X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=CryptoPkg%2FLibrary%2FBaseCryptLib%2FHmac%2FCryptHmacSha256.c;fp=CryptoPkg%2FLibrary%2FBaseCryptLib%2FHmac%2FCryptHmacSha256.c;h=f24443e7455289ac56d6e41d3b9079799f24a366;hp=ac9084fa850db0dfa9583231453bff7f16aa5a46;hb=acfb90911840c38a0beb9bcfe0065668244d2b4d;hpb=456dd8b99f002d05e8c7dd8c4f3ea8b52c9c85a5

diff --git a/CryptoPkg/Library/BaseCryptLib/Hmac/CryptHmacSha256.c b/CryptoPkg/Library/BaseCryptLib/Hmac/CryptHmacSha256.c
index ac9084fa85..f24443e745 100644
--- a/CryptoPkg/Library/BaseCryptLib/Hmac/CryptHmacSha256.c
+++ b/CryptoPkg/Library/BaseCryptLib/Hmac/CryptHmacSha256.c
@@ -9,8 +9,12 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include "InternalCryptLib.h"
 #include <openssl/hmac.h>
 
-#define HMAC_SHA256_CTX_SIZE   sizeof(void *) * 4 + sizeof(unsigned int) + \
-                               sizeof(unsigned char) * HMAC_MAX_MD_CBLOCK
+//
+// NOTE: OpenSSL redefines the size of HMAC_CTX at crypto/hmac/hmac_lcl.h
+//       #define HMAC_MAX_MD_CBLOCK_SIZE     144
+//
+#define HMAC_SHA256_CTX_SIZE    (sizeof(void *) * 4 + sizeof(unsigned int) + \
+                             sizeof(unsigned char) * 144)
 
 /**
   Retrieves the size, in bytes, of the context buffer required for HMAC-SHA256 operations.