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Code Issues Releases Activity

Add se functions, match Hekate brace style

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This commit is contained in:
shchmue 2020-05-17 17:45:48 -06:00
parent 0427c99176
commit a5fe954ce7
6 changed files with 117 additions and 12 deletions
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6
source/gfx/gfx.c
View file

@ -216,7 +216,8 @@ void gfx_putc(char c)
cbuf++;
}
gfx_con.x += 16;
if (gfx_con.x >= gfx_ctxt.width - 16) {
if (gfx_con.x >= gfx_ctxt.width - 16)
{
gfx_con.x = 0;
gfx_con.y += 16;
}
@ -250,7 +251,8 @@ void gfx_putc(char c)
fb += gfx_ctxt.stride - 8;
}
gfx_con.x += 8;
if (gfx_con.x >= gfx_ctxt.width - 8) {
if (gfx_con.x >= gfx_ctxt.width - 8)
{
gfx_con.x = 0;
gfx_con.y += 8;
}

3
source/gfx/tui.c
View file

@ -147,7 +147,8 @@ void *tui_do_menu(menu_t *menu)
gfx_con_setcol(0xFF1B1B1B, 1, 0xFFCCCCCC);
else
gfx_con_setcol(0xFFCCCCCC, 1, 0xFF1B1B1B);
if (menu->ents[cnt].type != MENT_CHGLINE && menu->ents[cnt].type != MENT_MENU) {
if (menu->ents[cnt].type != MENT_CHGLINE && menu->ents[cnt].type != MENT_MENU)
{
if (cnt == idx)
gfx_printf(" %s", menu->ents[cnt].caption);
else

3
source/hos/sept.c
View file

@ -107,7 +107,8 @@ int reboot_to_sept(const u8 *tsec_fw, const u32 tsec_size, const u32 kb)
tmp_cfg->boot_cfg |= BOOT_CFG_SEPT_RUN;
if (f_open(&fp, "sd:/sept/payload.bin", FA_READ | FA_WRITE)) {
if (f_open(&fp, "sd:/sept/payload.bin", FA_READ | FA_WRITE))
{
free(tmp_cfg);
goto error;
}

9
source/main.c
View file

@ -320,7 +320,8 @@ void launch_tools()
if (file_sec)
{
if (memcmp("sd:/", file_sec, 4)) {
if (memcmp("sd:/", file_sec, 4))
{
memcpy(dir + strlen(dir), "/", 2);
memcpy(dir + strlen(dir), file_sec, strlen(file_sec) + 1);
}
@ -371,7 +372,8 @@ ment_t ment_top[] = {
menu_t menu_top = { ment_top, NULL, 0, 0 };
void _get_key_generations(char *sysnand_label, char *emunand_label) {
void _get_key_generations(char *sysnand_label, char *emunand_label)
{
sdmmc_t sdmmc;
sdmmc_storage_t storage;
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
@ -384,7 +386,8 @@ void _get_key_generations(char *sysnand_label, char *emunand_label) {
if (pkg1_id)
sprintf(sysnand_label + 36, "% 3d", pkg1_id->kb);
ment_top[0].caption = sysnand_label;
if (h_cfg.emummc_force_disable) {
if (h_cfg.emummc_force_disable)
{
free(pkg1);
return;
}

103
source/sec/se.c
View file

@ -235,6 +235,16 @@ void se_aes_key_set(u32 ks, const void *key, u32 size)
}
}
void se_aes_iv_set(u32 ks, const void *iv, u32 size)
{
u32 *data = (u32 *)iv;
for (u32 i = 0; i < size / 4; i++)
{
SE(SE_KEYTABLE_REG_OFFSET) = SE_KEYTABLE_SLOT(ks) | 8 | i;
SE(SE_KEYTABLE_DATA0_REG_OFFSET) = data[i];
}
}
void se_aes_key_read(u32 ks, void *key, u32 size)
{
u32 *data = (u32 *)key;
@ -321,6 +331,83 @@ int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_s
return 1;
}
// random calls were derived from Atmosphère's
int se_initialize_rng(u32 ks)
{
u8 *output_buf = (u8 *)malloc(0x10);
SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(DRBG_MODE_FORCE_INSTANTION) | SE_RNG_CONFIG_SRC(DRBG_SRC_ENTROPY);
SE(SE_RNG_RESEED_INTERVAL_REG_OFFSET) = 70001;
SE(SE_RNG_SRC_CONFIG_REG_OFFSET) = SE_RNG_SRC_CONFIG_RO_ENT_SRC_LOCK(DRBG_RO_ENT_SRC_LOCK_ENABLE) |
SE_RNG_SRC_CONFIG_RO_ENT_SRC(DRBG_RO_ENT_SRC_LOCK_ENABLE);
SE(SE_BLOCK_COUNT_REG_OFFSET) = 0;
int res =_se_execute(OP_START, output_buf, 0x10, NULL, 0);
free(output_buf);
return res;
}
int se_generate_random(u32 ks, void *dst, u32 size)
{
SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(DRBG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(DRBG_SRC_ENTROPY);
u32 num_blocks = size >> 4;
u32 aligned_size = num_blocks << 4;
if (num_blocks)
{
SE(SE_BLOCK_COUNT_REG_OFFSET) = num_blocks - 1;
if (!_se_execute(OP_START, dst, aligned_size, NULL, 0))
return 0;
}
if (size > aligned_size)
return _se_execute_one_block(OP_START, dst + aligned_size, size - aligned_size, NULL, 0);
return 1;
}
int se_generate_random_key(u32 ks_dst, u32 ks_src)
{
SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_RNG) | SE_CONFIG_DST(DST_MEMORY);
SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks_src) | SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) |
SE_CRYPTO_INPUT_SEL(INPUT_RANDOM);
SE(SE_RNG_CONFIG_REG_OFFSET) = SE_RNG_CONFIG_MODE(DRBG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(DRBG_SRC_ENTROPY);
SE(SE_CRYPTO_KEYTABLE_DST_REG_OFFSET) = SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(ks_dst);
if (!_se_execute(OP_START, NULL, 0, NULL, 0))
return 0;
SE(SE_CRYPTO_KEYTABLE_DST_REG_OFFSET) = SE_CRYPTO_KEYTABLE_DST_KEY_INDEX(ks_dst) | 1;
if (!_se_execute(OP_START, NULL, 0, NULL, 0))
return 0;
return 1;
}
int se_aes_crypt_cbc(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size)
{
if (enc)
{
SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_ENC_ALG(ALG_AES_ENC) | SE_CONFIG_DST(DST_MEMORY);
SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_VCTRAM_SEL(VCTRAM_AESOUT) |
SE_CRYPTO_CORE_SEL(CORE_ENCRYPT) | SE_CRYPTO_XOR_POS(XOR_TOP) | SE_CRYPTO_INPUT_SEL(INPUT_AHB) |
SE_CRYPTO_IV_SEL(IV_ORIGINAL);
}
else
{
SE(SE_CONFIG_REG_OFFSET) = SE_CONFIG_DEC_ALG(ALG_AES_DEC) | SE_CONFIG_DST(DST_MEMORY);
SE(SE_CRYPTO_REG_OFFSET) = SE_CRYPTO_KEY_INDEX(ks) | SE_CRYPTO_VCTRAM_SEL(VCTRAM_PREVAHB) |
SE_CRYPTO_CORE_SEL(CORE_DECRYPT) | SE_CRYPTO_XOR_POS(XOR_BOTTOM) | SE_CRYPTO_INPUT_SEL(INPUT_AHB) |
SE_CRYPTO_IV_SEL(IV_ORIGINAL);
}
SE(SE_BLOCK_COUNT_REG_OFFSET) = (src_size >> 4) - 1;
return _se_execute(OP_START, dst, dst_size, src, src_size);
}
int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize)
{
int res = 0;
@ -356,7 +443,8 @@ int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const vo
pdst = (u32 *)dst;
memcpy(tweak, temptweak, 0x10);
for (u32 i = 0; i < secsize / 0x10; i++) {
for (u32 i = 0; i < secsize / 0x10; i++)
{
for (u32 j = 0; j < 4; j++)
pdst[j] = pdst[j] ^ ptweak[j];
_gf256_mul_x_le(tweak);
@ -404,17 +492,21 @@ int se_aes_cmac(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size)
se_aes_key_iv_clear(ks);
u32 num_blocks = (src_size + 0xf) >> 4;
if (num_blocks > 1) {
if (num_blocks > 1)
{
SE(SE_BLOCK_COUNT_REG_OFFSET) = num_blocks - 2;
if (!_se_execute(OP_START, NULL, 0, src, src_size))
goto out;
SE(SE_CRYPTO_REG_OFFSET) |= SE_CRYPTO_IV_SEL(IV_UPDATED);
}
if (src_size & 0xf) {
if (src_size & 0xf)
{
memcpy(last_block, src + (src_size & ~0xf), src_size & 0xf);
last_block[src_size & 0xf] = 0x80;
} else if (src_size >= 0x10) {
}
else if (src_size >= 0x10)
{
memcpy(last_block, src + src_size - 0x10, 0x10);
}
@ -461,7 +553,8 @@ int se_calc_sha256(void *dst, const void *src, u32 src_size)
return res;
}
int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size) {
int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size)
{
int res = 0;
u8 *secret = (u8 *)malloc(0x40);
u8 *ipad = (u8 *)malloc(0x40 + src_size);

5
source/sec/se.h
View file

@ -25,12 +25,17 @@ void se_rsa_key_clear(u32 ks);
int se_rsa_exp_mod(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size);
void se_key_acc_ctrl(u32 ks, u32 flags);
void se_aes_key_set(u32 ks, const void *key, u32 size);
void se_aes_iv_set(u32 ks, const void *iv, u32 size);
void se_aes_key_read(u32 ks, void *key, u32 size);
void se_aes_key_clear(u32 ks);
int se_initialize_rng(u32 ks);
int se_generate_random(u32 ks, void *dst, u32 size);
int se_generate_random_key(u32 ks_dst, u32 ks_src);
int se_aes_unwrap_key(u32 ks_dst, u32 ks_src, const void *input);
int se_aes_crypt_ecb(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src);
int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr);
int se_aes_crypt_cbc(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size);
int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize);
int se_aes_xts_crypt(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const void *src, u32 secsize, u32 num_secs);
int se_aes_cmac(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size);