aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/cert/x509/x509self.cpp
diff options
context:
space:
mode:
authorlloyd <[email protected]>2014-01-10 03:41:59 +0000
committerlloyd <[email protected]>2014-01-10 03:41:59 +0000
commit6894dca64c04936d07048c0e8cbf7e25858548c3 (patch)
tree5d572bfde9fe667dab14e3f04b5285a85d8acd95 /src/lib/cert/x509/x509self.cpp
parent9efa3be92442afb3d0b69890a36c7f122df18eda (diff)
Move lib into src
Diffstat (limited to 'src/lib/cert/x509/x509self.cpp')
-rw-r--r--src/lib/cert/x509/x509self.cpp163
1 files changed, 163 insertions, 0 deletions
diff --git a/src/lib/cert/x509/x509self.cpp b/src/lib/cert/x509/x509self.cpp
new file mode 100644
index 000000000..c13772382
--- /dev/null
+++ b/src/lib/cert/x509/x509self.cpp
@@ -0,0 +1,163 @@
+/*
+* PKCS #10/Self Signed Cert Creation
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/x509self.h>
+#include <botan/x509_ext.h>
+#include <botan/x509_ca.h>
+#include <botan/der_enc.h>
+#include <botan/oids.h>
+#include <botan/pipe.h>
+#include <memory>
+
+namespace Botan {
+
+namespace {
+
+/*
+* Load information from the X509_Cert_Options
+*/
+void load_info(const X509_Cert_Options& opts, X509_DN& subject_dn,
+ AlternativeName& subject_alt)
+ {
+ subject_dn.add_attribute("X520.CommonName", opts.common_name);
+ subject_dn.add_attribute("X520.Country", opts.country);
+ subject_dn.add_attribute("X520.State", opts.state);
+ subject_dn.add_attribute("X520.Locality", opts.locality);
+ subject_dn.add_attribute("X520.Organization", opts.organization);
+ subject_dn.add_attribute("X520.OrganizationalUnit", opts.org_unit);
+ subject_dn.add_attribute("X520.SerialNumber", opts.serial_number);
+ subject_alt = AlternativeName(opts.email, opts.uri, opts.dns, opts.ip);
+ subject_alt.add_othername(OIDS::lookup("PKIX.XMPPAddr"),
+ opts.xmpp, UTF8_STRING);
+ }
+
+}
+
+namespace X509 {
+
+/*
+* Create a new self-signed X.509 certificate
+*/
+X509_Certificate create_self_signed_cert(const X509_Cert_Options& opts,
+ const Private_Key& key,
+ const std::string& hash_fn,
+ RandomNumberGenerator& rng)
+ {
+ AlgorithmIdentifier sig_algo;
+ X509_DN subject_dn;
+ AlternativeName subject_alt;
+
+ opts.sanity_check();
+
+ std::vector<byte> pub_key = X509::BER_encode(key);
+ std::unique_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
+ load_info(opts, subject_dn, subject_alt);
+
+ Key_Constraints constraints;
+ if(opts.is_CA)
+ constraints = Key_Constraints(KEY_CERT_SIGN | CRL_SIGN);
+ else
+ constraints = find_constraints(key, opts.constraints);
+
+ Extensions extensions;
+
+ extensions.add(
+ new Cert_Extension::Basic_Constraints(opts.is_CA, opts.path_limit),
+ true);
+
+ extensions.add(new Cert_Extension::Key_Usage(constraints), true);
+
+ extensions.add(new Cert_Extension::Subject_Key_ID(pub_key));
+
+ extensions.add(
+ new Cert_Extension::Subject_Alternative_Name(subject_alt));
+
+ extensions.add(
+ new Cert_Extension::Extended_Key_Usage(opts.ex_constraints));
+
+ return X509_CA::make_cert(signer.get(), rng, sig_algo, pub_key,
+ opts.start, opts.end,
+ subject_dn, subject_dn,
+ extensions);
+ }
+
+/*
+* Create a PKCS #10 certificate request
+*/
+PKCS10_Request create_cert_req(const X509_Cert_Options& opts,
+ const Private_Key& key,
+ const std::string& hash_fn,
+ RandomNumberGenerator& rng)
+ {
+ AlgorithmIdentifier sig_algo;
+ X509_DN subject_dn;
+ AlternativeName subject_alt;
+
+ opts.sanity_check();
+
+ std::vector<byte> pub_key = X509::BER_encode(key);
+ std::unique_ptr<PK_Signer> signer(choose_sig_format(key, hash_fn, sig_algo));
+ load_info(opts, subject_dn, subject_alt);
+
+ const size_t PKCS10_VERSION = 0;
+
+ Extensions extensions;
+
+ extensions.add(
+ new Cert_Extension::Basic_Constraints(opts.is_CA, opts.path_limit));
+ extensions.add(
+ new Cert_Extension::Key_Usage(
+ opts.is_CA ? Key_Constraints(KEY_CERT_SIGN | CRL_SIGN) :
+ find_constraints(key, opts.constraints)
+ )
+ );
+ extensions.add(
+ new Cert_Extension::Extended_Key_Usage(opts.ex_constraints));
+ extensions.add(
+ new Cert_Extension::Subject_Alternative_Name(subject_alt));
+
+ DER_Encoder tbs_req;
+
+ tbs_req.start_cons(SEQUENCE)
+ .encode(PKCS10_VERSION)
+ .encode(subject_dn)
+ .raw_bytes(pub_key)
+ .start_explicit(0);
+
+ if(opts.challenge != "")
+ {
+ ASN1_String challenge(opts.challenge, DIRECTORY_STRING);
+
+ tbs_req.encode(
+ Attribute("PKCS9.ChallengePassword",
+ DER_Encoder().encode(challenge).get_contents_unlocked()
+ )
+ );
+ }
+
+ tbs_req.encode(
+ Attribute("PKCS9.ExtensionRequest",
+ DER_Encoder()
+ .start_cons(SEQUENCE)
+ .encode(extensions)
+ .end_cons()
+ .get_contents_unlocked()
+ )
+ )
+ .end_explicit()
+ .end_cons();
+
+ const std::vector<byte> req =
+ X509_Object::make_signed(signer.get(), rng, sig_algo,
+ tbs_req.get_contents());
+
+ return PKCS10_Request(req);
+ }
+
+}
+
+}