diff --git a/library/sha512.c b/library/sha512.c
index 315e516..6511c6e 100644
--- a/library/sha512.c
+++ b/library/sha512.c
@@ -123,7 +123,7 @@
 /*
  * SHA-512 context setup
  */
-int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
+int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
 {
     SHA512_VALIDATE_RET( ctx != NULL );
 #if defined(MBEDTLS_SHA384_C)
@@ -327,7 +327,7 @@
 /*
  * SHA-512 process buffer
  */
-int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
+int mbedtls_sha512_update( mbedtls_sha512_context *ctx,
                                const unsigned char *input,
                                size_t ilen )
 {
@@ -379,7 +379,7 @@
 /*
  * SHA-512 final digest
  */
-int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
+int mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
                                unsigned char *output )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -451,7 +451,7 @@
 /*
  * output = SHA-512( input buffer )
  */
-int mbedtls_sha512_ret( const unsigned char *input,
+int mbedtls_sha512( const unsigned char *input,
                     size_t ilen,
                     unsigned char *output,
                     int is384 )
@@ -469,13 +469,13 @@
 
     mbedtls_sha512_init( &ctx );
 
-    if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 )
+    if( ( ret = mbedtls_sha512_starts( &ctx, is384 ) ) != 0 )
         goto exit;
 
-    if( ( ret = mbedtls_sha512_update_ret( &ctx, input, ilen ) ) != 0 )
+    if( ( ret = mbedtls_sha512_update( &ctx, input, ilen ) ) != 0 )
         goto exit;
 
-    if( ( ret = mbedtls_sha512_finish_ret( &ctx, output ) ) != 0 )
+    if( ( ret = mbedtls_sha512_finish( &ctx, output ) ) != 0 )
         goto exit;
 
 exit:
@@ -591,7 +591,7 @@
         if( verbose != 0 )
             mbedtls_printf( "  SHA-%d test #%d: ", 512 - k * 128, j + 1 );
 
-        if( ( ret = mbedtls_sha512_starts_ret( &ctx, k ) ) != 0 )
+        if( ( ret = mbedtls_sha512_starts( &ctx, k ) ) != 0 )
             goto fail;
 
         if( j == 2 )
@@ -600,20 +600,20 @@
 
             for( j = 0; j < 1000; j++ )
             {
-                ret = mbedtls_sha512_update_ret( &ctx, buf, buflen );
+                ret = mbedtls_sha512_update( &ctx, buf, buflen );
                 if( ret != 0 )
                     goto fail;
             }
         }
         else
         {
-            ret = mbedtls_sha512_update_ret( &ctx, sha512_test_buf[j],
+            ret = mbedtls_sha512_update( &ctx, sha512_test_buf[j],
                                              sha512_test_buflen[j] );
             if( ret != 0 )
                 goto fail;
         }
 
-        if( ( ret = mbedtls_sha512_finish_ret( &ctx, sha512sum ) ) != 0 )
+        if( ( ret = mbedtls_sha512_finish( &ctx, sha512sum ) ) != 0 )
             goto fail;
 
         if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )