--- /dev/null
+/* crypto/engine/engine_int.h */
+/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * 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
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_ENGINE_INT_H
+#define HEADER_ENGINE_INT_H
+
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
+#include <openssl/rand.h>
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Bitwise OR-able values for the "flags" variable in ENGINE. */
+#define ENGINE_FLAGS_MALLOCED 0x0001
+
+#ifndef HEADER_ENGINE_H
+/* Regrettably, we need to reproduce the "BN" function types here
+ * because there is no such "BIGNUM_METHOD" as there is with RSA,
+ * DSA, etc. We do this so that we don't have a case where engine.h
+ * and engine_int.h conflict with each other. */
+typedef int (*BN_MOD_EXP)(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx);
+
+/* private key operation for RSA, provided seperately in case other
+ * RSA implementations wish to use it. */
+typedef int (*BN_MOD_EXP_CRT)(BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1,
+ const BIGNUM *iqmp, BN_CTX *ctx);
+
+/* Generic function pointer */
+typedef int (*ENGINE_GEN_FUNC_PTR)();
+/* Generic function pointer taking no arguments */
+typedef int (*ENGINE_GEN_INT_FUNC_PTR)(void);
+/* Specific control function pointer */
+typedef int (*ENGINE_CTRL_FUNC_PTR)(int cmd, long i, void *p, void (*f)());
+
+#endif
+
+/* This is a structure for storing implementations of various crypto
+ * algorithms and functions. */
+typedef struct engine_st
+ {
+ const char *id;
+ const char *name;
+ RSA_METHOD *rsa_meth;
+ DSA_METHOD *dsa_meth;
+ DH_METHOD *dh_meth;
+ RAND_METHOD *rand_meth;
+ BN_MOD_EXP bn_mod_exp;
+ BN_MOD_EXP_CRT bn_mod_exp_crt;
+ int (*init)(void);
+ int (*finish)(void);
+ int (*ctrl)(int cmd, long i, void *p, void (*f)());
+ EVP_PKEY *(*load_privkey)(const char *key_id, const char *passphrase);
+ EVP_PKEY *(*load_pubkey)(const char *key_id, const char *passphrase);
+ int flags;
+ /* reference count on the structure itself */
+ int struct_ref;
+ /* reference count on usability of the engine type. NB: This
+ * controls the loading and initialisation of any functionlity
+ * required by this engine, whereas the previous count is
+ * simply to cope with (de)allocation of this structure. Hence,
+ * running_ref <= struct_ref at all times. */
+ int funct_ref;
+ /* Used to maintain the linked-list of engines. */
+ struct engine_st *prev;
+ struct engine_st *next;
+ } ENGINE;
+
+/* 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();
+
+#ifndef NO_HW
+
+#ifndef 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();
+#endif /* !NO_HW_CSWIFT */
+
+#ifndef NO_HW_NCIPHER
+ENGINE *ENGINE_ncipher();
+#endif /* !NO_HW_NCIPHER */
+
+#ifndef NO_HW_ATALLA
+/* Returns a structure of atalla methods. */
+ENGINE *ENGINE_atalla();
+#endif /* !NO_HW_ATALLA */
+
+#ifndef NO_HW_NURON
+ENGINE *ENGINE_nuron();
+#endif /* !NO_HW_NURON */
+
+#endif /* !NO_HW */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_ENGINE_INT_H */
projects / openssl.git / blobdiff