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patterns: Added OPTEE Trusted Application format

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Nik
2025-05-13 22:17:05 +02:00
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README.md
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@@ -158,6 +158,7 @@ Everything will immediately show up in ImHex's Content Store and gets bundled wi
| StuffItV5 | `application/x-stuffit` | [`patterns/sit5.hexpat`](patterns/sit5.hexpat) | StuffIt V5 archive |
| SQLite3 | `application/vnd.sqlite3` | [`patterns/sqlite3.hexpat`](patterns/sqlite3.hexpat) | SQLite3 Database |
| SWF | `application/x-shockwave-flash` |[`patterns/swf.hexpat`](patterns/swf.hexpat) | Shockwave Flash file format |
| TA | | [`patterns/optee_ta.hexpat`](patterns/optee_ta.hexpat) | OPTEE Trusted Application Executable |
| TAR | `application/x-tar` | [`patterns/tar.hexpat`](patterns/tar.hexpat) | Tar file format |
| TES | | [`patterns/wintec_tes.hexpat`](patterns/wintec_tes.hexpat) | Wintec TES GPS log |
| Thumbcache | | [`patterns/thumbcache.hexpat`](patterns/thumbcache.hexpat) | Windows thumbcache_*.db |

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patterns/optee_ta.hexpat Normal file
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import type.magic;
import type.size;
import type.guid;
import std.mem;
import * from elf as ELF;
enum shdr_img_type : u32 {
SHDR_TA = 0,
SHDR_BOOTSTRAP_TA = 1,
SHDR_ENCRYPTED_TA = 2,
SHDR_SUBKEY = 3
};
enum tee_algorithm : u32 {
TEE_ALG_AES_ECB_NOPAD = 0x10000010,
TEE_ALG_AES_CBC_NOPAD = 0x10000110,
TEE_ALG_AES_CTR = 0x10000210,
TEE_ALG_AES_CTS = 0x10000310,
TEE_ALG_AES_XTS = 0x10000410,
TEE_ALG_AES_CBC_MAC_NOPAD = 0x30000110,
TEE_ALG_AES_CBC_MAC_PKCS5 = 0x30000510,
TEE_ALG_AES_CMAC = 0x30000610,
TEE_ALG_AES_CCM = 0x40000710,
TEE_ALG_AES_GCM = 0x40000810,
TEE_ALG_DES_ECB_NOPAD = 0x10000011,
TEE_ALG_DES_CBC_NOPAD = 0x10000111,
TEE_ALG_DES_CBC_MAC_NOPAD = 0x30000111,
TEE_ALG_DES_CBC_MAC_PKCS5 = 0x30000511,
TEE_ALG_DES3_ECB_NOPAD = 0x10000013,
TEE_ALG_DES3_CBC_NOPAD = 0x10000113,
TEE_ALG_DES3_CBC_MAC_NOPAD = 0x30000113,
TEE_ALG_DES3_CBC_MAC_PKCS5 = 0x30000513,
TEE_ALG_SM4_ECB_NOPAD = 0x10000014,
TEE_ALG_SM4_CBC_NOPAD = 0x10000114,
TEE_ALG_SM4_CTR = 0x10000214,
TEE_ALG_RSASSA_PKCS1_V1_5_MD5 = 0x70001830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA1 = 0x70002830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA224 = 0x70003830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA256 = 0x70004830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA384 = 0x70005830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA512 = 0x70006830,
TEE_ALG_RSASSA_PKCS1_V1_5_MD5SHA1 = 0x7000F830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA3_224 = 0x70008830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA3_256 = 0x70009830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA3_384 = 0x7000A830,
TEE_ALG_RSASSA_PKCS1_V1_5_SHA3_512 = 0x7000B830,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA1 = 0x70212930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA224 = 0x70313930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA256 = 0x70414930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA384 = 0x70515930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA512 = 0x70616930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA3_224 = 0x70818930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA3_256 = 0x70919930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA3_384 = 0x70A1A930,
TEE_ALG_RSASSA_PKCS1_PSS_MGF1_SHA3_512 = 0x70B1B930,
TEE_ALG_RSAES_PKCS1_V1_5 = 0x60000130,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA1 = 0x60210230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA224 = 0x60310230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA256 = 0x60410230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA384 = 0x60510230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA512 = 0x60610230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA3_224 = 0x60810230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA3_256 = 0x60910230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA3_384 = 0x60A10230,
TEE_ALG_RSAES_PKCS1_OAEP_MGF1_SHA3_512 = 0x60B10230,
TEE_ALG_RSA_NOPAD = 0x60000030,
TEE_ALG_DSA_SHA1 = 0x70002131,
TEE_ALG_DSA_SHA224 = 0x70003131,
TEE_ALG_DSA_SHA256 = 0x70004131,
TEE_ALG_DSA_SHA3_224 = 0x70008131,
TEE_ALG_DSA_SHA3_256 = 0x70009131,
TEE_ALG_DSA_SHA3_384 = 0x7000A131,
TEE_ALG_DSA_SHA3_512 = 0x7000B131,
TEE_ALG_SM2_DSA_SM3 = 0x70006045,
TEE_ALG_DH_DERIVE_SHARED_SECRET = 0x80000032,
TEE_ALG_SM2_KEP = 0x60000045,
TEE_ALG_MD5 = 0x50000001,
TEE_ALG_SHA1 = 0x50000002,
TEE_ALG_SHA224 = 0x50000003,
TEE_ALG_SHA256 = 0x50000004,
TEE_ALG_SHA384 = 0x50000005,
TEE_ALG_SHA512 = 0x50000006,
TEE_ALG_SHA3_224 = 0x50000008,
TEE_ALG_SHA3_256 = 0x50000009,
TEE_ALG_SHA3_384 = 0x5000000A,
TEE_ALG_SHA3_512 = 0x5000000B,
TEE_ALG_MD5SHA1 = 0x5000000F,
TEE_ALG_HMAC_MD5 = 0x30000001,
TEE_ALG_HMAC_SHA1 = 0x30000002,
TEE_ALG_HMAC_SHA224 = 0x30000003,
TEE_ALG_HMAC_SHA256 = 0x30000004,
TEE_ALG_HMAC_SHA384 = 0x30000005,
TEE_ALG_HMAC_SHA512 = 0x30000006,
TEE_ALG_HMAC_SM3 = 0x30000007,
TEE_ALG_HMAC_SHA3_224 = 0x30000008,
TEE_ALG_HMAC_SHA3_256 = 0x30000009,
TEE_ALG_HMAC_SHA3_384 = 0x3000000A,
TEE_ALG_HMAC_SHA3_512 = 0x3000000B,
/*
* These are used in the OP-TEE ABI, due to an inconsistency in the v1.1
* specification the wrong values we assumed and now we're stuck with those.
*
* In GP Internal Core API v1.1
* "Table 6-12: Structure of Algorithm Identifier"
* indicates ECDSA have the algorithm "0x41" and ECDH "0x42"
* whereas
* "Table 6-11: List of Algorithm Identifiers" defines
* TEE_ALG_ECDSA_P192 as 0x70001042
*
* We chose to define __OPTEE_TEE_ALG_ECDSA_P192 as 0x70001041 and so on
* to conform to table 6-12.
*/
__OPTEE_ALG_ECDSA_P192 = 0x70001041,
__OPTEE_ALG_ECDSA_P224 = 0x70002041,
__OPTEE_ALG_ECDSA_P256 = 0x70003041,
__OPTEE_ALG_ECDSA_P384 = 0x70004041,
__OPTEE_ALG_ECDSA_P521 = 0x70005041,
__OPTEE_ALG_ECDH_P192 = 0x80001042,
__OPTEE_ALG_ECDH_P224 = 0x80002042,
__OPTEE_ALG_ECDH_P256 = 0x80003042,
__OPTEE_ALG_ECDH_P384 = 0x80004042,
__OPTEE_ALG_ECDH_P521 = 0x80005042,
/* TEE_ALG_ECDSA_P* and TEE_ALG_ECDH_P* are deprecated */
TEE_ALG_ECDSA_P192 = tee_algorithm::TEE_ALG_ECDSA_SHA1,
TEE_ALG_ECDSA_P224 = tee_algorithm::TEE_ALG_ECDSA_SHA224,
TEE_ALG_ECDSA_P256 = tee_algorithm::TEE_ALG_ECDSA_SHA256,
TEE_ALG_ECDSA_P384 = tee_algorithm::TEE_ALG_ECDSA_SHA384,
TEE_ALG_ECDSA_P521 = tee_algorithm::TEE_ALG_ECDSA_SHA512,
TEE_ALG_ECDH_P192 = tee_algorithm::TEE_ALG_ECDH_DERIVE_SHARED_SECRET,
TEE_ALG_ECDH_P224 = tee_algorithm::TEE_ALG_ECDH_DERIVE_SHARED_SECRET,
TEE_ALG_ECDH_P256 = tee_algorithm::TEE_ALG_ECDH_DERIVE_SHARED_SECRET,
TEE_ALG_ECDH_P384 = tee_algorithm::TEE_ALG_ECDH_DERIVE_SHARED_SECRET,
TEE_ALG_ECDH_P521 = tee_algorithm::TEE_ALG_ECDH_DERIVE_SHARED_SECRET,
TEE_ALG_ECDH_DERIVE_SHARED_SECRET = 0x80000042,
TEE_ALG_ECDSA_SHA1 = 0x70001042,
TEE_ALG_ECDSA_SHA224 = 0x70002042,
TEE_ALG_ECDSA_SHA256 = 0x70003042,
TEE_ALG_ECDSA_SHA384 = 0x70004042,
TEE_ALG_ECDSA_SHA512 = 0x70005042,
TEE_ALG_ECDSA_SHA3_224 = 0x70006042,
TEE_ALG_ECDSA_SHA3_256 = 0x70007042,
TEE_ALG_ECDSA_SHA3_384 = 0x70008042,
TEE_ALG_ECDSA_SHA3_512 = 0x70009042,
TEE_ALG_ED25519 = 0x70006043,
TEE_ALG_ED448 = 0x70006044,
TEE_ALG_SM2_PKE = 0x80000046,
TEE_ALG_HKDF = 0x80000047,
TEE_ALG_SM3 = 0x50000007,
TEE_ALG_X25519 = 0x80000044,
TEE_ALG_X448 = 0x80000045,
TEE_ALG_SM4_ECB_PKCS5 = 0x10000015,
TEE_ALG_SM4_CBC_PKCS5 = 0x10000115,
TEE_ALG_ILLEGAL_VALUE = 0xEFFFFFFF,
TEE_ALG_SHA3_224 = 0x50000008,
TEE_ALG_SHA3_256 = 0x50000009,
TEE_ALG_SHA3_384 = 0x5000000A,
TEE_ALG_SHA3_512 = 0x5000000B,
TEE_ALG_SHAKE128 = 0x50000101,
TEE_ALG_SHAKE256 = 0x50000102
};
struct shdr {
type::Magic<"HSTO"> magic;
shdr_img_type img_type;
type::Size<u32> img_size;
tee_algorithm algo;
type::Size<u16> hash_size;
type::Size<u16> sig_size;
std::mem::Bytes<hash_size> hash;
std::mem::Bytes<sig_size> sig;
};
struct shdr_bootstrap_ta {
be type::GUID uuid;
u32 ta_version;
};
enum shdr_enc_key_type : u32 {
SHDR_ENC_KEY_DEV_SPECIFIC = 0,
SHDR_ENC_KEY_CLASS_WIDE = 1,
};
struct shdr_encrypted_ta {
tee_algorithm enc_algo;
shdr_enc_key_type flags;
type::Size<u16> iv_size;
type::Size<u16> tag_size;
std::mem::Bytes<iv_size> iv;
std::mem::Bytes<tag_size> tag;
};
struct OPTEE_TrustedApplication {
shdr shdr;
match (shdr.img_type) {
(shdr_img_type::SHDR_BOOTSTRAP_TA): {
shdr_bootstrap_ta bootstrap_ta_subheader;
}
(shdr_img_type::SHDR_ENCRYPTED_TA): {
shdr_bootstrap_ta bootstrap_ta_subheader;
shdr_encrypted_ta encrypted_ta_subheader;
}
}
if (shdr.img_type == shdr_img_type::SHDR_ENCRYPTED_TA) {
std::mem::Bytes<std::mem::size() - $> encrypted_data;
} else {
ELF elf;
}
};
OPTEE_TrustedApplication trusted_application @ 0x00;