diff options
Diffstat (limited to 'crypto/dsa/dsa_locl.h')
| -rw-r--r-- | crypto/dsa/dsa_locl.h | 114 |
1 files changed, 61 insertions, 53 deletions
diff --git a/crypto/dsa/dsa_locl.h b/crypto/dsa/dsa_locl.h index 9c23c3ef90e2..a81a4b49788d 100644 --- a/crypto/dsa/dsa_locl.h +++ b/crypto/dsa/dsa_locl.h @@ -1,58 +1,68 @@ -/* ==================================================================== - * Copyright (c) 2007 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 - * openssl-core@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). +/* + * Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include <openssl/dsa.h> +#include "internal/refcount.h" + +struct dsa_st { + /* + * This first variable is used to pick up errors where a DSA is passed + * instead of of a EVP_PKEY + */ + int pad; + int32_t version; + BIGNUM *p; + BIGNUM *q; /* == 20 */ + BIGNUM *g; + BIGNUM *pub_key; /* y public key */ + BIGNUM *priv_key; /* x private key */ + int flags; + /* Normally used to cache montgomery values */ + BN_MONT_CTX *method_mont_p; + CRYPTO_REF_COUNT references; + CRYPTO_EX_DATA ex_data; + const DSA_METHOD *meth; + /* functional reference if 'meth' is ENGINE-provided */ + ENGINE *engine; + CRYPTO_RWLOCK *lock; +}; + +struct DSA_SIG_st { + BIGNUM *r; + BIGNUM *s; +}; + +struct dsa_method { + char *name; + DSA_SIG *(*dsa_do_sign) (const unsigned char *dgst, int dlen, DSA *dsa); + int (*dsa_sign_setup) (DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, + BIGNUM **rp); + int (*dsa_do_verify) (const unsigned char *dgst, int dgst_len, + DSA_SIG *sig, DSA *dsa); + int (*dsa_mod_exp) (DSA *dsa, BIGNUM *rr, const BIGNUM *a1, + const BIGNUM *p1, const BIGNUM *a2, const BIGNUM *p2, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont); + /* Can be null */ + int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + int (*init) (DSA *dsa); + int (*finish) (DSA *dsa); + int flags; + void *app_data; + /* If this is non-NULL, it is used to generate DSA parameters */ + int (*dsa_paramgen) (DSA *dsa, int bits, + const unsigned char *seed, int seed_len, + int *counter_ret, unsigned long *h_ret, + BN_GENCB *cb); + /* If this is non-NULL, it is used to generate DSA keys */ + int (*dsa_keygen) (DSA *dsa); +}; int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, const EVP_MD *evpmd, const unsigned char *seed_in, @@ -65,5 +75,3 @@ int dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N, size_t seed_len, int idx, unsigned char *seed_out, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); - -int dsa_paramgen_check_g(DSA *dsa); |