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tls: Add publicKey to certificate information #1725

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tls: Add publicKey to certificate information #1725

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3 changes: 2 additions & 1 deletion doc/api/tls.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -725,7 +725,8 @@ Example:
valid_from: 'Nov 11 09:52:22 2009 GMT',
valid_to: 'Nov 6 09:52:22 2029 GMT',
fingerprint: '2A:7A:C2:DD:E5:F9:CC:53:72:35:99:7A:02:5A:71:38:52:EC:8A:DF',
serialNumber: 'B9B0D332A1AA5635' }
serialNumber: 'B9B0D332A1AA5635',
subjectPublicKeyInfo: < SPKI DER buffer > }

If the peer does not provide a certificate, it returns `null` or an empty
object.
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1 change: 1 addition & 0 deletions src/env.h
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Expand Up @@ -193,6 +193,7 @@ namespace node {
V(status_string, "status") \
V(stdio_string, "stdio") \
V(subject_string, "subject") \
V(subject_public_key_info_string, "subjectPublicKeyInfo") \
V(subjectaltname_string, "subjectaltname") \
V(sys_string, "sys") \
V(syscall_string, "syscall") \
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10 changes: 9 additions & 1 deletion src/node_crypto.cc
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Expand Up @@ -1217,9 +1217,17 @@ static Local<Object> X509ToObject(Environment* env, X509* cert) {

EVP_PKEY* pkey = X509_get_pubkey(cert);
RSA* rsa = nullptr;
if (pkey != nullptr)
if (pkey != nullptr) {
rsa = EVP_PKEY_get1_RSA(pkey);

int pkey_size = i2d_PUBKEY(pkey, nullptr);
Local<Object> pkey_buff = Buffer::New(env, pkey_size);
unsigned char* pkey_serialized = reinterpret_cast<unsigned char*>(
Buffer::Data(pkey_buff));
i2d_PUBKEY(pkey, &pkey_serialized);
info->Set(env->subject_public_key_info_string(), pkey_buff);
}

if (rsa != nullptr) {
BN_print(bio, rsa->n);
BIO_get_mem_ptr(bio, &mem);
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7 changes: 7 additions & 0 deletions test/parallel/test-tls-peer-certificate.js
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Expand Up @@ -19,6 +19,11 @@ var options = {
};
var verified = false;

var expectedBase64SubjectPublicKeyInfo = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCB' +
'iQKBgQC46zeFbysX7vHHmIH3COYiB34dOpEVR4rEb6ZZXfkeXoDe7NgZfBbOeqw6iavhr' +
'9SRmvFs8ankDCpr2DvY0X3uDdLKyrYNbhrfJxdYB5hhwdKVHGokZdOPH68b/ScMJcsGGg' +
'Mo7TTMRxx2MZLzESOOJ5BCv4p4BKYibSRCa43lhwIDAQAB';

var server = tls.createServer(options, function(cleartext) {
cleartext.end('World');
});
Expand All @@ -37,6 +42,8 @@ server.listen(common.PORT, function() {
common.debug(util.inspect(peerCert));
assert.equal(peerCert.subject.emailAddress, '[email protected]');
assert.equal(peerCert.serialNumber, '9A84ABCFB8A72AC0');
assert.equal(peerCert.subjectPublicKeyInfo.toString('base64'),
expectedBase64SubjectPublicKeyInfo);
assert.deepEqual(peerCert.infoAccess['OCSP - URI'],
[ 'http://ocsp.nodejs.org/' ]);

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