sha256.h: add guard for is224 in sha256 context
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 87e259f..45a5f90 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -53,8 +53,10 @@
unsigned char MBEDTLS_PRIVATE(buffer)[64]; /*!< The data block being processed. */
uint32_t MBEDTLS_PRIVATE(total)[2]; /*!< The number of Bytes processed. */
uint32_t MBEDTLS_PRIVATE(state)[8]; /*!< The intermediate digest state. */
+#if defined(MBEDTLS_SHA224_C)
int MBEDTLS_PRIVATE(is224); /*!< Determines which function to use:
0: Use SHA-256, or 1: Use SHA-224. */
+#endif
}
mbedtls_sha256_context;