diff --git a/mcapi/crypto.c b/mcapi/crypto.c
index e398a1989..8ff2f5cbb 100644
--- a/mcapi/crypto.c
+++ b/mcapi/crypto.c
@@ -66,6 +66,8 @@ int CRYPT_MD5_DataSizeSet(CRYPT_MD5_CTX* md5, unsigned int sz)
 
 #ifdef WOLFSSL_PIC32MZ_HASH
     wc_Md5SizeSet((Md5*)md5, sz);
+#else
+    (void)sz;
 #endif
 
     return 0;
@@ -113,6 +115,8 @@ int CRYPT_SHA_DataSizeSet(CRYPT_SHA_CTX* sha, unsigned int sz)
 
 #ifdef WOLFSSL_PIC32MZ_HASH
     wc_ShaSizeSet((Sha*)sha, sz);
+#else
+    (void)sz;
 #endif
 
     return 0;
@@ -160,6 +164,8 @@ int CRYPT_SHA256_DataSizeSet(CRYPT_SHA256_CTX* sha256, unsigned int sz)
 
 #ifdef WOLFSSL_PIC32MZ_HASH
     wc_Sha256SizeSet((Sha256*)sha256, sz);
+#else
+    (void)sz;
 #endif
 
     return 0;
diff --git a/mcapi/crypto.h b/mcapi/crypto.h
index 786f561ba..2746b31d6 100644
--- a/mcapi/crypto.h
+++ b/mcapi/crypto.h
@@ -40,6 +40,7 @@ typedef struct CRYPT_MD5_CTX {
 int CRYPT_MD5_Initialize(CRYPT_MD5_CTX*);
 int CRYPT_MD5_DataAdd(CRYPT_MD5_CTX*, const unsigned char*, unsigned int);
 int CRYPT_MD5_Finalize(CRYPT_MD5_CTX*, unsigned char*);
+int CRYPT_MD5_DataSizeSet(CRYPT_MD5_CTX* md5, unsigned int sz);
 
 enum {
     CRYPT_MD5_DIGEST_SIZE = 16
@@ -54,6 +55,7 @@ typedef struct CRYPT_SHA_CTX {
 int CRYPT_SHA_Initialize(CRYPT_SHA_CTX*);
 int CRYPT_SHA_DataAdd(CRYPT_SHA_CTX*, const unsigned char*, unsigned int);
 int CRYPT_SHA_Finalize(CRYPT_SHA_CTX*, unsigned char*);
+int CRYPT_SHA_DataSizeSet(CRYPT_SHA_CTX* sha, unsigned int sz);
 
 enum {
     CRYPT_SHA_DIGEST_SIZE = 20
@@ -68,6 +70,7 @@ typedef struct CRYPT_SHA256_CTX {
 int CRYPT_SHA256_Initialize(CRYPT_SHA256_CTX*);
 int CRYPT_SHA256_DataAdd(CRYPT_SHA256_CTX*, const unsigned char*, unsigned int);
 int CRYPT_SHA256_Finalize(CRYPT_SHA256_CTX*, unsigned char*);
+int CRYPT_SHA256_DataSizeSet(CRYPT_SHA256_CTX* sha256, unsigned int sz);
 
 enum {
     CRYPT_SHA256_DIGEST_SIZE = 32