diff --git a/library/md_wrap.c b/library/md_wrap.c
index fcc3102..603a4ac 100644
--- a/library/md_wrap.c
+++ b/library/md_wrap.c
@@ -148,6 +148,7 @@
     POLARSSL_MD_MD2,
     "MD2",
     16,
+    16,
     md2_starts_wrap,
     md2_update_wrap,
     md2_finish_wrap,
@@ -236,6 +237,7 @@
     POLARSSL_MD_MD4,
     "MD4",
     16,
+    64,
     md4_starts_wrap,
     md4_update_wrap,
     md4_finish_wrap,
@@ -324,6 +326,7 @@
     POLARSSL_MD_MD5,
     "MD5",
     16,
+    64,
     md5_starts_wrap,
     md5_update_wrap,
     md5_finish_wrap,
@@ -420,6 +423,7 @@
     POLARSSL_MD_RIPEMD160,
     "RIPEMD160",
     20,
+    64,
     ripemd160_starts_wrap,
     ripemd160_update_wrap,
     ripemd160_finish_wrap,
@@ -516,6 +520,7 @@
     POLARSSL_MD_SHA1,
     "SHA1",
     20,
+    64,
     sha1_starts_wrap,
     sha1_update_wrap,
     sha1_finish_wrap,
@@ -620,6 +625,7 @@
     POLARSSL_MD_SHA224,
     "SHA224",
     28,
+    64,
     sha224_starts_wrap,
     sha224_update_wrap,
     sha224_finish_wrap,
@@ -725,6 +731,7 @@
     POLARSSL_MD_SHA256,
     "SHA256",
     32,
+    64,
     sha256_starts_wrap,
     sha256_update_wrap,
     sha256_finish_wrap,
@@ -826,6 +833,7 @@
     POLARSSL_MD_SHA384,
     "SHA384",
     48,
+    128,
     sha384_starts_wrap,
     sha384_update_wrap,
     sha384_finish_wrap,
@@ -931,6 +939,7 @@
     POLARSSL_MD_SHA512,
     "SHA512",
     64,
+    128,
     sha512_starts_wrap,
     sha512_update_wrap,
     sha512_finish_wrap,