Merge lockpickrcm changes

This commit is contained in:
Such Meme, Many Skill
2020-05-19 18:20:19 +02:00
parent a8e86c2de3
commit fc69dc36ee
20 changed files with 633 additions and 104 deletions

View File

@@ -19,6 +19,7 @@
#include <string.h>
#include "../../common/memory_map.h"
#include "../sec/se.h"
#include "../mem/heap.h"
#include "../soc/bpmp.h"
@@ -94,7 +95,12 @@ static int _se_wait()
static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src_size)
{
se_ll_t *ll_dst = (se_ll_t *)0xECFFFFE0, *ll_src = (se_ll_t *)0xECFFFFF0;
static se_ll_t *ll_dst = NULL, *ll_src = NULL;
if (!ll_dst)
{
ll_dst = (se_ll_t *)malloc(sizeof(se_ll_t));
ll_src = (se_ll_t *)malloc(sizeof(se_ll_t));
}
if (dst)
{
@@ -234,6 +240,16 @@ 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;
@@ -320,12 +336,90 @@ 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(RNG_MODE_FORCE_INSTANTION) | SE_RNG_CONFIG_SRC(RNG_SRC_ENTROPY);
SE(SE_RNG_RESEED_INTERVAL_REG_OFFSET) = 70001;
SE(SE_RNG_SRC_CONFIG_REG_OFFSET) = SE_RNG_SRC_CONFIG_ENT_SRC_LOCK(RNG_SRC_RO_ENT_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(RNG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(RNG_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(RNG_MODE_NORMAL) | SE_RNG_CONFIG_SRC(RNG_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;
u8 *tweak = (u8 *)malloc(0x10);
u8 *pdst = (u8 *)dst;
u8 *psrc = (u8 *)src;
u8 *temptweak = (u8 *)malloc(0x10);
u32 *pdst = (u32 *)dst;
u32 *psrc = (u32 *)src;
u32 *ptweak = (u32 *)tweak;
//Generate tweak.
for (int i = 0xF; i >= 0; i--)
@@ -336,23 +430,35 @@ int se_aes_xts_crypt_sec(u32 ks1, u32 ks2, u32 enc, u64 sec, void *dst, const vo
if (!se_aes_crypt_block_ecb(ks1, 1, tweak, tweak))
goto out;
memcpy(temptweak, tweak, 0x10);
//We are assuming a 0x10-aligned sector size in this implementation.
for (u32 i = 0; i < secsize / 0x10; i++)
{
for (u32 j = 0; j < 0x10; j++)
pdst[j] = psrc[j] ^ tweak[j];
if (!se_aes_crypt_block_ecb(ks2, enc, pdst, pdst))
goto out;
for (u32 j = 0; j < 0x10; j++)
pdst[j] = pdst[j] ^ tweak[j];
for (u32 j = 0; j < 4; j++)
pdst[j] = psrc[j] ^ ptweak[j];
_gf256_mul_x_le(tweak);
psrc += 0x10;
pdst += 0x10;
psrc += 4;
pdst += 4;
}
se_aes_crypt_ecb(ks2, enc, dst, secsize, dst, secsize);
pdst = (u32 *)dst;
memcpy(tweak, temptweak, 0x10);
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);
pdst += 4;
}
res = 1;
out:;
free(temptweak);
free(tweak);
return res;
}
@@ -390,17 +496,21 @@ 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);
}
@@ -447,7 +557,8 @@ 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);