allow setting the public point encoding of a P11 ECC private key

See GH #2885 for further details

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lib/prov/pkcs11/p11_ecc_key.h b/src/lib/prov/pkcs11/p11_ecc_key.h
index e2fd35b1a..46e24439d 100644
--- a/src/lib/prov/pkcs11/p11_ecc_key.h
+++ b/src/lib/prov/pkcs11/p11_ecc_key.h
@@ -176,6 +176,16 @@ class BOTAN_PUBLIC_API(2,0) PKCS11_EC_PrivateKey : public virtual Private_Key,
          }
 
       /**
+       * Sets the public desired public point encoding of this private key, when it is passed to cryptoki functions.
+       * This could be either `PublicPointEncoding::Raw` or `PublicPointEncoding::Der`. By default this is set to `Der`,
+       * but some tokens might expect `Raw`-encoded public keys, e.g. when using this private key for key agreement.
+       */
+      void set_point_encoding(PublicPointEncoding point_encoding)
+         {
+         m_point_encoding = point_encoding;
+         }
+
+      /**
       * Gets the public_point
       * @note the public key must be set using `set_public_point`
       *       because it is not possible to infer the public key from a PKCS#11 EC private key