* 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_INT_H
#define HEADER_ENGINE_INT_H
+#include "cryptlib.h"
/* Take public definitions from engine.h */
#include <openssl/engine.h>
#endif
-typedef struct engine_evp_cipher_st
+/* Any code that will need cleanup operations should use these functions to
+ * register callbacks. ENGINE_cleanup() will call all registered callbacks in
+ * order. NB: both the "add" functions assume CRYPTO_LOCK_ENGINE to already be
+ * held (in "write" mode). */
+typedef void (ENGINE_CLEANUP_CB)(void);
+typedef struct st_engine_cleanup_item
{
- const EVP_CIPHER *cipher;
- } ENGINE_EVP_CIPHER;
+ ENGINE_CLEANUP_CB *cb;
+ } ENGINE_CLEANUP_ITEM;
+DECLARE_STACK_OF(ENGINE_CLEANUP_ITEM)
+void engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb);
+void engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb);
+
+/* We need stacks of ENGINEs for use in eng_table.c */
+DECLARE_STACK_OF(ENGINE)
+
+/* If this symbol is defined then engine_table_select(), the function that is
+ * used by RSA, DSA (etc) code to select registered ENGINEs, cache defaults and
+ * functional references (etc), will display debugging summaries to stderr. */
+/* #define ENGINE_TABLE_DEBUG */
+
+/* This represents an implementation table. Dependent code should instantiate it
+ * as a (ENGINE_TABLE *) pointer value set initially to NULL. */
+typedef struct st_engine_table ENGINE_TABLE;
+int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
+ ENGINE *e, const int *nids, int num_nids, int setdefault);
+void engine_table_unregister(ENGINE_TABLE **table, ENGINE *e);
+void engine_table_cleanup(ENGINE_TABLE **table);
+#ifndef ENGINE_TABLE_DEBUG
+ENGINE *engine_table_select(ENGINE_TABLE **table, int nid);
+#else
+ENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f, int l);
+#define engine_table_select(t,n) engine_table_select_tmp(t,n,__FILE__,__LINE__)
+#endif
+typedef void (engine_table_doall_cb)(int nid, STACK_OF(ENGINE) *sk, ENGINE *def, void *arg);
+void engine_table_doall(ENGINE_TABLE *table, engine_table_doall_cb *cb, void *arg);
-DECLARE_STACK_OF(ENGINE_EVP_CIPHER)
+/* Internal versions of API functions that have control over locking. These are
+ * used between C files when functionality needs to be shared but the caller may
+ * already be controlling of the CRYPTO_LOCK_ENGINE lock. */
+int engine_unlocked_init(ENGINE *e);
+int engine_unlocked_finish(ENGINE *e, int unlock_for_handlers);
+int engine_free_util(ENGINE *e, int locked);
-void ENGINE_free_engine_cipher(ENGINE_EVP_CIPHER *p);
+/* This function will reset all "set"able values in an ENGINE to NULL. This
+ * won't touch reference counts or ex_data, but is equivalent to calling all the
+ * ENGINE_set_***() functions with a NULL value. */
+void engine_set_all_null(ENGINE *e);
/* NB: Bitwise OR-able values for the "flags" variable in ENGINE are now exposed
* in engine.h. */
+/* Free up dynamically allocated public key methods associated with ENGINE */
+
+void engine_pkey_meths_free(ENGINE *e);
+void engine_pkey_asn1_meths_free(ENGINE *e);
+
/* This is a structure for storing implementations of various crypto
* algorithms and functions. */
struct engine_st
const RSA_METHOD *rsa_meth;
const DSA_METHOD *dsa_meth;
const DH_METHOD *dh_meth;
+ const ECDH_METHOD *ecdh_meth;
+ const ECDSA_METHOD *ecdsa_meth;
const RAND_METHOD *rand_meth;
+ const STORE_METHOD *store_meth;
+ /* Cipher handling is via this callback */
+ ENGINE_CIPHERS_PTR ciphers;
+ /* Digest handling is via this callback */
+ ENGINE_DIGESTS_PTR digests;
+ /* Public key handling via this callback */
+ ENGINE_PKEY_METHS_PTR pkey_meths;
+ /* ASN1 public key handling via this callback */
+ ENGINE_PKEY_ASN1_METHS_PTR pkey_asn1_meths;
- BN_MOD_EXP bn_mod_exp;
- BN_MOD_EXP_CRT bn_mod_exp_crt;
ENGINE_GEN_INT_FUNC_PTR destroy;
+
ENGINE_GEN_INT_FUNC_PTR init;
ENGINE_GEN_INT_FUNC_PTR finish;
ENGINE_CTRL_FUNC_PTR ctrl;
ENGINE_LOAD_KEY_PTR load_privkey;
ENGINE_LOAD_KEY_PTR load_pubkey;
- STACK_OF(ENGINE_EVP_CIPHER) *ciphers;
+ ENGINE_SSL_CLIENT_CERT_PTR load_ssl_client_cert;
const ENGINE_CMD_DEFN *cmd_defns;
int flags;
* simply to cope with (de)allocation of this structure. Hence,
* running_ref <= struct_ref at all times. */
int funct_ref;
- /* A place to store per-key data */
+ /* A place to store per-ENGINE data */
CRYPTO_EX_DATA ex_data;
/* Used to maintain the linked-list of engines. */
struct engine_st *prev;
struct engine_st *next;
};
-/* BUILT-IN ENGINES. (these functions are only ever called once and
- * do not return references - they are purely for bootstrapping). */
-
-/* Returns a structure of software only methods (the default). */
-ENGINE *ENGINE_openssl(void);
-
-/* Returns the "dynamic" ENGINE for loading entire ENGINE implementations from
- * shared libraries. */
-ENGINE *ENGINE_dynamic(void);
-
-#ifndef OPENSSL_NO_HW
-
-#ifndef OPENSSL_NO_HW_CSWIFT
-/* Returns a structure of cswift methods ... NB: This can exist and be
- * "used" even on non-cswift systems because the "init" will fail if the
- * card/library are not found. */
-ENGINE *ENGINE_cswift(void);
-#endif /* !OPENSSL_NO_HW_CSWIFT */
-
-#ifndef OPENSSL_NO_HW_NCIPHER
-ENGINE *ENGINE_ncipher(void);
-#endif /* !OPENSSL_NO_HW_NCIPHER */
-
-#ifndef OPENSSL_NO_HW_ATALLA
-/* Returns a structure of atalla methods. */
-ENGINE *ENGINE_atalla(void);
-#endif /* !OPENSSL_NO_HW_ATALLA */
-
-#ifndef OPENSSL_NO_HW_NURON
-ENGINE *ENGINE_nuron(void);
-#endif /* !OPENSSL_NO_HW_NURON */
-
-#ifndef OPENSSL_NO_HW_UBSEC
-ENGINE *ENGINE_ubsec(void);
-#endif /* !OPENSSL_NO_HW_UBSEC */
-
-#ifdef OPENSSL_OPENBSD_DEV_CRYPTO
-ENGINE *ENGINE_openbsd_dev_crypto(void);
-#endif
-
-#endif /* !OPENSSL_NO_HW */
-
#ifdef __cplusplus
}
#endif
projects / openssl.git / blobdiff