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Prepare for DPAPI masterkey Context 3

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This commit is contained in:
Gabriele Gristina 2022-03-06 00:47:14 +01:00
parent 233cd56f16
commit fe96e26eff
5 changed files with 27 additions and 21 deletions
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22
OpenCL/m15300-pure.cl
View File

@ -19,6 +19,17 @@
#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
typedef struct dpapimk_tmp_v1
{
u32 ipad[5];
u32 opad[5];
u32 dgst[10];
u32 out[10];
u32 userKey[5];
} dpapimk_tmp_v1_t;
typedef struct dpapimk
{
u32 context;
@ -39,17 +50,6 @@ typedef struct dpapimk
} dpapimk_t;
typedef struct dpapimk_tmp_v1
{
u32 ipad[5];
u32 opad[5];
u32 dgst[10];
u32 out[10];
u32 userKey[5];
} dpapimk_tmp_v1_t;
DECLSPEC void hmac_sha1_run_V (PRIVATE_AS u32x *w0, PRIVATE_AS u32x *w1, PRIVATE_AS u32x *w2, PRIVATE_AS u32x *w3, PRIVATE_AS u32x *ipad, PRIVATE_AS u32x *opad, PRIVATE_AS u32x *digest)
{
digest[0] = ipad[0];

4
src/modules/module_15300.c
View File

@ -18,7 +18,7 @@ static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
static const char *HASH_NAME = "DPAPI masterkey file v1";
static const char *HASH_NAME = "DPAPI masterkey file v1 (context 1 and 2)";
static const u64 KERN_TYPE = 15300;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
@ -224,6 +224,8 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
dpapimk->context = hc_strtoul ((const char *) context_pos, NULL, 10);
if (dpapimk->context != 1 && dpapimk->context != 2) return (PARSER_SALT_LENGTH);
for (u32 i = 0; i < dpapimk->contents_len / 8; i++)
{
dpapimk->contents[i] = hex_to_u32 ((const u8 *) &contents_pos[i * 8]);

4
src/modules/module_15900.c
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@ -18,7 +18,7 @@ static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
static const char *HASH_NAME = "DPAPI masterkey file v2";
static const char *HASH_NAME = "DPAPI masterkey file v2 (context 1 and 2)";
static const u64 KERN_TYPE = 15900;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_USES_BITS_64
@ -212,6 +212,8 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
dpapimk->context = hc_strtoul ((const char *) context_pos, NULL, 10);
if (dpapimk->context != 1 && dpapimk->context != 2) return (PARSER_SALT_LENGTH);
for (u32 i = 0; i < dpapimk->contents_len / 8; i++)
{
dpapimk->contents[i] = hex_to_u32 ((const u8 *) &contents_pos[i * 8]);

13
tools/test_modules/m15300.pm
View File

@ -130,11 +130,11 @@ sub module_generate_hash
if ($context == 1)
{
$user_hash = sha1 (encode ("UTF-16LE", $word_buf));
$user_hash = sha1 (encode ("UTF-16LE", $word_buf));
}
elsif ($context == 2)
{
$user_hash = md4 (encode ("UTF-16LE", $word_buf));
$user_hash = md4 (encode ("UTF-16LE", $word_buf));
}
$user_derivationKey = hmac_sha1 (encode ("UTF-16LE", $SID . "\x00"), $user_hash);
@ -375,15 +375,15 @@ sub module_verify_hash
my $signature = $tmp_data[1];
next unless ($signature eq 'DPAPImk');
return unless ($signature eq 'DPAPImk');
my @data = split ('\*', $tmp_data[2]);
next unless (scalar @data == 9);
return unless (scalar @data == 9);
my $version = shift @data;
next unless ($version == 1 || $version == 2);
return unless ($version == 1 || $version == 2);
my $context = shift @data;
my $SID = shift @data;
@ -394,7 +394,8 @@ sub module_verify_hash
my $cipher_len = shift @data;
my $cipher = shift @data;
next unless (length ($cipher) == $cipher_len);
return unless ($context == 1 || $context == 2);
return unless (length ($cipher) == $cipher_len);
if ($version == 1)
{

5
tools/test_modules/m15900.pm
View File

@ -132,11 +132,11 @@ sub module_generate_hash
if ($context == 1)
{
$user_hash = sha1 (encode ("UTF-16LE", $word_buf));
$user_hash = sha1 (encode ("UTF-16LE", $word_buf));
}
elsif ($context == 2)
{
$user_hash = md4 (encode ("UTF-16LE", $word_buf));
$user_hash = md4 (encode ("UTF-16LE", $word_buf));
}
$user_derivationKey = hmac_sha1 (encode ("UTF-16LE", $SID . "\x00"), $user_hash);
@ -396,6 +396,7 @@ sub module_verify_hash
my $cipher_len = shift @data;
my $cipher = shift @data;
return unless ($context == 1 || $context == 2);
return unless (length ($cipher) == $cipher_len);
if ($version == 1)