diff --git a/library/sha512.c b/library/sha512.c
index 7530629..06a628a 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -171,6 +171,14 @@
     return( 0 );
 }
 
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_sha512_starts( mbedtls_sha512_context *ctx,
+                            int is384 )
+{
+    mbedtls_sha512_starts_ret( ctx, is384 );
+}
+#endif
+
 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
 
 /*
@@ -322,6 +330,13 @@
     return( 0 );
 }
 
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_sha512_process( mbedtls_sha512_context *ctx,
+                             const unsigned char data[128] )
+{
+    mbedtls_internal_sha512_process( ctx, data );
+}
+#endif
 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
 
 /*
@@ -376,6 +391,15 @@
     return( 0 );
 }
 
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_sha512_update( mbedtls_sha512_context *ctx,
+                            const unsigned char *input,
+                            size_t ilen )
+{
+    mbedtls_sha512_update_ret( ctx, input, ilen );
+}
+#endif
+
 /*
  * SHA-512 final digest
  */
@@ -446,6 +470,14 @@
     return( 0 );
 }
 
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
+                            unsigned char output[64] )
+{
+    mbedtls_sha512_finish_ret( ctx, output );
+}
+#endif
+
 #endif /* !MBEDTLS_SHA512_ALT */
 
 /*
@@ -484,6 +516,16 @@
     return( ret );
 }
 
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)
+void mbedtls_sha512( const unsigned char *input,
+                     size_t ilen,
+                     unsigned char output[64],
+                     int is384 )
+{
+    mbedtls_sha512_ret( input, ilen, output, is384 );
+}
+#endif
+
 #if defined(MBEDTLS_SELF_TEST)
 
 /*