480 lines
14 KiB
C
480 lines
14 KiB
C
/* $OpenBSD: rc4_test.c,v 1.6 2022/11/09 12:10:17 joshua Exp $ */
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/*
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* Copyright (c) 2022 Joshua Sing <joshua@hypera.dev>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <openssl/evp.h>
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#include <openssl/rc4.h>
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#include <stdint.h>
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#include <string.h>
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struct rc4_test {
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const uint8_t key[32];
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const int key_len;
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const int len;
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const uint8_t in[512];
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const uint8_t out[512];
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};
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static const struct rc4_test rc4_tests[] = {
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/*
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* Test vectors from RFC 6229, with 40 and 128-bit keys.
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* Note that this only uses the first 32 bytes of each test vector due
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* to stream offsets.
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*/
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{
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.key = {
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0x01, 0x02, 0x03, 0x04, 0x05,
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},
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.key_len = 5,
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.len = 32,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0xb2, 0x39, 0x63, 0x05, 0xf0, 0x3d, 0xc0, 0x27,
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0xcc, 0xc3, 0x52, 0x4a, 0x0a, 0x11, 0x18, 0xa8,
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0x69, 0x82, 0x94, 0x4f, 0x18, 0xfc, 0x82, 0xd5,
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0x89, 0xc4, 0x03, 0xa4, 0x7a, 0x0d, 0x09, 0x19,
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},
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},
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{
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.key = {
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0x83, 0x32, 0x22, 0x77, 0x2a,
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},
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.key_len = 5,
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.len = 32,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0x80, 0xad, 0x97, 0xbd, 0xc9, 0x73, 0xdf, 0x8a,
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0x2e, 0x87, 0x9e, 0x92, 0xa4, 0x97, 0xef, 0xda,
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0x20, 0xf0, 0x60, 0xc2, 0xf2, 0xe5, 0x12, 0x65,
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0x01, 0xd3, 0xd4, 0xfe, 0xa1, 0x0d, 0x5f, 0xc0,
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},
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},
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{
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.key = {
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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},
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.key_len = 16,
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.len = 32,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0x9a, 0xc7, 0xcc, 0x9a, 0x60, 0x9d, 0x1e, 0xf7,
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0xb2, 0x93, 0x28, 0x99, 0xcd, 0xe4, 0x1b, 0x97,
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0x52, 0x48, 0xc4, 0x95, 0x90, 0x14, 0x12, 0x6a,
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0x6e, 0x8a, 0x84, 0xf1, 0x1d, 0x1a, 0x9e, 0x1c,
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},
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},
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{
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.key = {
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0xeb, 0xb4, 0x62, 0x27, 0xc6, 0xcc, 0x8b, 0x37,
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0x64, 0x19, 0x10, 0x83, 0x32, 0x22, 0x77, 0x2a,
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},
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.key_len = 16,
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.len = 32,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0x72, 0x0c, 0x94, 0xb6, 0x3e, 0xdf, 0x44, 0xe1,
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0x31, 0xd9, 0x50, 0xca, 0x21, 0x1a, 0x5a, 0x30,
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0xc3, 0x66, 0xfd, 0xea, 0xcf, 0x9c, 0xa8, 0x04,
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0x36, 0xbe, 0x7c, 0x35, 0x84, 0x24, 0xd2, 0x0b,
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},
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},
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/*
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* Test vectors from the original cypherpunk posting of ARC4:
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* https://groups.google.com/group/sci.crypt/msg/10a300c9d21afca0?pli=1
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*/
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{
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.key = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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},
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.key_len = 8,
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.len = 8,
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.in = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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},
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.out = {
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0x75, 0xb7, 0x87, 0x80, 0x99, 0xe0, 0xc5, 0x96,
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},
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},
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{
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.key = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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},
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.key_len = 8,
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.len = 8,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0x74, 0x94, 0xc2, 0xe7, 0x10, 0x4b, 0x08, 0x79,
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},
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},
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{
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.key = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.key_len = 8,
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.len = 8,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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},
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.out = {
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0xde, 0x18, 0x89, 0x41, 0xa3, 0x37, 0x5d, 0x3a,
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},
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},
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{
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.key = {
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0xef, 0x01, 0x23, 0x45,
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},
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.key_len = 4,
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.len = 10,
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.in = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00,
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},
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.out = {
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0xd6, 0xa1, 0x41, 0xa7, 0xec, 0x3c, 0x38, 0xdf,
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0xbd, 0x61,
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},
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},
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{
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.key = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
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},
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.key_len = 8,
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.len = 512,
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.in = {
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
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},
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.out = {
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0x75, 0x95, 0xc3, 0xe6, 0x11, 0x4a, 0x09, 0x78,
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0x0c, 0x4a, 0xd4, 0x52, 0x33, 0x8e, 0x1f, 0xfd,
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0x9a, 0x1b, 0xe9, 0x49, 0x8f, 0x81, 0x3d, 0x76,
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0x53, 0x34, 0x49, 0xb6, 0x77, 0x8d, 0xca, 0xd8,
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0xc7, 0x8a, 0x8d, 0x2b, 0xa9, 0xac, 0x66, 0x08,
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0x5d, 0x0e, 0x53, 0xd5, 0x9c, 0x26, 0xc2, 0xd1,
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0xc4, 0x90, 0xc1, 0xeb, 0xbe, 0x0c, 0xe6, 0x6d,
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0x1b, 0x6b, 0x1b, 0x13, 0xb6, 0xb9, 0x19, 0xb8,
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0x47, 0xc2, 0x5a, 0x91, 0x44, 0x7a, 0x95, 0xe7,
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0x5e, 0x4e, 0xf1, 0x67, 0x79, 0xcd, 0xe8, 0xbf,
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0x0a, 0x95, 0x85, 0x0e, 0x32, 0xaf, 0x96, 0x89,
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0x44, 0x4f, 0xd3, 0x77, 0x10, 0x8f, 0x98, 0xfd,
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0xcb, 0xd4, 0xe7, 0x26, 0x56, 0x75, 0x00, 0x99,
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0x0b, 0xcc, 0x7e, 0x0c, 0xa3, 0xc4, 0xaa, 0xa3,
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0x04, 0xa3, 0x87, 0xd2, 0x0f, 0x3b, 0x8f, 0xbb,
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0xcd, 0x42, 0xa1, 0xbd, 0x31, 0x1d, 0x7a, 0x43,
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0x03, 0xdd, 0xa5, 0xab, 0x07, 0x88, 0x96, 0xae,
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0x80, 0xc1, 0x8b, 0x0a, 0xf6, 0x6d, 0xff, 0x31,
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0x96, 0x16, 0xeb, 0x78, 0x4e, 0x49, 0x5a, 0xd2,
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0xce, 0x90, 0xd7, 0xf7, 0x72, 0xa8, 0x17, 0x47,
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0xb6, 0x5f, 0x62, 0x09, 0x3b, 0x1e, 0x0d, 0xb9,
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0xe5, 0xba, 0x53, 0x2f, 0xaf, 0xec, 0x47, 0x50,
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0x83, 0x23, 0xe6, 0x71, 0x32, 0x7d, 0xf9, 0x44,
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0x44, 0x32, 0xcb, 0x73, 0x67, 0xce, 0xc8, 0x2f,
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0x5d, 0x44, 0xc0, 0xd0, 0x0b, 0x67, 0xd6, 0x50,
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0xa0, 0x75, 0xcd, 0x4b, 0x70, 0xde, 0xdd, 0x77,
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0xeb, 0x9b, 0x10, 0x23, 0x1b, 0x6b, 0x5b, 0x74,
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0x13, 0x47, 0x39, 0x6d, 0x62, 0x89, 0x74, 0x21,
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0xd4, 0x3d, 0xf9, 0xb4, 0x2e, 0x44, 0x6e, 0x35,
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0x8e, 0x9c, 0x11, 0xa9, 0xb2, 0x18, 0x4e, 0xcb,
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0xef, 0x0c, 0xd8, 0xe7, 0xa8, 0x77, 0xef, 0x96,
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0x8f, 0x13, 0x90, 0xec, 0x9b, 0x3d, 0x35, 0xa5,
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0x58, 0x5c, 0xb0, 0x09, 0x29, 0x0e, 0x2f, 0xcd,
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0xe7, 0xb5, 0xec, 0x66, 0xd9, 0x08, 0x4b, 0xe4,
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0x40, 0x55, 0xa6, 0x19, 0xd9, 0xdd, 0x7f, 0xc3,
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0x16, 0x6f, 0x94, 0x87, 0xf7, 0xcb, 0x27, 0x29,
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0x12, 0x42, 0x64, 0x45, 0x99, 0x85, 0x14, 0xc1,
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0x5d, 0x53, 0xa1, 0x8c, 0x86, 0x4c, 0xe3, 0xa2,
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0xb7, 0x55, 0x57, 0x93, 0x98, 0x81, 0x26, 0x52,
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0x0e, 0xac, 0xf2, 0xe3, 0x06, 0x6e, 0x23, 0x0c,
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0x91, 0xbe, 0xe4, 0xdd, 0x53, 0x04, 0xf5, 0xfd,
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0x04, 0x05, 0xb3, 0x5b, 0xd9, 0x9c, 0x73, 0x13,
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0x5d, 0x3d, 0x9b, 0xc3, 0x35, 0xee, 0x04, 0x9e,
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0xf6, 0x9b, 0x38, 0x67, 0xbf, 0x2d, 0x7b, 0xd1,
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0xea, 0xa5, 0x95, 0xd8, 0xbf, 0xc0, 0x06, 0x6f,
|
|
0xf8, 0xd3, 0x15, 0x09, 0xeb, 0x0c, 0x6c, 0xaa,
|
|
0x00, 0x6c, 0x80, 0x7a, 0x62, 0x3e, 0xf8, 0x4c,
|
|
0x3d, 0x33, 0xc1, 0x95, 0xd2, 0x3e, 0xe3, 0x20,
|
|
0xc4, 0x0d, 0xe0, 0x55, 0x81, 0x57, 0xc8, 0x22,
|
|
0xd4, 0xb8, 0xc5, 0x69, 0xd8, 0x49, 0xae, 0xd5,
|
|
0x9d, 0x4e, 0x0f, 0xd7, 0xf3, 0x79, 0x58, 0x6b,
|
|
0x4b, 0x7f, 0xf6, 0x84, 0xed, 0x6a, 0x18, 0x9f,
|
|
0x74, 0x86, 0xd4, 0x9b, 0x9c, 0x4b, 0xad, 0x9b,
|
|
0xa2, 0x4b, 0x96, 0xab, 0xf9, 0x24, 0x37, 0x2c,
|
|
0x8a, 0x8f, 0xff, 0xb1, 0x0d, 0x55, 0x35, 0x49,
|
|
0x00, 0xa7, 0x7a, 0x3d, 0xb5, 0xf2, 0x05, 0xe1,
|
|
0xb9, 0x9f, 0xcd, 0x86, 0x60, 0x86, 0x3a, 0x15,
|
|
0x9a, 0xd4, 0xab, 0xe4, 0x0f, 0xa4, 0x89, 0x34,
|
|
0x16, 0x3d, 0xdd, 0xe5, 0x42, 0xa6, 0x58, 0x55,
|
|
0x40, 0xfd, 0x68, 0x3c, 0xbf, 0xd8, 0xc0, 0x0f,
|
|
0x12, 0x12, 0x9a, 0x28, 0x4d, 0xea, 0xcc, 0x4c,
|
|
0xde, 0xfe, 0x58, 0xbe, 0x71, 0x37, 0x54, 0x1c,
|
|
0x04, 0x71, 0x26, 0xc8, 0xd4, 0x9e, 0x27, 0x55,
|
|
0xab, 0x18, 0x1a, 0xb7, 0xe9, 0x40, 0xb0, 0xc0,
|
|
},
|
|
},
|
|
};
|
|
|
|
#define N_RC4_TESTS (sizeof(rc4_tests) / sizeof(rc4_tests[0]))
|
|
|
|
static int
|
|
rc4_test(void)
|
|
{
|
|
const struct rc4_test *rt;
|
|
RC4_KEY key;
|
|
EVP_CIPHER_CTX *ctx = NULL;
|
|
const EVP_CIPHER *cipher;
|
|
uint8_t out[512];
|
|
int in_len, out_len, total_len;
|
|
size_t i;
|
|
int j;
|
|
int failed = 1;
|
|
|
|
if ((ctx = EVP_CIPHER_CTX_new()) == NULL) {
|
|
fprintf(stderr, "FAIL: EVP_CIPHER_CTX_new() failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
for (i = 0; i < N_RC4_TESTS; i++) {
|
|
rt = &rc4_tests[i];
|
|
|
|
/* Encryption */
|
|
memset(out, 0, sizeof(out));
|
|
RC4_set_key(&key, rt->key_len, rt->key);
|
|
RC4(&key, rt->len, rt->in, out);
|
|
|
|
if (memcmp(rt->out, out, rt->len) != 0) {
|
|
fprintf(stderr, "FAIL: encryption mismatch\n");
|
|
goto failed;
|
|
}
|
|
|
|
/* Decryption */
|
|
memset(out, 0, sizeof(out));
|
|
RC4_set_key(&key, rt->key_len, rt->key);
|
|
RC4(&key, rt->len, rt->out, out);
|
|
|
|
if (memcmp(rt->in, out, rt->len) != 0) {
|
|
fprintf(stderr, "FAIL: decryption mismatch\n");
|
|
goto failed;
|
|
}
|
|
|
|
/*
|
|
* EVP tests
|
|
*/
|
|
if (rt->key_len == 5) {
|
|
cipher = EVP_rc4_40();
|
|
} else if (rt->key_len == 16) {
|
|
cipher = EVP_rc4();
|
|
} else {
|
|
/* EVP does not support this key length */
|
|
continue;
|
|
}
|
|
|
|
/* EVP encryption */
|
|
total_len = 0;
|
|
memset(out, 0, sizeof(out));
|
|
if (!EVP_EncryptInit(ctx, cipher, rt->key, NULL)) {
|
|
fprintf(stderr, "FAIL: EVP_EncryptInit failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
for (j = 0; j < rt->len;) {
|
|
in_len = arc4random_uniform(rt->len / 2);
|
|
if (in_len > rt->len - j)
|
|
in_len = rt->len - j;
|
|
|
|
if (!EVP_EncryptUpdate(ctx, out + total_len, &out_len,
|
|
rt->in + j, in_len)) {
|
|
fprintf(stderr,
|
|
"FAIL: EVP_EncryptUpdate failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
j += in_len;
|
|
total_len += out_len;
|
|
}
|
|
|
|
if (!EVP_EncryptFinal_ex(ctx, out + total_len, &out_len)) {
|
|
fprintf(stderr, "FAIL: EVP_EncryptFinal_ex failed\n");
|
|
goto failed;
|
|
}
|
|
total_len += out_len;
|
|
|
|
if (!EVP_CIPHER_CTX_reset(ctx)) {
|
|
fprintf(stderr, "FAIL: EVP_CIPHER_CTX_reset failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
if (total_len != rt->len) {
|
|
fprintf(stderr,
|
|
"FAIL: EVP encryption length mismatch\n");
|
|
goto failed;
|
|
}
|
|
|
|
if (memcmp(rt->out, out, rt->len) != 0) {
|
|
fprintf(stderr, "FAIL: EVP encryption mismatch\n");
|
|
goto failed;
|
|
}
|
|
|
|
/* EVP decryption */
|
|
total_len = 0;
|
|
memset(out, 0, sizeof(out));
|
|
if (!EVP_DecryptInit(ctx, cipher, rt->key, NULL)) {
|
|
fprintf(stderr, "FAIL: EVP_DecryptInit failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
for (j = 0; j < rt->len;) {
|
|
in_len = arc4random_uniform(rt->len / 2);
|
|
if (in_len > rt->len - j)
|
|
in_len = rt->len - j;
|
|
|
|
if (!EVP_DecryptUpdate(ctx, out + total_len, &out_len,
|
|
rt->in + j, in_len)) {
|
|
fprintf(stderr,
|
|
"FAIL: EVP_DecryptUpdate failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
j += in_len;
|
|
total_len += out_len;
|
|
}
|
|
|
|
if (!EVP_DecryptFinal_ex(ctx, out + total_len, &out_len)) {
|
|
fprintf(stderr, "FAIL: EVP_DecryptFinal_ex failed\n");
|
|
goto failed;
|
|
}
|
|
total_len += out_len;
|
|
|
|
if (!EVP_CIPHER_CTX_reset(ctx)) {
|
|
fprintf(stderr, "FAIL: EVP_CIPHER_CTX_reset failed\n");
|
|
goto failed;
|
|
}
|
|
|
|
if (total_len != rt->len) {
|
|
fprintf(stderr,
|
|
"FAIL: EVP decryption length mismatch\n");
|
|
goto failed;
|
|
}
|
|
|
|
if (memcmp(rt->out, out, rt->len) != 0) {
|
|
fprintf(stderr, "FAIL: EVP decryption mismatch\n");
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
failed = 0;
|
|
|
|
failed:
|
|
EVP_CIPHER_CTX_free(ctx);
|
|
return failed;
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
int failed = 0;
|
|
|
|
failed |= rc4_test();
|
|
|
|
return failed;
|
|
}
|