* Hudson (tjh@cryptsoft.com).
*
*/
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECDH support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
#ifndef HEADER_ENGINE_H
#define HEADER_ENGINE_H
+#include <openssl/opensslconf.h>
#include <openssl/ossl_typ.h>
#include <openssl/bn.h>
#ifndef OPENSSL_NO_RSA
#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif
+#ifndef OPENSSL_NO_ECDH
+#include <openssl/ecdh.h>
+#endif
#ifndef OPENSSL_NO_ECDSA
#include <openssl/ecdsa.h>
#endif
#ifdef OPENSSL_NO_DH
typedef void DH_METHOD;
#endif
-#ifdef OPENSS_NO_ECDSA
+#ifdef OPENSSL_NO_ECDH
+typedef void ECDH_METHOD;
+#endif
+#ifdef OPENSSL_NO_ECDSA
typedef void ECDSA_METHOD;
#endif
#define ENGINE_METHOD_DSA (unsigned int)0x0002
#define ENGINE_METHOD_DH (unsigned int)0x0004
#define ENGINE_METHOD_RAND (unsigned int)0x0008
-#define ENGINE_METHOD_ECDSA (unsigned int)0x000F
+#define ENGINE_METHOD_ECDH (unsigned int)0x0010
+#define ENGINE_METHOD_ECDSA (unsigned int)0x0020
#define ENGINE_METHOD_CIPHERS (unsigned int)0x0040
#define ENGINE_METHOD_DIGESTS (unsigned int)0x0080
/* Obvious all-or-nothing cases. */
/* Add all the built-in engines. */
void ENGINE_load_openssl(void);
void ENGINE_load_dynamic(void);
-void ENGINE_load_cswift(void);
-void ENGINE_load_chil(void);
+#ifndef OPENSSL_NO_STATIC_ENGINE
+void ENGINE_load_4758cca(void);
+void ENGINE_load_aep(void);
void ENGINE_load_atalla(void);
+void ENGINE_load_chil(void);
+void ENGINE_load_cswift(void);
+void ENGINE_load_gmp(void);
void ENGINE_load_nuron(void);
-void ENGINE_load_ubsec(void);
-void ENGINE_load_aep(void);
void ENGINE_load_sureware(void);
-void ENGINE_load_4758cca(void);
-void ENGINE_load_openbsd_dev_crypto(void);
+void ENGINE_load_ubsec(void);
+#endif
+void ENGINE_load_cryptodev(void);
void ENGINE_load_builtin_engines(void);
/* Get and set global flags (ENGINE_TABLE_FLAG_***) for the implementation
void ENGINE_unregister_DSA(ENGINE *e);
void ENGINE_register_all_DSA(void);
+int ENGINE_register_ECDH(ENGINE *e);
+void ENGINE_unregister_ECDH(ENGINE *e);
+void ENGINE_register_all_ECDH(void);
+
int ENGINE_register_ECDSA(ENGINE *e);
void ENGINE_unregister_ECDSA(ENGINE *e);
void ENGINE_register_all_ECDSA(void);
* compatibility! */
ENGINE *ENGINE_new(void);
int ENGINE_free(ENGINE *e);
+int ENGINE_up_ref(ENGINE *e);
int ENGINE_set_id(ENGINE *e, const char *id);
int ENGINE_set_name(ENGINE *e, const char *name);
int ENGINE_set_RSA(ENGINE *e, const RSA_METHOD *rsa_meth);
int ENGINE_set_DSA(ENGINE *e, const DSA_METHOD *dsa_meth);
+int ENGINE_set_ECDH(ENGINE *e, const ECDH_METHOD *ecdh_meth);
int ENGINE_set_ECDSA(ENGINE *e, const ECDSA_METHOD *ecdsa_meth);
int ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth);
int ENGINE_set_RAND(ENGINE *e, const RAND_METHOD *rand_meth);
const char *ENGINE_get_name(const ENGINE *e);
const RSA_METHOD *ENGINE_get_RSA(const ENGINE *e);
const DSA_METHOD *ENGINE_get_DSA(const ENGINE *e);
+const ECDH_METHOD *ENGINE_get_ECDH(const ENGINE *e);
const ECDSA_METHOD *ENGINE_get_ECDSA(const ENGINE *e);
const DH_METHOD *ENGINE_get_DH(const ENGINE *e);
const RAND_METHOD *ENGINE_get_RAND(const ENGINE *e);
ENGINE *ENGINE_get_default_RSA(void);
/* Same for the other "methods" */
ENGINE *ENGINE_get_default_DSA(void);
+ENGINE *ENGINE_get_default_ECDH(void);
ENGINE *ENGINE_get_default_ECDSA(void);
ENGINE *ENGINE_get_default_DH(void);
ENGINE *ENGINE_get_default_RAND(void);
int ENGINE_set_default_string(ENGINE *e, const char *list);
/* Same for the other "methods" */
int ENGINE_set_default_DSA(ENGINE *e);
+int ENGINE_set_default_ECDH(ENGINE *e);
int ENGINE_set_default_ECDSA(ENGINE *e);
int ENGINE_set_default_DH(ENGINE *e);
int ENGINE_set_default_RAND(ENGINE *e);
/**************************/
/* Binary/behaviour compatibility levels */
-#define OSSL_DYNAMIC_VERSION (unsigned long)0x00010100
+#define OSSL_DYNAMIC_VERSION (unsigned long)0x00010200
/* Binary versions older than this are too old for us (whether we're a loader or
* a loadee) */
-#define OSSL_DYNAMIC_OLDEST (unsigned long)0x00010100
+#define OSSL_DYNAMIC_OLDEST (unsigned long)0x00010200
/* When compiling an ENGINE entirely as an external shared library, loadable by
* the "dynamic" ENGINE, these types are needed. The 'dynamic_fns' structure
* type provides the calling application's (or library's) error functionality
* and memory management function pointers to the loaded library. These should
* be used/set in the loaded library code so that the loading application's
- * 'state' will be used/changed in all operations. */
+ * 'state' will be used/changed in all operations. The 'static_state' pointer
+ * allows the loaded library to know if it shares the same static data as the
+ * calling application (or library), and thus whether these callbacks need to be
+ * set or not. */
typedef void *(*dyn_MEM_malloc_cb)(size_t);
typedef void *(*dyn_MEM_realloc_cb)(void *, size_t);
typedef void (*dyn_MEM_free_cb)(void *);
} dynamic_LOCK_fns;
/* The top-level structure */
typedef struct st_dynamic_fns {
+ void *static_state;
const ERR_FNS *err_fns;
const CRYPTO_EX_DATA_IMPL *ex_data_fns;
dynamic_MEM_fns mem_fns;
const dynamic_fns *fns);
#define IMPLEMENT_DYNAMIC_BIND_FN(fn) \
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { \
+ if(ENGINE_get_static_state() == fns->static_state) goto skip_cbs; \
if(!CRYPTO_set_mem_functions(fns->mem_fns.malloc_cb, \
fns->mem_fns.realloc_cb, fns->mem_fns.free_cb)) \
return 0; \
if(!CRYPTO_set_ex_data_implementation(fns->ex_data_fns)) \
return 0; \
if(!ERR_set_implementation(fns->err_fns)) return 0; \
+ skip_cbs: \
if(!fn(e,id)) return 0; \
return 1; }
+/* If the loading application (or library) and the loaded ENGINE library share
+ * the same static data (eg. they're both dynamically linked to the same
+ * libcrypto.so) we need a way to avoid trying to set system callbacks - this
+ * would fail, and for the same reason that it's unnecessary to try. If the
+ * loaded ENGINE has (or gets from through the loader) its own copy of the
+ * libcrypto static data, we will need to set the callbacks. The easiest way to
+ * detect this is to have a function that returns a pointer to some static data
+ * and let the loading application and loaded ENGINE compare their respective
+ * values. */
+void *ENGINE_get_static_state(void);
+
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
#define ENGINE_F_ENGINE_SET_NAME 130
#define ENGINE_F_ENGINE_TABLE_REGISTER 184
#define ENGINE_F_ENGINE_UNLOAD_KEY 152
+#define ENGINE_F_ENGINE_UP_REF 190
#define ENGINE_F_INT_CTRL_HELPER 172
#define ENGINE_F_INT_ENGINE_CONFIGURE 188
#define ENGINE_F_LOG_MESSAGE 141
projects / openssl.git / blobdiff