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65 lines
1.8 KiB
65 lines
1.8 KiB
/*
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* Copyright (c) 2015 Samsung Electronics Co., Ltd.
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*
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* Sensitive Data Protection
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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 version 2 as
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* published by the Free Software Foundation.
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef SDP_COMMON_H__
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#define SDP_COMMON_H__
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#include <linux/printk.h>
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#include <linux/types.h>
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#define PER_USER_RANGE 100000
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#define KNOX_PERSONA_BASE_ID 100
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#define DEK_USER_ID_OFFSET 100
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#define BASE_ID KNOX_PERSONA_BASE_ID
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#define GET_ARR_IDX(__userid) (__userid - BASE_ID)
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#define SDP_CACHE_CLEANUP_DEBUG 0
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typedef uid_t appid_t;
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#define AID_USER_OFFSET 100000 /* offset for uid ranges for each user */
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#define AID_APP_START 10000 /* first app user */
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#define AID_APP_END 19999 /* last app user */
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#define AID_VENDOR_DDAR_DE_ACCESS (5300)
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static inline bool uid_is_app(uid_t uid)
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{
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appid_t appid = uid % AID_USER_OFFSET;
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return appid >= AID_APP_START && appid <= AID_APP_END;
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}
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void dek_add_to_log(int engine_id, char *buffer);
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static inline void secure_zeroout(const char *msg, unsigned char *raw, unsigned int size)
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{
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int i, verified = 1;
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volatile unsigned char *p = (volatile unsigned char *) raw;
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for (i = 0; i < size; i++)
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p[i] = 0;
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for (i = 0; i < size; i++) {
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if (p[i] != 0)
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verified = 0;
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}
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if (!verified)
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printk(KERN_WARNING "%s:%s verified:%d\n", __func__, msg, verified);
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}
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#endif
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