Mercurial > gnulib
view tests/test-gc-arcfour.c @ 40212:8da9577294da
unistr/*, uniconv/*: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u-cpy.h (FUNC): Don't invoke memcpy with a zero size.
* lib/unistr/u-cpy-alloc.h (FUNC): Likewise.
* lib/uniconv/u8-conv-from-enc.c (u8_conv_from_encoding): Likewise.
* lib/uniconv/u8-conv-to-enc.c (u8_conv_to_encoding): Likewise.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 09 Mar 2019 00:01:47 +0100 |
parents | b06060465f09 |
children | 5d9b82ca550a |
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/* * Copyright (C) 2005, 2010-2019 Free Software Foundation, Inc. * Written by Simon Josefsson * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <https://www.gnu.org/licenses/>. */ #include <config.h> #include "gc.h" #include <stdio.h> #include <string.h> int main (int argc, char *argv[]) { gc_cipher_handle ctx; /* Test vector from Cryptlib via Libgcrypt labeled there: "from the State/Commerce Department". */ static char key_1[] = { 0x61, 0x8A, 0x63, 0xD2, 0xFB }; static char plaintext_1[] = { 0xDC, 0xEE, 0x4C, 0xF9, 0x2C }; static const char ciphertext_1[] = { 0xF1, 0x38, 0x29, 0xC9, 0xDE }; char scratch[16]; Gc_rc rc; rc = gc_init (); if (rc != GC_OK) { printf ("gc_init() failed\n"); return 1; } rc = gc_cipher_open (GC_ARCFOUR40, GC_STREAM, &ctx); if (rc != GC_OK) return 1; rc = gc_cipher_setkey (ctx, sizeof (key_1), key_1); if (rc != GC_OK) return 1; memcpy (scratch, plaintext_1, sizeof (plaintext_1)); rc = gc_cipher_encrypt_inline (ctx, sizeof (plaintext_1), scratch); if (rc != GC_OK) return 1; if (memcmp (scratch, ciphertext_1, sizeof (ciphertext_1))) { size_t i; printf ("expected:\n"); for (i = 0; i < 5; i++) printf ("%02x ", scratch[i] & 0xFF); printf ("\ncomputed:\n"); for (i = 0; i < 5; i++) printf ("%02x ", ciphertext_1[i] & 0xFF); printf ("\n"); return 1; } /* decrypt */ rc = gc_cipher_setkey (ctx, sizeof (key_1), key_1); if (rc != GC_OK) return 1; rc = gc_cipher_decrypt_inline (ctx, sizeof (plaintext_1), scratch); if (rc != GC_OK) return 1; if (memcmp (scratch, plaintext_1, sizeof (plaintext_1))) { size_t i; printf ("expected:\n"); for (i = 0; i < 5; i++) printf ("%02x ", plaintext_1[i] & 0xFF); printf ("\ncomputed:\n"); for (i = 0; i < 5; i++) printf ("%02x ", scratch[i] & 0xFF); printf ("\n"); return 1; } gc_done (); return 0; }