From 23b2746ea3f90ca857d4fd5387efa24da174355c Mon Sep 17 00:00:00 2001 From: Ted Unangst Date: Tue, 14 Jan 2014 21:34:31 +0000 Subject: most common pbkdf failure is no password, so check that first. prompted by fritjof --- usr.bin/signify/signify.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'usr.bin/signify/signify.c') diff --git a/usr.bin/signify/signify.c b/usr.bin/signify/signify.c index a4e5bc2c9e9..9bc6bacedc9 100644 --- a/usr.bin/signify/signify.c +++ b/usr.bin/signify/signify.c @@ -1,4 +1,4 @@ -/* $OpenBSD: signify.c,v 1.36 2014/01/14 21:33:10 tedu Exp $ */ +/* $OpenBSD: signify.c,v 1.37 2014/01/14 21:34:30 tedu Exp $ */ /* * Copyright (c) 2013 Ted Unangst * @@ -251,6 +251,8 @@ kdf(uint8_t *salt, size_t saltlen, int rounds, uint8_t *key, size_t keylen) if (!readpassphrase("passphrase: ", pass, sizeof(pass), 0)) errx(1, "readpassphrase"); + if (strlen(pass) == 0) + errx(1, "please provide a password"); if (bcrypt_pbkdf(pass, strlen(pass), salt, saltlen, key, keylen, rounds) == -1) errx(1, "bcrypt pbkdf"); -- cgit v1.2.3