diff --git a/library/sha256.c b/library/sha256.c
index 3cb2122..6ec6da2 100644
--- a/library/sha256.c
+++ b/library/sha256.c
@@ -100,7 +100,7 @@
 /*
  * SHA-256 context setup
  */
-int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
+int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 )
 {
     SHA256_VALIDATE_RET( ctx != NULL );
 
@@ -285,7 +285,7 @@
 /*
  * SHA-256 process buffer
  */
-int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
+int mbedtls_sha256_update( mbedtls_sha256_context *ctx,
                                const unsigned char *input,
                                size_t ilen )
 {
@@ -338,7 +338,7 @@
 /*
  * SHA-256 final digest
  */
-int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
+int mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
                                unsigned char *output )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
@@ -408,7 +408,7 @@
 /*
  * output = SHA-256( input buffer )
  */
-int mbedtls_sha256_ret( const unsigned char *input,
+int mbedtls_sha256( const unsigned char *input,
                         size_t ilen,
                         unsigned char *output,
                         int is224 )
@@ -427,13 +427,13 @@
 
     mbedtls_sha256_init( &ctx );
 
-    if( ( ret = mbedtls_sha256_starts_ret( &ctx, is224 ) ) != 0 )
+    if( ( ret = mbedtls_sha256_starts( &ctx, is224 ) ) != 0 )
         goto exit;
 
-    if( ( ret = mbedtls_sha256_update_ret( &ctx, input, ilen ) ) != 0 )
+    if( ( ret = mbedtls_sha256_update( &ctx, input, ilen ) ) != 0 )
         goto exit;
 
-    if( ( ret = mbedtls_sha256_finish_ret( &ctx, output ) ) != 0 )
+    if( ( ret = mbedtls_sha256_finish( &ctx, output ) ) != 0 )
         goto exit;
 
 exit:
@@ -522,7 +522,7 @@
         if( verbose != 0 )
             mbedtls_printf( "  SHA-%d test #%d: ", 256 - k * 32, j + 1 );
 
-        if( ( ret = mbedtls_sha256_starts_ret( &ctx, k ) ) != 0 )
+        if( ( ret = mbedtls_sha256_starts( &ctx, k ) ) != 0 )
             goto fail;
 
         if( j == 2 )
@@ -531,7 +531,7 @@
 
             for( j = 0; j < 1000; j++ )
             {
-                ret = mbedtls_sha256_update_ret( &ctx, buf, buflen );
+                ret = mbedtls_sha256_update( &ctx, buf, buflen );
                 if( ret != 0 )
                     goto fail;
             }
@@ -539,13 +539,13 @@
         }
         else
         {
-            ret = mbedtls_sha256_update_ret( &ctx, sha256_test_buf[j],
+            ret = mbedtls_sha256_update( &ctx, sha256_test_buf[j],
                                              sha256_test_buflen[j] );
             if( ret != 0 )
                  goto fail;
         }
 
-        if( ( ret = mbedtls_sha256_finish_ret( &ctx, sha256sum ) ) != 0 )
+        if( ( ret = mbedtls_sha256_finish( &ctx, sha256sum ) ) != 0 )
             goto fail;