Add final attribute to many classes

In some cases this can offer better optimization, via devirtualization.
And it lets the user know the class is not intended for derivation.

Some discussion in GH #402

1 files changed, 6 insertions, 6 deletions

diff --git a/src/lib/math/ec_gfp/curve_gfp.cpp b/src/lib/math/ec_gfp/curve_gfp.cpp
index 96fe873af..66614c5c5 100644
--- a/src/lib/math/ec_gfp/curve_gfp.cpp
+++ b/src/lib/math/ec_gfp/curve_gfp.cpp
@@ -14,7 +14,7 @@ namespace Botan {
 
 namespace {
 
-class CurveGFp_Montgomery : public CurveGFp_Repr
+class CurveGFp_Montgomery final : public CurveGFp_Repr
    {
    public:
       CurveGFp_Montgomery(const BigInt& p, const BigInt& a, const BigInt& b) :
@@ -203,7 +203,7 @@ void CurveGFp_NIST::curve_sqr(BigInt& z, const BigInt& x,
 /**
 * The NIST P-192 curve
 */
-class CurveGFp_P192 : public CurveGFp_NIST
+class CurveGFp_P192 final : public CurveGFp_NIST
    {
    public:
       CurveGFp_P192(const BigInt& a, const BigInt& b) : CurveGFp_NIST(192, a, b) {}
@@ -215,7 +215,7 @@ class CurveGFp_P192 : public CurveGFp_NIST
 /**
 * The NIST P-224 curve
 */
-class CurveGFp_P224 : public CurveGFp_NIST
+class CurveGFp_P224 final : public CurveGFp_NIST
    {
    public:
       CurveGFp_P224(const BigInt& a, const BigInt& b) : CurveGFp_NIST(224, a, b) {}
@@ -227,7 +227,7 @@ class CurveGFp_P224 : public CurveGFp_NIST
 /**
 * The NIST P-256 curve
 */
-class CurveGFp_P256 : public CurveGFp_NIST
+class CurveGFp_P256 final : public CurveGFp_NIST
    {
    public:
       CurveGFp_P256(const BigInt& a, const BigInt& b) : CurveGFp_NIST(256, a, b) {}
@@ -239,7 +239,7 @@ class CurveGFp_P256 : public CurveGFp_NIST
 /**
 * The NIST P-384 curve
 */
-class CurveGFp_P384 : public CurveGFp_NIST
+class CurveGFp_P384 final : public CurveGFp_NIST
    {
    public:
       CurveGFp_P384(const BigInt& a, const BigInt& b) : CurveGFp_NIST(384, a, b) {}
@@ -253,7 +253,7 @@ class CurveGFp_P384 : public CurveGFp_NIST
 /**
 * The NIST P-521 curve
 */
-class CurveGFp_P521 : public CurveGFp_NIST
+class CurveGFp_P521 final : public CurveGFp_NIST
    {
    public:
       CurveGFp_P521(const BigInt& a, const BigInt& b) : CurveGFp_NIST(521, a, b) {}