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Diffstat (limited to 'crypto/engine/tb_ecdsa.c')
| -rw-r--r-- | crypto/engine/tb_ecdsa.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/crypto/engine/tb_ecdsa.c b/crypto/engine/tb_ecdsa.c new file mode 100644 index 000000000000..005ecb622c21 --- /dev/null +++ b/crypto/engine/tb_ecdsa.c @@ -0,0 +1,118 @@ +/* ==================================================================== + * Copyright (c) 2000-2002 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 + * licensing@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). + * + */ + +#include "eng_int.h" + +/* If this symbol is defined then ENGINE_get_default_ECDSA(), the function that is + * used by ECDSA to hook in implementation code and cache defaults (etc), will + * display brief debugging summaries to stderr with the 'nid'. */ +/* #define ENGINE_ECDSA_DEBUG */ + +static ENGINE_TABLE *ecdsa_table = NULL; +static const int dummy_nid = 1; + +void ENGINE_unregister_ECDSA(ENGINE *e) + { + engine_table_unregister(&ecdsa_table, e); + } + +static void engine_unregister_all_ECDSA(void) + { + engine_table_cleanup(&ecdsa_table); + } + +int ENGINE_register_ECDSA(ENGINE *e) + { + if(e->ecdsa_meth) + return engine_table_register(&ecdsa_table, + engine_unregister_all_ECDSA, e, &dummy_nid, 1, 0); + return 1; + } + +void ENGINE_register_all_ECDSA() + { + ENGINE *e; + + for(e=ENGINE_get_first() ; e ; e=ENGINE_get_next(e)) + ENGINE_register_ECDSA(e); + } + +int ENGINE_set_default_ECDSA(ENGINE *e) + { + if(e->ecdsa_meth) + return engine_table_register(&ecdsa_table, + engine_unregister_all_ECDSA, e, &dummy_nid, 1, 1); + return 1; + } + +/* Exposed API function to get a functional reference from the implementation + * table (ie. try to get a functional reference from the tabled structural + * references). */ +ENGINE *ENGINE_get_default_ECDSA(void) + { + return engine_table_select(&ecdsa_table, dummy_nid); + } + +/* Obtains an ECDSA implementation from an ENGINE functional reference */ +const ECDSA_METHOD *ENGINE_get_ECDSA(const ENGINE *e) + { + return e->ecdsa_meth; + } + +/* Sets an ECDSA implementation in an ENGINE structure */ +int ENGINE_set_ECDSA(ENGINE *e, const ECDSA_METHOD *ecdsa_meth) + { + e->ecdsa_meth = ecdsa_meth; + return 1; + } |