Change T::provider to return std::string

3 files changed, 3 insertions, 4 deletions

diff --git a/src/lib/modes/aead/gcm/gcm.cpp b/src/lib/modes/aead/gcm/gcm.cpp
index 590c0d0ce..e4a07af82 100644
--- a/src/lib/modes/aead/gcm/gcm.cpp
+++ b/src/lib/modes/aead/gcm/gcm.cpp
@@ -185,7 +185,7 @@ std::string GCM_Mode::name() const
    return (m_cipher_name + "/GCM");
    }
 
-const char* GCM_Mode::provider() const
+std::string GCM_Mode::provider() const
    {
 #if defined(BOTAN_HAS_GCM_CLMUL)
    if(CPUID::has_clmul())
diff --git a/src/lib/modes/aead/gcm/gcm.h b/src/lib/modes/aead/gcm/gcm.h
index f0176f36a..3c8bdea3f 100644
--- a/src/lib/modes/aead/gcm/gcm.h
+++ b/src/lib/modes/aead/gcm/gcm.h
@@ -37,7 +37,7 @@ class BOTAN_DLL GCM_Mode : public AEAD_Mode
 
       void clear() override;
 
-      const char* provider() const override;
+      std::string provider() const override;
    protected:
       GCM_Mode(BlockCipher* cipher, size_t tag_size);
 
diff --git a/src/lib/modes/cipher_mode.h b/src/lib/modes/cipher_mode.h
index fa4c0aa8d..e98f014b7 100644
--- a/src/lib/modes/cipher_mode.h
+++ b/src/lib/modes/cipher_mode.h
@@ -169,9 +169,8 @@ class BOTAN_DLL Cipher_Mode
       /**
       * @return provider information about this implementation. Default is "base",
       * might also return "sse2", "avx2", "openssl", or some other arbitrary string.
-      * The return value is guaranteed to point to a string literal constant.
       */
-      virtual const char* provider() const { return "base"; }
+      virtual std::string provider() const { return "base"; }
 
    private:
       virtual void key_schedule(const byte key[], size_t length) = 0;