From: Jason Self <j@jxself.org>
Date: Mon, 28 Sep 2015 00:52:39 +0000 (-0700)
Subject: Hashing cmdline strings added.
X-Git-Url: https://jxself.org/git/?p=skeinsum.git;a=commitdiff_plain;h=a20d5ede618124ecba406fcca37cf92dbc202997

Hashing cmdline strings added.
---

diff --git a/skein_cli.c b/skein_cli.c
index 39e5ea0..e95f4b6 100644
--- a/skein_cli.c
+++ b/skein_cli.c
@@ -386,6 +386,7 @@ void print_usage(void)
 	       "-c, --check      read skein sums from the FILEs and check them\n"
 	       "--tag            create a BSD-style checksum\n"
 	       "-t, --text       read in text mode (default)\n"
+	       "-0               hash strings from command line\n"
 	       "\n"
 	       "The following three options are useful only when verifying checksums:\n"
 	       "--quiet          don't print OK for each successfully verified file\n"
@@ -448,10 +449,10 @@ int main(int argc, char** argv)
 /*****************************************************************************************
  ************************************* GETTING DATA ***********************************
  *****************************************************************************************/
-	while ((opt = getopt_long (argc, argv, "hVbctw", long_options, NULL)) != -1)
+	while ((opt = getopt_long (argc, argv, "hVbctw0", long_options, NULL)) != -1)
 	{
 		switch (opt) {
-			case 0              : hashString = 1;  break;
+			case '0'            : hashString = 1;  break;
 			case 'b'            : binary     = 1;  break;
 			case 't'            : binary     = 0;  break;
 			case 'c'            : check      = 1;  break;
@@ -473,6 +474,23 @@ int main(int argc, char** argv)
  ************************************* PROCESSING DATA ***********************************
  *****************************************************************************************/
 
+	if (hashString > 0)
+	{
+		int n = first_file;
+		if (n >= argc) {
+			WARN("command line should contain strings for hashing\n");
+			TRYHELP_GOODBYE();
+		}
+		for( ; n < argc; n++) {
+			unsigned char output[hashbitlen/4];
+			char digest[hashbitlen/4 + 1];
+			Hash(hashbitlen, argv[n], strlen(argv[n]), output);
+			hash2hexstr(output, digest);
+			printf("%s -%s\n", digest, argv[n]);
+		}
+		return 0;
+	}
+
 	if (check < 0)   /* READ FILES, GENERATE CHECKSUMS AND PRINT TO STDOUT.. */
 	{
 		if (quiet == 1 || warn == 1 || status == 1)