diff options
-rw-r--r-- | decrepit/CMakeLists.txt | 2 | ||||
-rw-r--r-- | decrepit/dh/CMakeLists.txt | 9 | ||||
-rw-r--r-- | decrepit/dh/dh_decrepit.c | 103 |
3 files changed, 114 insertions, 0 deletions
diff --git a/decrepit/CMakeLists.txt b/decrepit/CMakeLists.txt index 7ff5c10c..cb6e20d7 100644 --- a/decrepit/CMakeLists.txt +++ b/decrepit/CMakeLists.txt @@ -2,6 +2,7 @@ add_subdirectory(bio) add_subdirectory(blowfish) add_subdirectory(cast) add_subdirectory(des) +add_subdirectory(dh) add_subdirectory(dsa) add_subdirectory(evp) add_subdirectory(obj) @@ -18,6 +19,7 @@ add_library( $<TARGET_OBJECTS:blowfish> $<TARGET_OBJECTS:cast> $<TARGET_OBJECTS:des_decrepit> + $<TARGET_OBJECTS:dh_decrepit> $<TARGET_OBJECTS:dsa_decrepit> $<TARGET_OBJECTS:evp_decrepit> $<TARGET_OBJECTS:obj_decrepit> diff --git a/decrepit/dh/CMakeLists.txt b/decrepit/dh/CMakeLists.txt new file mode 100644 index 00000000..fb862b51 --- /dev/null +++ b/decrepit/dh/CMakeLists.txt @@ -0,0 +1,9 @@ +include_directories(../../include) + +add_library( + dh_decrepit + + OBJECT + + dh_decrepit.c +) diff --git a/decrepit/dh/dh_decrepit.c b/decrepit/dh/dh_decrepit.c new file mode 100644 index 00000000..1d38c12e --- /dev/null +++ b/decrepit/dh/dh_decrepit.c @@ -0,0 +1,103 @@ +/* ==================================================================== + * Copyright (c) 1998-2002 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 + * 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). */ + +#include <openssl/bn.h> +#include <openssl/dh.h> + + +struct wrapped_callback { + void (*callback)(int, int, void *); + void *arg; +}; + +/* callback_wrapper converts an “old” style generation callback to the newer + * |BN_GENCB| form. */ +static int callback_wrapper(int event, int n, BN_GENCB *gencb) { + struct wrapped_callback *wrapped = (struct wrapped_callback *) gencb->arg; + wrapped->callback(event, n, wrapped->arg); + return 1; +} + +DH *DH_generate_parameters(int prime_len, int generator, + void (*callback)(int, int, void *), void *cb_arg) { + if (prime_len < 0 || generator < 0) { + return NULL; + } + + DH *ret = DH_new(); + if (ret == NULL) { + return NULL; + } + + BN_GENCB gencb_storage; + BN_GENCB *cb = NULL; + + struct wrapped_callback wrapped; + + if (callback != NULL) { + wrapped.callback = callback; + wrapped.arg = cb_arg; + + cb = &gencb_storage; + BN_GENCB_set(cb, callback_wrapper, &wrapped); + } + + if (!DH_generate_parameters_ex(ret, prime_len, generator, cb)) { + goto err; + } + + return ret; + +err: + DH_free(ret); + return NULL; +} |