er.c File Reference

#include <freerdp/config.h>
#include <winpr/crt.h>
#include <freerdp/crypto/er.h>
#include <freerdp/crypto/ber.h>
#include <freerdp/crypto/der.h>

Functions
void	er_read_length (wStream *s, int *length)
int	er_write_length (wStream *s, int length, BOOL flag)
int	_er_skip_length (int length)
int	er_get_content_length (int length)
BOOL	er_read_universal_tag (wStream *s, BYTE tag, BOOL pc)
void	er_write_universal_tag (wStream *s, BYTE tag, BOOL pc)
BOOL	er_read_application_tag (wStream *s, BYTE tag, int *length)
void	er_write_application_tag (wStream *s, BYTE tag, int length, BOOL flag)
BOOL	er_read_contextual_tag (wStream *s, BYTE tag, int *length, BOOL pc)
int	er_write_contextual_tag (wStream *s, BYTE tag, int length, BOOL pc, BOOL flag)
int	er_skip_contextual_tag (int length)
BOOL	er_read_sequence_tag (wStream *s, int *length)
int	er_write_sequence_tag (wStream *s, int length, BOOL flag)
int	er_skip_sequence (int length)
int	er_skip_sequence_tag (int length)
BOOL	er_read_enumerated (wStream *s, BYTE *enumerated, BYTE count)
void	er_write_enumerated (wStream *s, BYTE enumerated, BYTE count, BOOL flag)
BOOL	er_read_bit_string (wStream *s, int *length, BYTE *padding)
BOOL	er_write_bit_string_tag (wStream *s, UINT32 length, BYTE padding, BOOL flag)
BOOL	er_read_octet_string (wStream *s, int *length)
void	er_write_octet_string (wStream *s, BYTE *oct_str, int length, BOOL flag)
int	er_write_octet_string_tag (wStream *s, int length, BOOL flag)
int	er_skip_octet_string (int length)
BOOL	er_read_BOOL (wStream *s, BOOL *value)
void	er_write_BOOL (wStream *s, BOOL value)
BOOL	er_read_integer (wStream *s, UINT32 *value)
int	er_write_integer (wStream *s, INT32 value)
int	er_skip_integer (INT32 value)
BOOL	er_read_integer_length (wStream *s, int *length)

Function Documentation

_er_skip_length()

int _er_skip_length

(

int

length

)

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er_get_content_length()

int er_get_content_length

(

int

length

)

er_read_application_tag()

BOOL er_read_application_tag	(	wStream *	s,
		BYTE	tag,
		int *	length
	)

Read er Application tag.

Parameters

s	stream
tag	er application-defined tag
length	length

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er_read_bit_string()

BOOL er_read_bit_string	(	wStream *	s,
		int *	length,
		BYTE *	padding
	)

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er_read_BOOL()

BOOL er_read_BOOL	(	wStream *	s,
		BOOL *	value
	)

Read a er BOOLEAN

Parameters

s	A pointer to the stream to read from
value	A pointer to read the data to

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er_read_contextual_tag()

BOOL er_read_contextual_tag	(	wStream *	s,
		BYTE	tag,
		int *	length,
		BOOL	pc
	)

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er_read_enumerated()

BOOL er_read_enumerated	(	wStream *	s,
		BYTE *	enumerated,
		BYTE	count
	)

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er_read_integer()

BOOL er_read_integer	(	wStream *	s,
		UINT32 *	value
	)

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er_read_integer_length()

BOOL er_read_integer_length	(	wStream *	s,
		int *	length
	)

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er_read_length()

void er_read_length	(	wStream *	s,
		int *	length
	)

FreeRDP: A Remote Desktop Protocol Implementation ASN.1 Encoding Rules (BER/DER common functions)

Copyright 2011 Marc-Andre Moreau marca.nosp@m.ndre.nosp@m..more.nosp@m.au@g.nosp@m.mail..nosp@m.com Modified by Jiten Pathy

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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er_read_octet_string()

BOOL er_read_octet_string	(	wStream *	s,
		int *	length
	)

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er_read_sequence_tag()

BOOL er_read_sequence_tag	(	wStream *	s,
		int *	length
	)

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er_read_universal_tag()

BOOL er_read_universal_tag	(	wStream *	s,
		BYTE	tag,
		BOOL	pc
	)

Read er Universal tag.

Parameters

s	A pointer to the stream to write to
tag	er universally-defined tag

Returns

TRUE for success

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er_skip_contextual_tag()

int er_skip_contextual_tag

(

int

length

)

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er_skip_integer()

int er_skip_integer

(

INT32

value

)

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er_skip_octet_string()

int er_skip_octet_string

(

int

length

)

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er_skip_sequence()

int er_skip_sequence

(

int

length

)

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er_skip_sequence_tag()

int er_skip_sequence_tag

(

int

length

)

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er_write_application_tag()

void er_write_application_tag	(	wStream *	s,
		BYTE	tag,
		int	length,
		BOOL	flag
	)

Write er Application tag.

Parameters

s	stream
tag	er application-defined tag
length	length

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er_write_bit_string_tag()

BOOL er_write_bit_string_tag	(	wStream *	s,
		UINT32	length,
		BYTE	padding,
		BOOL	flag
	)

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er_write_BOOL()

void er_write_BOOL	(	wStream *	s,
		BOOL	value
	)

Write a er BOOLEAN

Parameters

s	A pointer to the stream to write to
value	The value to write

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er_write_contextual_tag()

int er_write_contextual_tag	(	wStream *	s,
		BYTE	tag,
		int	length,
		BOOL	pc,
		BOOL	flag
	)

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er_write_enumerated()

void er_write_enumerated	(	wStream *	s,
		BYTE	enumerated,
		BYTE	count,
		BOOL	flag
	)

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er_write_integer()

int er_write_integer	(	wStream *	s,
		INT32	value
	)

Write a er INTEGER

Parameters

s	A pointer to the stream to write to
value	the value to write

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er_write_length()

int er_write_length	(	wStream *	s,
		int	length,
		BOOL	flag
	)

Write er length.

Parameters

s	stream
length	length

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er_write_octet_string()

void er_write_octet_string	(	wStream *	s,
		BYTE *	oct_str,
		int	length,
		BOOL	flag
	)

Write a er OCTET_STRING

Parameters

s	stream
oct_str	octet string
length	string length

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er_write_octet_string_tag()

int er_write_octet_string_tag	(	wStream *	s,
		int	length,
		BOOL	flag
	)

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er_write_sequence_tag()

int er_write_sequence_tag	(	wStream *	s,
		int	length,
		BOOL	flag
	)

Write er SEQUENCE tag.

Parameters

s	stream
length	length

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er_write_universal_tag()

void er_write_universal_tag	(	wStream *	s,
		BYTE	tag,
		BOOL	pc
	)

Write er Universal tag.

Parameters

s	stream
tag	er universally-defined tag
pc	primitive (FALSE) or constructed (TRUE)

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