266     size_t use_len, olen = 0;  in mbedtls_gcm_starts()  local
292             use_len = (iv_len < 16) ? iv_len : 16;  in mbedtls_gcm_starts()
294             mbedtls_xor(ctx->y, ctx->y, p, use_len);  in mbedtls_gcm_starts()
298             iv_len -= use_len;  in mbedtls_gcm_starts()
299             p += use_len;  in mbedtls_gcm_starts()
336     size_t use_len, offset;  in mbedtls_gcm_update_ad()  local
347         use_len = 16 - offset;  in mbedtls_gcm_update_ad()
348         if (use_len > add_len) {  in mbedtls_gcm_update_ad()
349             use_len = add_len;  in mbedtls_gcm_update_ad()
352         mbedtls_xor(ctx->buf + offset, ctx->buf + offset, p, use_len);  in mbedtls_gcm_update_ad()
354         if (offset + use_len == 16) {  in mbedtls_gcm_update_ad()
358         ctx->add_len += use_len;  in mbedtls_gcm_update_ad()
359         add_len -= use_len;  in mbedtls_gcm_update_ad()
360         p += use_len;  in mbedtls_gcm_update_ad()
396                     size_t offset, size_t use_len,  in gcm_mask()  argument
410         mbedtls_xor(ctx->buf + offset, ctx->buf + offset, input, use_len);  in gcm_mask()
412     mbedtls_xor(output, ectr + offset, input, use_len);  in gcm_mask()
414         mbedtls_xor(ctx->buf + offset, ctx->buf + offset, output, use_len);  in gcm_mask()
461         size_t use_len = 16 - offset;  in mbedtls_gcm_update()  local
462         if (use_len > input_length) {  in mbedtls_gcm_update()
463             use_len = input_length;  in mbedtls_gcm_update()
466         if ((ret = gcm_mask(ctx, ectr, offset, use_len, p, out_p)) != 0) {  in mbedtls_gcm_update()
470         if (offset + use_len == 16) {  in mbedtls_gcm_update()
474         ctx->len += use_len;  in mbedtls_gcm_update()
475         input_length -= use_len;  in mbedtls_gcm_update()
476         p += use_len;  in mbedtls_gcm_update()
477         out_p += use_len;  in mbedtls_gcm_update()