tls_record.cc File Reference

#include <openssl/ssl.h>
#include <assert.h>
#include <string.h>
#include <openssl/bytestring.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include "internal.h"
#include "../crypto/internal.h"

Include dependency graph for tls_record.cc:

Go to the source code of this file.

Functions
static bool	do_seal_record (SSL *ssl, uint8_t *out_prefix, uint8_t *out, uint8_t *out_suffix, uint8_t type, const uint8_t *in, const size_t in_len)
OpenRecordResult	OpenRecord (SSL *ssl, Span< uint8_t > *out, size_t *out_record_len, uint8_t *out_alert, const Span< uint8_t > in)
bool	SealRecord (SSL *ssl, const Span< uint8_t > out_prefix, const Span< uint8_t > out, Span< uint8_t > out_suffix, const Span< const uint8_t > in)
size_t	SealRecordPrefixLen (const SSL *ssl, const size_t record_len)
size_t	SealRecordSuffixLen (const SSL *ssl, const size_t plaintext_len)
static ssl_open_record_t	skip_early_data (SSL *ssl, uint8_t *out_alert, size_t consumed)
size_t	SSL_max_seal_overhead (const SSL *ssl)
static bool	ssl_needs_record_splitting (const SSL *ssl)
enum ssl_open_record_t	ssl_process_alert (SSL *ssl, uint8_t *out_alert, Span< const uint8_t > in)
size_t	ssl_record_prefix_len (const SSL *ssl)
bool	ssl_record_sequence_update (uint8_t *seq, size_t seq_len)
size_t	ssl_seal_align_prefix_len (const SSL *ssl)
ssl_open_record_t	tls_open_record (SSL *ssl, uint8_t *out_type, Span< uint8_t > *out, size_t *out_consumed, uint8_t *out_alert, Span< uint8_t > in)
bool	tls_seal_record (SSL *ssl, uint8_t *out, size_t *out_len, size_t max_out_len, uint8_t type, const uint8_t *in, size_t in_len)
static size_t	tls_seal_scatter_prefix_len (const SSL *ssl, uint8_t type, size_t in_len)
static bool	tls_seal_scatter_record (SSL *ssl, uint8_t *out_prefix, uint8_t *out, uint8_t *out_suffix, uint8_t type, const uint8_t *in, size_t in_len)
static bool	tls_seal_scatter_suffix_len (const SSL *ssl, size_t *out_suffix_len, uint8_t type, size_t in_len)

Variables
static const size_t	kMaxEarlyDataSkipped = 16384
static const BSSL_NAMESPACE_BEGIN uint8_t	kMaxEmptyRecords = 32
static const uint8_t	kMaxWarningAlerts = 4

Function Documentation

do_seal_record()

static bool do_seal_record ( SSL *  ssl, uint8_t *  out_prefix, uint8_t *  out, uint8_t *  out_suffix, uint8_t  type, const uint8_t *  in, const size_t  in_len  )

static

Definition at line 376 of file tls_record.cc.

OpenRecord()

OpenRecordResult OpenRecord	(	SSL *	ssl,
		Span< uint8_t > *	out,
		size_t *	out_record_len,
		uint8_t *	out_alert,
		const Span< uint8_t >	in
	)

Definition at line 605 of file tls_record.cc.

SealRecord()

bool SealRecord	(	SSL *	ssl,
		const Span< uint8_t >	out_prefix,
		const Span< uint8_t >	out,
		Span< uint8_t >	out_suffix,
		const Span< const uint8_t >	in
	)

Definition at line 661 of file tls_record.cc.

SealRecordPrefixLen()

size_t SealRecordPrefixLen	(	const SSL *	ssl,
		const size_t	record_len
	)

Definition at line 644 of file tls_record.cc.

SealRecordSuffixLen()

size_t SealRecordSuffixLen	(	const SSL *	ssl,
		const size_t	plaintext_len
	)

Definition at line 648 of file tls_record.cc.

skip_early_data()

static ssl_open_record_t skip_early_data ( SSL *  ssl, uint8_t *  out_alert, size_t  consumed  )

static

Definition at line 190 of file tls_record.cc.

SSL_max_seal_overhead()

size_t SSL_max_seal_overhead

(

const SSL *

ssl

)

Definition at line 689 of file tls_record.cc.

ssl_needs_record_splitting()

static bool ssl_needs_record_splitting ( const SSL *  ssl )

static

Definition at line 143 of file tls_record.cc.

ssl_process_alert()

enum ssl_open_record_t ssl_process_alert	(	SSL *	ssl,
		uint8_t *	out_alert,
		Span< const uint8_t >	in
	)

Definition at line 548 of file tls_record.cc.

ssl_record_prefix_len()

size_t ssl_record_prefix_len

(

const SSL *

ssl

)

Definition at line 165 of file tls_record.cc.

ssl_record_sequence_update()

bool ssl_record_sequence_update	(	uint8_t *	seq,
		size_t	seq_len
	)

Definition at line 154 of file tls_record.cc.

ssl_seal_align_prefix_len()

size_t ssl_seal_align_prefix_len

(

const SSL *

ssl

)

Definition at line 176 of file tls_record.cc.

tls_open_record()

ssl_open_record_t tls_open_record	(	SSL *	ssl,
		uint8_t *	out_type,
		Span< uint8_t > *	out,
		size_t *	out_consumed,
		uint8_t *	out_alert,
		Span< uint8_t >	in
	)

Definition at line 206 of file tls_record.cc.

tls_seal_record()

bool tls_seal_record	(	SSL *	ssl,
		uint8_t *	out,
		size_t *	out_len,
		size_t	max_out_len,
		uint8_t	type,
		const uint8_t *	in,
		size_t	in_len
	)

Definition at line 514 of file tls_record.cc.

tls_seal_scatter_prefix_len()

static size_t tls_seal_scatter_prefix_len ( const SSL *  ssl, uint8_t  type, size_t  in_len  )

static

Definition at line 425 of file tls_record.cc.

tls_seal_scatter_record()

static bool tls_seal_scatter_record ( SSL *  ssl, uint8_t *  out_prefix, uint8_t *  out, uint8_t *  out_suffix, uint8_t  type, const uint8_t *  in, size_t  in_len  )

static

Definition at line 469 of file tls_record.cc.

tls_seal_scatter_suffix_len()

static bool tls_seal_scatter_suffix_len ( const SSL *  ssl, size_t *  out_suffix_len, uint8_t  type, size_t  in_len  )

static

Definition at line 442 of file tls_record.cc.

Variable Documentation

kMaxEarlyDataSkipped

const size_t kMaxEarlyDataSkipped = 16384

static

Definition at line 135 of file tls_record.cc.

kMaxEmptyRecords

const BSSL_NAMESPACE_BEGIN uint8_t kMaxEmptyRecords = 32

static

Definition at line 128 of file tls_record.cc.

kMaxWarningAlerts

const uint8_t kMaxWarningAlerts = 4

static

Definition at line 139 of file tls_record.cc.