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Diffstat (limited to 'crypto/engine/engine_int.h')
| -rw-r--r-- | crypto/engine/engine_int.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/crypto/engine/engine_int.h b/crypto/engine/engine_int.h new file mode 100644 index 0000000000..d4aa8faca2 --- /dev/null +++ b/crypto/engine/engine_int.h @@ -0,0 +1,164 @@ +/* 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 */ |