QSslEllipticCurve: add fromLongName

Since the conversion to a long name was already there, also support
creation from a long name.

Change-Id: Iad712db7447fb0a0a18f600b7db54da5b5b87154
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/src/network/ssl/qsslellipticcurve_openssl.cpp b/src/network/ssl/qsslellipticcurve_openssl.cpp
index d8d1307b2e..e8f6cfee9e 100644
--- a/src/network/ssl/qsslellipticcurve_openssl.cpp
+++ b/src/network/ssl/qsslellipticcurve_openssl.cpp
@@ -103,6 +103,26 @@ QSslEllipticCurve QSslEllipticCurve::fromShortName(const QString &name)
     return result;
 }
 
+QSslEllipticCurve QSslEllipticCurve::fromLongName(const QString &name)
+{
+    if (name.isEmpty())
+        return QSslEllipticCurve();
+
+    QSslSocketPrivate::ensureInitialized();
+
+    QSslEllipticCurve result;
+
+#ifndef OPENSSL_NO_EC
+    const QByteArray curveNameLatin1 = name.toLatin1();
+
+    int nid = q_OBJ_ln2nid(curveNameLatin1.data());
+    result.id = nid;
+#endif
+
+    return result;
+}
+
+
 // The brainpool curve NIDs (RFC 7027) have been introduced in OpenSSL 1.0.2,
 // redefine them here to make Qt compile with previous versions of OpenSSL
 // (yet correctly recognize them as TLS named curves).