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/*
* Cryptographic API.
*
* Support for ACE (Advanced Crypto Engine) for S5PV210/EXYNOS4210.
*
* Copyright (c) 2011 Samsung Electronics
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _CRYPTO_S5P_ACE_H
#define _CRYPTO_S5P_ACE_H
/*****************************************************************
Definition - Mechanism
*****************************************************************/
#define BC_MODE_ENC 0
#define BC_MODE_DEC 1
/*
* Mechanism ID definition
* : Mech. Type (8-bit) : Algorithm (8-bit) : Info (8-bit)
* : Reserved (8-bit)
*/
#define _MECH_ID_(_TYPE_, _NAME_, _MODE_) \
((((_TYPE_) & 0xFF) << 24) \
| (((_NAME_) & 0xFF) << 16) \
| (((_MODE_) & 0xFF) << 8) \
| (((0) & 0xFF) << 0))
#define MI_MASK _MECH_ID_(0xFF, 0xFF, 0xFF)
#define MI_GET_TYPE(_t_) (((_t_) >> 24) & 0xFF)
#define MI_GET_NAME(_n_) (((_n_) >> 16) & 0xFF)
#define MI_GET_INFO(_i_) (((_i_) >> 8) & 0xFF)
/* type (8-bits) */
#define _TYPE_BC_ 0x01
#define _TYPE_HASH_ 0x02
#define _TYPE_MAC_ 0x03
/* block cipher: algorithm (8-bits) */
#define _NAME_DES_ 0x01
#define _NAME_TDES_ 0x02
#define _NAME_AES_ 0x03
/* block cipher: mode of operation */
#define _MODE_ECB_ 0x10
#define _MODE_CBC_ 0x20
#define _MODE_CTR_ 0x30
/* block cipher: padding method */
#define _PAD_NO_ 0x00
/*#define _PAD_ZERO_ 0x01 */ /* Not supported */
#define _PAD_PKCS7_ 0x02 /* Default padding method */
/*#define _PAD_ANSIX923_ 0x03 */ /* Not supported */
/*#define _PAD_ISO10126_ 0x04 */ /* Not supported */
#define MI_GET_MODE(_m_) (((_m_) >> 8) & 0xF0)
#define MI_GET_PADDING(_i_) (((_i_) >> 8) & 0x0F)
#define MI_AES_ECB _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_ECB_ | _PAD_NO_)
#define MI_AES_ECB_PAD _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_ECB_ | _PAD_PKCS7_)
#define MI_AES_CBC _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_CBC_ | _PAD_NO_)
#define MI_AES_CBC_PAD _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_CBC_ | _PAD_PKCS7_)
#define MI_AES_CTR _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_CTR_ | _PAD_NO_)
#define MI_AES_CTR_PAD _MECH_ID_(_TYPE_BC_, _NAME_AES_, \
_MODE_CTR_ | _PAD_PKCS7_)
/* hash: algorithm (8-bits) */
#define _NAME_HASH_SHA1_ 0x01
#define _NAME_HASH_MD5_ 0x02
#define MI_SHA1 _MECH_ID_(_TYPE_HASH_, _NAME_HASH_SHA1_, 0)
#define MI_MD5 _MECH_ID_(_TYPE_HASH_, _NAME_HASH_MD5_, 0)
/* hash: algorithm (8-bits) */
#define _NAME_HMAC_SHA1_ 0x01
#define MI_HMAC_SHA1 _MECH_ID_(_TYPE_MAC_, _NAME_HMAC_SHA1_, 0)
/* Flag bits */
#define FLAG_ENC_BIT (1 << 0)
#endif /* _CRYPTO_S5P_ACE_H */
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