aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/dsa/dsa_asn1.c
diff options
context:
space:
mode:
authorSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
committerSimon L. B. Nielsen <simon@FreeBSD.org>2008-08-23 10:51:00 +0000
commitc4a78426bef17a0a7c81195c2b2399e7441f14ad (patch)
tree596c39f00d5968b1519e8cd7f0546412b14c20f0 /crypto/dsa/dsa_asn1.c
parenta0ddfe4e7233d81e88a86217b7653708db2720fa (diff)
downloadsrc-c4a78426bef17a0a7c81195c2b2399e7441f14ad.tar.gz
src-c4a78426bef17a0a7c81195c2b2399e7441f14ad.zip
Flatten OpenSSL vendor tree.
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=182044
Diffstat (limited to 'crypto/dsa/dsa_asn1.c')
-rw-r--r--crypto/dsa/dsa_asn1.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/crypto/dsa/dsa_asn1.c b/crypto/dsa/dsa_asn1.c
new file mode 100644
index 000000000000..23fce555aa40
--- /dev/null
+++ b/crypto/dsa/dsa_asn1.c
@@ -0,0 +1,140 @@
+/* dsa_asn1.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 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/dsa.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+
+/* Override the default new methods */
+static int sig_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ if(operation == ASN1_OP_NEW_PRE) {
+ DSA_SIG *sig;
+ sig = OPENSSL_malloc(sizeof(DSA_SIG));
+ sig->r = NULL;
+ sig->s = NULL;
+ *pval = (ASN1_VALUE *)sig;
+ if(sig) return 2;
+ DSAerr(DSA_F_SIG_CB, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ return 1;
+}
+
+ASN1_SEQUENCE_cb(DSA_SIG, sig_cb) = {
+ ASN1_SIMPLE(DSA_SIG, r, CBIGNUM),
+ ASN1_SIMPLE(DSA_SIG, s, CBIGNUM)
+} ASN1_SEQUENCE_END_cb(DSA_SIG, DSA_SIG)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(DSA_SIG)
+
+/* Override the default free and new methods */
+static int dsa_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ if(operation == ASN1_OP_NEW_PRE) {
+ *pval = (ASN1_VALUE *)DSA_new();
+ if(*pval) return 2;
+ return 0;
+ } else if(operation == ASN1_OP_FREE_PRE) {
+ DSA_free((DSA *)*pval);
+ *pval = NULL;
+ return 2;
+ }
+ return 1;
+}
+
+ASN1_SEQUENCE_cb(DSAPrivateKey, dsa_cb) = {
+ ASN1_SIMPLE(DSA, version, LONG),
+ ASN1_SIMPLE(DSA, p, BIGNUM),
+ ASN1_SIMPLE(DSA, q, BIGNUM),
+ ASN1_SIMPLE(DSA, g, BIGNUM),
+ ASN1_SIMPLE(DSA, pub_key, BIGNUM),
+ ASN1_SIMPLE(DSA, priv_key, BIGNUM)
+} ASN1_SEQUENCE_END_cb(DSA, DSAPrivateKey)
+
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPrivateKey, DSAPrivateKey)
+
+ASN1_SEQUENCE_cb(DSAparams, dsa_cb) = {
+ ASN1_SIMPLE(DSA, p, BIGNUM),
+ ASN1_SIMPLE(DSA, q, BIGNUM),
+ ASN1_SIMPLE(DSA, g, BIGNUM),
+} ASN1_SEQUENCE_END_cb(DSA, DSAparams)
+
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAparams, DSAparams)
+
+/* DSA public key is a bit trickier... its effectively a CHOICE type
+ * decided by a field called write_params which can either write out
+ * just the public key as an INTEGER or the parameters and public key
+ * in a SEQUENCE
+ */
+
+ASN1_SEQUENCE(dsa_pub_internal) = {
+ ASN1_SIMPLE(DSA, pub_key, BIGNUM),
+ ASN1_SIMPLE(DSA, p, BIGNUM),
+ ASN1_SIMPLE(DSA, q, BIGNUM),
+ ASN1_SIMPLE(DSA, g, BIGNUM)
+} ASN1_SEQUENCE_END_name(DSA, dsa_pub_internal)
+
+ASN1_CHOICE_cb(DSAPublicKey, dsa_cb) = {
+ ASN1_SIMPLE(DSA, pub_key, BIGNUM),
+ ASN1_EX_COMBINE(0, 0, dsa_pub_internal)
+} ASN1_CHOICE_END_cb(DSA, DSAPublicKey, write_params)
+
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DSA, DSAPublicKey, DSAPublicKey)