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Diffstat (limited to 'drivers/crypto/ace.h')
| -rw-r--r-- | drivers/crypto/ace.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/crypto/ace.h b/drivers/crypto/ace.h new file mode 100644 index 0000000..8d75d14 --- /dev/null +++ b/drivers/crypto/ace.h @@ -0,0 +1,103 @@ +/* + * 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 */ |