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bcrypt: Make BCRYPT_HASH_LENGTH implementation more generic. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Jacek Caban 2016-01-29 14:25:23 +01:00 committed by Alexandre Julliard
parent 08d2b8ef47
commit f0e499f292
1 changed files with 37 additions and 81 deletions
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118
dlls/bcrypt/bcrypt_main.c
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@ -174,10 +174,19 @@ struct object
enum alg_id
{
ALG_ID_SHA1 = 1,
ALG_ID_SHA256 = 2,
ALG_ID_SHA384 = 3,
ALG_ID_SHA512 = 4
ALG_ID_SHA1,
ALG_ID_SHA256,
ALG_ID_SHA384,
ALG_ID_SHA512
};
static const struct {
ULONG hash_length;
} alg_props[] = {
/* ALG_ID_SHA1 */ { 20 },
/* ALG_ID_SHA256 */ { 32 },
/* ALG_ID_SHA384 */ { 48 },
/* ALG_ID_SHA512 */ { 64 }
};
struct algorithm
@ -421,15 +430,30 @@ static NTSTATUS hash_finish( struct hash *hash, UCHAR *output, ULONG size )
#define OBJECT_LENGTH_SHA384 382
#define OBJECT_LENGTH_SHA512 382
#define HASH_DIGEST_LENGTH_SHA1 20
#define HASH_DIGEST_LENGTH_SHA256 32
#define HASH_DIGEST_LENGTH_SHA384 48
#define HASH_DIGEST_LENGTH_SHA512 64
static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
*ret_size = sizeof(ULONG);
if (size < sizeof(ULONG))
return STATUS_BUFFER_TOO_SMALL;
if(buf)
*(ULONG*)buf = alg_props[id].hash_length;
return STATUS_SUCCESS;
}
return STATUS_NOT_IMPLEMENTED;
}
static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
NTSTATUS status;
ULONG value;
status = generic_alg_property( id, prop, buf, size, ret_size );
if (status != STATUS_NOT_IMPLEMENTED)
return status;
switch (id)
{
case ALG_ID_SHA1:
@ -438,11 +462,6 @@ static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf,
value = OBJECT_LENGTH_SHA1;
break;
}
else if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA1;
break;
}
FIXME( "unsupported sha1 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
@ -452,11 +471,6 @@ static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf,
value = OBJECT_LENGTH_SHA256;
break;
}
else if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA256;
break;
}
FIXME( "unsupported sha256 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
@ -466,11 +480,6 @@ static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf,
value = OBJECT_LENGTH_SHA384;
break;
}
else if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA384;
break;
}
FIXME( "unsupported sha384 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
@ -480,11 +489,6 @@ static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf,
value = OBJECT_LENGTH_SHA512;
break;
}
else if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA512;
break;
}
FIXME( "unsupported sha512 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
@ -506,60 +510,12 @@ static NTSTATUS get_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf,
static NTSTATUS get_hash_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
ULONG value;
NTSTATUS status;
switch (id)
{
case ALG_ID_SHA1:
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA1;
break;
}
FIXME( "unsupported sha1 hash property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA256:
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA256;
break;
}
FIXME( "unsupported sha256 hash property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA384:
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA384;
break;
}
FIXME( "unsupported sha384 hash property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA512:
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
value = HASH_DIGEST_LENGTH_SHA512;
break;
}
FIXME( "unsupported sha512 hash property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
default:
FIXME( "unsupported hash %u\n", id );
return STATUS_NOT_IMPLEMENTED;
}
if (size < sizeof(ULONG))
{
*ret_size = sizeof(ULONG);
return STATUS_BUFFER_TOO_SMALL;
}
if (buf) *(ULONG *)buf = value;
*ret_size = sizeof(ULONG);
return STATUS_SUCCESS;
status = generic_alg_property( id, prop, buf, size, ret_size );
if (status == STATUS_NOT_IMPLEMENTED)
FIXME( "unsupported property %s\n", debugstr_w(prop) );
return status;
}
NTSTATUS WINAPI BCryptGetProperty( BCRYPT_HANDLE handle, LPCWSTR prop, UCHAR *buffer, ULONG count, ULONG *res, ULONG flags )