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se: add encrypt/decrypt defines

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This commit is contained in:
CTCaer 2021-08-28 16:40:29 +03:00
parent 3e15eb44ab
commit 9541d1bbd3
2 changed files with 5 additions and 2 deletions
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4
bdk/sec/se.c
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@ -335,7 +335,7 @@ int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, void *sr
tweak[i] = sec & 0xFF;
sec >>= 8;
}
if (!se_aes_crypt_block_ecb(ks1, 1, tweak, tweak))
if (!se_aes_crypt_block_ecb(ks1, ENCRYPT, tweak, tweak))
goto out;
// We are assuming a 0x10-aligned sector size in this implementation.
@ -529,6 +529,6 @@ void se_get_aes_keys(u8 *buf, u8 *keys, u32 keysize)
// Decrypt context.
se_aes_key_clear(3);
se_aes_key_set(3, srk, SE_KEY_128_SIZE);
se_aes_crypt_cbc(3, 0, keys, SE_AES_KEYSLOT_COUNT * keysize, keys, SE_AES_KEYSLOT_COUNT * keysize);
se_aes_crypt_cbc(3, DECRYPT, keys, SE_AES_KEYSLOT_COUNT * keysize, keys, SE_AES_KEYSLOT_COUNT * keysize);
se_aes_key_clear(3);
}

3
bdk/sec/se_t210.h
View file

@ -50,6 +50,9 @@
#define SE_RSA1536_DIGEST_SIZE 192
#define SE_RSA2048_DIGEST_SIZE 256
#define DECRYPT 0
#define ENCRYPT 1
/* SE register definitions */
#define SE_SE_SECURITY_REG 0x000
#define SE_HARD_SETTING BIT(0)