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Code Issues Releases Activity

SE: Boost its speed while BPMP cache is on

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Plus add se_aes_crypt_ecb().

Thanks @shchmue for pointing out that speed bump
This commit is contained in:
CTCaer 2019-09-12 23:27:04 +03:00
parent 4dcb2c6343
commit 8033ba461f
4 changed files with 28 additions and 16 deletions
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21
bootloader/sec/se.c
View file

@ -74,8 +74,6 @@ static int _se_wait()
static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src_size)
{
bpmp_mmu_disable();
se_ll_t *ll_dst = NULL, *ll_src = NULL;
if (dst)
@ -94,17 +92,19 @@ static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src
SE(SE_ERR_STATUS_0) = SE(SE_ERR_STATUS_0);
SE(SE_INT_STATUS_REG_OFFSET) = SE(SE_INT_STATUS_REG_OFFSET);
SE(SE_OPERATION_REG_OFFSET) = SE_OPERATION(op);
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY);
SE(SE_OPERATION_REG_OFFSET) = SE_OPERATION(op);
int res = _se_wait();
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY);
if (src)
free(ll_src);
if (dst)
free(ll_dst);
bpmp_mmu_enable();
return res;
}
@ -178,7 +178,7 @@ int se_aes_unwrap_key(u32 ks_dst, u32 ks_src, const void *input)
return _se_execute(OP_START, NULL, 0, input, 0x10);
}
int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
int se_aes_crypt_ecb(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size)
{
if (enc)
{
@ -190,8 +190,13 @@ int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
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_CORE_SEL(CORE_DECRYPT);
}
SE(SE_BLOCK_COUNT_REG_OFFSET) = 0;
return _se_execute(OP_START, dst, 0x10, src, 0x10);
SE(SE_BLOCK_COUNT_REG_OFFSET) = (src_size >> 4) - 1;
return _se_execute(OP_START, dst, dst_size, src, src_size);
}
int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
{
return se_aes_crypt_ecb(ks, enc, dst, 0x10, src, 0x10);
}
int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr)

1
bootloader/sec/se.h
View file

@ -24,6 +24,7 @@ void se_key_acc_ctrl(u32 ks, u32 flags);
void se_aes_key_set(u32 ks, void *key, u32 size);
void se_aes_key_clear(u32 ks);
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_calc_sha256(void *dst, const void *src, u32 src_size);

21
nyx/nyx_gui/sec/se.c
View file

@ -74,8 +74,6 @@ static int _se_wait()
static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src_size)
{
bpmp_mmu_disable();
se_ll_t *ll_dst = NULL, *ll_src = NULL;
if (dst)
@ -94,17 +92,19 @@ static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src
SE(SE_ERR_STATUS_0) = SE(SE_ERR_STATUS_0);
SE(SE_INT_STATUS_REG_OFFSET) = SE(SE_INT_STATUS_REG_OFFSET);
SE(SE_OPERATION_REG_OFFSET) = SE_OPERATION(op);
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY);
SE(SE_OPERATION_REG_OFFSET) = SE_OPERATION(op);
int res = _se_wait();
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY);
if (src)
free(ll_src);
if (dst)
free(ll_dst);
bpmp_mmu_enable();
return res;
}
@ -178,7 +178,7 @@ int se_aes_unwrap_key(u32 ks_dst, u32 ks_src, const void *input)
return _se_execute(OP_START, NULL, 0, input, 0x10);
}
int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
int se_aes_crypt_ecb(u32 ks, u32 enc, void *dst, u32 dst_size, const void *src, u32 src_size)
{
if (enc)
{
@ -190,8 +190,13 @@ int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
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_CORE_SEL(CORE_DECRYPT);
}
SE(SE_BLOCK_COUNT_REG_OFFSET) = 0;
return _se_execute(OP_START, dst, 0x10, src, 0x10);
SE(SE_BLOCK_COUNT_REG_OFFSET) = (src_size >> 4) - 1;
return _se_execute(OP_START, dst, dst_size, src, src_size);
}
int se_aes_crypt_block_ecb(u32 ks, u32 enc, void *dst, const void *src)
{
return se_aes_crypt_ecb(ks, enc, dst, 0x10, src, 0x10);
}
int se_aes_crypt_ctr(u32 ks, void *dst, u32 dst_size, const void *src, u32 src_size, void *ctr)

1
nyx/nyx_gui/sec/se.h
View file

@ -24,6 +24,7 @@ void se_key_acc_ctrl(u32 ks, u32 flags);
void se_aes_key_set(u32 ks, void *key, u32 size);
void se_aes_key_clear(u32 ks);
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_calc_sha256(void *dst, const void *src, u32 src_size);