add sha224sum and sha384sum

Signed-off-by: Mattias Andrée <maandree@kth.se>

sha384sum.c

@@ -0,0 +1,41 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdint.h>
+#include <stdio.h>
+
+#include "crypt.h"
+#include "sha384.h"
+#include "util.h"
+
+static struct sha384 s;
+struct crypt_ops sha384_ops = {
+	sha384_init,
+	sha384_update,
+	sha384_sum,
+	&s,
+};
+
+static void
+usage(void)
+{
+	eprintf("usage: %s [-c] [file ...]\n", argv0);
+}
+
+int
+main(int argc, char *argv[])
+{
+	int ret = 0, (*cryptfunc)(int, char **, struct crypt_ops *, uint8_t *, size_t) = cryptmain;
+	uint8_t md[SHA384_DIGEST_LENGTH];
+
+	ARGBEGIN {
+	case 'c':
+		cryptfunc = cryptcheck;
+		break;
+	default:
+		usage();
+	} ARGEND
+
+	ret |= cryptfunc(argc, argv, &sha384_ops, md, sizeof(md));
+	ret |= fshut(stdin, "<stdin>") | fshut(stdout, "<stdout>");
+
+	return ret;
+}