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Diffstat (limited to 'source4/heimdal/lib/hcrypto/dsa.h')
| -rw-r--r-- | source4/heimdal/lib/hcrypto/dsa.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/source4/heimdal/lib/hcrypto/dsa.h b/source4/heimdal/lib/hcrypto/dsa.h new file mode 100644 index 0000000000..0544b80118 --- /dev/null +++ b/source4/heimdal/lib/hcrypto/dsa.h @@ -0,0 +1,140 @@ +/* + * 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: dsa.h 16564 2006-01-13 15:26:52Z lha $ + */ + +#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 */ |