diff options
Diffstat (limited to 'main/openssl/crypto/dh/dh_asn1.c')
| -rw-r--r-- | main/openssl/crypto/dh/dh_asn1.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/main/openssl/crypto/dh/dh_asn1.c b/main/openssl/crypto/dh/dh_asn1.c new file mode 100644 index 00000000..0b4357d6 --- /dev/null +++ b/main/openssl/crypto/dh/dh_asn1.c @@ -0,0 +1,93 @@ +/* dh_asn1.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 2000. + */ +/* ==================================================================== + * Copyright (c) 2000-2005 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 <stdio.h> +#include "cryptlib.h" +#include <openssl/bn.h> +#include <openssl/dh.h> +#include <openssl/objects.h> +#include <openssl/asn1t.h> + +/* Override the default free and new methods */ +static int dh_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + if(operation == ASN1_OP_NEW_PRE) { + *pval = (ASN1_VALUE *)DH_new(); + if(*pval) return 2; + return 0; + } else if(operation == ASN1_OP_FREE_PRE) { + DH_free((DH *)*pval); + *pval = NULL; + return 2; + } + return 1; +} + +ASN1_SEQUENCE_cb(DHparams, dh_cb) = { + ASN1_SIMPLE(DH, p, BIGNUM), + ASN1_SIMPLE(DH, g, BIGNUM), + ASN1_OPT(DH, length, ZLONG), +} ASN1_SEQUENCE_END_cb(DH, DHparams) + +IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DH, DHparams, DHparams) + +DH *DHparams_dup(DH *dh) + { + return ASN1_item_dup(ASN1_ITEM_rptr(DHparams), dh); + } |