xref: /optee_os/lib/libutee/include/utee_defines.h (revision b01047730e77127c23a36591643eeb8bb0487d68)

/*
 * Copyright (c) 2014, STMicroelectronics International N.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef UTEE_DEFINES_H
#define UTEE_DEFINES_H

/*
 * Copied from TEE Internal API specificaion v1.0 table 6-9 "Structure of
 * Algorithm Identifier".
 */
#define TEE_MAIN_ALGO_MD5       0x01
#define TEE_MAIN_ALGO_SHA1      0x02
#define TEE_MAIN_ALGO_SHA224    0x03
#define TEE_MAIN_ALGO_SHA256    0x04
#define TEE_MAIN_ALGO_SHA384    0x05
#define TEE_MAIN_ALGO_SHA512    0x06
#define TEE_MAIN_ALGO_AES       0x10
#define TEE_MAIN_ALGO_DES       0x11
#define TEE_MAIN_ALGO_DES2      0x12
#define TEE_MAIN_ALGO_DES3      0x13
#define TEE_MAIN_ALGO_RSA       0x30
#define TEE_MAIN_ALGO_DSA       0x31
#define TEE_MAIN_ALGO_DH        0x32

#define TEE_CHAIN_MODE_ECB_NOPAD        0x0
#define TEE_CHAIN_MODE_CBC_NOPAD        0x1
#define TEE_CHAIN_MODE_CTR              0x2
#define TEE_CHAIN_MODE_CTS              0x3
#define TEE_CHAIN_MODE_XTS              0x4
#define TEE_CHAIN_MODE_CBC_MAC_PKCS5    0x5
#define TEE_CHAIN_MODE_CMAC             0x6
#define TEE_CHAIN_MODE_CCM              0x7
#define TEE_CHAIN_MODE_GCM              0x8
#define TEE_CHAIN_MODE_PKCS1_PSS_MGF1   0x9	/* ??? */

	/* Bits [31:28] */
#define TEE_ALG_GET_CLASS(algo)         (((algo) >> 28) & 0xF)

#define TEE_ALG_GET_KEY_TYPE(algo, with_private_key) \
        (TEE_ALG_GET_MAIN_ALG(algo) | \
            ((with_private_key) ? 0xA1000000 : 0xA0000000))

	/* Bits [7:0] */
#define TEE_ALG_GET_MAIN_ALG(algo)      ((algo) & 0xFF)

	/* Bits [11:8] */
#define TEE_ALG_GET_CHAIN_MODE(algo)    (((algo) >> 8) & 0xF)

	/* Bits [15:12] */
#define TEE_ALG_GET_DIGEST_HASH(algo)   (((algo) >> 12) & 0xF)

	/* Bits [23:20] */
#define TEE_ALG_GET_INTERNAL_HASH(algo) (((algo) >> 20) & 0x7)

	/* Return hash algorithm based on main hash */
#define TEE_ALG_HASH_ALGO(main_hash) \
        (TEE_OPERATION_DIGEST << 28 | (main_hash))

	/* Extract internal hash and return hash algorithm */
#define TEE_INTERNAL_HASH_TO_ALGO(algo) \
                TEE_ALG_HASH_ALGO(TEE_ALG_GET_INTERNAL_HASH(algo))

	/* Extract digest hash and return hash algorithm */
#define TEE_DIGEST_HASH_TO_ALGO(algo) \
                TEE_ALG_HASH_ALGO(TEE_ALG_GET_DIGEST_HASH(algo))

#define TEE_AES_BLOCK_SIZE  16UL
#define TEE_DES_BLOCK_SIZE  8UL

#define TEE_AES_MAX_KEY_SIZE    32UL

	/* SHA-512 */
#ifndef TEE_MD5_HASH_SIZE
typedef enum {
	TEE_MD5_HASH_SIZE = 16,
	TEE_SHA1_HASH_SIZE = 20,
	TEE_SHA224_HASH_SIZE = 28,
	TEE_SHA256_HASH_SIZE = 32,
	TEE_SHA384_HASH_SIZE = 48,
	TEE_SHA512_HASH_SIZE = 64,
	TEE_MD5SHA1_HASH_SIZE = (TEE_MD5_HASH_SIZE + TEE_SHA1_HASH_SIZE),
	TEE_MAX_HASH_SIZE = 64,
} t_hash_size;
#endif

#define TEE_MAC_SIZE_AES_CBC_MAC_NOPAD
#define TEE_MAC_SIZE_AES_CBC_MAC_PKCS5
#define TEE_MAC_SIZE_AES_CMAC
#define TEE_MAC_SIZE_DES_CBC_MAC_PKCS5

/*
 * Bit indicating that the attribute is a value attribute
 * See TEE Internal API specificaion v1.0 table 6-12 "Partial Structure of
 * Attribute Identifier"
 */
#define TEE_ATTR_BIT_VALUE                  (1 << 29)

#ifndef MAX
#define MAX(a, b) \
       __extension__({ __typeof__(a) _a = (a); \
           __typeof__(b) _b = (b); \
         _a > _b ? _a : _b; })

#define MIN(a, b) \
       __extension__({ __typeof__(a) _a = (a); \
           __typeof__(b) _b = (b); \
         _a < _b ? _a : _b; })
#endif

/* Round up the even multiple of size, size has to be a multiple of 2 */
#define TEE_ROUNDUP(v, size) (((v) + (size - 1)) & ~(size - 1))

/* Round down the even multiple of size, size has to be a multiple of 2 */
#define TEE_ROUNDDOWN(v, size) ((v) & ~(size - 1))

#define TEE_U32_BSWAP(x) ( \
        (((x) & 0xff000000) >> 24) | \
        (((x) & 0x00ff0000) >>  8) | \
        (((x) & 0x0000ff00) <<  8) | \
        (((x) & 0x000000ff) << 24))

#define TEE_U16_BSWAP(x) ( \
        (((x) & 0xff00) >> 8) | \
        (((x) & 0x00ff) << 8))

/* If we we're on a big endian platform we'll have to update these */
#define TEE_U32_FROM_BIG_ENDIAN(x)  TEE_U32_BSWAP(x)
#define TEE_U16_FROM_BIG_ENDIAN(x)  TEE_U16_BSWAP(x)
#define TEE_U32_TO_BIG_ENDIAN(x)    TEE_U32_BSWAP(x)
#define TEE_U16_TO_BIG_ENDIAN(x)    TEE_U16_BSWAP(x)

#ifndef TEE_ALIGNMENT_IS_OK
#ifdef CFG_TC_NO_ALIGNOF
#define TEE_ALIGNMENT_1B_IS_OK(p, type)    (true)
#define TEE_ALIGNMENT_2B_IS_OK(p, type)    (((((unsigned long)&(p)) & 1) == 0) ? true : false)
#define TEE_ALIGNMENT_4B_IS_OK(p, type)    (((((unsigned long)&(p)) & 3) == 0) ? true : false)
#define TEE_ALIGNMENT_8B_IS_OK(p, type)    (((((unsigned long)&(p)) & 7) == 0) ? true : false)
#define TEE_ALIGNMENT_IS_OK(p, type)       TEE_ALIGNMENT_4B_IS_OK(p, type)
#else
#define TEE_ALIGNMENT_1B_IS_OK(p, type)    TEE_ALIGNMENT_WRAP_IS_OK(p, type)
#define TEE_ALIGNMENT_2B_IS_OK(p, type)    TEE_ALIGNMENT_WRAP_IS_OK(p, type)
#define TEE_ALIGNMENT_4B_IS_OK(p, type)    TEE_ALIGNMENT_WRAP_IS_OK(p, type)
#define TEE_ALIGNMENT_8B_IS_OK(p, type)    TEE_ALIGNMENT_WRAP_IS_OK(p, type)
#define TEE_ALIGNMENT_IS_OK(p, type)       TEE_ALIGNMENT_WRAP_IS_OK(p, type)

#define TEE_ALIGNMENT_WRAP_IS_OK(p, type)                        \
        (((uintptr_t)p & (__tee_assert_alignof__(type) - 1)) == 0)

#define __tee_assert_alignof__(type) __alignof__(type)
#endif
#endif

#define TEE_TIME_MILLIS_BASE    1000

#define TEE_TIME_LT(t1, t2)				\
    (((t1).seconds == (t2).seconds) ?			\
        ((t1).millis < (t2).millis) :			\
        ((t1).seconds < (t2).seconds))

#define TEE_TIME_LE(t1, t2)				\
    (((t1).seconds == (t2).seconds) ?			\
        ((t1).millis <= (t2).millis) :			\
        ((t1).seconds <= (t2).seconds))

#define TEE_TIME_ADD(t1, t2, dst) do {                      \
        (dst).seconds = (t1).seconds + (t2).seconds;        \
        (dst).millis = (t1).millis + (t2).millis;           \
        if ((dst).millis >= TEE_TIME_MILLIS_BASE) {         \
            (dst).seconds++;                                \
            (dst).millis -= TEE_TIME_MILLIS_BASE;           \
        }                                                   \
    } while (0)

#define TEE_TIME_SUB(t1, t2, dst) do {                      \
        (dst).seconds = (t1).seconds - (t2).seconds;        \
        if ((t1).millis < (t2).millis) {                    \
            (dst).seconds--;                                \
            (dst).millis = (t1).millis + TEE_TIME_MILLIS_BASE - (t2).millis;\
        } else {                                            \
            (dst).millis = (t1).millis - (t2).millis;       \
        }                                                   \
    } while (0)

/* ------------------------------------------------------------ */
/* OTP mapping                                                  */
/* ------------------------------------------------------------ */
#define HW_UNIQUE_KEY_WORD1      (8)
#define HW_UNIQUE_KEY_LENGTH     (16)
#define HW_UNIQUE_KEY_WORD2      (HW_UNIQUE_KEY_WORD1 + 1)
#define HW_UNIQUE_KEY_WORD3      (HW_UNIQUE_KEY_WORD1 + 2)
#define HW_UNIQUE_KEY_WORD4      (HW_UNIQUE_KEY_WORD1 + 3)

#endif /* UTEE_DEFINES_H */