/* * Copyright (c) 2006 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * 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. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS 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 INSTITUTE OR 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. */ /* * $Id$ */ #ifndef _HEIM_DSA_H #define _HEIM_DSA_H 1 #include <hcrypto/bn.h> /* symbol renaming */ #define DSA_null_method hc_DSA_null_method #define DSA_new hc_DSA_new #define DSA_free hc_DSA_free #define DSA_up_ref hc_DSA_up_ref #define DSA_set_default_method hc_DSA_set_default_method #define DSA_get_default_method hc_DSA_get_default_method #define DSA_set_method hc_DSA_set_method #define DSA_get_method hc_DSA_get_method #define DSA_set_app_data hc_DSA_set_app_data #define DSA_get_app_data hc_DSA_get_app_data #define DSA_size hc_DSA_size #define DSA_verify hc_DSA_verify /* * */ typedef struct DSA DSA; typedef struct DSA_METHOD DSA_METHOD; typedef struct DSA_SIG DSA_SIG; struct DSA_SIG { BIGNUM *r; BIGNUM *s; }; struct DSA_METHOD { const char *name; DSA_SIG * (*dsa_do_sign)(const unsigned char *, int, DSA *); int (*dsa_sign_setup)(DSA *, BN_CTX *, BIGNUM **, BIGNUM **); int (*dsa_do_verify)(const unsigned char *, int, DSA_SIG *, DSA *); int (*dsa_mod_exp)(DSA *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BIGNUM *, BN_CTX *, BN_MONT_CTX *); int (*bn_mod_exp)(DSA *, BIGNUM *, BIGNUM *, const BIGNUM *, const BIGNUM *, BN_CTX *, BN_MONT_CTX *); int (*init)(DSA *); int (*finish)(DSA *); int flags; void *app_data; }; struct DSA { int pad; long version; int write_params; BIGNUM *p; BIGNUM *q; BIGNUM *g; BIGNUM *pub_key; BIGNUM *priv_key; BIGNUM *kinv; BIGNUM *r; int flags; void *method_mont_p; int references; struct dsa_CRYPTO_EX_DATA { void *sk; int dummy; } ex_data; const DSA_METHOD *meth; void *engine; }; /* * */ const DSA_METHOD *DSA_null_method(void); /* * */ DSA * DSA_new(void); void DSA_free(DSA *); int DSA_up_ref(DSA *); void DSA_set_default_method(const DSA_METHOD *); const DSA_METHOD * DSA_get_default_method(void); const DSA_METHOD * DSA_get_method(const DSA *); int DSA_set_method(DSA *, const DSA_METHOD *); void DSA_set_app_data(DSA *, void *arg); void * DSA_get_app_data(DSA *); int DSA_size(const DSA *); int DSA_verify(int, const unsigned char *, int, const unsigned char *, int, DSA *); #endif /* _HEIM_DSA_H */