diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 9def0a7..f0599d7 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5600,4 +5600,18 @@
     return ret;
 }
 
+psa_status_t psa_crypto_copy_and_free(psa_crypto_buffer_copy_t *buffers)
+{
+    if (buffers->output != NULL) {
+        memcpy(buffers->output_original, buffers->output, buffers->output_len);
+    }
+
+    mbedtls_free(buffers->input);
+    buffers->input = NULL;
+    mbedtls_free(buffers->output);
+    buffers->output = NULL;
+
+    return PSA_SUCCESS;
+}
+
 #endif /* MBEDTLS_PSA_CRYPTO_C */