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124 lines
4.3 KiB
124 lines
4.3 KiB
/* ==================================================================== |
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* Copyright (c) 2000 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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* licensing@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 "eng_int.h" |
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/* |
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* If this symbol is defined then ENGINE_get_default_DSA(), the function that |
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* is used by DSA to hook in implementation code and cache defaults (etc), |
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* will display brief debugging summaries to stderr with the 'nid'. |
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*/ |
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/* #define ENGINE_DSA_DEBUG */ |
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static ENGINE_TABLE *dsa_table = NULL; |
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static const int dummy_nid = 1; |
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void ENGINE_unregister_DSA(ENGINE *e) |
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{ |
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engine_table_unregister(&dsa_table, e); |
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} |
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static void engine_unregister_all_DSA(void) |
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{ |
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engine_table_cleanup(&dsa_table); |
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} |
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int ENGINE_register_DSA(ENGINE *e) |
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{ |
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if (e->dsa_meth) |
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return engine_table_register(&dsa_table, |
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engine_unregister_all_DSA, e, &dummy_nid, |
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1, 0); |
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return 1; |
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} |
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void ENGINE_register_all_DSA() |
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{ |
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ENGINE *e; |
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for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e)) |
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ENGINE_register_DSA(e); |
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} |
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int ENGINE_set_default_DSA(ENGINE *e) |
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{ |
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if (e->dsa_meth) |
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return engine_table_register(&dsa_table, |
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engine_unregister_all_DSA, e, &dummy_nid, |
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1, 1); |
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return 1; |
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} |
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/* |
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* Exposed API function to get a functional reference from the implementation |
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* table (ie. try to get a functional reference from the tabled structural |
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* references). |
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*/ |
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ENGINE *ENGINE_get_default_DSA(void) |
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{ |
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return engine_table_select(&dsa_table, dummy_nid); |
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} |
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/* Obtains an DSA implementation from an ENGINE functional reference */ |
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const DSA_METHOD *ENGINE_get_DSA(const ENGINE *e) |
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{ |
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return e->dsa_meth; |
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} |
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/* Sets an DSA implementation in an ENGINE structure */ |
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int ENGINE_set_DSA(ENGINE *e, const DSA_METHOD *dsa_meth) |
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{ |
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e->dsa_meth = dsa_meth; |
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return 1; |
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}
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