Define end-to-end helper functions for FIPS PUB 180-4

sha2.c

@@ -817,6 +817,38 @@ VOID_RETURN sha512(unsigned char hval[], const unsigned char data[], unsigned lo
     sha_end2(hval, cx, SHA512_DIGEST_SIZE);
 }
 
+VOID_RETURN sha512_256(unsigned char hval[], const unsigned char data[], unsigned long len)
+{   sha512_ctx  cx[1];
+
+    sha512_256_begin(cx);
+    sha512_hash(data, len, cx);
+    sha512_256_end(hval, cx);
+}
+
+VOID_RETURN sha512_224(unsigned char hval[], const unsigned char data[], unsigned long len)
+{   sha512_ctx  cx[1];
+
+    sha512_224_begin(cx);
+    sha512_hash(data, len, cx);
+    sha512_224_end(hval, cx);
+}
+
+VOID_RETURN sha512_192(unsigned char hval[], const unsigned char data[], unsigned long len)
+{   sha512_ctx  cx[1];
+
+    sha512_192_begin(cx);
+    sha512_hash(data, len, cx);
+    sha512_192_end(hval, cx);
+}
+
+VOID_RETURN sha512_128(unsigned char hval[], const unsigned char data[], unsigned long len)
+{   sha512_ctx  cx[1];
+
+    sha512_128_begin(cx);
+    sha512_hash(data, len, cx);
+    sha512_128_end(hval, cx);
+}
+
 #endif
 
 #if defined(SHA_2)