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/*
**
** Copyright 2009, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef __KEYSTORE_GET_H__
#define __KEYSTORE_GET_H__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "certtool.h"
/* This function is provided to native components to get values from keystore.
* Users are required to link against libcutils. If something goes wrong, NULL
* is returned. Otherwise it returns the value in dynamically allocated memory
* and sets the size if the pointer is not NULL. One can release the memory by
* calling free(). */
static char *keystore_get(char *key, int *size)
{
char buffer[MAX_KEY_VALUE_LENGTH];
char *value;
int length;
if (get_cert(key, (unsigned char *)buffer, &length) != 0) {
return NULL;
}
value = malloc(length + 1);
if (!value) {
return NULL;
}
memcpy(value, buffer, length);
value[length] = 0;
if (size) {
*size = length;
}
return value;
}
#endif
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