Botan 1.10.17
Botan::X509_CRL Class Reference

#include <x509_crl.h>

Inheritance diagram for Botan::X509_CRL:
Botan::X509_Object

Classes

struct  X509_CRL_Error

Public Member Functions

MemoryVector< byteauthority_key_id () const
MemoryVector< byteBER_encode () const
bool check_signature (class Public_Key &key) const
bool check_signature (class Public_Key *key) const
u32bit crl_number () const
void encode (Pipe &out, X509_Encoding encoding=PEM) const
std::vector< CRL_Entryget_revoked () const
std::string hash_used_for_signature () const
X509_DN issuer_dn () const
X509_Time next_update () const
std::string PEM_encode () const
MemoryVector< bytesignature () const
AlgorithmIdentifier signature_algorithm () const
MemoryVector< bytetbs_data () const
X509_Time this_update () const
 X509_CRL (const std::string &filename, bool throw_on_unknown_critical=false)
 X509_CRL (DataSource &source, bool throw_on_unknown_critical=false)

Static Public Member Functions

static MemoryVector< bytemake_signed (class PK_Signer *signer, RandomNumberGenerator &rng, const AlgorithmIdentifier &alg_id, const MemoryRegion< byte > &tbs)

Protected Member Functions

void do_decode ()

Protected Attributes

MemoryVector< bytesig
AlgorithmIdentifier sig_algo
MemoryVector< bytetbs_bits

Detailed Description

This class represents X.509 Certificate Revocation Lists (CRLs).

Definition at line 20 of file x509_crl.h.

Constructor & Destructor Documentation

◆ X509_CRL() [1/2]

Botan::X509_CRL::X509_CRL ( DataSource & source,
bool throw_on_unknown_critical = false )

Construct a CRL from a data source.

Parameters
sourcethe data source providing the DER or PEM encoded CRL.
throw_on_unknown_criticalshould we throw an exception if an unknown CRL extension marked as critical is encountered.

Definition at line 20 of file x509_crl.cpp.

20 :
21 X509_Object(in, "X509 CRL/CRL"), throw_on_unknown_critical(touc)
22 {
23 do_decode();
24 }

References Botan::X509_Object::do_decode(), and Botan::X509_Object::X509_Object().

◆ X509_CRL() [2/2]

Botan::X509_CRL::X509_CRL ( const std::string & filename,
bool throw_on_unknown_critical = false )

Construct a CRL from a file containing the DER or PEM encoded CRL.

Parameters
filenamethe name of the CRL file
throw_on_unknown_criticalshould we throw an exception if an unknown CRL extension marked as critical is encountered.

Definition at line 29 of file x509_crl.cpp.

29 :
30 X509_Object(in, "CRL/X509 CRL"), throw_on_unknown_critical(touc)
31 {
32 do_decode();
33 }

References Botan::X509_Object::do_decode(), and Botan::X509_Object::X509_Object().

Member Function Documentation

◆ authority_key_id()

MemoryVector< byte > Botan::X509_CRL::authority_key_id ( ) const

Get the AuthorityKeyIdentifier of this CRL.

Returns
this CRLs AuthorityKeyIdentifier

Definition at line 118 of file x509_crl.cpp.

119 {
120 return info.get1_memvec("X509v3.AuthorityKeyIdentifier");
121 }

Referenced by Botan::X509_Store::add_crl().

◆ BER_encode()

MemoryVector< byte > Botan::X509_Object::BER_encode ( ) const
inherited
Returns
BER encoding of this

Definition at line 100 of file x509_obj.cpp.

101 {
102 return DER_Encoder()
103 .start_cons(SEQUENCE)
104 .start_cons(SEQUENCE)
105 .raw_bytes(tbs_bits)
106 .end_cons()
107 .encode(sig_algo)
108 .encode(sig, BIT_STRING)
109 .end_cons()
110 .get_contents();
111 }
MemoryVector< byte > sig
Definition x509_obj.h:102
AlgorithmIdentifier sig_algo
Definition x509_obj.h:101
MemoryVector< byte > tbs_bits
Definition x509_obj.h:102
@ BIT_STRING
Definition asn1_int.h:30
@ SEQUENCE
Definition asn1_int.h:35

References Botan::BIT_STRING, Botan::DER_Encoder::encode(), Botan::DER_Encoder::end_cons(), Botan::DER_Encoder::get_contents(), Botan::DER_Encoder::raw_bytes(), Botan::SEQUENCE, sig, sig_algo, Botan::DER_Encoder::start_cons(), and tbs_bits.

Referenced by encode(), PEM_encode(), and Botan::CMS_Encoder::sign().

◆ check_signature() [1/2]

bool Botan::X509_Object::check_signature ( class Public_Key & key) const
inherited

Check the signature on this data

Parameters
keythe public key purportedly used to sign this data
Returns
true if the signature is valid, otherwise false

Definition at line 178 of file x509_obj.cpp.

179 {
180 try {
181 std::vector<std::string> sig_info =
183
184 if(sig_info.size() != 2 || sig_info[0] != pub_key.algo_name())
185 return false;
186
187 std::string padding = sig_info[1];
188 Signature_Format format =
189 (pub_key.message_parts() >= 2) ? DER_SEQUENCE : IEEE_1363;
190
191 PK_Verifier verifier(pub_key, padding, format);
192
193 return verifier.verify_message(tbs_data(), signature());
194 }
195 catch(...)
196 {
197 return false;
198 }
199 }
MemoryVector< byte > tbs_data() const
Definition x509_obj.cpp:124
MemoryVector< byte > signature() const
Definition x509_obj.cpp:132
std::string lookup(const OID &oid)
Definition oids.cpp:31
std::vector< std::string > split_on(const std::string &str, char delim)
Definition parsing.cpp:152
Signature_Format
Definition pubkey.h:24
@ DER_SEQUENCE
Definition pubkey.h:24
@ IEEE_1363
Definition pubkey.h:24

References Botan::Public_Key::algo_name(), Botan::DER_SEQUENCE, Botan::IEEE_1363, Botan::OIDS::lookup(), Botan::Public_Key::message_parts(), Botan::AlgorithmIdentifier::oid, sig_algo, signature(), Botan::split_on(), tbs_data(), and Botan::PK_Verifier::verify_message().

Referenced by check_signature().

◆ check_signature() [2/2]

bool Botan::X509_Object::check_signature ( class Public_Key * key) const
inherited

Check the signature on this data

Parameters
keythe public key purportedly used to sign this data the pointer will be deleted after use
Returns
true if the signature is valid, otherwise false

Definition at line 169 of file x509_obj.cpp.

170 {
171 std::auto_ptr<Public_Key> key(pub_key);
172 return check_signature(*key);
173 }
bool check_signature(class Public_Key &key) const
Definition x509_obj.cpp:178

References check_signature().

◆ crl_number()

u32bit Botan::X509_CRL::crl_number ( ) const

Get the serial number of this CRL.

Returns
CRLs serial number

Definition at line 126 of file x509_crl.cpp.

127 {
128 return info.get1_u32bit("X509v3.CRLNumber");
129 }

Referenced by Botan::X509_CA::update_crl().

◆ do_decode()

void Botan::X509_Object::do_decode ( )
protectedinherited

Definition at line 221 of file x509_obj.cpp.

222 {
223 try {
224 force_decode();
225 }
226 catch(Decoding_Error& e)
227 {
228 throw Decoding_Error(PEM_label_pref + " decoding failed (" +
229 e.what() + ")");
230 }
231 catch(Invalid_Argument& e)
232 {
233 throw Decoding_Error(PEM_label_pref + " decoding failed (" +
234 e.what() + ")");
235 }
236 }
std::invalid_argument Invalid_Argument
Definition exceptn.h:20
Decoding_Error(const std::string &name)
Definition exceptn.h:140

References Botan::Decoding_Error::Decoding_Error().

Referenced by Botan::PKCS10_Request::PKCS10_Request(), Botan::PKCS10_Request::PKCS10_Request(), Botan::X509_Certificate::X509_Certificate(), Botan::X509_Certificate::X509_Certificate(), Botan::X509_CRL::X509_CRL(), and Botan::X509_CRL::X509_CRL().

◆ encode()

void Botan::X509_Object::encode ( Pipe & out,
X509_Encoding encoding = PEM ) const
inherited

Encode this to a pipe

Deprecated
use BER_encode or PEM_encode instead
Parameters
outthe pipe to write to
encodingthe encoding to use

Definition at line 89 of file x509_obj.cpp.

90 {
91 if(encoding == PEM)
92 out.write(this->PEM_encode());
93 else
94 out.write(this->BER_encode());
95 }
std::string PEM_encode() const
Definition x509_obj.cpp:116
MemoryVector< byte > BER_encode() const
Definition x509_obj.cpp:100

References BER_encode(), Botan::PEM, PEM_encode(), and Botan::Pipe::write().

◆ get_revoked()

std::vector< CRL_Entry > Botan::X509_CRL::get_revoked ( ) const

Get the entries of this CRL in the form of a vector.

Returns
vector containing the entries of this CRL.

Definition at line 102 of file x509_crl.cpp.

103 {
104 return revoked;
105 }

Referenced by Botan::X509_Store::add_crl(), and Botan::X509_CA::update_crl().

◆ hash_used_for_signature()

std::string Botan::X509_Object::hash_used_for_signature ( ) const
inherited
Returns
hash algorithm that was used to generate signature

Definition at line 148 of file x509_obj.cpp.

149 {
150 std::vector<std::string> sig_info =
152
153 if(sig_info.size() != 2)
154 throw Internal_Error("Invalid name format found for " +
156
157 std::vector<std::string> pad_and_hash =
158 parse_algorithm_name(sig_info[1]);
159
160 if(pad_and_hash.size() != 2)
161 throw Internal_Error("Invalid name format " + sig_info[1]);
162
163 return pad_and_hash[1];
164 }
std::string as_string() const
Definition asn1_oid.cpp:50
std::vector< std::string > parse_algorithm_name(const std::string &namex)
Definition parsing.cpp:96
Internal_Error(const std::string &err)
Definition exceptn.h:47

References Botan::OID::as_string(), Botan::Internal_Error::Internal_Error(), Botan::OIDS::lookup(), Botan::AlgorithmIdentifier::oid, Botan::parse_algorithm_name(), sig_algo, and Botan::split_on().

◆ issuer_dn()

X509_DN Botan::X509_CRL::issuer_dn ( ) const

Get the issuer DN of this CRL.

Returns
CRLs issuer DN

Definition at line 110 of file x509_crl.cpp.

111 {
112 return create_dn(info);
113 }
X509_DN create_dn(const Data_Store &info)
Definition x509cert.cpp:414

References Botan::create_dn().

Referenced by Botan::Certificate_Store_Memory::add_crl(), and Botan::X509_Store::add_crl().

◆ make_signed()

MemoryVector< byte > Botan::X509_Object::make_signed ( class PK_Signer * signer,
RandomNumberGenerator & rng,
const AlgorithmIdentifier & alg_id,
const MemoryRegion< byte > & tbs )
staticinherited

Create a signed X509 object.

Parameters
signerthe signer used to sign the object
rngthe random number generator to use
alg_idthe algorithm identifier of the signature scheme
tbsthe tbs bits to be signed
Returns
signed X509 object

Definition at line 204 of file x509_obj.cpp.

208 {
209 return DER_Encoder()
210 .start_cons(SEQUENCE)
211 .raw_bytes(tbs_bits)
212 .encode(algo)
213 .encode(signer->sign_message(tbs_bits, rng), BIT_STRING)
214 .end_cons()
215 .get_contents();
216 }

References Botan::BIT_STRING, Botan::DER_Encoder::encode(), Botan::DER_Encoder::end_cons(), Botan::DER_Encoder::get_contents(), Botan::DER_Encoder::raw_bytes(), Botan::SEQUENCE, Botan::PK_Signer::sign_message(), Botan::DER_Encoder::start_cons(), and tbs_bits.

Referenced by Botan::X509::create_cert_req(), and Botan::X509_CA::make_cert().

◆ next_update()

X509_Time Botan::X509_CRL::next_update ( ) const

Get the CRL's nextUpdate value.

Returns
CRLs nextdUpdate

Definition at line 142 of file x509_crl.cpp.

143 {
144 return info.get1("X509.CRL.end");
145 }

Referenced by Botan::X509_Store::add_crl().

◆ PEM_encode()

std::string Botan::X509_Object::PEM_encode ( ) const
inherited
Returns
PEM encoding of this

Definition at line 116 of file x509_obj.cpp.

117 {
118 return PEM_Code::encode(BER_encode(), PEM_label_pref);
119 }
std::string encode(const byte der[], size_t length, const std::string &label, size_t width)
Definition pem.cpp:19

References BER_encode(), and Botan::PEM_Code::encode().

Referenced by encode().

◆ signature()

MemoryVector< byte > Botan::X509_Object::signature ( ) const
inherited
Returns
signature on tbs_data()

Definition at line 132 of file x509_obj.cpp.

133 {
134 return sig;
135 }

References sig.

Referenced by check_signature().

◆ signature_algorithm()

AlgorithmIdentifier Botan::X509_Object::signature_algorithm ( ) const
inherited
Returns
signature algorithm that was used to generate signature

Definition at line 140 of file x509_obj.cpp.

141 {
142 return sig_algo;
143 }

References sig_algo.

Referenced by Botan::X509_Certificate::to_string().

◆ tbs_data()

MemoryVector< byte > Botan::X509_Object::tbs_data ( ) const
inherited

The underlying data that is to be or was signed

Returns
data that is or was signed

Definition at line 124 of file x509_obj.cpp.

125 {
127 }
SecureVector< byte > put_in_sequence(const MemoryRegion< byte > &contents)
Definition asn1_int.cpp:34

References Botan::ASN1::put_in_sequence(), and tbs_bits.

Referenced by check_signature().

◆ this_update()

X509_Time Botan::X509_CRL::this_update ( ) const

Get the CRL's thisUpdate value.

Returns
CRLs thisUpdate

Definition at line 134 of file x509_crl.cpp.

135 {
136 return info.get1("X509.CRL.start");
137 }

Referenced by Botan::Certificate_Store_Memory::add_crl(), and Botan::X509_Store::add_crl().

Member Data Documentation

◆ sig

MemoryVector<byte> Botan::X509_Object::sig
protectedinherited

Definition at line 102 of file x509_obj.h.

Referenced by BER_encode(), Botan::X509_Certificate::operator==(), and signature().

◆ sig_algo

AlgorithmIdentifier Botan::X509_Object::sig_algo
protectedinherited

◆ tbs_bits

MemoryVector<byte> Botan::X509_Object::tbs_bits
protectedinherited

Definition at line 102 of file x509_obj.h.

Referenced by BER_encode(), make_signed(), and tbs_data().


The documentation for this class was generated from the following files: