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119 lines
4.5 KiB
C
Executable File
119 lines
4.5 KiB
C
Executable File
/* $OpenBSD: dsa_locl.h,v 1.5 2022/01/14 08:29:06 tb Exp $ */
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/* ====================================================================
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* Copyright (c) 2007 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <openssl/dsa.h>
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__BEGIN_HIDDEN_DECLS
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struct DSA_SIG_st {
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BIGNUM *r;
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BIGNUM *s;
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} /* DSA_SIG */;
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struct dsa_method {
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const char *name;
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DSA_SIG *(*dsa_do_sign)(const unsigned char *dgst, int dlen, DSA *dsa);
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int (*dsa_sign_setup)(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
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BIGNUM **rp);
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int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len,
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DSA_SIG *sig, DSA *dsa);
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int (*dsa_mod_exp)(DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1,
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BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx,
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BN_MONT_CTX *in_mont);
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int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
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const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); /* Can be null */
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int (*init)(DSA *dsa);
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int (*finish)(DSA *dsa);
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int flags;
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char *app_data;
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/* If this is non-NULL, it is used to generate DSA parameters */
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int (*dsa_paramgen)(DSA *dsa, int bits, const unsigned char *seed,
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int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb);
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/* If this is non-NULL, it is used to generate DSA keys */
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int (*dsa_keygen)(DSA *dsa);
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} /* DSA_METHOD */;
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struct dsa_st {
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/* This first variable is used to pick up errors where
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* a DSA is passed instead of of a EVP_PKEY */
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int pad;
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long version;
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BIGNUM *p;
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BIGNUM *q; /* == 20 */
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BIGNUM *g;
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BIGNUM *pub_key; /* y public key */
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BIGNUM *priv_key; /* x private key */
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BIGNUM *kinv; /* Signing pre-calc */
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BIGNUM *r; /* Signing pre-calc */
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int flags;
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/* Normally used to cache montgomery values */
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BN_MONT_CTX *method_mont_p;
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int references;
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CRYPTO_EX_DATA ex_data;
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const DSA_METHOD *meth;
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/* functional reference if 'meth' is ENGINE-provided */
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ENGINE *engine;
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} /* DSA */;
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int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits,
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const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len,
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unsigned char *seed_out,
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int *counter_ret, unsigned long *h_ret, BN_GENCB *cb);
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__END_HIDDEN_DECLS
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