cleanup & shorten some var names key_fingerprint_bubblebabble.

1 files changed, 24 insertions, 26 deletions

diff --git a/usr.bin/ssh/key.c b/usr.bin/ssh/key.c
index d8f994b5fc4..17a6c787dc8 100644
--- a/usr.bin/ssh/key.c
+++ b/usr.bin/ssh/key.c
@@ -32,7 +32,7 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "includes.h"
-RCSID("$OpenBSD: key.c,v 1.19 2001/03/11 15:03:15 jakob Exp $");
+RCSID("$OpenBSD: key.c,v 1.20 2001/03/11 15:13:09 jakob Exp $");
 
 #include <openssl/evp.h>
 
@@ -236,46 +236,44 @@ key_fingerprint_bubblebabble(u_char* dgst_raw, size_t dgst_raw_len)
 	char vowels[] = { 'a', 'e', 'i', 'o', 'u', 'y' };
 	char consonants[] = { 'b', 'c', 'd', 'f', 'g', 'h', 'k', 'l', 'm',
 	    'n', 'p', 'r', 's', 't', 'v', 'z', 'x' };
-	u_int rounds, idx, retval_idx, seed;
+	u_int i, j = 0, rounds, seed = 1;
 	char *retval;
 
 	rounds = (dgst_raw_len / 2) + 1;
 	retval = xmalloc(sizeof(char) * (rounds*6));
-	seed = 1;
-	retval_idx = 0;
-	retval[retval_idx++] = 'x';
-	for (idx=0;idx<rounds;idx++) {
+	retval[j++] = 'x';
+	for (i = 0; i < rounds; i++) {
 		u_int idx0, idx1, idx2, idx3, idx4;
-		if ((idx + 1 < rounds) || (dgst_raw_len % 2 != 0)) {
-			idx0 = (((((u_int)(dgst_raw[2 * idx])) >> 6) & 3) +
+		if ((i + 1 < rounds) || (dgst_raw_len % 2 != 0)) {
+			idx0 = (((((u_int)(dgst_raw[2 * i])) >> 6) & 3) +
 			    seed) % 6;
-			idx1 = (((u_int)(dgst_raw[2 * idx])) >> 2) & 15;
-			idx2 = ((((u_int)(dgst_raw[2 * idx])) & 3) +
+			idx1 = (((u_int)(dgst_raw[2 * i])) >> 2) & 15;
+			idx2 = ((((u_int)(dgst_raw[2 * i])) & 3) +
 			    (seed / 6)) % 6;
-			retval[retval_idx++] = vowels[idx0];
-			retval[retval_idx++] = consonants[idx1];
-			retval[retval_idx++] = vowels[idx2];
-			if ((idx + 1) < rounds) {
-				idx3 = (((u_int)(dgst_raw[(2 * idx) + 1])) >> 4) & 15;
-				idx4 = (((u_int)(dgst_raw[(2 * idx) + 1]))) & 15;
-				retval[retval_idx++] = consonants[idx3];
-				retval[retval_idx++] = '-';
-				retval[retval_idx++] = consonants[idx4];
+			retval[j++] = vowels[idx0];
+			retval[j++] = consonants[idx1];
+			retval[j++] = vowels[idx2];
+			if ((i + 1) < rounds) {
+				idx3 = (((u_int)(dgst_raw[(2 * i) + 1])) >> 4) & 15;
+				idx4 = (((u_int)(dgst_raw[(2 * i) + 1]))) & 15;
+				retval[j++] = consonants[idx3];
+				retval[j++] = '-';
+				retval[j++] = consonants[idx4];
 				seed = ((seed * 5) +
-				    ((((u_int)(dgst_raw[2 * idx])) * 7) +
-				    ((u_int)(dgst_raw[(2 * idx) + 1])))) % 36;
+				    ((((u_int)(dgst_raw[2 * i])) * 7) +
+				    ((u_int)(dgst_raw[(2 * i) + 1])))) % 36;
 			}
 		} else {
 			idx0 = seed % 6;
 			idx1 = 16;
 			idx2 = seed / 6;
-			retval[retval_idx++] = vowels[idx0];
-			retval[retval_idx++] = consonants[idx1];
-			retval[retval_idx++] = vowels[idx2];
+			retval[j++] = vowels[idx0];
+			retval[j++] = consonants[idx1];
+			retval[j++] = vowels[idx2];
 		}
 	}
-	retval[retval_idx++] = 'x';
-	retval[retval_idx++] = '\0';
+	retval[j++] = 'x';
+	retval[j++] = '\0';
 	return retval;
 }