->ui_method;
+ if (ppctx->callback_data)
+ callback_data = ppctx->callback_data;
+ }
+ if (ui_method == NULL) {
+ HWCRHKerr(HWCRHK_F_HWCRHK_INSERT_CARD, HWCRHK_R_NO_CALLBACK);
+ return -1;
+ }
+
+ ui = UI_new_method(ui_method);
+
+ if (ui) {
+ char answer;
+ char buf[BUFSIZ];
+ /*
+ * Despite what the documentation says wrong_info can be an empty
+ * string.
+ */
+ if (wrong_info && *wrong_info)
+ BIO_snprintf(buf, sizeof(buf) - 1,
+ "Current card: \"%s\"\n", wrong_info);
+ else
+ buf[0] = 0;
+ ok = UI_dup_info_string(ui, buf);
+ if (ok >= 0 && prompt_info) {
+ BIO_snprintf(buf, sizeof(buf) - 1,
+ "Insert card \"%s\"", prompt_info);
+ ok = UI_dup_input_boolean(ui, buf,
+ "\n then hit <enter> or C<enter> to cancel\n",
+ "\r\n", "Cc", UI_INPUT_FLAG_ECHO,
+ &answer);
+ }
+ UI_add_user_data(ui, callback_data);
+
+ if (ok >= 0)
+ ok = UI_process(ui);
+ UI_free(ui);
+
+ if (ok == -2 || (ok >= 0 && answer == 'C'))
+ ok = 1;
+ else if (ok < 0)
+ ok = -1;
+ else
+ ok = 0;
+ }
+ return ok;
+}
static void hwcrhk_log_message(void *logstr, const char *message)
- {
- BIO *lstream = NULL;
-
- CRYPTO_w_lock(CRYPTO_LOCK_BIO);
- if (logstr)
- lstream=*(BIO **)logstr;
- if (lstream)
- {
- BIO_printf(lstream, "%s\n", message);
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
- }
-
-/* This stuff is needed if this ENGINE is being compiled into a self-contained
- * shared-library. */
-#ifndef OPENSSL_NO_DYNAMIC_ENGINE
+{
+ BIO *lstream = NULL;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_BIO);
+ if (logstr)
+ lstream = *(BIO **)logstr;
+ if (lstream) {
+ BIO_printf(lstream, "%s\n", message);
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_BIO);
+}
+
+/*
+ * 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_hwcrhk_id) != 0) &&
- (strcmp(id, engine_hwcrhk_id_alt) != 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 */
+{
+ if (id && (strcmp(id, engine_hwcrhk_id) != 0) &&
+ (strcmp(id, engine_hwcrhk_id_alt) != 0))
+ return 0;
+ if (!bind_helper(e))
+ return 0;
+ return 1;
+}
-#endif /* !OPENSSL_NO_HW_CHIL */
-#endif /* !OPENSSL_NO_HW */
+IMPLEMENT_DYNAMIC_CHECK_FN()
+ IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
+# endif /* OPENSSL_NO_DYNAMIC_ENGINE */
+# endif /* !OPENSSL_NO_HW_CHIL */
+#endif /* !OPENSSL_NO_HW */