[HICN-580] Improve memory usage in signer and verifier

This patch reduces the amount of memory used by the signer and
verifier classes.

It also removes some logs from VPP collectd plugins.

Change-Id: I3dac7b9104b5586ac22dee60f506bee51ece2cbe
Signed-off-by: Olivier Roques <oroques+fdio@cisco.com>

2 files changed, 2 insertions, 16 deletions

diff --git a/libtransport/includes/hicn/transport/security/signer.h b/libtransport/includes/hicn/transport/security/signer.h
index 31b21462b..45bcdb516 100644
--- a/libtransport/includes/hicn/transport/security/signer.h
+++ b/libtransport/includes/hicn/transport/security/signer.h
@@ -76,15 +76,10 @@ class Signer {
   PARCKeyStore *getKeyStore();
 
  private:
-  PARCBufferComposer *composer_ = nullptr;
-  PARCBuffer *key_buffer_ = nullptr;
-  PARCSymmetricKeyStore *symmetricKeyStore_ = nullptr;
+  CryptoSuite suite_;
   PARCSigner *signer_ = nullptr;
-  PARCSignature *signature_ = nullptr;
   PARCKeyId *key_id_ = nullptr;
-  CryptoSuite suite_;
   size_t signature_length_;
-  static uint8_t zeros[200];
 };
 
 }  // namespace utils
diff --git a/libtransport/includes/hicn/transport/security/verifier.h b/libtransport/includes/hicn/transport/security/verifier.h
index 7ec6e7eda..838868427 100644
--- a/libtransport/includes/hicn/transport/security/verifier.h
+++ b/libtransport/includes/hicn/transport/security/verifier.h
@@ -84,20 +84,11 @@ class Verifier {
    */
   int verify(const Packet &packet);
 
-  CryptoHash getPacketHash(const Packet &packet,
-                           std::shared_ptr<CryptoHasher> hasher);
+  CryptoHash getPacketHash(const Packet &packet, CryptoHasher &hasher);
 
  private:
   PARCVerifier *verifier_ = nullptr;
-  PARCCertificateFactory *factory_ = nullptr;
-  PARCCertificate *certificate_ = nullptr;
-  PARCKeyId *keyId_ = nullptr;
-  PARCKey *key_ = nullptr;
-  PARCBuffer *key_buffer_ = nullptr;
-  PARCSymmetricKeyStore *symmetricKeyStore_ = nullptr;
   PARCSigner *signer_ = nullptr;
-  PARCBufferComposer *composer_ = nullptr;
-  static uint8_t zeros[200];
 };
 
 }  // namespace utils