sha: decline MD defines for various SHA
Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index 69f1689..85ecc43 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -63,10 +63,16 @@
MBEDTLS_MD_RIPEMD160, /**< The RIPEMD-160 message digest. */
} mbedtls_md_type_t;
-#if defined(MBEDTLS_SHA512_C) || defined(MBEDTLS_SHA384_C)
+#if defined(MBEDTLS_SHA512_C)
#define MBEDTLS_MD_MAX_SIZE 64 /* longest known is SHA512 */
+#elif defined(MBEDTLS_SHA384_C)
+#define MBEDTLS_MD_MAX_SIZE 48 /* longest known is SHA384 */
+#elif defined(MBEDTLS_SHA256_C)
+#define MBEDTLS_MD_MAX_SIZE 32 /* longest known is SHA256 */
+#elif defined(MBEDTLS_SHA224_C)
+#define MBEDTLS_MD_MAX_SIZE 28 /* longest known is SHA224 */
#else
-#define MBEDTLS_MD_MAX_SIZE 32 /* longest known is SHA256 or less */
+#define MBEDTLS_MD_MAX_SIZE 20 /* longest known is SHA1 or RIPE MD-160 */
#endif
#if defined(MBEDTLS_SHA512_C)