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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 17:20:00 +0000 |
commit | 8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch) | |
tree | 4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/heimdal/lib/hcrypto/dsa.c | |
parent | Initial commit. (diff) | |
download | samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip |
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/dsa.c')
-rw-r--r-- | third_party/heimdal/lib/hcrypto/dsa.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/dsa.c b/third_party/heimdal/lib/hcrypto/dsa.c new file mode 100644 index 0000000..eac0ae6 --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/dsa.c @@ -0,0 +1,127 @@ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS 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 INSTITUTE OR 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. + */ + +#include <config.h> +#include <roken.h> + +#include <dsa.h> + +/* + * + */ + +DSA * +DSA_new(void) +{ + DSA *dsa = calloc(1, sizeof(*dsa)); + dsa->meth = rk_UNCONST(DSA_get_default_method()); + dsa->references = 1; + return dsa; +} + +void +DSA_free(DSA *dsa) +{ + if (dsa->references <= 0) + abort(); + + if (--dsa->references > 0) + return; + + (*dsa->meth->finish)(dsa); + +#define free_if(f) if (f) { BN_free(f); } + free_if(dsa->p); + free_if(dsa->q); + free_if(dsa->g); + free_if(dsa->pub_key); + free_if(dsa->priv_key); + free_if(dsa->kinv); + free_if(dsa->r); +#undef free_if + + memset_s(dsa, sizeof(*dsa), 0, sizeof(*dsa)); + free(dsa); + +} + +int +DSA_up_ref(DSA *dsa) +{ + return ++dsa->references; +} + +/* + * + */ + +static const DSA_METHOD dsa_null_method = { + "hcrypto null DSA", + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + 0, + NULL +}; + +const DSA_METHOD * +DSA_null_method(void) +{ + return &dsa_null_method; +} + + +const DSA_METHOD *dsa_default_mech = &dsa_null_method; + +void +DSA_set_default_method(const DSA_METHOD *mech) +{ + dsa_default_mech = mech; +} + +const DSA_METHOD * +DSA_get_default_method(void) +{ + return dsa_default_mech; +} + +int +DSA_verify(int type, const unsigned char * digest, int digest_len, + const unsigned char *sig, int sig_len, DSA *dsa) +{ + return -1; +} |