[Patch] NetworkPkg/IpSecDxe: correct one comment and remove the unused buf

[Jiaxin Wu <jiaxin.wu@intel.com>]

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
---
 NetworkPkg/IpSecDxe/Ikev2/Payload.c | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/NetworkPkg/IpSecDxe/Ikev2/Payload.c b/NetworkPkg/IpSecDxe/Ikev2/Payload.c
index 675ecf6..f32b3a8 100644
--- a/NetworkPkg/IpSecDxe/Ikev2/Payload.c
+++ b/NetworkPkg/IpSecDxe/Ikev2/Payload.c
@@ -655,11 +655,10 @@ Ikev2CertGenerateAuthPayload (
   )
 {
   UINT8              *Digest;
   UINTN              DigestSize;
   PRF_DATA_FRAGMENT  Fragments[3];
-  UINT8              *KeyBuf;
   IKE_PAYLOAD        *AuthPayload;
   IKEV2_AUTH         *PayloadBuf;
   EFI_STATUS         Status;
   UINT8              *Signature;
   UINTN              SigSize;
@@ -680,11 +679,10 @@ Ikev2CertGenerateAuthPayload (
   //    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   //
   //
   // Initial point
   //
-  KeyBuf      = NULL;
   AuthPayload = NULL;
   Digest      = NULL;
   Signature   = NULL;
   SigSize     = 0;
 
@@ -696,21 +694,10 @@ Ikev2CertGenerateAuthPayload (
   if (Digest == NULL) {
     return NULL;
   }
 
   //
-  // Store the AuthKey into KeyBuf
-  //
-  KeyBuf  = AllocateZeroPool (DigestSize);
-  if (KeyBuf == NULL) {
-    Status = EFI_OUT_OF_RESOURCES;
-    goto EXIT;
-  }
-  
-  CopyMem (KeyBuf, Digest, DigestSize);
-
-  //
   // Calculate Prf(SK_Pi/r, IDi/r)
   //
   Fragments[0].Data     = IdPayload->PayloadBuf + sizeof (IKEV2_COMMON_PAYLOAD_HEADER);
   Fragments[0].DataSize = IdPayload->PayloadSize - sizeof (IKEV2_COMMON_PAYLOAD_HEADER);
 
@@ -861,13 +848,10 @@ Ikev2CertGenerateAuthPayload (
   //
   AuthPayload->PayloadBuf   = (UINT8 *) PayloadBuf;
   AuthPayload->PayloadType  = IKEV2_PAYLOAD_TYPE_AUTH;
 
 EXIT:
-  if (KeyBuf != NULL) {
-    FreePool (KeyBuf);
-  }
   if (Digest != NULL) {
     FreePool (Digest);
   }
   if (Signature != NULL) {
     FreePool (Signature);
@@ -1490,11 +1474,11 @@ Ikev2ParserNotifyCookiePayload (
   @param[in]  CertificateLen    The length of Certificate in byte.
   @param[in]  EncodeType        Specified the Certificate Encodeing which is defined
                                 in RFC 4306.
   @param[in]  IsRequest         To indicate create Certificate Payload or Certificate
                                 Request Payload. If it is TURE, create Certificate
-                                Payload. Otherwise, create Certificate Request Payload.
+                                Request Payload. Otherwise, create Certificate Payload.
 
   @retval  a Pointer to IKE Payload whose payload buffer containing the Certificate
            payload or Certificated Request payload.
 
 **/
-- 
1.9.5.msysgit.1