237 lines
7.1 KiB
C
237 lines
7.1 KiB
C
/*
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* Lasso - A free implementation of the Liberty Alliance specifications.
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*
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* Copyright (C) 2004-2011 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "./key.h"
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#include "./keyprivate.h"
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#include "./xml/private.h"
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/*****************************************************************************/
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/* private methods */
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/*****************************************************************************/
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struct _LassoKeyPrivate {
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enum _LassoKeyType type;
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union {
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LassoSignatureContext signature;
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} context;
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};
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#define LASSO_KEY_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE ((o), LASSO_TYPE_KEY, LassoKeyPrivate))
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static struct XmlSnippet schema_snippets[] = {
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{NULL, 0, 0, NULL, NULL, NULL}
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};
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static LassoNodeClass *parent_class = NULL;
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/*****************************************************************************/
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/* instance and class init functions */
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/*****************************************************************************/
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static void
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instance_init(LassoKey *key)
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{
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key->private_data = LASSO_KEY_GET_PRIVATE(key);
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}
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static void
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dispose(GObject *g_object)
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{
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LassoKey *key = (LassoKey*)g_object;
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if (key->private_data) {
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switch (key->private_data->type) {
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case LASSO_KEY_TYPE_FOR_SIGNATURE:
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lasso_assign_new_signature_context(
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key->private_data->context.signature,
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LASSO_SIGNATURE_CONTEXT_NONE);
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break;
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}
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}
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G_OBJECT_CLASS(parent_class)->dispose(G_OBJECT(key));
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}
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static void
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class_init(LassoKeyClass *klass)
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{
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LassoNodeClass *nclass = LASSO_NODE_CLASS(klass);
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parent_class = g_type_class_peek_parent(klass);
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nclass->node_data = g_new0(LassoNodeClassData, 1);
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lasso_node_class_set_nodename(nclass, "Key");
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lasso_node_class_set_ns(nclass, LASSO_LASSO_HREF, LASSO_LASSO_PREFIX);
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lasso_node_class_add_snippets(nclass, schema_snippets);
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g_type_class_add_private(klass, sizeof(LassoKeyPrivate));
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G_OBJECT_CLASS(klass)->dispose = dispose;
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}
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GType
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lasso_key_get_type()
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{
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static GType this_type = 0;
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if (!this_type) {
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static const GTypeInfo this_info = {
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sizeof (LassoKeyClass),
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NULL,
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NULL,
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(GClassInitFunc) class_init,
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NULL,
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NULL,
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sizeof(LassoKey),
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0,
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(GInstanceInitFunc) instance_init,
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NULL
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};
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this_type = g_type_register_static(LASSO_TYPE_NODE,
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"LassoKey", &this_info, 0);
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}
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return this_type;
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}
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static LassoKey*
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lasso_key_new()
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{
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return g_object_new(LASSO_TYPE_KEY, NULL);
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}
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static LassoKey*
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lasso_key_new_for_signature_from_context(LassoSignatureContext context) {
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LassoKey *key = lasso_key_new();
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key->private_data->type = LASSO_KEY_TYPE_FOR_SIGNATURE;
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lasso_assign_new_signature_context(
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key->private_data->context.signature, context);
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if (! lasso_validate_signature_context(key->private_data->context.signature)) {
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lasso_release_gobject(key);
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}
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return key;
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}
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/**
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* lasso_key_new_for_signature_from_file;
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* @filename_or_buffer: a file path of a string containing the key PEM or Base64 encoded
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* @password: an eventual password to decoded the private key contained in @buffer
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* @signature_method: the signature method to associate to this key
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* @certificate: a certificate as a file path or PEM encoded in a NULL-terminated string, to
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* associate with the key, it will be used to fill the KeyInfo node in an eventual signature.
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*
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* Create a new #LassoKey object, you can use it to sign XML message or to specify the key of a
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* provider.
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*
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* Return value:(transfer full): a newly allocated #LassoKey object
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*/
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LassoKey*
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lasso_key_new_for_signature_from_file(char *filename_or_buffer,
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char *password,
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LassoSignatureMethod signature_method,
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char *certificate) {
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return lasso_key_new_for_signature_from_context(
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lasso_make_signature_context_from_path_or_string(filename_or_buffer,
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password,
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signature_method,
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certificate));
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}
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/**
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* lasso_key_new_for_signature_from_memory;
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* @buffer: a byte buffer of size @size
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* @size: the size of @buffer
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* @password: an eventual password to decoded the private key contained in @buffer
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* @signature_method: the signature method to associate to this key
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* @certificate: a certificate as a file path or PEM encoded in a NULL-terminated string, to
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* associate with the key, it will be used to fill the KeyInfo node in an eventual signature.
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*
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* Create a new #LassoKey object, you can use it to sign XML message or to specify the key of a
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* provider.
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*
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* Return value:(transfer full): a newly allocated #LassoKey object
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*/
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LassoKey*
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lasso_key_new_for_signature_from_memory(void *buffer,
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size_t size,
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char *password,
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LassoSignatureMethod signature_method,
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char *certificate)
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{
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return lasso_key_new_for_signature_from_context(
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lasso_make_signature_context_from_buffer(buffer,
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size,
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password,
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signature_method,
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certificate));
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}
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/**
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* lasso_key_new_for_signature_from_base64_string;
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* @base64_string: a NULL-terminated string containing a base64 encode representation of the key
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* @password: an eventual password to decoded the private key contained in @buffer
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* @signature_method: the signature method to associate to this key
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* @certificate: a certificate as a file path or PEM encoded in a NULL-terminated string, to
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* associate with the key, it will be used to fill the KeyInfo node in an eventual signature.
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*
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* Create a new #LassoKey object, you can use it to sign XML message or to specify the key of a
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* provider.
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*
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* Return value:(transfer full): a newly allocated #LassoKey object
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*/
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LassoKey*
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lasso_key_new_for_signature_from_base64_string(char *base64_string,
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char *password,
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LassoSignatureMethod signature_method,
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char *certificate)
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{
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LassoKey *key = NULL;
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char *buffer = NULL;
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int length = 0;
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if (lasso_base64_decode(base64_string, &buffer, &length)) {
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key = lasso_key_new_for_signature_from_context(
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lasso_make_signature_context_from_buffer(buffer,
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length,
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password,
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signature_method,
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certificate));
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lasso_release_string(buffer);
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}
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return key;
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}
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LassoSignatureContext
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lasso_key_get_signature_context(LassoKey *key) {
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if (key->private_data && key->private_data->type == LASSO_KEY_TYPE_FOR_SIGNATURE) {
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return key->private_data->context.signature;
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}
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return LASSO_SIGNATURE_CONTEXT_NONE;
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}
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LassoKeyType
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lasso_key_get_key_type(LassoKey *key) {
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lasso_return_val_if_fail(LASSO_IS_KEY(key),
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LASSO_KEY_TYPE_FOR_SIGNATURE);
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return key->private_data->type;
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}
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