mirror of
https://github.com/shchmue/Lockpick_RCM.git
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Support dev key dumping on all consoles
This commit is contained in:
shchmue
parent
38fff7127b
commit
a89e9b4d7f
@ -181,7 +181,7 @@ static int _se_execute_one_block(u32 op, void *dst, u32 dst_size, const void *sr
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return res;
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}
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static void _se_aes_ctr_set(void *ctr)
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static void _se_aes_ctr_set(const void *ctr)
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{
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u32 data[SE_AES_IV_SIZE / 4];
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memcpy(data, ctr, SE_AES_IV_SIZE);
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@ -383,7 +383,7 @@ int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
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return se_aes_crypt_ecb(ks, enc, dst, SE_AES_BLOCK_SIZE, src, SE_AES_BLOCK_SIZE);
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}
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int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr)
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int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, const void *ctr)
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{
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SE(SE_SPARE_REG) = SE_ECO(SE_ERRATA_FIX_ENABLE);
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SE(SE_CONFIG_REG) = SE_CONFIG_ENC_ALG(ALG_AES_ENC) | SE_CONFIG_DST(DST_MEMORY);
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@ -41,7 +41,7 @@ int se_aes_unwrap_key(u32 ks_dst, u32 ks_src, const void *input);
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int se_aes_crypt_cbc(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
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int se_aes_crypt_ecb(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
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int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src);
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int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr);
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int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, const void *ctr);
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int se_aes_xts_crypt_sec(u32 tweak_ks, u32 crypt_ks, u32 enc, u64 sec, void *dst, const void *src, u32 sec_size);
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int se_aes_xts_crypt(u32 tweak_ks, u32 crypt_ks, u32 enc, u64 sec, void *dst, const void *src, u32 sec_size, u32 num_secs);
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int se_aes_cmac(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size);
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@ -76,6 +76,15 @@ u32 fuse_read_odm_keygen_rev()
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return 0;
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}
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u32 fuse_read_bootrom_rev()
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{
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u32 rev = FUSE(FUSE_SOC_SPEEDO_1_CALIB);
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if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210)
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return rev;
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else
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return rev | (1 << 12);
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}
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u32 fuse_read_dramid(bool raw_id)
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{
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u32 dramid = (fuse_read_odm(4) & 0xF8) >> 3;
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@ -94,6 +94,7 @@ enum
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void fuse_disable_program();
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u32 fuse_read_odm(u32 idx);
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u32 fuse_read_odm_keygen_rev();
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u32 fuse_read_bootrom_rev();
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u32 fuse_read_dramid(bool raw_id);
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u32 fuse_read_hw_state();
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u32 fuse_read_hw_type();
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@ -52,6 +52,21 @@ static const u8 master_key_vectors[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribut
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{0xC1, 0x8D, 0x16, 0xBB, 0x2A, 0xE4, 0x1D, 0xD4, 0xC2, 0xC1, 0xB6, 0x40, 0x94, 0x35, 0x63, 0x98}, /* Master key 0A encrypted with Master key 0B. */
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};
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static const u8 master_key_vectors_dev[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribute__((aligned(4))) = {
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{0x46, 0x22, 0xB4, 0x51, 0x9A, 0x7E, 0xA7, 0x7F, 0x62, 0xA1, 0x1F, 0x8F, 0xC5, 0x3A, 0xDB, 0xFE}, /* Zeroes encrypted with Master Key 00. */
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{0x39, 0x33, 0xF9, 0x31, 0xBA, 0xE4, 0xA7, 0x21, 0x2C, 0xDD, 0xB7, 0xD8, 0xB4, 0x4E, 0x37, 0x23}, /* Master key 00 encrypted with Master key 01. */
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{0x97, 0x29, 0xB0, 0x32, 0x43, 0x14, 0x8C, 0xA6, 0x85, 0xE9, 0x5A, 0x94, 0x99, 0x39, 0xAC, 0x5D}, /* Master key 01 encrypted with Master key 02. */
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{0x2C, 0xCA, 0x9C, 0x31, 0x1E, 0x07, 0xB0, 0x02, 0x97, 0x0A, 0xD8, 0x03, 0xA2, 0x76, 0x3F, 0xA3}, /* Master key 02 encrypted with Master key 03. */
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{0x9B, 0x84, 0x76, 0x14, 0x72, 0x94, 0x52, 0xCB, 0x54, 0x92, 0x9B, 0xC4, 0x8C, 0x5B, 0x0F, 0xBA}, /* Master key 03 encrypted with Master key 04. */
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{0x78, 0xD5, 0xF1, 0x20, 0x3D, 0x16, 0xE9, 0x30, 0x32, 0x27, 0x34, 0x6F, 0xCF, 0xE0, 0x27, 0xDC}, /* Master key 04 encrypted with Master key 05. */
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{0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
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{0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19}, /* Master key 06 encrypted with Master key 07. */
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{0xEC, 0xE1, 0x46, 0x89, 0x37, 0xFD, 0xD2, 0x15, 0x8C, 0x3F, 0x24, 0x82, 0xEF, 0x49, 0x68, 0x04}, /* Master key 07 encrypted with Master key 08. */
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{0x43, 0x3D, 0xC5, 0x3B, 0xEF, 0x91, 0x02, 0x21, 0x61, 0x54, 0x63, 0x8A, 0x35, 0xE7, 0xCA, 0xEE}, /* Master key 08 encrypted with Master key 09. */
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{0x6C, 0x2E, 0xCD, 0xB3, 0x34, 0x61, 0x77, 0xF5, 0xF9, 0xB1, 0xDD, 0x61, 0x98, 0x19, 0x3E, 0xD4}, /* Master key 09 encrypted with Master key 0A. */
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{0x21, 0x88, 0x6B, 0x10, 0x9E, 0x83, 0xD6, 0x52, 0xAB, 0x08, 0xDB, 0x6D, 0x39, 0xFF, 0x1C, 0x9C}, /* Master key 0A encrypted with Master key 0B. */
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};
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static const u8 mariko_key_vectors[][0x10] __attribute__((aligned(4))) = {
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{0x20, 0x9E, 0x97, 0xAE, 0xAF, 0x7E, 0x6A, 0xF6, 0x9E, 0xF5, 0xA7, 0x17, 0x2F, 0xF4, 0x49, 0xA6}, /* Zeroes encrypted with AES Class Key 00. */
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{0x83, 0x1C, 0xC7, 0x7F, 0xB8, 0xB2, 0x66, 0x16, 0xFC, 0x6B, 0x81, 0xBB, 0xF6, 0x05, 0x07, 0x49}, /* Zeroes encrypted with AES Class Key 01. */
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@ -83,6 +98,14 @@ static const u8 titlekek_source[0x10] __attribute__((aligned(4))) = {
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0x1E, 0xDC, 0x7B, 0x3B, 0x60, 0xE6, 0xB4, 0xD8, 0x78, 0xB8, 0x17, 0x15, 0x98, 0x5E, 0x62, 0x9B};
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static const u8 retail_specific_aes_key_source[0x10] __attribute__((aligned(4))) = {
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0xE2, 0xD6, 0xB8, 0x7A, 0x11, 0x9C, 0xB8, 0x80, 0xE8, 0x22, 0x88, 0x8A, 0x46, 0xFB, 0xA1, 0x95};
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static const u8 secure_data_source[0x10] __attribute__((aligned(4))) = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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static const u8 secure_data_counters[1][0x10] __attribute__((aligned(4))) = {
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{0x3C, 0xD5, 0x92, 0xEC, 0x68, 0x31, 0x4A, 0x06, 0xD4, 0x1B, 0x0C, 0xD9, 0xF6, 0x2E, 0xD9, 0xE9}
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};
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static const u8 secure_data_tweaks[1][0x10] __attribute__((aligned(4))) = {
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{0xAC, 0xCA, 0x9A, 0xCA, 0xFF, 0x2E, 0xB9, 0x22, 0xCC, 0x1F, 0x4F, 0xAD, 0xDD, 0x77, 0x21, 0x1E}
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};
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// from Package1ldr (or Secure_Monitor on 6.2.0+)
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static const u8 keyblob_mac_key_source[0x10] __attribute__((aligned(4))) = {
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@ -102,6 +125,15 @@ static const u8 mariko_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_
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{0x0E, 0x44, 0x0C, 0xED, 0xB4, 0x36, 0xC0, 0x3F, 0xAA, 0x1D, 0xAE, 0xBF, 0x62, 0xB1, 0x09, 0x82}, // 9.1.0.
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{0xE5, 0x41, 0xAC, 0xEC, 0xD1, 0xA7, 0xD1, 0xAB, 0xED, 0x03, 0x77, 0xF1, 0x27, 0xCA, 0xF8, 0xF1}, // 12.1.0.
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};
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static const u8 mariko_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600 + 1][0x10] __attribute__((aligned(4))) = {
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{0x32, 0xC0, 0x97, 0x6B, 0x63, 0x6D, 0x44, 0x64, 0xF2, 0x3A, 0xA5, 0xC0, 0xDE, 0x46, 0xCC, 0xE9}, // 6.0.0.
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{0xCC, 0x97, 0x4C, 0x46, 0x2A, 0x0C, 0xB0, 0xA6, 0xC9, 0xC0, 0xB7, 0xBE, 0x30, 0x2E, 0xC3, 0x68}, // 6.2.0.
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{0x86, 0xBD, 0x1D, 0x76, 0x50, 0xDF, 0x6D, 0xFA, 0x2C, 0x7D, 0x33, 0x22, 0xAB, 0xF1, 0x82, 0x18}, // 7.0.0.
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{0xA3, 0xB1, 0xE0, 0xA9, 0x58, 0xA2, 0x26, 0x7F, 0x40, 0xBF, 0x5B, 0xBB, 0x87, 0x33, 0x0B, 0x66}, // 8.1.0.
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{0x82, 0x72, 0x91, 0x65, 0x40, 0x3B, 0x9D, 0x66, 0x60, 0xD0, 0x1B, 0x3D, 0x4D, 0xA5, 0x70, 0xE1}, // 9.0.0.
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{0xF9, 0x37, 0xCF, 0x9A, 0xBD, 0x86, 0xBB, 0xA9, 0x9C, 0x9E, 0x03, 0xC4, 0xFC, 0xBC, 0x3B, 0xCE}, // 9.1.0.
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{0x75, 0x2D, 0x2E, 0xF3, 0x2F, 0x3F, 0xFE, 0x65, 0xF4, 0xA9, 0x83, 0xB4, 0xED, 0x42, 0x63, 0xBA}, // 12.1.0.
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};
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static const u8 device_master_key_source_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = {
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{0x8B, 0x4E, 0x1C, 0x22, 0x42, 0x07, 0xC8, 0x73, 0x56, 0x94, 0x08, 0x8B, 0xCC, 0x47, 0x0F, 0x5D}, /* 4.0.0 Device Master Key Source Source. */
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@ -118,6 +150,8 @@ static const u8 device_master_key_source_sources[KB_FIRMWARE_VERSION_MAX - KB_FI
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// from ES
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static const u8 eticket_rsa_kek_source[0x10] __attribute__((aligned(4))) = {
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0XDB, 0XA4, 0X51, 0X12, 0X4C, 0XA0, 0XA9, 0X83, 0X68, 0X14, 0XF5, 0XED, 0X95, 0XE3, 0X12, 0X5B};
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static const u8 eticket_rsa_kek_source_dev[0x10] __attribute__((aligned(4))) = {
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0xBE, 0xC0, 0xBC, 0x8E, 0x75, 0xA0, 0xF6, 0x0C, 0x4A, 0x56, 0x64, 0x02, 0x3E, 0xD4, 0x9C, 0xD5};
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static const u8 eticket_rsa_kekek_source[0x10] __attribute__((aligned(4))) = {
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0X46, 0X6E, 0X57, 0XB7, 0X4A, 0X44, 0X7F, 0X02, 0XF3, 0X21, 0XCD, 0XE5, 0X8F, 0X2F, 0X55, 0X35};
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@ -139,6 +173,18 @@ static const u8 device_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_
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{0xC2, 0x65, 0x34, 0x6E, 0xC7, 0xC6, 0x5D, 0x97, 0x3E, 0x34, 0x5C, 0x6B, 0xB3, 0x7E, 0xC6, 0xE3}, /* 12.1.0 Device Master Kek Source. */
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};
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static const u8 device_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = {
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{0xD6, 0xBD, 0x9F, 0xC6, 0x18, 0x09, 0xE1, 0x96, 0x20, 0x39, 0x60, 0xD2, 0x89, 0x83, 0x31, 0x34}, /* 4.0.0 Device Master Kek Source. */
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{0x59, 0x2D, 0x20, 0x69, 0x33, 0xB5, 0x17, 0xBA, 0xCF, 0xB1, 0x4E, 0xFD, 0xE4, 0xC2, 0x7B, 0xA8}, /* 5.0.0 Device Master Kek Source. */
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{0xF6, 0xD8, 0x59, 0x63, 0x8F, 0x47, 0xCB, 0x4A, 0xD8, 0x74, 0x05, 0x7F, 0x88, 0x92, 0x33, 0xA5}, /* 6.0.0 Device Master Kek Source. */
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{0x20, 0xAB, 0xF2, 0x0F, 0x05, 0xE3, 0xDE, 0x2E, 0xA1, 0xFB, 0x37, 0x5E, 0x8B, 0x22, 0x1A, 0x38}, /* 6.2.0 Device Master Kek Source. */
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{0x60, 0xAE, 0x56, 0x68, 0x11, 0xE2, 0x0C, 0x99, 0xDE, 0x05, 0xAE, 0x68, 0x78, 0x85, 0x04, 0xAE}, /* 7.0.0 Device Master Kek Source. */
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{0x94, 0xD6, 0xA8, 0xC0, 0x95, 0xAF, 0xD0, 0xA6, 0x27, 0x53, 0x5E, 0xE5, 0x8E, 0x70, 0x1F, 0x87}, /* 8.1.0 Device Master Kek Source. */
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{0x61, 0x6A, 0x88, 0x21, 0xA3, 0x52, 0xB0, 0x19, 0x16, 0x25, 0xA4, 0xE3, 0x4C, 0x54, 0x02, 0x0F}, /* 9.0.0 Device Master Kek Source. */
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{0x9D, 0xB1, 0xAE, 0xCB, 0xF6, 0xF6, 0xE3, 0xFE, 0xAB, 0x6F, 0xCB, 0xAF, 0x38, 0x03, 0xFC, 0x7B}, /* 9.1.0 Device Master Kek Source. */
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{0xC4, 0xBB, 0xF3, 0x9F, 0xA3, 0xAA, 0x00, 0x99, 0x7C, 0x97, 0xAD, 0x91, 0x8F, 0xE8, 0x45, 0xCB}, /* 12.1.0 Device Master Kek Source. */
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};
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// from SPL
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static const u8 aes_key_generation_source[0x10] __attribute__((aligned(4))) = {
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0x89, 0x61, 0x5E, 0xE0, 0x5C, 0x31, 0xB6, 0x80, 0x5F, 0xE5, 0x8F, 0x3D, 0xA2, 0x4F, 0x7A, 0xA8};
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@ -70,13 +70,14 @@ static ALWAYS_INLINE u32 _read_be_u32(const void *buffer, u32 offset) {
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}
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// key functions
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static int _key_exists(const void *data) { return memcmp(data, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0; };
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static void _save_key(const char *name, const void *data, u32 len, char *outbuf);
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static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf);
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static void _generate_kek(u32 ks, const void *key_source, void *master_key, const void *kek_seed, const void *key_seed);
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static void _get_device_key(u32 ks, void *out_device_key, u32 revision, const void *device_key, const void *new_device_key, const void *master_key);
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static int _key_exists(const void *data) { return memcmp(data, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0; };
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static void _save_key(const char *name, const void *data, u32 len, char *outbuf);
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static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf);
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static void _generate_kek(u32 ks, const void *key_source, void *master_key, const void *kek_seed, const void *key_seed);
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static void _generate_specific_aes_key(u32 ks, key_derivation_ctx_t *keys, void *out_key, const void *key_source, u32 key_generation);
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static void _get_device_key(u32 ks, key_derivation_ctx_t *keys, void *out_device_key, u32 revision);
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// titlekey functions
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static bool _test_key_pair(const void *E, const void *D, const void *N);
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static bool _test_key_pair(const void *E, const void *D, const void *N);
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static ALWAYS_INLINE u8 *_find_tsec_fw(const u8 *pkg1) {
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const u32 tsec_fw_align = 0x100;
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@ -122,11 +123,11 @@ static u8 *_read_pkg1(const pkg1_id_t **pkg1_id) {
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return pkg1;
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}
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static void _derive_master_key_mariko(key_derivation_ctx_t *keys) {
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static void _derive_master_key_mariko(key_derivation_ctx_t *keys, bool is_dev) {
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// Relies on the SBK being properly set in slot 14
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se_aes_crypt_block_ecb(14, 0, keys->device_key_4x, device_master_key_source_kek_source);
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// Relies on the Mariko KEK being properly set in slot 12
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se_aes_unwrap_key(8, 12, &mariko_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600]);
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se_aes_unwrap_key(8, 12, is_dev ? &mariko_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600] : &mariko_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600]);
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se_aes_crypt_block_ecb(8, 0, keys->master_key[KB_FIRMWARE_VERSION_MAX], master_key_source);
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}
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@ -143,23 +144,27 @@ static int _run_ams_keygen(key_derivation_ctx_t *keys) {
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return res;
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}
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static void _derive_master_keys_from_latest_key(key_derivation_ctx_t *keys) {
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static void _derive_master_keys_from_latest_key(key_derivation_ctx_t *keys, bool is_dev) {
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if (!h_cfg.t210b01) {
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se_aes_crypt_block_ecb(13, 0, keys->master_kek[KB_FIRMWARE_VERSION_MAX], master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_620]); // mkek = unwrap(tsec_root, mkeks)
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se_aes_key_set(8, keys->master_kek[KB_FIRMWARE_VERSION_MAX], AES_128_KEY_SIZE); // mkey = unwrap(mkek, mkeys)
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se_aes_crypt_block_ecb(8, 0, keys->master_key[KB_FIRMWARE_VERSION_MAX], master_key_source);
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u32 tsec_root_key_slot = is_dev ? 11 : 13;
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// Derive all master keys based on current root key
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for (u32 i = KB_FIRMWARE_VERSION_810 - KB_FIRMWARE_VERSION_620; i < ARRAY_SIZE(master_kek_sources); i++) {
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se_aes_crypt_block_ecb(tsec_root_key_slot, 0, keys->master_kek[i + KB_FIRMWARE_VERSION_620], master_kek_sources[i]); // mkek = unwrap(tsec_root, mkeks)
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se_aes_key_set(8, keys->master_kek[i + KB_FIRMWARE_VERSION_620], AES_128_KEY_SIZE); // mkey = unwrap(mkek, mkeys)
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se_aes_crypt_block_ecb(8, 0, keys->master_key[i + KB_FIRMWARE_VERSION_620], master_key_source);
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}
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}
|
||||
|
||||
// Derive all lower master keys
|
||||
for (u32 i = KB_FIRMWARE_VERSION_MAX; i > 0; i--) {
|
||||
se_aes_key_set(8, keys->master_key[i], AES_128_KEY_SIZE);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->master_key[i - 1], master_key_vectors[i]);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->master_key[i - 1], is_dev ? master_key_vectors_dev[i] : master_key_vectors[i]);
|
||||
}
|
||||
se_aes_key_set(8, keys->master_key[0], AES_128_KEY_SIZE);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->temp_key, master_key_vectors[0]);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->temp_key, is_dev ? master_key_vectors_dev[0] : master_key_vectors[0]);
|
||||
|
||||
if (_key_exists(keys->temp_key)) {
|
||||
EPRINTF("Unable to derive master key.");
|
||||
EPRINTFARGS("Unable to derive master keys for %s.", is_dev ? "dev" : "prod");
|
||||
memset(keys->master_key, 0, sizeof(keys->master_key));
|
||||
}
|
||||
}
|
||||
@ -230,33 +235,42 @@ static void _derive_bis_keys(key_derivation_ctx_t *keys) {
|
||||
if (!(_key_exists(keys->device_key) || (key_generation && _key_exists(keys->master_key[0]) && _key_exists(keys->device_key_4x)))) {
|
||||
return;
|
||||
}
|
||||
_get_device_key(8, keys->temp_key, key_generation, keys->device_key, keys->device_key_4x, keys->master_key[0]);
|
||||
se_aes_key_set(8, keys->temp_key, AES_128_KEY_SIZE);
|
||||
se_aes_unwrap_key(8, 8, retail_specific_aes_key_source); // kek = unwrap(rsaks, devkey)
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[0] + 0x00, bis_key_sources[0] + 0x00); // bkey = unwrap(bkeys, kek)
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[0] + 0x10, bis_key_sources[0] + 0x10);
|
||||
_generate_specific_aes_key(8, keys, &keys->bis_key[0], &bis_key_sources[0], key_generation);
|
||||
// kek = generate_kek(bkeks, devkey, aeskek, aeskey)
|
||||
_generate_kek(8, bis_kek_source, keys->temp_key, aes_kek_generation_source, aes_key_generation_source);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[1] + 0x00, bis_key_sources[1] + 0x00); // bkey = unwrap(bkeys, kek)
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[1] + 0x10, bis_key_sources[1] + 0x10);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[2] + 0x00, bis_key_sources[2] + 0x00);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->bis_key[2] + 0x10, bis_key_sources[2] + 0x10);
|
||||
se_aes_crypt_ecb(8, 0, keys->bis_key[1], AES_128_KEY_SIZE * 2, bis_key_sources[1], AES_128_KEY_SIZE * 2); // bkey = unwrap(bkeys, kek)
|
||||
se_aes_crypt_ecb(8, 0, keys->bis_key[2], AES_128_KEY_SIZE * 2, bis_key_sources[2], AES_128_KEY_SIZE * 2);
|
||||
memcpy(keys->bis_key[3], keys->bis_key[2], 0x20);
|
||||
}
|
||||
|
||||
static void _derive_misc_keys(key_derivation_ctx_t *keys) {
|
||||
static void _derive_non_unique_keys(key_derivation_ctx_t *keys, bool is_dev) {
|
||||
if (_key_exists(keys->master_key[0])) {
|
||||
_generate_kek(8, header_kek_source, keys->master_key[0], aes_kek_generation_source, aes_key_generation_source);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->header_key + 0x00, header_key_source + 0x00);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->header_key + 0x10, header_key_source + 0x10);
|
||||
se_aes_crypt_ecb(8, 0, keys->header_key, AES_128_KEY_SIZE * 2, header_key_source, AES_128_KEY_SIZE * 2);
|
||||
}
|
||||
}
|
||||
|
||||
static void _derive_misc_keys(key_derivation_ctx_t *keys, bool is_dev) {
|
||||
if (_key_exists(keys->device_key) || (_key_exists(keys->master_key[0]) && _key_exists(keys->device_key_4x))) {
|
||||
_get_device_key(8, keys->temp_key, 0, keys->device_key, keys->device_key_4x, keys->master_key[0]);
|
||||
_get_device_key(8, keys, keys->temp_key, 0);
|
||||
_generate_kek(8, save_mac_kek_source, keys->temp_key, aes_kek_generation_source, NULL);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->save_mac_key, save_mac_key_source);
|
||||
}
|
||||
|
||||
if (_key_exists(keys->master_key[0])) {
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++)
|
||||
keys->temp_key[i] = aes_kek_generation_source[i] ^ aes_kek_seed_03[i];
|
||||
_generate_kek(8, eticket_rsa_kekek_source, keys->master_key[0], keys->temp_key, NULL);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->eticket_rsa_kek, is_dev ? eticket_rsa_kek_source_dev : eticket_rsa_kek_source);
|
||||
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++)
|
||||
keys->temp_key[i] = aes_kek_generation_source[i] ^ aes_kek_seed_01[i];
|
||||
_generate_kek(8, ssl_rsa_kek_source_x, keys->master_key[0], keys->temp_key, NULL);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->ssl_rsa_kek, ssl_rsa_kek_source_y);
|
||||
}
|
||||
}
|
||||
|
||||
static void _derive_master_key_per_generation_keys(key_derivation_ctx_t *keys) {
|
||||
for (u32 i = 0; i < KB_FIRMWARE_VERSION_MAX + 1; i++) {
|
||||
if (!_key_exists(keys->master_key[i]))
|
||||
continue;
|
||||
@ -268,19 +282,6 @@ static void _derive_misc_keys(key_derivation_ctx_t *keys) {
|
||||
se_aes_crypt_block_ecb(8, 0, keys->package2_key[i], package2_key_source);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->titlekek[i], titlekek_source);
|
||||
}
|
||||
|
||||
// derive eticket_rsa_kek and ssl_rsa_kek
|
||||
if (_key_exists(keys->master_key[0])) {
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++)
|
||||
keys->temp_key[i] = aes_kek_generation_source[i] ^ aes_kek_seed_03[i];
|
||||
_generate_kek(8, eticket_rsa_kekek_source, keys->master_key[0], keys->temp_key, NULL);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->eticket_rsa_kek, eticket_rsa_kek_source);
|
||||
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++)
|
||||
keys->temp_key[i] = aes_kek_generation_source[i] ^ aes_kek_seed_01[i];
|
||||
_generate_kek(8, ssl_rsa_kek_source_x, keys->master_key[0], keys->temp_key, NULL);
|
||||
se_aes_crypt_block_ecb(8, 0, keys->ssl_rsa_kek, ssl_rsa_kek_source_y);
|
||||
}
|
||||
}
|
||||
|
||||
static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, titlekey_buffer_t *titlekey_buffer, rsa_keypair_t *rsa_keypair) {
|
||||
@ -493,7 +494,7 @@ static bool _derive_titlekeys(key_derivation_ctx_t *keys, titlekey_buffer_t *tit
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++)
|
||||
keys->temp_key[i] = aes_kek_generation_source[i] ^ aes_kek_seed_03[i];
|
||||
u32 temp_device_key[AES_128_KEY_SIZE / 4] = {0};
|
||||
_get_device_key(7, temp_device_key, keypair_generation, keys->device_key, keys->device_key_4x, keys->master_key[0]);
|
||||
_get_device_key(7, keys, temp_device_key, keypair_generation);
|
||||
_generate_kek(7, eticket_rsa_kekek_source, temp_device_key, keys->temp_key, NULL);
|
||||
se_aes_crypt_block_ecb(7, 0, keys->eticket_rsa_kek_personalized, eticket_rsa_kek_source);
|
||||
memcpy(keys->temp_key, keys->eticket_rsa_kek_personalized, sizeof(keys->temp_key));
|
||||
@ -521,7 +522,7 @@ static bool _derive_titlekeys(key_derivation_ctx_t *keys, titlekey_buffer_t *tit
|
||||
_get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, NULL);
|
||||
_get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, &rsa_keypair);
|
||||
|
||||
gfx_printf("\n%k Found %d titlekeys.\n", colors[(color_idx++) % 6], _titlekey_count);
|
||||
gfx_printf("\n%k Found %d titlekeys.\n\n", colors[(color_idx++) % 6], _titlekey_count);
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -654,7 +655,7 @@ static void _save_mariko_partial_keys(u32 start, u32 count, bool append) {
|
||||
free(text_buffer);
|
||||
}
|
||||
|
||||
static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titlekey_buffer, const pkg1_id_t *pkg1_id, u32 start_whole_operation_time) {
|
||||
static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) {
|
||||
char *text_buffer = NULL;
|
||||
if (!sd_mount()) {
|
||||
EPRINTF("Unable to mount SD.");
|
||||
@ -673,7 +674,11 @@ static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titl
|
||||
SAVE_KEY_VAR(device_key_4x, keys->device_key_4x);
|
||||
SAVE_KEY_VAR(eticket_rsa_kek, keys->eticket_rsa_kek);
|
||||
SAVE_KEY_VAR(eticket_rsa_kek_personalized, keys->eticket_rsa_kek_personalized);
|
||||
SAVE_KEY(eticket_rsa_kek_source);
|
||||
if (is_dev) {
|
||||
SAVE_KEY_VAR(eticket_rsa_kek_source, eticket_rsa_kek_source_dev);
|
||||
} else {
|
||||
SAVE_KEY(eticket_rsa_kek_source);
|
||||
}
|
||||
SAVE_KEY(eticket_rsa_kekek_source);
|
||||
SAVE_KEY(header_kek_source);
|
||||
SAVE_KEY_VAR(header_key, keys->header_key);
|
||||
@ -686,9 +691,14 @@ static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titl
|
||||
SAVE_KEY_VAR(key_area_key_system_source, key_area_key_sources[2]);
|
||||
SAVE_KEY_FAMILY_VAR(keyblob, keys->keyblob, 0);
|
||||
SAVE_KEY_FAMILY_VAR(keyblob_key, keys->keyblob_key, 0);
|
||||
SAVE_KEY_FAMILY(keyblob_key_sources, 0);
|
||||
SAVE_KEY_FAMILY_VAR(keyblob_key_source, keyblob_key_sources, 0);
|
||||
SAVE_KEY_FAMILY_VAR(keyblob_mac_key, keys->keyblob_mac_key, 0);
|
||||
SAVE_KEY(keyblob_mac_key_source);
|
||||
if (is_dev) {
|
||||
SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources_dev, 5);
|
||||
} else {
|
||||
SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources, 5);
|
||||
}
|
||||
SAVE_KEY_FAMILY_VAR(master_kek, keys->master_kek, 0);
|
||||
SAVE_KEY_FAMILY_VAR(master_kek_source, master_kek_sources, KB_FIRMWARE_VERSION_620);
|
||||
SAVE_KEY_FAMILY_VAR(master_key, keys->master_key, 0);
|
||||
@ -727,18 +737,14 @@ static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titl
|
||||
s_printf(root_key_name + 14, "%02x", root_key_ver);
|
||||
_save_key(root_key_name, keys->tsec_root_key, AES_128_KEY_SIZE, text_buffer);
|
||||
|
||||
s_printf(root_key_name + 14, "dev_%02x", root_key_ver);
|
||||
_save_key(root_key_name, keys->tsec_root_key_dev, AES_128_KEY_SIZE, text_buffer);
|
||||
|
||||
end_time = get_tmr_us();
|
||||
gfx_printf("\n%k Found %d keys.\n\n", colors[(color_idx++) % 6], _key_count);
|
||||
gfx_printf("%kLockpick totally done in %d us\n\n", colors[(color_idx++) % 6], end_time - start_whole_operation_time);
|
||||
gfx_printf("\n%k Found %d %s keys.\n\n", colors[(color_idx++) % 6], _key_count, is_dev ? "dev" : "prod");
|
||||
gfx_printf("%kFound through master_key_%02x.\n\n", colors[(color_idx++) % 6], KB_FIRMWARE_VERSION_MAX);
|
||||
|
||||
f_mkdir("sd:/switch");
|
||||
char keyfile_path[30] = "sd:/switch/prod.keys";
|
||||
if (fuse_read_hw_state() == FUSE_NX_HW_STATE_DEV)
|
||||
if (is_dev) {
|
||||
s_printf(&keyfile_path[11], "dev.keys");
|
||||
}
|
||||
|
||||
FILINFO fno;
|
||||
if (!sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) {
|
||||
@ -750,7 +756,7 @@ static void _save_keys_to_sd(key_derivation_ctx_t *keys, titlekey_buffer_t *titl
|
||||
_save_mariko_partial_keys(12, 4, true);
|
||||
}
|
||||
|
||||
if (_titlekey_count == 0) {
|
||||
if (_titlekey_count == 0 || !titlekey_buffer) {
|
||||
free(text_buffer);
|
||||
return;
|
||||
}
|
||||
@ -807,14 +813,17 @@ static void _derive_keys() {
|
||||
}
|
||||
free(pkg1);
|
||||
|
||||
key_derivation_ctx_t __attribute__((aligned(4))) keys = {0};
|
||||
bool is_dev = fuse_read_hw_state() == FUSE_NX_HW_STATE_DEV;
|
||||
|
||||
key_derivation_ctx_t __attribute__((aligned(4))) prod_keys = {0}, dev_keys = {0};
|
||||
key_derivation_ctx_t *keys = is_dev ? &dev_keys : &prod_keys;
|
||||
|
||||
// Master key derivation
|
||||
if (h_cfg.t210b01) {
|
||||
_derive_master_key_mariko(&keys);
|
||||
_derive_master_keys_from_latest_key(&keys);
|
||||
_derive_master_key_mariko(keys, is_dev);
|
||||
_derive_master_keys_from_latest_key(keys, is_dev);
|
||||
} else {
|
||||
int res = _run_ams_keygen(&keys);
|
||||
int res = _run_ams_keygen(keys);
|
||||
if (res) {
|
||||
EPRINTF("Unable to run keygen.");
|
||||
return;
|
||||
@ -822,33 +831,43 @@ static void _derive_keys() {
|
||||
|
||||
u8 *aes_keys = (u8 *)calloc(0x1000, 1);
|
||||
se_get_aes_keys(aes_keys + 0x800, aes_keys, AES_128_KEY_SIZE);
|
||||
memcpy(&keys.tsec_root_key_dev, aes_keys + 11 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
memcpy(&keys.tsec_key, aes_keys + 12 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
memcpy(&keys.tsec_root_key, aes_keys + 13 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
memcpy(&dev_keys.tsec_root_key, aes_keys + 11 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
memcpy(keys->tsec_key, aes_keys + 12 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
memcpy(&prod_keys.tsec_root_key, aes_keys + 13 * AES_128_KEY_SIZE, AES_128_KEY_SIZE);
|
||||
free(aes_keys);
|
||||
|
||||
_derive_master_keys_from_latest_key(&keys);
|
||||
_derive_keyblob_keys(&keys);
|
||||
_derive_master_keys_from_latest_key(&prod_keys, false);
|
||||
_derive_master_keys_from_latest_key(&dev_keys, true);
|
||||
_derive_keyblob_keys(keys);
|
||||
}
|
||||
|
||||
TPRINTFARGS("%kMaster keys... ", colors[(color_idx++) % 6]);
|
||||
|
||||
_derive_bis_keys(&keys);
|
||||
_derive_bis_keys(keys);
|
||||
|
||||
TPRINTFARGS("%kBIS keys... ", colors[(color_idx++) % 6]);
|
||||
|
||||
_derive_misc_keys(&keys);
|
||||
_derive_misc_keys(keys, is_dev);
|
||||
|
||||
_derive_non_unique_keys(&prod_keys, is_dev);
|
||||
_derive_non_unique_keys(&dev_keys, is_dev);
|
||||
_derive_master_key_per_generation_keys(&prod_keys);
|
||||
_derive_master_key_per_generation_keys(&dev_keys);
|
||||
|
||||
titlekey_buffer_t *titlekey_buffer = (titlekey_buffer_t *)TITLEKEY_BUF_ADR;
|
||||
|
||||
// BIS key for SYSTEM partition
|
||||
if (_key_exists(keys.bis_key[2])) {
|
||||
_derive_emmc_keys(&keys, titlekey_buffer);
|
||||
if (_key_exists(keys->bis_key[2])) {
|
||||
_derive_emmc_keys(keys, titlekey_buffer);
|
||||
} else {
|
||||
EPRINTF("Missing needed BIS keys.\nSkipping SD seed and titlekeys.");
|
||||
}
|
||||
|
||||
_save_keys_to_sd(&keys, titlekey_buffer, pkg1_id, start_whole_operation_time);
|
||||
end_time = get_tmr_us();
|
||||
gfx_printf("%kLockpick totally done in %d us\n", colors[(color_idx++) % 6], end_time - start_whole_operation_time);
|
||||
_save_keys_to_sd(&prod_keys, titlekey_buffer, false);
|
||||
_key_count = 0;
|
||||
_save_keys_to_sd(&dev_keys, NULL, true);
|
||||
}
|
||||
|
||||
void dump_keys() {
|
||||
@ -908,9 +927,32 @@ static void _generate_kek(u32 ks, const void *key_source, void *master_key, cons
|
||||
se_aes_unwrap_key(ks, ks, key_seed);
|
||||
}
|
||||
|
||||
static void _get_device_key(u32 ks, void *out_device_key, u32 revision, const void *device_key, const void *new_device_key, const void *master_key) {
|
||||
static void _get_secure_data(key_derivation_ctx_t *keys, void *dst) {
|
||||
se_aes_key_set(6, keys->device_key, AES_128_KEY_SIZE);
|
||||
u8 *d = (u8 *)dst;
|
||||
se_aes_crypt_ctr(6, d + 0x00, AES_128_KEY_SIZE, secure_data_source, AES_128_KEY_SIZE, secure_data_counters[0]);
|
||||
se_aes_crypt_ctr(6, d + 0x10, AES_128_KEY_SIZE, secure_data_source, AES_128_KEY_SIZE, secure_data_counters[0]);
|
||||
|
||||
// Apply tweak
|
||||
for (u32 i = 0; i < AES_128_KEY_SIZE; i++) {
|
||||
d[AES_128_KEY_SIZE + i] ^= secure_data_tweaks[0][i];
|
||||
}
|
||||
}
|
||||
|
||||
static void _generate_specific_aes_key(u32 ks, key_derivation_ctx_t *keys, void *out_key, const void *key_source, u32 key_generation) {
|
||||
if (fuse_read_bootrom_rev() >= 0x7F) {
|
||||
_get_device_key(ks, keys, keys->temp_key, key_generation);
|
||||
se_aes_key_set(ks, keys->temp_key, AES_128_KEY_SIZE);
|
||||
se_aes_unwrap_key(ks, ks, retail_specific_aes_key_source); // kek = unwrap(rsaks, devkey)
|
||||
se_aes_crypt_ecb(ks, 0, out_key, AES_128_KEY_SIZE * 2, key_source, AES_128_KEY_SIZE * 2); // bkey = unwrap(bkeys, kek)
|
||||
} else {
|
||||
_get_secure_data(keys, out_key);
|
||||
}
|
||||
}
|
||||
|
||||
static void _get_device_key(u32 ks, key_derivation_ctx_t *keys, void *out_device_key, u32 revision) {
|
||||
if (revision == KB_FIRMWARE_VERSION_100_200 && !h_cfg.t210b01) {
|
||||
memcpy(out_device_key, device_key, AES_128_KEY_SIZE);
|
||||
memcpy(out_device_key, keys->device_key, AES_128_KEY_SIZE);
|
||||
return;
|
||||
}
|
||||
|
||||
@ -920,10 +962,11 @@ static void _get_device_key(u32 ks, void *out_device_key, u32 revision, const vo
|
||||
revision = 0;
|
||||
}
|
||||
u32 temp_key[AES_128_KEY_SIZE / 4] = {0};
|
||||
se_aes_key_set(ks, new_device_key, AES_128_KEY_SIZE);
|
||||
se_aes_key_set(ks, keys->device_key_4x, AES_128_KEY_SIZE);
|
||||
se_aes_crypt_block_ecb(ks, 0, temp_key, device_master_key_source_sources[revision]);
|
||||
se_aes_key_set(ks, master_key, AES_128_KEY_SIZE);
|
||||
se_aes_unwrap_key(ks, ks, device_master_kek_sources[revision]);
|
||||
se_aes_key_set(ks, keys->master_key[0], AES_128_KEY_SIZE);
|
||||
const void *kek_source = fuse_read_hw_state() == FUSE_NX_HW_STATE_PROD ? device_master_kek_sources[revision] : device_master_kek_sources_dev[revision];
|
||||
se_aes_unwrap_key(ks, ks, kek_source);
|
||||
se_aes_crypt_block_ecb(ks, 0, out_device_key, temp_key);
|
||||
}
|
||||
|
||||
|
||||
@ -109,8 +109,7 @@ typedef struct {
|
||||
package2_key[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
|
||||
titlekek[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
|
||||
tsec_key[AES_128_KEY_SIZE],
|
||||
tsec_root_key[AES_128_KEY_SIZE],
|
||||
tsec_root_key_dev[AES_128_KEY_SIZE];
|
||||
tsec_root_key[AES_128_KEY_SIZE];
|
||||
u32 sbk[4];
|
||||
keyblob_t keyblob[KB_FIRMWARE_VERSION_600 + 1];
|
||||
} key_derivation_ctx_t;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user