src: add x509.fingerprint512 to crypto module

PR-URL: #39809 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Filip Skokan <panva.ip@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
nodejs · Nov 10, 2021 · 79d6815 · 79d6815
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diff --git a/doc/api/crypto.md b/doc/api/crypto.md
@@ -2564,6 +2564,15 @@ added: v15.6.0
 
 The SHA-256 fingerprint of this certificate.
 
+### `x509.fingerprint512`
+<!-- YAML
+added: REPLACEME
+-->
+
+* Type: {string}
+
+The SHA-512 fingerprint of this certificate.
+
 ### `x509.infoAccess`
 
 <!-- YAML

diff --git a/doc/api/tls.md b/doc/api/tls.md
@@ -1133,6 +1133,9 @@ certificate.
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/39809
+    description: Add fingerprint512.
   - version: v11.4.0
     pr-url: https://github.com/nodejs/node/pull/24358
     description: Support Elliptic Curve public key info.
@@ -1158,6 +1161,9 @@ certificate.
 * `fingerprint256` {string} The SHA-256 digest of the DER encoded certificate.
   It is returned as a `:` separated hexadecimal string. Example:
   `'2A:7A:C2:DD:...'`.
+* `fingerprint512` {string} The SHA-512 digest of the DER encoded certificate.
+  It is returned as a `:` separated hexadecimal string. Example:
+  `'2A:7A:C2:DD:...'`.
 * `ext_key_usage` {Array} (Optional) The extended key usage, a set of OIDs.
 * `subjectaltname` {string} (Optional) A string containing concatenated names
   for the subject, an alternative to the `subject` names.
@@ -1216,6 +1222,7 @@ Example certificate:
   valid_to: 'Nov 20 23:59:59 2019 GMT',
   fingerprint: '01:02:59:D9:C3:D2:0D:08:F7:82:4E:44:A4:B4:53:C5:E2:3A:87:4D',
   fingerprint256: '69:AE:1A:6A:D4:3D:C6:C1:1B:EA:C6:23:DE:BA:2A:14:62:62:93:5C:7A:EA:06:41:9B:0B:BC:87:CE:48:4E:02',
+  fingerprint512: '19:2B:3E:C3:B3:5B:32:E8:AE:BB:78:97:27:E4:BA:6C:39:C9:92:79:4F:31:46:39:E2:70:E5:5F:89:42:17:C9:E8:64:CA:FF:BB:72:56:73:6E:28:8A:92:7E:A3:2A:15:8B:C2:E0:45:CA:C3:BC:EA:40:52:EC:CA:A2:68:CB:32',
   ext_key_usage: [ '1.3.6.1.5.5.7.3.1', '1.3.6.1.5.5.7.3.2' ],
   serialNumber: '66593D57F20CBC573E433381B5FEC280',
   raw: <Buffer ... > }

diff --git a/lib/internal/crypto/x509.js b/lib/internal/crypto/x509.js
@@ -133,6 +133,7 @@ class X509Certificate extends JSTransferable {
       validTo: this.validTo,
       fingerprint: this.fingerprint,
       fingerprint256: this.fingerprint256,
+      fingerprint512: this.fingerprint512,
       keyUsage: this.keyUsage,
       serialNumber: this.serialNumber,
     }, opts)}`;
@@ -233,6 +234,15 @@ class X509Certificate extends JSTransferable {
     return value;
   }
 
+  get fingerprint512() {
+    let value = this[kInternalState].get('fingerprint512');
+    if (value === undefined) {
+      value = this[kHandle].fingerprint512();
+      this[kInternalState].set('fingerprint512', value);
+    }
+    return value;
+  }
+
   get keyUsage() {
     let value = this[kInternalState].get('keyUsage');
     if (value === undefined) {

diff --git a/src/crypto/crypto_common.cc b/src/crypto/crypto_common.cc
@@ -1103,6 +1103,10 @@ MaybeLocal<Object> X509ToObject(Environment* env, X509* cert) {
                   info,
                   env->fingerprint256_string(),
                   GetFingerprintDigest(env, EVP_sha256(), cert)) ||
+      !Set<Value>(context,
+                  info,
+                  env->fingerprint512_string(),
+                  GetFingerprintDigest(env, EVP_sha512(), cert)) ||
       !Set<Value>(context,
                   info,
                   env->ext_key_usage_string(),

diff --git a/src/crypto/crypto_x509.cc b/src/crypto/crypto_x509.cc
@@ -68,6 +68,7 @@ Local<FunctionTemplate> X509Certificate::GetConstructorTemplate(
     env->SetProtoMethod(tmpl, "validFrom", ValidFrom);
     env->SetProtoMethod(tmpl, "fingerprint", Fingerprint);
     env->SetProtoMethod(tmpl, "fingerprint256", Fingerprint256);
+    env->SetProtoMethod(tmpl, "fingerprint512", Fingerprint512);
     env->SetProtoMethod(tmpl, "keyUsage", KeyUsage);
     env->SetProtoMethod(tmpl, "serialNumber", SerialNumber);
     env->SetProtoMethod(tmpl, "pem", Pem);
@@ -268,6 +269,15 @@ void X509Certificate::Fingerprint256(const FunctionCallbackInfo<Value>& args) {
     args.GetReturnValue().Set(ret);
 }
 
+void X509Certificate::Fingerprint512(const FunctionCallbackInfo<Value>& args) {
+  Environment* env = Environment::GetCurrent(args);
+  X509Certificate* cert;
+  ASSIGN_OR_RETURN_UNWRAP(&cert, args.Holder());
+  Local<Value> ret;
+  if (GetFingerprintDigest(env, EVP_sha512(), cert->get()).ToLocal(&ret))
+    args.GetReturnValue().Set(ret);
+}
+
 void X509Certificate::KeyUsage(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   X509Certificate* cert;

diff --git a/src/crypto/crypto_x509.h b/src/crypto/crypto_x509.h
@@ -81,6 +81,7 @@ class X509Certificate : public BaseObject {
   static void ValidTo(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Fingerprint(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Fingerprint256(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void Fingerprint512(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void KeyUsage(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void SerialNumber(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Raw(const v8::FunctionCallbackInfo<v8::Value>& args);

diff --git a/src/env.h b/src/env.h
@@ -256,6 +256,7 @@ constexpr size_t kFsStatsBufferLength =
   V(file_string, "file")                                                       \
   V(filename_string, "filename")                                               \
   V(fingerprint256_string, "fingerprint256")                                   \
+  V(fingerprint512_string, "fingerprint512")                                   \
   V(fingerprint_string, "fingerprint")                                         \
   V(flags_string, "flags")                                                     \
   V(flowlabel_string, "flowlabel")                                             \

diff --git a/test/parallel/test-crypto-x509.js b/test/parallel/test-crypto-x509.js
@@ -103,6 +103,12 @@ const der = Buffer.from(
     'B0:BE:46:49:B8:29:63:E0:6F:63:C8:8A:57:9C:3F:9B:72:C6:F5:89:E3:0D:' +
     '84:AC:5B:08:9A:20:89:B6:8F:D6'
   );
+  assert.strictEqual(
+    x509.fingerprint512,
+    'D0:05:01:82:2C:D8:09:BE:27:94:E7:83:F1:88:BC:7A:8B:D0:39:97:54:B6:' +
+    'D0:B4:46:5B:DE:13:5B:68:86:B6:F2:A8:95:22:D5:6E:8B:35:DA:89:29:CA:' +
+    'A3:06:C5:CE:43:C1:7F:2D:7E:5F:44:A5:EE:A3:CB:97:05:A3:E3:68'
+  );
   assert.strictEqual(x509.keyUsage, undefined);
   assert.strictEqual(x509.serialNumber, 'ECC9B856270DA9A8');
 
@@ -226,6 +232,11 @@ const der = Buffer.from(
     fingerprint256:
       'B0:BE:46:49:B8:29:63:E0:6F:63:C8:8A:57:9C:3F:9B:72:' +
       'C6:F5:89:E3:0D:84:AC:5B:08:9A:20:89:B6:8F:D6',
+    fingerprint512:
+      'D0:05:01:82:2C:D8:09:BE:27:94:E7:83:F1:88:BC:7A:8B:' +
+      'D0:39:97:54:B6:D0:B4:46:5B:DE:13:5B:68:86:B6:F2:A8:' +
+      '95:22:D5:6E:8B:35:DA:89:29:CA:A3:06:C5:CE:43:C1:7F:' +
+      '2D:7E:5F:44:A5:EE:A3:CB:97:05:A3:E3:68',
     serialNumber: 'ECC9B856270DA9A8'
   };
 

diff --git a/test/parallel/test-tls-peer-certificate.js b/test/parallel/test-tls-peer-certificate.js
@@ -69,6 +69,12 @@ connect({
     'B0:BE:46:49:B8:29:63:E0:6F:63:C8:8A:57:9C:3F:9B:72:C6:F5:89:E3:0D:84:AC:' +
     '5B:08:9A:20:89:B6:8F:D6'
   );
+  assert.strictEqual(
+    peerCert.fingerprint512,
+    'D0:05:01:82:2C:D8:09:BE:27:94:E7:83:F1:88:BC:7A:8B:D0:39:97:54:B6:' +
+    'D0:B4:46:5B:DE:13:5B:68:86:B6:F2:A8:95:22:D5:6E:8B:35:DA:89:29:CA:' +
+    'A3:06:C5:CE:43:C1:7F:2D:7E:5F:44:A5:EE:A3:CB:97:05:A3:E3:68'
+  );
 
   // SHA256 fingerprint of the public key
   assert.strictEqual(
@@ -119,6 +125,12 @@ connect({
     'AB:08:3C:40:C7:07:D7:D1:79:32:92:3B:96:52:D0:38:4C:22:ED:CD:23:51:D0:A1:' +
     '67:AA:33:A0:D5:26:5C:41'
   );
+  assert.strictEqual(
+    peerCert.fingerprint512,
+    '52:F4:86:64:69:0F:94:6F:78:DE:17:7A:5C:92:CA:0F:05:2E:6A:EE:4A:FF:8B:39:' +
+    'D6:5E:7A:B8:08:77:B3:80:FC:40:A1:F4:58:CC:7A:DF:BB:3D:38:F9:02:77:50:2B:' +
+    '9A:0B:FB:79:B4:BD:E9:F5:9C:44:C8:5D:D5:F0:E2:BC'
+  );
 
   assert.strictEqual(
     sha256(peerCert.pubkey).digest('hex'),