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ruby/ext/openssl/ossl_x509cert.c

1003 строки
24 KiB
C
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/*
* 'OpenSSL for Ruby' project
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* All rights reserved.
*/
/*
* This program is licensed under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#define NewX509(klass) \
TypedData_Wrap_Struct((klass), &ossl_x509_type, 0)
#define SetX509(obj, x509) do { \
if (!(x509)) { \
ossl_raise(rb_eRuntimeError, "CERT wasn't initialized!"); \
} \
RTYPEDDATA_DATA(obj) = (x509); \
} while (0)
#define GetX509(obj, x509) do { \
TypedData_Get_Struct((obj), X509, &ossl_x509_type, (x509)); \
if (!(x509)) { \
ossl_raise(rb_eRuntimeError, "CERT wasn't initialized!"); \
} \
} while (0)
/*
* Classes
*/
VALUE cX509Cert;
VALUE eX509CertError;
static void
ossl_x509_free(void *ptr)
{
X509_free(ptr);
}
static const rb_data_type_t ossl_x509_type = {
"OpenSSL/X509",
{
0, ossl_x509_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
/*
* Public
*/
VALUE
ossl_x509_new(X509 *x509)
{
X509 *new;
VALUE obj;
obj = NewX509(cX509Cert);
if (!x509) {
new = X509_new();
} else {
new = X509_dup(x509);
}
if (!new) {
ossl_raise(eX509CertError, NULL);
}
SetX509(obj, new);
return obj;
}
X509 *
GetX509CertPtr(VALUE obj)
{
X509 *x509;
GetX509(obj, x509);
return x509;
}
X509 *
DupX509CertPtr(VALUE obj)
{
X509 *x509;
GetX509(obj, x509);
X509_up_ref(x509);
return x509;
}
/*
* Private
*/
static VALUE
ossl_x509_alloc(VALUE klass)
{
X509 *x509;
VALUE obj;
obj = NewX509(klass);
x509 = X509_new();
if (!x509) ossl_raise(eX509CertError, NULL);
SetX509(obj, x509);
return obj;
}
/*
* call-seq:
* Certificate.new => cert
* Certificate.new(string) => cert
*/
static VALUE
ossl_x509_initialize(int argc, VALUE *argv, VALUE self)
{
BIO *in;
X509 *x509, *x509_orig = RTYPEDDATA_DATA(self);
VALUE arg;
rb_check_frozen(self);
if (rb_scan_args(argc, argv, "01", &arg) == 0) {
/* create just empty X509Cert */
return self;
}
arg = ossl_to_der_if_possible(arg);
in = ossl_obj2bio(&arg);
x509 = d2i_X509_bio(in, NULL);
if (!x509) {
OSSL_BIO_reset(in);
x509 = PEM_read_bio_X509(in, NULL, NULL, NULL);
}
BIO_free(in);
if (!x509)
ossl_raise(eX509CertError, "PEM_read_bio_X509");
RTYPEDDATA_DATA(self) = x509;
X509_free(x509_orig);
return self;
}
static VALUE
ossl_x509_copy(VALUE self, VALUE other)
{
X509 *a, *b, *x509;
rb_check_frozen(self);
if (self == other) return self;
GetX509(self, a);
GetX509(other, b);
x509 = X509_dup(b);
if (!x509) ossl_raise(eX509CertError, NULL);
DATA_PTR(self) = x509;
X509_free(a);
return self;
}
/*
* call-seq:
* cert.to_der => string
*/
static VALUE
ossl_x509_to_der(VALUE self)
{
X509 *x509;
VALUE str;
long len;
unsigned char *p;
GetX509(self, x509);
if ((len = i2d_X509(x509, NULL)) <= 0)
ossl_raise(eX509CertError, NULL);
str = rb_str_new(0, len);
p = (unsigned char *)RSTRING_PTR(str);
if (i2d_X509(x509, &p) <= 0)
ossl_raise(eX509CertError, NULL);
ossl_str_adjust(str, p);
return str;
}
/*
* call-seq:
* cert.to_pem => string
*/
static VALUE
ossl_x509_to_pem(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!PEM_write_bio_X509(out, x509)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
/*
* call-seq:
* cert.to_text => string
*/
static VALUE
ossl_x509_to_text(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!X509_print(out, x509)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
#if 0
/*
* Makes from X509 X509_REQuest
*/
static VALUE
ossl_x509_to_req(VALUE self)
{
X509 *x509;
X509_REQ *req;
VALUE obj;
GetX509(self, x509);
if (!(req = X509_to_X509_REQ(x509, NULL, EVP_md5()))) {
ossl_raise(eX509CertError, NULL);
}
obj = ossl_x509req_new(req);
X509_REQ_free(req);
return obj;
}
#endif
/*
* call-seq:
* cert.version => integer
*/
static VALUE
ossl_x509_get_version(VALUE self)
{
X509 *x509;
GetX509(self, x509);
return LONG2NUM(X509_get_version(x509));
}
/*
* call-seq:
* cert.version = integer => integer
*/
static VALUE
ossl_x509_set_version(VALUE self, VALUE version)
{
X509 *x509;
long ver;
if ((ver = NUM2LONG(version)) < 0) {
ossl_raise(eX509CertError, "version must be >= 0!");
}
GetX509(self, x509);
if (!X509_set_version(x509, ver)) {
ossl_raise(eX509CertError, NULL);
}
return version;
}
/*
* call-seq:
* cert.serial => integer
*/
static VALUE
ossl_x509_get_serial(VALUE self)
{
X509 *x509;
GetX509(self, x509);
return asn1integer_to_num(X509_get_serialNumber(x509));
}
/*
* call-seq:
* cert.serial = integer => integer
*/
static VALUE
ossl_x509_set_serial(VALUE self, VALUE num)
{
X509 *x509;
GetX509(self, x509);
X509_set_serialNumber(x509, num_to_asn1integer(num, X509_get_serialNumber(x509)));
return num;
}
/*
* call-seq:
* cert.signature_algorithm => string
*/
static VALUE
ossl_x509_get_signature_algorithm(VALUE self)
{
X509 *x509;
BIO *out;
VALUE str;
GetX509(self, x509);
out = BIO_new(BIO_s_mem());
if (!out) ossl_raise(eX509CertError, NULL);
if (!i2a_ASN1_OBJECT(out, X509_get0_tbs_sigalg(x509)->algorithm)) {
BIO_free(out);
ossl_raise(eX509CertError, NULL);
}
str = ossl_membio2str(out);
return str;
}
/*
* call-seq:
* cert.subject => name
*/
static VALUE
ossl_x509_get_subject(VALUE self)
{
X509 *x509;
X509_NAME *name;
GetX509(self, x509);
if (!(name = X509_get_subject_name(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return ossl_x509name_new(name);
}
/*
* call-seq:
* cert.subject = name => name
*/
static VALUE
ossl_x509_set_subject(VALUE self, VALUE subject)
{
X509 *x509;
GetX509(self, x509);
if (!X509_set_subject_name(x509, GetX509NamePtr(subject))) { /* DUPs name */
ossl_raise(eX509CertError, NULL);
}
return subject;
}
/*
* call-seq:
* cert.issuer => name
*/
static VALUE
ossl_x509_get_issuer(VALUE self)
{
X509 *x509;
X509_NAME *name;
GetX509(self, x509);
if(!(name = X509_get_issuer_name(x509))) { /* NO DUP - don't free! */
ossl_raise(eX509CertError, NULL);
}
return ossl_x509name_new(name);
}
/*
* call-seq:
* cert.issuer = name => name
*/
static VALUE
ossl_x509_set_issuer(VALUE self, VALUE issuer)
{
X509 *x509;
GetX509(self, x509);
if (!X509_set_issuer_name(x509, GetX509NamePtr(issuer))) { /* DUPs name */
ossl_raise(eX509CertError, NULL);
}
return issuer;
}
/*
* call-seq:
* cert.not_before => time
*/
static VALUE
ossl_x509_get_not_before(VALUE self)
{
X509 *x509;
const ASN1_TIME *asn1time;
GetX509(self, x509);
if (!(asn1time = X509_get0_notBefore(x509))) {
ossl_raise(eX509CertError, NULL);
}
return asn1time_to_time(asn1time);
}
/*
* call-seq:
* cert.not_before = time => time
*/
static VALUE
ossl_x509_set_not_before(VALUE self, VALUE time)
{
X509 *x509;
ASN1_TIME *asn1time;
GetX509(self, x509);
asn1time = ossl_x509_time_adjust(NULL, time);
if (!X509_set1_notBefore(x509, asn1time)) {
ASN1_TIME_free(asn1time);
ossl_raise(eX509CertError, "X509_set_notBefore");
}
ASN1_TIME_free(asn1time);
return time;
}
/*
* call-seq:
* cert.not_after => time
*/
static VALUE
ossl_x509_get_not_after(VALUE self)
{
X509 *x509;
const ASN1_TIME *asn1time;
GetX509(self, x509);
if (!(asn1time = X509_get0_notAfter(x509))) {
ossl_raise(eX509CertError, NULL);
}
return asn1time_to_time(asn1time);
}
/*
* call-seq:
* cert.not_after = time => time
*/
static VALUE
ossl_x509_set_not_after(VALUE self, VALUE time)
{
X509 *x509;
ASN1_TIME *asn1time;
GetX509(self, x509);
asn1time = ossl_x509_time_adjust(NULL, time);
if (!X509_set1_notAfter(x509, asn1time)) {
ASN1_TIME_free(asn1time);
ossl_raise(eX509CertError, "X509_set_notAfter");
}
ASN1_TIME_free(asn1time);
return time;
}
/*
* call-seq:
* cert.public_key => key
*/
static VALUE
ossl_x509_get_public_key(VALUE self)
{
X509 *x509;
EVP_PKEY *pkey;
GetX509(self, x509);
if (!(pkey = X509_get_pubkey(x509))) { /* adds an reference */
ossl_raise(eX509CertError, NULL);
}
return ossl_pkey_new(pkey); /* NO DUP - OK */
}
/*
* call-seq:
* cert.public_key = key
*/
static VALUE
ossl_x509_set_public_key(VALUE self, VALUE key)
{
X509 *x509;
EVP_PKEY *pkey;
GetX509(self, x509);
pkey = GetPKeyPtr(key);
ossl_pkey_check_public_key(pkey);
if (!X509_set_pubkey(x509, pkey))
ossl_raise(eX509CertError, "X509_set_pubkey");
return key;
}
/*
* call-seq:
* cert.sign(key, digest) => self
*/
static VALUE
ossl_x509_sign(VALUE self, VALUE key, VALUE digest)
{
X509 *x509;
EVP_PKEY *pkey;
const EVP_MD *md;
pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
md = ossl_evp_get_digestbyname(digest);
GetX509(self, x509);
if (!X509_sign(x509, pkey, md)) {
ossl_raise(eX509CertError, NULL);
}
return self;
}
/*
* call-seq:
* cert.verify(key) => true | false
*
* Verifies the signature of the certificate, with the public key _key_. _key_
* must be an instance of OpenSSL::PKey.
*/
static VALUE
ossl_x509_verify(VALUE self, VALUE key)
{
X509 *x509;
EVP_PKEY *pkey;
GetX509(self, x509);
pkey = GetPKeyPtr(key);
ossl_pkey_check_public_key(pkey);
switch (X509_verify(x509, pkey)) {
case 1:
return Qtrue;
case 0:
ossl_clear_error();
return Qfalse;
default:
ossl_raise(eX509CertError, NULL);
}
}
/*
* call-seq:
* cert.check_private_key(key) -> true | false
*
* Returns +true+ if _key_ is the corresponding private key to the Subject
* Public Key Information, +false+ otherwise.
*/
static VALUE
ossl_x509_check_private_key(VALUE self, VALUE key)
{
X509 *x509;
EVP_PKEY *pkey;
/* not needed private key, but should be */
pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
GetX509(self, x509);
if (!X509_check_private_key(x509, pkey)) {
ossl_clear_error();
return Qfalse;
}
return Qtrue;
}
/*
* call-seq:
* cert.extensions => [extension...]
*/
static VALUE
ossl_x509_get_extensions(VALUE self)
{
X509 *x509;
int count, i;
X509_EXTENSION *ext;
VALUE ary;
GetX509(self, x509);
count = X509_get_ext_count(x509);
if (count < 0) {
return rb_ary_new();
}
ary = rb_ary_new2(count);
for (i=0; i<count; i++) {
ext = X509_get_ext(x509, i); /* NO DUP - don't free! */
rb_ary_push(ary, ossl_x509ext_new(ext));
}
return ary;
}
/*
* call-seq:
* cert.extensions = [ext...] => [ext...]
*/
static VALUE
ossl_x509_set_extensions(VALUE self, VALUE ary)
{
X509 *x509;
X509_EXTENSION *ext;
long i;
Check_Type(ary, T_ARRAY);
/* All ary's members should be X509Extension */
for (i=0; i<RARRAY_LEN(ary); i++) {
OSSL_Check_Kind(RARRAY_AREF(ary, i), cX509Ext);
}
GetX509(self, x509);
for (i = X509_get_ext_count(x509); i > 0; i--)
X509_EXTENSION_free(X509_delete_ext(x509, 0));
for (i=0; i<RARRAY_LEN(ary); i++) {
ext = GetX509ExtPtr(RARRAY_AREF(ary, i));
if (!X509_add_ext(x509, ext, -1)) { /* DUPs ext */
ossl_raise(eX509CertError, "X509_add_ext");
}
}
return ary;
}
/*
* call-seq:
* cert.add_extension(extension) => extension
*/
static VALUE
ossl_x509_add_extension(VALUE self, VALUE extension)
{
X509 *x509;
X509_EXTENSION *ext;
GetX509(self, x509);
ext = GetX509ExtPtr(extension);
if (!X509_add_ext(x509, ext, -1)) { /* DUPs ext - FREE it */
ossl_raise(eX509CertError, NULL);
}
return extension;
}
static VALUE
ossl_x509_inspect(VALUE self)
{
return rb_sprintf("#<%"PRIsVALUE": subject=%+"PRIsVALUE", "
"issuer=%+"PRIsVALUE", serial=%+"PRIsVALUE", "
"not_before=%+"PRIsVALUE", not_after=%+"PRIsVALUE">",
rb_obj_class(self),
ossl_x509_get_subject(self),
ossl_x509_get_issuer(self),
ossl_x509_get_serial(self),
ossl_x509_get_not_before(self),
ossl_x509_get_not_after(self));
}
/*
* call-seq:
* cert1 == cert2 -> true | false
*
* Compares the two certificates. Note that this takes into account all fields,
* not just the issuer name and the serial number.
*/
static VALUE
ossl_x509_eq(VALUE self, VALUE other)
{
X509 *a, *b;
GetX509(self, a);
if (!rb_obj_is_kind_of(other, cX509Cert))
return Qfalse;
GetX509(other, b);
return !X509_cmp(a, b) ? Qtrue : Qfalse;
}
struct load_chained_certificates_arguments {
VALUE certificates;
X509 *certificate;
};
static VALUE
load_chained_certificates_append_push(VALUE _arguments) {
struct load_chained_certificates_arguments *arguments = (struct load_chained_certificates_arguments*)_arguments;
if (arguments->certificates == Qnil) {
arguments->certificates = rb_ary_new();
}
rb_ary_push(arguments->certificates, ossl_x509_new(arguments->certificate));
return Qnil;
}
static VALUE
load_chained_certificate_append_ensure(VALUE _arguments) {
struct load_chained_certificates_arguments *arguments = (struct load_chained_certificates_arguments*)_arguments;
X509_free(arguments->certificate);
return Qnil;
}
inline static VALUE
load_chained_certificates_append(VALUE certificates, X509 *certificate) {
struct load_chained_certificates_arguments arguments;
arguments.certificates = certificates;
arguments.certificate = certificate;
rb_ensure(load_chained_certificates_append_push, (VALUE)&arguments, load_chained_certificate_append_ensure, (VALUE)&arguments);
return arguments.certificates;
}
static VALUE
load_chained_certificates_PEM(BIO *in) {
VALUE certificates = Qnil;
X509 *certificate = PEM_read_bio_X509(in, NULL, NULL, NULL);
/* If we cannot read even one certificate: */
if (certificate == NULL) {
/* If we cannot read one certificate because we could not read the PEM encoding: */
if (ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) {
ossl_clear_error();
}
if (ERR_peek_last_error())
ossl_raise(eX509CertError, NULL);
else
return Qnil;
}
certificates = load_chained_certificates_append(Qnil, certificate);
while ((certificate = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
load_chained_certificates_append(certificates, certificate);
}
/* We tried to read one more certificate but could not read start line: */
if (ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) {
/* This is not an error, it means we are finished: */
ossl_clear_error();
return certificates;
}
/* Alternatively, if we reached the end of the file and there was no error: */
if (BIO_eof(in) && !ERR_peek_last_error()) {
return certificates;
} else {
/* Otherwise, we tried to read a certificate but failed somewhere: */
ossl_raise(eX509CertError, NULL);
}
}
static VALUE
load_chained_certificates_DER(BIO *in) {
X509 *certificate = d2i_X509_bio(in, NULL);
/* If we cannot read one certificate: */
if (certificate == NULL) {
/* Ignore error. We could not load. */
ossl_clear_error();
return Qnil;
}
return load_chained_certificates_append(Qnil, certificate);
}
static VALUE
load_chained_certificates(VALUE _io) {
BIO *in = (BIO*)_io;
VALUE certificates = Qnil;
/*
DER is a binary format and it may contain octets within it that look like
PEM encoded certificates. So we need to check DER first.
*/
certificates = load_chained_certificates_DER(in);
if (certificates != Qnil)
return certificates;
OSSL_BIO_reset(in);
certificates = load_chained_certificates_PEM(in);
if (certificates != Qnil)
return certificates;
/* Otherwise we couldn't read the output correctly so fail: */
ossl_raise(eX509CertError, "Could not detect format of certificate data!");
}
static VALUE
load_chained_certificates_ensure(VALUE _io) {
BIO *in = (BIO*)_io;
BIO_free(in);
return Qnil;
}
/*
* call-seq:
* OpenSSL::X509::Certificate.load(string) -> [certs...]
* OpenSSL::X509::Certificate.load(file) -> [certs...]
*
* Read the chained certificates from the given input. Supports both PEM
* and DER encoded certificates.
*
* PEM is a text format and supports more than one certificate.
*
* DER is a binary format and only supports one certificate.
*
* If the file is empty, or contains only unrelated data, an
* +OpenSSL::X509::CertificateError+ exception will be raised.
*/
static VALUE
ossl_x509_load(VALUE klass, VALUE buffer)
{
BIO *in = ossl_obj2bio(&buffer);
return rb_ensure(load_chained_certificates, (VALUE)in, load_chained_certificates_ensure, (VALUE)in);
}
/*
* INIT
*/
void
Init_ossl_x509cert(void)
{
#if 0
mOSSL = rb_define_module("OpenSSL");
eOSSLError = rb_define_class_under(mOSSL, "OpenSSLError", rb_eStandardError);
mX509 = rb_define_module_under(mOSSL, "X509");
#endif
eX509CertError = rb_define_class_under(mX509, "CertificateError", eOSSLError);
/* Document-class: OpenSSL::X509::Certificate
*
* Implementation of an X.509 certificate as specified in RFC 5280.
* Provides access to a certificate's attributes and allows certificates
* to be read from a string, but also supports the creation of new
* certificates from scratch.
*
* === Reading a certificate from a file
*
* Certificate is capable of handling DER-encoded certificates and
* certificates encoded in OpenSSL's PEM format.
*
* raw = File.binread "cert.cer" # DER- or PEM-encoded
* certificate = OpenSSL::X509::Certificate.new raw
*
* === Saving a certificate to a file
*
* A certificate may be encoded in DER format
*
* cert = ...
* File.open("cert.cer", "wb") { |f| f.print cert.to_der }
*
* or in PEM format
*
* cert = ...
* File.open("cert.pem", "wb") { |f| f.print cert.to_pem }
*
* X.509 certificates are associated with a private/public key pair,
* typically a RSA, DSA or ECC key (see also OpenSSL::PKey::RSA,
* OpenSSL::PKey::DSA and OpenSSL::PKey::EC), the public key itself is
* stored within the certificate and can be accessed in form of an
* OpenSSL::PKey. Certificates are typically used to be able to associate
* some form of identity with a key pair, for example web servers serving
* pages over HTTPs use certificates to authenticate themselves to the user.
*
* The public key infrastructure (PKI) model relies on trusted certificate
* authorities ("root CAs") that issue these certificates, so that end
* users need to base their trust just on a selected few authorities
* that themselves again vouch for subordinate CAs issuing their
* certificates to end users.
*
* The OpenSSL::X509 module provides the tools to set up an independent
* PKI, similar to scenarios where the 'openssl' command line tool is
* used for issuing certificates in a private PKI.
*
* === Creating a root CA certificate and an end-entity certificate
*
* First, we need to create a "self-signed" root certificate. To do so,
* we need to generate a key first. Please note that the choice of "1"
* as a serial number is considered a security flaw for real certificates.
* Secure choices are integers in the two-digit byte range and ideally
* not sequential but secure random numbers, steps omitted here to keep
* the example concise.
*
* root_key = OpenSSL::PKey::RSA.new 2048 # the CA's public/private key
* root_ca = OpenSSL::X509::Certificate.new
* root_ca.version = 2 # cf. RFC 5280 - to make it a "v3" certificate
* root_ca.serial = 1
* root_ca.subject = OpenSSL::X509::Name.parse "/DC=org/DC=ruby-lang/CN=Ruby CA"
* root_ca.issuer = root_ca.subject # root CA's are "self-signed"
* root_ca.public_key = root_key.public_key
* root_ca.not_before = Time.now
* root_ca.not_after = root_ca.not_before + 2 * 365 * 24 * 60 * 60 # 2 years validity
* ef = OpenSSL::X509::ExtensionFactory.new
* ef.subject_certificate = root_ca
* ef.issuer_certificate = root_ca
* root_ca.add_extension(ef.create_extension("basicConstraints","CA:TRUE",true))
* root_ca.add_extension(ef.create_extension("keyUsage","keyCertSign, cRLSign", true))
* root_ca.add_extension(ef.create_extension("subjectKeyIdentifier","hash",false))
* root_ca.add_extension(ef.create_extension("authorityKeyIdentifier","keyid:always",false))
* root_ca.sign(root_key, OpenSSL::Digest.new('SHA256'))
*
* The next step is to create the end-entity certificate using the root CA
* certificate.
*
* key = OpenSSL::PKey::RSA.new 2048
* cert = OpenSSL::X509::Certificate.new
* cert.version = 2
* cert.serial = 2
* cert.subject = OpenSSL::X509::Name.parse "/DC=org/DC=ruby-lang/CN=Ruby certificate"
* cert.issuer = root_ca.subject # root CA is the issuer
* cert.public_key = key.public_key
* cert.not_before = Time.now
* cert.not_after = cert.not_before + 1 * 365 * 24 * 60 * 60 # 1 years validity
* ef = OpenSSL::X509::ExtensionFactory.new
* ef.subject_certificate = cert
* ef.issuer_certificate = root_ca
* cert.add_extension(ef.create_extension("keyUsage","digitalSignature", true))
* cert.add_extension(ef.create_extension("subjectKeyIdentifier","hash",false))
* cert.sign(root_key, OpenSSL::Digest.new('SHA256'))
*
*/
cX509Cert = rb_define_class_under(mX509, "Certificate", rb_cObject);
rb_define_singleton_method(cX509Cert, "load", ossl_x509_load, 1);
rb_define_alloc_func(cX509Cert, ossl_x509_alloc);
rb_define_method(cX509Cert, "initialize", ossl_x509_initialize, -1);
rb_define_method(cX509Cert, "initialize_copy", ossl_x509_copy, 1);
rb_define_method(cX509Cert, "to_der", ossl_x509_to_der, 0);
rb_define_method(cX509Cert, "to_pem", ossl_x509_to_pem, 0);
rb_define_alias(cX509Cert, "to_s", "to_pem");
rb_define_method(cX509Cert, "to_text", ossl_x509_to_text, 0);
rb_define_method(cX509Cert, "version", ossl_x509_get_version, 0);
rb_define_method(cX509Cert, "version=", ossl_x509_set_version, 1);
rb_define_method(cX509Cert, "signature_algorithm", ossl_x509_get_signature_algorithm, 0);
rb_define_method(cX509Cert, "serial", ossl_x509_get_serial, 0);
rb_define_method(cX509Cert, "serial=", ossl_x509_set_serial, 1);
rb_define_method(cX509Cert, "subject", ossl_x509_get_subject, 0);
rb_define_method(cX509Cert, "subject=", ossl_x509_set_subject, 1);
rb_define_method(cX509Cert, "issuer", ossl_x509_get_issuer, 0);
rb_define_method(cX509Cert, "issuer=", ossl_x509_set_issuer, 1);
rb_define_method(cX509Cert, "not_before", ossl_x509_get_not_before, 0);
rb_define_method(cX509Cert, "not_before=", ossl_x509_set_not_before, 1);
rb_define_method(cX509Cert, "not_after", ossl_x509_get_not_after, 0);
rb_define_method(cX509Cert, "not_after=", ossl_x509_set_not_after, 1);
rb_define_method(cX509Cert, "public_key", ossl_x509_get_public_key, 0);
rb_define_method(cX509Cert, "public_key=", ossl_x509_set_public_key, 1);
rb_define_method(cX509Cert, "sign", ossl_x509_sign, 2);
rb_define_method(cX509Cert, "verify", ossl_x509_verify, 1);
rb_define_method(cX509Cert, "check_private_key", ossl_x509_check_private_key, 1);
rb_define_method(cX509Cert, "extensions", ossl_x509_get_extensions, 0);
rb_define_method(cX509Cert, "extensions=", ossl_x509_set_extensions, 1);
rb_define_method(cX509Cert, "add_extension", ossl_x509_add_extension, 1);
rb_define_method(cX509Cert, "inspect", ossl_x509_inspect, 0);
rb_define_method(cX509Cert, "==", ossl_x509_eq, 1);
}
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