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Key 0x2C is different per platform (#842)

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Change KeyY to generate same KeyNormal on dev
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Luís Marques 2024-03-17 14:27:27 +00:00 committed by GitHub
parent 338a2aa98a
commit 26990ca23a
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GPG Key ID: B5690EEEBB952194
1 changed files with 5 additions and 2 deletions
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arm9/source/crypto/keydb.c
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@ -40,10 +40,13 @@ u32 GetUnitKeysType(void)
} }
void CryptAesKeyInfo(AesKeyInfo* info) { void CryptAesKeyInfo(AesKeyInfo* info) {
static u8 zeroes[16] = { 0 }; static const u8 zeros[16] = { 0 };
static const u8 keyY_dev[16] = {
0xA2, 0x32, 0x4A, 0x7E, 0x7C, 0xE6, 0x1A, 0x9A, 0x45, 0x4A, 0x52, 0x19, 0xB3, 0x5B, 0xE9, 0x3B };
const u8* aeskeyY = GetUnitKeysType() == KEYS_DEVKIT ? &keyY_dev[0] : &zeros[0];
u8 ctr[16] = { 0 }; u8 ctr[16] = { 0 };
memcpy(ctr, (void*) info, 12); // CTR -> slot + type + id + zeroes memcpy(ctr, (void*) info, 12); // CTR -> slot + type + id + zeroes
setup_aeskeyY(0x2C, zeroes); setup_aeskeyY(0x2C, aeskeyY);
use_aeskey(0x2C); use_aeskey(0x2C);
set_ctr(ctr); set_ctr(ctr);
aes_decrypt(info->key, info->key, 1, AES_CNT_CTRNAND_MODE); aes_decrypt(info->key, info->key, 1, AES_CNT_CTRNAND_MODE);