src: add GetCurrentCipherName/Version to crypto_common

In preparation for use by the QUIC implementation.

PR-URL: #45912
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

src/crypto/crypto_common.cc

@@ -545,6 +545,16 @@ MaybeLocal<Value> GetKeyUsage(Environment* env, X509* cert) {
   return Undefined(env->isolate());
 }
 
+MaybeLocal<Value> GetCurrentCipherName(Environment* env,
+                                       const SSLPointer& ssl) {
+  return GetCipherName(env, SSL_get_current_cipher(ssl.get()));
+}
+
+MaybeLocal<Value> GetCurrentCipherVersion(Environment* env,
+                                          const SSLPointer& ssl) {
+  return GetCipherVersion(env, SSL_get_current_cipher(ssl.get()));
+}
+
 MaybeLocal<Value> GetFingerprintDigest(
     Environment* env,
     const EVP_MD* method,

src/crypto/crypto_common.h

@@ -111,6 +111,10 @@ v8::MaybeLocal<v8::Value> GetFingerprintDigest(
     X509* cert);
 
 v8::MaybeLocal<v8::Value> GetKeyUsage(Environment* env, X509* cert);
+v8::MaybeLocal<v8::Value> GetCurrentCipherName(Environment* env,
+                                               const SSLPointer& ssl);
+v8::MaybeLocal<v8::Value> GetCurrentCipherVersion(Environment* env,
+                                                  const SSLPointer& ssl);
 
 v8::MaybeLocal<v8::Value> GetSerialNumber(Environment* env, X509* cert);