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bcrypt: Unify the object length handling. 

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2017-03-10 15:33:42 +01:00 committed by Alexandre Julliard
parent 10266f5bf5
commit ced491c65f
1 changed files with 22 additions and 82 deletions
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104
dlls/bcrypt/bcrypt_main.c
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@ -147,16 +147,17 @@ enum alg_id
#define MAX_HASH_BLOCK_BITS 1024
static const struct {
ULONG object_length;
ULONG hash_length;
ULONG block_bits;
const WCHAR *alg_name;
} alg_props[] = {
/* ALG_ID_MD5 */ { 16, 512, BCRYPT_MD5_ALGORITHM },
/* ALG_ID_RNG */ { 0, 0, BCRYPT_RNG_ALGORITHM },
/* ALG_ID_SHA1 */ { 20, 512, BCRYPT_SHA1_ALGORITHM },
/* ALG_ID_SHA256 */ { 32, 512, BCRYPT_SHA256_ALGORITHM },
/* ALG_ID_SHA384 */ { 48, 1024, BCRYPT_SHA384_ALGORITHM },
/* ALG_ID_SHA512 */ { 64, 1024, BCRYPT_SHA512_ALGORITHM }
/* ALG_ID_MD5 */ { 274, 16, 512, BCRYPT_MD5_ALGORITHM },
/* ALG_ID_RNG */ { 0, 0, 0, BCRYPT_RNG_ALGORITHM },
/* ALG_ID_SHA1 */ { 278, 20, 512, BCRYPT_SHA1_ALGORITHM },
/* ALG_ID_SHA256 */ { 286, 32, 512, BCRYPT_SHA256_ALGORITHM },
/* ALG_ID_SHA384 */ { 382, 48, 1024, BCRYPT_SHA384_ALGORITHM },
/* ALG_ID_SHA512 */ { 382, 64, 1024, BCRYPT_SHA512_ALGORITHM }
};
struct algorithm
@ -387,14 +388,20 @@ struct hash
struct hash_impl inner;
};
#define OBJECT_LENGTH_MD5 274
#define OBJECT_LENGTH_SHA1 278
#define OBJECT_LENGTH_SHA256 286
#define OBJECT_LENGTH_SHA384 382
#define OBJECT_LENGTH_SHA512 382
static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )
{
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
if (!alg_props[id].object_length)
return STATUS_NOT_SUPPORTED;
*ret_size = sizeof(ULONG);
if (size < sizeof(ULONG))
return STATUS_BUFFER_TOO_SMALL;
if (buf)
*(ULONG *)buf = alg_props[id].object_length;
return STATUS_SUCCESS;
}
if (!strcmpW( prop, BCRYPT_HASH_LENGTH ))
{
*ret_size = sizeof(ULONG);
@ -421,78 +428,11 @@ static NTSTATUS generic_alg_property( enum alg_id id, const WCHAR *prop, UCHAR *
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_MD5:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
value = OBJECT_LENGTH_MD5;
break;
}
FIXME( "unsupported md5 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_RNG:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH )) return STATUS_NOT_SUPPORTED;
FIXME( "unsupported rng algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA1:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
value = OBJECT_LENGTH_SHA1;
break;
}
FIXME( "unsupported sha1 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA256:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
value = OBJECT_LENGTH_SHA256;
break;
}
FIXME( "unsupported sha256 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA384:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
value = OBJECT_LENGTH_SHA384;
break;
}
FIXME( "unsupported sha384 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
case ALG_ID_SHA512:
if (!strcmpW( prop, BCRYPT_OBJECT_LENGTH ))
{
value = OBJECT_LENGTH_SHA512;
break;
}
FIXME( "unsupported sha512 algorithm property %s\n", debugstr_w(prop) );
return STATUS_NOT_IMPLEMENTED;
default:
FIXME( "unsupported algorithm %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;
if (status == STATUS_NOT_IMPLEMENTED)
FIXME( "unsupported property %s\n", debugstr_w(prop) );
return status;
}
static NTSTATUS get_hash_property( enum alg_id id, const WCHAR *prop, UCHAR *buf, ULONG size, ULONG *ret_size )