/*      $OpenBSD: bf_test.c,v 1.2 2022/11/07 23:04:25 joshua Exp $ */
/*
 * Copyright (c) 2022 Joshua Sing <joshua@hypera.dev>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <openssl/evp.h>
#include <openssl/blowfish.h>

#include <stdint.h>
#include <string.h>

struct bf_test {
        const int mode;
        const uint8_t key[64];
        const int key_len;
        const uint8_t iv[64];
        const int iv_len;
        const uint8_t in[64];
        const int in_len;
        const uint8_t out[64];
        const int out_len;
        const int padding;
};

static const struct bf_test bf_tests[] = {
        /*
         * ECB - Test vectors from
         * https://www.schneier.com/wp-content/uploads/2015/12/vectors-2.txt
         */
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 8,
                .out = {
                        0x4E, 0xF9, 0x97, 0x45, 0x61, 0x98, 0xDD, 0x78,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                },
                .key_len = 8,
                .in = {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                },
                .in_len = 8,
                .out = {
                        0x51, 0x86, 0x6F, 0xD5, 0xB8, 0x5E, 0xCB, 0x8A,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .in = {
                        0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
                },
                .in_len = 8,
                .out = {
                        0x7D, 0x85, 0x6F, 0x9A, 0x61, 0x30, 0x63, 0xF2,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
                },
                .key_len = 8,
                .in = {
                        0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
                },
                .in_len = 8,
                .out = {
                        0x24, 0x66, 0xDD, 0x87, 0x8B, 0x96, 0x3C, 0x9D,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .key_len = 8,
                .in = {
                        0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
                },
                .in_len = 8,
                .out = {
                        0x61, 0xF9, 0xC3, 0x80, 0x22, 0x81, 0xB0, 0x96,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11,
                },
                .key_len = 8,
                .in = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .in_len = 8,
                .out = {
                        0x7D, 0x0C, 0xC6, 0x30, 0xAF, 0xDA, 0x1E, 0xC7,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10
                },
                .key_len = 8,
                .in = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .in_len = 8,
                .out = {
                        0x0A, 0xCE, 0xAB, 0x0F, 0xC6, 0xA0, 0xA2, 0x8D,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x7C, 0xA1, 0x10, 0x45, 0x4A, 0x1A, 0x6E, 0x57,
                },
                .key_len = 8,
                .in = {
                        0x01, 0xA1, 0xD6, 0xD0, 0x39, 0x77, 0x67, 0x42,
                },
                .in_len = 8,
                .out = {
                        0x59, 0xC6, 0x82, 0x45, 0xEB, 0x05, 0x28, 0x2B,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x31, 0xD9, 0x61, 0x9D, 0xC1, 0x37, 0x6E,
                },
                .key_len = 8,
                .in = {
                        0x5C, 0xD5, 0x4C, 0xA8, 0x3D, 0xEF, 0x57, 0xDA,
                },
                .in_len = 8,
                .out = {
                        0xB1, 0xB8, 0xCC, 0x0B, 0x25, 0x0F, 0x09, 0xA0,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x07, 0xA1, 0x13, 0x3E, 0x4A, 0x0B, 0x26, 0x86,
                },
                .key_len = 8,
                .in = {
                        0x02, 0x48, 0xD4, 0x38, 0x06, 0xF6, 0x71, 0x72,
                },
                .in_len = 8,
                .out = {
                        0x17, 0x30, 0xE5, 0x77, 0x8B, 0xEA, 0x1D, 0xA4,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x38, 0x49, 0x67, 0x4C, 0x26, 0x02, 0x31, 0x9E,
                },
                .key_len = 8,
                .in = {
                        0x51, 0x45, 0x4B, 0x58, 0x2D, 0xDF, 0x44, 0x0A,
                },
                .in_len = 8,
                .out = {
                        0xA2, 0x5E, 0x78, 0x56, 0xCF, 0x26, 0x51, 0xEB,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x04, 0xB9, 0x15, 0xBA, 0x43, 0xFE, 0xB5, 0xB6,
                },
                .key_len = 8,
                .in = {
                        0x42, 0xFD, 0x44, 0x30, 0x59, 0x57, 0x7F, 0xA2,
                },
                .in_len = 8,
                .out = {
                        0x35, 0x38, 0x82, 0xB1, 0x09, 0xCE, 0x8F, 0x1A,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x13, 0xB9, 0x70, 0xFD, 0x34, 0xF2, 0xCE,
                },
                .key_len = 8,
                .in = {
                        0x05, 0x9B, 0x5E, 0x08, 0x51, 0xCF, 0x14, 0x3A,
                },
                .in_len = 8,
                .out = {
                        0x48, 0xF4, 0xD0, 0x88, 0x4C, 0x37, 0x99, 0x18,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x70, 0xF1, 0x75, 0x46, 0x8F, 0xB5, 0xE6,
                },
                .key_len = 8,
                .in = {
                        0x07, 0x56, 0xD8, 0xE0, 0x77, 0x47, 0x61, 0xD2,
                },
                .in_len = 8,
                .out = {
                        0x43, 0x21, 0x93, 0xB7, 0x89, 0x51, 0xFC, 0x98,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x43, 0x29, 0x7F, 0xAD, 0x38, 0xE3, 0x73, 0xFE,
                },
                .key_len = 8,
                .in = {
                        0x76, 0x25, 0x14, 0xB8, 0x29, 0xBF, 0x48, 0x6A,
                },
                .in_len = 8,
                .out = {
                        0x13, 0xF0, 0x41, 0x54, 0xD6, 0x9D, 0x1A, 0xE5,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x07, 0xA7, 0x13, 0x70, 0x45, 0xDA, 0x2A, 0x16,
                },
                .key_len = 8,
                .in = {
                        0x3B, 0xDD, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02,
                },
                .in_len = 8,
                .out = {
                        0x2E, 0xED, 0xDA, 0x93, 0xFF, 0xD3, 0x9C, 0x79,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x04, 0x68, 0x91, 0x04, 0xC2, 0xFD, 0x3B, 0x2F,
                },
                .key_len = 8,
                .in = {
                        0x26, 0x95, 0x5F, 0x68, 0x35, 0xAF, 0x60, 0x9A,
                },
                .in_len = 8,
                .out = {
                        0xD8, 0x87, 0xE0, 0x39, 0x3C, 0x2D, 0xA6, 0xE3,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x37, 0xD0, 0x6B, 0xB5, 0x16, 0xCB, 0x75, 0x46,
                },
                .key_len = 8,
                .in = {
                        0x16, 0x4D, 0x5E, 0x40, 0x4F, 0x27, 0x52, 0x32,
                },
                .in_len = 8,
                .out = {
                        0x5F, 0x99, 0xD0, 0x4F, 0x5B, 0x16, 0x39, 0x69,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x1F, 0x08, 0x26, 0x0D, 0x1A, 0xC2, 0x46, 0x5E,
                },
                .key_len = 8,
                .in = {
                        0x6B, 0x05, 0x6E, 0x18, 0x75, 0x9F, 0x5C, 0xCA,
                },
                .in_len = 8,
                .out = {
                        0x4A, 0x05, 0x7A, 0x3B, 0x24, 0xD3, 0x97, 0x7B,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x58, 0x40, 0x23, 0x64, 0x1A, 0xBA, 0x61, 0x76,
                },
                .key_len = 8,
                .in = {
                        0x00, 0x4B, 0xD6, 0xEF, 0x09, 0x17, 0x60, 0x62,
                },
                .in_len = 8,
                .out = {
                        0x45, 0x20, 0x31, 0xC1, 0xE4, 0xFA, 0xDA, 0x8E,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xB0, 0x07,
                },
                .key_len = 8,
                .in = {
                        0x48, 0x0D, 0x39, 0x00, 0x6E, 0xE7, 0x62, 0xF2,
                },
                .in_len = 8,
                .out = {
                        0x75, 0x55, 0xAE, 0x39, 0xF5, 0x9B, 0x87, 0xBD,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x49, 0x79, 0x3E, 0xBC, 0x79, 0xB3, 0x25, 0x8F,
                },
                .key_len = 8,
                .in = {
                        0x43, 0x75, 0x40, 0xC8, 0x69, 0x8F, 0x3C, 0xFA,
                },
                .in_len = 8,
                .out = {
                        0x53, 0xC5, 0x5F, 0x9C, 0xB4, 0x9F, 0xC0, 0x19,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x4F, 0xB0, 0x5E, 0x15, 0x15, 0xAB, 0x73, 0xA7,
                },
                .key_len = 8,
                .in = {
                        0x07, 0x2D, 0x43, 0xA0, 0x77, 0x07, 0x52, 0x92,
                },
                .in_len = 8,
                .out = {
                        0x7A, 0x8E, 0x7B, 0xFA, 0x93, 0x7E, 0x89, 0xA3,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x49, 0xE9, 0x5D, 0x6D, 0x4C, 0xA2, 0x29, 0xBF,
                },
                .key_len = 8,
                .in = {
                        0x02, 0xFE, 0x55, 0x77, 0x81, 0x17, 0xF1, 0x2A,
                },
                .in_len = 8,
                .out = {
                        0xCF, 0x9C, 0x5D, 0x7A, 0x49, 0x86, 0xAD, 0xB5,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x83, 0x10, 0xDC, 0x40, 0x9B, 0x26, 0xD6,
                },
                .key_len = 8,
                .in = {
                        0x1D, 0x9D, 0x5C, 0x50, 0x18, 0xF7, 0x28, 0xC2,
                },
                .in_len = 8,
                .out = {
                        0xD1, 0xAB, 0xB2, 0x90, 0x65, 0x8B, 0xC7, 0x78,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x1C, 0x58, 0x7F, 0x1C, 0x13, 0x92, 0x4F, 0xEF,
                },
                .key_len = 8,
                .in = {
                        0x30, 0x55, 0x32, 0x28, 0x6D, 0x6F, 0x29, 0x5A,
                },
                .in_len = 8,
                .out = {
                        0x55, 0xCB, 0x37, 0x74, 0xD1, 0x3E, 0xF2, 0x01,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
                },
                .key_len = 8,
                .in = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .in_len = 8,
                .out = {
                        0xFA, 0x34, 0xEC, 0x48, 0x47, 0xB2, 0x68, 0xB2,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E,
                },
                .key_len = 8,
                .in = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .in_len = 8,
                .out = {
                        0xA7, 0x90, 0x79, 0x51, 0x08, 0xEA, 0x3C, 0xAE,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE,
                },
                .key_len = 8,
                .in = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .in_len = 8,
                .out = {
                        0xC3, 0x9E, 0x07, 0x2D, 0x9F, 0xAC, 0x63, 0x1D,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .in = {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                },
                .in_len = 8,
                .out = {
                        0x01, 0x49, 0x33, 0xE0, 0xCD, 0xAF, 0xF6, 0xE4,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                },
                .key_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 8,
                .out = {
                        0xF2, 0x1E, 0x9A, 0x77, 0xB7, 0x1C, 0x49, 0xBC,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                },
                .key_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 8,
                .out = {
                        0x24, 0x59, 0x46, 0x88, 0x57, 0x54, 0x36, 0x9A,
                },
                .out_len = 8,
        },
        {
                .mode = NID_bf_ecb,
                .key = {
                        0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
                },
                .key_len = 8,
                .in = {
                        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
                },
                .in_len = 8,
                .out = {
                        0x6B, 0x5C, 0x5A, 0x9C, 0x5D, 0x9E, 0x0A, 0x5A,
                },
                .out_len = 8,
        },

        /*
         * CBC - Test vector from
         * https://www.schneier.com/wp-content/uploads/2015/12/vectors-2.txt
         */
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
                        0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87,
                },
                .key_len = 16,
                .iv = {
                        0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
                },
                .iv_len = 8,
                .in = {
                        0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x20,
                        0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74,
                        0x68, 0x65, 0x20, 0x74, 0x69, 0x6D, 0x65, 0x20,
                        0x66, 0x6F, 0x72, 0x20, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 32,
                .out = {
                        0x6B, 0x77, 0xB4, 0xD6, 0x30, 0x06, 0xDE, 0xE6,
                        0x05, 0xB1, 0x56, 0xE2, 0x74, 0x03, 0x97, 0x93,
                        0x58, 0xDE, 0xB9, 0xE7, 0x15, 0x46, 0x16, 0xD9,
                        0x59, 0xF1, 0x65, 0x2B, 0xD5, 0xFF, 0x92, 0xCC,
                },
                .out_len = 32,
                .padding = 0,
        },

        /* CBC (generated using https://github.com/joshuasing/libressl-test-gen) */
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0xb9, 0x95, 0xf2, 0x4d, 0xdf, 0xe8, 0x7b, 0xf0,
                        0x05, 0x3c, 0x33, 0x39, 0x43, 0x35, 0x83, 0x62,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .in_len = 16,
                .out = {
                        0x86, 0x6f, 0x5e, 0x72, 0xe5, 0x9a, 0x19, 0x51,
                        0x56, 0xf3, 0x2f, 0x5e, 0x95, 0xfb, 0xd6, 0x52,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
                        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
                },
                .in_len = 32,
                .out = {
                        0xb9, 0x95, 0xf2, 0x4d, 0xdf, 0xe8, 0x7b, 0xf0,
                        0x00, 0xf6, 0x2e, 0xf6, 0x6a, 0x03, 0x2d, 0x40,
                        0x9c, 0xc9, 0x06, 0x31, 0x67, 0x7f, 0x6e, 0x24,
                        0xeb, 0x2d, 0x3b, 0x02, 0xa3, 0x53, 0x52, 0xe9,
                },
                .out_len = 32,
        },
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                        0x8b, 0xa5, 0x5d, 0x18, 0x27, 0x44, 0x9c, 0xd3,
                },
                .out_len = 24,
                .padding = 1,
        },
        {
                .mode = NID_bf_cbc,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 12,
                .out = {
                        0xc0, 0x1f, 0xae, 0x76, 0x86, 0x86, 0xe7, 0xb7,
                        0x3b, 0x0d, 0xd9, 0x72, 0x33, 0x2b, 0x38, 0x5d,
                },
                .out_len = 16,
                .padding = 1,
        },

        /* CFB64 (generated using https://github.com/joshuasing/libressl-test-gen) */
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0xb9, 0x95, 0xf2, 0x4d, 0xdf, 0xe8, 0x7b, 0xf0,
                        0x05, 0x3c, 0x33, 0x39, 0x43, 0x35, 0x83, 0x62,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .in_len = 16,
                .out = {
                        0xb9, 0x94, 0xf0, 0x4e, 0xdb, 0xed, 0x7d, 0xf7,
                        0x0a, 0xf8, 0x96, 0xbf, 0x4d, 0x3c, 0x95, 0xdf,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
                        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
                },
                .in_len = 32,
                .out = {
                        0x86, 0x6e, 0x5c, 0x71, 0xe1, 0x9f, 0x1f, 0x56,
                        0x1f, 0x02, 0xaa, 0x8c, 0x09, 0xe0, 0x61, 0x43,
                        0x91, 0x8d, 0xd2, 0x43, 0x70, 0x5d, 0xa3, 0xf1,
                        0xc7, 0x96, 0x56, 0x77, 0xfc, 0x33, 0x74, 0x9e,
                },
                .out_len = 32,
        },
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_cfb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 12,
                .out = {
                        0xc0, 0x1f, 0xae, 0x76, 0x86, 0x86, 0xe7, 0xb7,
                        0x05, 0xbb, 0xd4, 0x5e,
                },
                .out_len = 12,
        },

        /* OFB64 (generated using https://github.com/joshuasing/libressl-test-gen) */
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0xb9, 0x95, 0xf2, 0x4d, 0xdf, 0xe8, 0x7b, 0xf0,
                        0x05, 0x3c, 0x33, 0x39, 0x43, 0x35, 0x83, 0x62,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .in_len = 16,
                .out = {
                        0xb9, 0x94, 0xf0, 0x4e, 0xdb, 0xed, 0x7d, 0xf7,
                        0x0d, 0x35, 0x39, 0x32, 0x4f, 0x38, 0x8d, 0x6d,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                },
                .key_len = 16,
                .iv = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                        0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                        0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
                        0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
                },
                .in_len = 32,
                .out = {
                        0x86, 0x6e, 0x5c, 0x71, 0xe1, 0x9f, 0x1f, 0x56,
                        0xbb, 0xcb, 0xd9, 0x35, 0x81, 0x57, 0xea, 0xb9,
                        0xd7, 0x85, 0x28, 0x4a, 0xdc, 0xeb, 0x94, 0x99,
                        0xf0, 0x87, 0x7c, 0x5a, 0x56, 0x60, 0xc7, 0x60,
                },
                .out_len = 32,
        },
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 16,
                .out = {
                        0x4e, 0xf9, 0x97, 0x45, 0x61, 0x98, 0xdd, 0x78,
                        0xe1, 0xc0, 0x30, 0xe7, 0x4c, 0x14, 0xd2, 0x61,
                },
                .out_len = 16,
        },
        {
                .mode = NID_bf_ofb64,
                .key = {
                        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                },
                .key_len = 8,
                .iv = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                },
                .iv_len = 8,
                .in = {
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00,
                },
                .in_len = 12,
                .out = {
                        0xc0, 0x1f, 0xae, 0x76, 0x86, 0x86, 0xe7, 0xb7,
                        0x05, 0xbb, 0xd4, 0x5e,
                },
                .out_len = 12,
        },
};

#define N_BF_TESTS (sizeof(bf_tests) / sizeof(bf_tests[0]))

static int
bf_ecb_test(size_t test_number, const struct bf_test *bt)
{
        BF_KEY key;
        uint8_t out[8];

        if (bt->padding) {
                /* XXX - Handle padding */
                return 1;
        }

        /* Encryption */
        memset(out, 0, sizeof(out));
        BF_set_key(&key, bt->key_len, bt->key);
        BF_ecb_encrypt(bt->in, out, &key, 1);

        if (memcmp(bt->out, out, bt->out_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): encryption mismatch\n",
                    SN_bf_ecb, test_number);
                return 0;
        }

        /* Decryption */
        memset(out, 0, sizeof(out));
        BF_set_key(&key, bt->key_len, bt->key);
        BF_ecb_encrypt(bt->out, out, &key, 0);

        if (memcmp(bt->in, out, bt->in_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): decryption mismatch\n",
                    SN_bf_ecb, test_number);
                return 0;
        }

        return 1;
}

static int
bf_cbc_test(size_t test_number, const struct bf_test *bt)
{
        BF_KEY key;
        uint8_t out[512];
        uint8_t iv[64];

        if (bt->padding) {
                /* XXX - Handle padding */
                return 1;
        }

        /* Encryption */
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_cbc_encrypt(bt->in, out, bt->in_len, &key, iv, 1);

        if (memcmp(bt->out, out, bt->out_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): encryption mismatch\n",
                    SN_bf_cbc, test_number);
                return 0;
        }

        /* Decryption */
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_cbc_encrypt(bt->out, out, bt->out_len, &key, iv, 0);

        if (memcmp(bt->in, out, bt->in_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): decryption mismatch\n",
                    SN_bf_cbc, test_number);
                return 0;
        }

        return 1;
}

static int
bf_cfb64_test(size_t test_number, const struct bf_test *bt)
{
        BF_KEY key;
        uint8_t out[512];
        uint8_t iv[64];
        int remainder = 0;

        if (bt->padding) {
                /* XXX - Handle padding */
                return 1;
        }

        /* Encryption */
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_cfb64_encrypt(bt->in, out, bt->in_len * 8, &key, iv, &remainder, 1);

        if (memcmp(bt->out, out, bt->out_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): encryption mismatch\n",
                    SN_bf_cfb64, test_number);
                return 0;
        }

        /* Decryption */
        remainder = 0;
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_cfb64_encrypt(bt->out, out, bt->out_len, &key, iv, &remainder, 0);

        if (memcmp(bt->in, out, bt->in_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): decryption mismatch\n",
                    SN_bf_cfb64, test_number);
                return 0;
        }

        return 1;
}

static int
bf_ofb64_test(size_t test_number, const struct bf_test *bt)
{
        BF_KEY key;
        uint8_t out[512];
        uint8_t iv[64];
        int remainder = 0;

        if (bt->padding) {
                /* XXX - Handle padding */
                return 1;
        }

        /* Encryption */
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_ofb64_encrypt(bt->in, out, bt->in_len, &key, iv, &remainder);

        if (memcmp(bt->out, out, bt->out_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): encryption mismatch\n",
                    SN_bf_ofb64, test_number);
                return 0;
        }

        /* Decryption */
        remainder = 0;
        memset(out, 0, sizeof(out));
        memcpy(iv, bt->iv, bt->iv_len);
        BF_set_key(&key, bt->key_len, bt->key);
        BF_ofb64_encrypt(bt->out, out, bt->out_len, &key, iv, &remainder);

        if (memcmp(bt->in, out, bt->in_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): decryption mismatch\n",
                    SN_bf_ofb64, test_number);
                return 0;
        }

        return 1;
}

static int
bf_evp_test(size_t test_number, const struct bf_test *bt, const char *label,
    const EVP_CIPHER *cipher)
{
        EVP_CIPHER_CTX *ctx;
        uint8_t out[512];
        int in_len, out_len, total_len;
        int i;
        int success = 0;

        if ((ctx = EVP_CIPHER_CTX_new()) == NULL) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_CIPHER_CTX_new failed\n",
                    label, test_number);
                goto failed;
        }

        /* EVP encryption */
        total_len = 0;
        memset(out, 0, sizeof(out));
        if (!EVP_EncryptInit(ctx, cipher, NULL, NULL)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_EncryptInit failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_CIPHER_CTX_set_key_length(ctx, bt->key_len)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_set_key_length failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_CIPHER_CTX_set_padding(ctx, bt->padding)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_set_padding failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_EncryptInit(ctx, NULL, bt->key, bt->iv)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_EncryptInit failed\n",
                    label, test_number);
                goto failed;
        }

        for (i = 0; i < bt->in_len;) {
                in_len = arc4random_uniform(bt->in_len / 2);
                if (in_len > bt->in_len - i)
                        in_len = bt->in_len - i;

                if (!EVP_EncryptUpdate(ctx, out + total_len, &out_len,
                    bt->in + i, in_len)) {
                        fprintf(stderr,
                            "FAIL (%s:%zu): EVP_EncryptUpdate failed\n",
                            label, test_number);
                        goto failed;
                }

                i += in_len;
                total_len += out_len;
        }

        if (!EVP_EncryptFinal_ex(ctx, out + total_len, &out_len)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_EncryptFinal_ex failed\n",
                    label, test_number);
                goto failed;
        }
        total_len += out_len;

        if (!EVP_CIPHER_CTX_reset(ctx)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_reset failed\n",
                    label, test_number);
                goto failed;
        }

        if (total_len != bt->out_len) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP encryption length mismatch "
                    "(%d != %d)\n", label, test_number, total_len, bt->out_len);
                goto failed;
        }

        if (memcmp(bt->out, out, bt->out_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): EVP encryption mismatch\n",
                    label, test_number);
                goto failed;
        }

        /* EVP decryption */
        total_len = 0;
        memset(out, 0, sizeof(out));
        if (!EVP_DecryptInit(ctx, cipher, NULL, NULL)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_DecryptInit failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_CIPHER_CTX_set_key_length(ctx, bt->key_len)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_set_key_length failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_CIPHER_CTX_set_padding(ctx, bt->padding)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_set_padding failed\n",
                    label, test_number);
                goto failed;
        }

        if (!EVP_DecryptInit(ctx, NULL, bt->key, bt->iv)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_DecryptInit failed\n",
                    label, test_number);
                goto failed;
        }

        for (i = 0; i < bt->out_len;) {
                in_len = arc4random_uniform(bt->out_len / 2);
                if (in_len > bt->out_len - i)
                        in_len = bt->out_len - i;

                if (!EVP_DecryptUpdate(ctx, out + total_len, &out_len,
                    bt->out + i, in_len)) {
                        fprintf(stderr,
                            "FAIL (%s:%zu): EVP_DecryptUpdate failed\n",
                            label, test_number);
                        goto failed;
                }

                i += in_len;
                total_len += out_len;
        }

        if (!EVP_DecryptFinal_ex(ctx, out + total_len, &out_len)) {
                fprintf(stderr, "FAIL (%s:%zu): EVP_DecryptFinal_ex failed\n",
                    label, test_number);
                goto failed;
        }
        total_len += out_len;

        if (!EVP_CIPHER_CTX_reset(ctx)) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP_CIPHER_CTX_reset failed\n",
                    label, test_number);
                goto failed;
        }

        if (total_len != bt->in_len) {
                fprintf(stderr,
                    "FAIL (%s:%zu): EVP decryption length mismatch\n",
                    label, test_number);
                goto failed;
        }

        if (memcmp(bt->in, out, bt->in_len) != 0) {
                fprintf(stderr, "FAIL (%s:%zu): EVP decryption mismatch\n",
                    label, test_number);
                goto failed;
        }

        success = 1;

 failed:
        EVP_CIPHER_CTX_free(ctx);
        return success;
}

static int
bf_test(void)
{
        const struct bf_test *bt;
        const char *label;
        const EVP_CIPHER *cipher;
        size_t i;
        int failed = 1;

        for (i = 0; i < N_BF_TESTS; i++) {
                bt = &bf_tests[i];
                switch (bt->mode) {
                case NID_bf_ecb:
                        label = SN_bf_ecb;
                        cipher = EVP_bf_ecb();
                        if (!bf_ecb_test(i, bt))
                                goto failed;
                        break;
                case NID_bf_cbc:
                        label = SN_bf_cbc;
                        cipher = EVP_bf_cbc();
                        if (!bf_cbc_test(i, bt))
                                goto failed;
                        break;
                case NID_bf_cfb64:
                        label = SN_bf_cfb64;
                        cipher = EVP_bf_cfb64();
                        if (!bf_cfb64_test(i, bt))
                                goto failed;
                        break;
                case NID_bf_ofb64:
                        label = SN_bf_ofb64;
                        cipher = EVP_bf_ofb();
                        if (!bf_ofb64_test(i, bt))
                                goto failed;
                        break;
                default:
                        fprintf(stderr, "FAIL: unknown mode (%d)\n",
                            bt->mode);
                        goto failed;
                }

                if (!bf_evp_test(i, bt, label, cipher))
                        goto failed;
        }

        failed = 0;

 failed:
        return failed;
}

int
main(int argc, char **argv)
{
        int failed = 0;

        failed |= bf_test();

        return failed;
}