608 lines
19 KiB
C
608 lines
19 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2014
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* rsa key generator for xrdp
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*/
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/*
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references:
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http://www.securiteam.com/windowsntfocus/5EP010KG0G.html
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*/
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#if defined(HAVE_CONFIG_H)
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#include <config_ac.h>
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#endif
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#include "os_calls.h"
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#include "ssl_calls.h"
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#include "arch.h"
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#include "list.h"
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#include "file.h"
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/* this is the signature size in bytes */
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#define TSSK_KEY_LENGTH 64
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/* default to 2048 bit key size, can set changed, set */
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static int g_key_size_bits = 2048;
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static tui8 g_exponent[4] =
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{
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0x01, 0x00, 0x01, 0x00
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};
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/* 4 bytes public exponent */
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static tui8 g_ppk_e[4] =
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{
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0x5B, 0x7B, 0x88, 0xC0
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};
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/* 64 byte modulus */
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static tui8 g_ppk_n[72] = /* 64 bytes + 8 bytes pad */
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{
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0x3D, 0x3A, 0x5E, 0xBD, 0x72, 0x43, 0x3E, 0xC9,
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0x4D, 0xBB, 0xC1, 0x1E, 0x4A, 0xBA, 0x5F, 0xCB,
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0x3E, 0x88, 0x20, 0x87, 0xEF, 0xF5, 0xC1, 0xE2,
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0xD7, 0xB7, 0x6B, 0x9A, 0xF2, 0x52, 0x45, 0x95,
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0xCE, 0x63, 0x65, 0x6B, 0x58, 0x3A, 0xFE, 0xEF,
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0x7C, 0xE7, 0xBF, 0xFE, 0x3D, 0xF6, 0x5C, 0x7D,
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0x6C, 0x5E, 0x06, 0x09, 0x1A, 0xF5, 0x61, 0xBB,
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0x20, 0x93, 0x09, 0x5F, 0x05, 0x6D, 0xEA, 0x87,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/* 64 bytes private exponent */
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static tui8 g_ppk_d[108] = /* 64 bytes + 44 bytes pad */
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{
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0x87, 0xA7, 0x19, 0x32, 0xDA, 0x11, 0x87, 0x55,
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0x58, 0x00, 0x16, 0x16, 0x25, 0x65, 0x68, 0xF8,
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0x24, 0x3E, 0xE6, 0xFA, 0xE9, 0x67, 0x49, 0x94,
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0xCF, 0x92, 0xCC, 0x33, 0x99, 0xE8, 0x08, 0x60,
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0x17, 0x9A, 0x12, 0x9F, 0x24, 0xDD, 0xB1, 0x24,
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0x99, 0xC7, 0x3A, 0xB8, 0x0A, 0x7B, 0x0D, 0xDD,
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0x35, 0x07, 0x79, 0x17, 0x0B, 0x51, 0x9B, 0xB3,
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0xC7, 0x10, 0x01, 0x13, 0xE7, 0x3F, 0xF3, 0x5F,
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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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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00
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};
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/* 512 bit proprietary certificate
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dwVersion 0 4 bytes always 0x00000001
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dwSigAlgId 4 4 bytes always 0x00000001
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dwKeyAlgId 8 4 bytes always 0x00000001
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wPublicKeyBlobType 12 2 bytes always 0x0006
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wPublicKeyBlobLen 14 2 bytes 0x005C 92 bytes
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magic 16 4 bytes always 0x31415352
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keylen 20 4 bytes 0x0048 72 bytes
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bitlen 24 4 bytes 0x0200 512 bits
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datalen 28 4 bytes 0x003F 63 bytes
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pubExp 32 4 bytes 0x00010001
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modulus 36 72 bytes
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wSignatureBlobType 108 2 bytes always 0x0008
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wSignatureBlobLen 110 2 bytes 0x0048 72 bytes
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SignatureBlob 112 72 bytes */
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static tui8 g_testkey512[184] = /* 512 bit test key */
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{
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0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, /* 0 */
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0x01, 0x00, 0x00, 0x00, 0x06, 0x00, 0x5c, 0x00,
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0x52, 0x53, 0x41, 0x31, 0x48, 0x00, 0x00, 0x00,
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0x00, 0x02, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x01, 0x00, 0x79, 0x6f, 0xb4, 0xdf, /* 32 */
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0xa6, 0x95, 0xb9, 0xa9, 0x61, 0xe3, 0xc4, 0x5e,
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0xff, 0x6b, 0xd8, 0x81, 0x8a, 0x12, 0x4a, 0x93,
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0x42, 0x97, 0x18, 0x93, 0xac, 0xd1, 0x3a, 0x38,
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0x3c, 0x68, 0x50, 0x19, 0x31, 0xb6, 0x84, 0x51, /* 64 */
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0x79, 0xfb, 0x1c, 0xe7, 0xe3, 0x99, 0x20, 0xc7,
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0x84, 0xdf, 0xd1, 0xaa, 0xb5, 0x15, 0xef, 0x47,
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0x7e, 0xfc, 0x88, 0xeb, 0x29, 0xc3, 0x27, 0x5a,
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0x35, 0xf8, 0xfd, 0xaa, 0x00, 0x00, 0x00, 0x00, /* 96 */
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0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x48, 0x00,
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0x32, 0x3b, 0xde, 0x6f, 0x18, 0x97, 0x1e, 0xc3,
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0x6b, 0x2b, 0x2d, 0xe4, 0xfc, 0x2d, 0xa2, 0x8e,
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0x32, 0x3c, 0xf3, 0x1b, 0x24, 0x90, 0x57, 0x4d, /* 128 */
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0x8e, 0xe4, 0x69, 0xfc, 0x16, 0x8d, 0x41, 0x92,
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0x78, 0xc7, 0x9c, 0xb4, 0x26, 0xff, 0xe8, 0x3e,
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0xa1, 0x8a, 0xf5, 0x57, 0xc0, 0x7f, 0x3e, 0x21,
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0x17, 0x32, 0x30, 0x6f, 0x79, 0xe1, 0x36, 0xcd, /* 160 */
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0xb6, 0x8e, 0xbe, 0x57, 0x57, 0xd2, 0xa9, 0x36,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/* 2048 bit proprietary certificate
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dwVersion 0 4 bytes always 0x00000001
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dwSigAlgId 4 4 bytes always 0x00000001
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dwKeyAlgId 8 4 bytes always 0x00000001
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wPublicKeyBlobType 12 2 bytes always 0x0006
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wPublicKeyBlobLen 14 2 bytes 0x011C 284 bytes
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magic 16 4 bytes always 0x31415352
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keylen 20 4 bytes 0x0108 264 bytes
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bitlen 24 4 bytes 0x0800 2048 bits
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datalen 28 4 bytes 0x00FF 255 bytes
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pubExp 32 4 bytes 0x00010001
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modulus 36 264 bytes
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wSignatureBlobType 300 2 bytes always 0x0008
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wSignatureBlobLen 302 2 bytes 0x0048 72 bytes
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SignatureBlob 304 72 bytes */
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static tui8 g_testkey2048[376] = /* 2048 bit test key */
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{
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0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, /* 0 */
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0x01, 0x00, 0x00, 0x00, 0x06, 0x00, 0x1c, 0x01,
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0x52, 0x53, 0x41, 0x31, 0x08, 0x01, 0x00, 0x00,
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0x00, 0x08, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x01, 0x00, 0x13, 0x77, 0x6d, 0xd8, /* 32 */
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0x7b, 0x6e, 0x6f, 0xb4, 0x27, 0x6d, 0x70, 0x3a,
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0x97, 0x5f, 0xcb, 0x50, 0x9b, 0x13, 0x6b, 0xc7,
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0xba, 0xdf, 0x73, 0x54, 0x17, 0x35, 0xf0, 0x09,
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0x9e, 0x9d, 0x0b, 0x6a, 0x2c, 0x9f, 0xd1, 0x0c, /* 64 */
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0xc6, 0x47, 0x83, 0xde, 0xca, 0x90, 0x20, 0xac,
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0x70, 0x63, 0x9b, 0xb7, 0x49, 0x07, 0x0b, 0xf5,
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0xf2, 0x38, 0x2a, 0x40, 0xff, 0xf1, 0xba, 0x97,
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0x79, 0x3e, 0xd4, 0xd1, 0xf3, 0x41, 0x0f, 0x91, /* 96 */
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0xfe, 0x1a, 0x86, 0xf4, 0x1b, 0xef, 0xcc, 0x29,
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0xa3, 0x35, 0x6f, 0x60, 0xfa, 0x98, 0x53, 0x51,
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0x80, 0x57, 0x15, 0x2f, 0xe1, 0x8b, 0xd7, 0x86,
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0x15, 0x2d, 0xb5, 0xec, 0x7a, 0xdd, 0xc5, 0x1d, /* 128 */
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0x1b, 0x88, 0x53, 0x67, 0x86, 0xe1, 0x6e, 0xcd,
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0x4e, 0x2e, 0xfd, 0xd2, 0x49, 0x04, 0xfb, 0x1d,
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0x95, 0xf0, 0xe9, 0x7f, 0x97, 0xa3, 0x1b, 0xb2,
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0x92, 0x2e, 0x62, 0x2a, 0x96, 0xd4, 0xea, 0x18, /* 160 */
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0x8e, 0x99, 0x41, 0xea, 0x83, 0xb5, 0xf1, 0x0e,
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0xea, 0x53, 0x70, 0x99, 0xd7, 0x9e, 0x0c, 0x65,
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0x2b, 0xf4, 0xdc, 0x0e, 0xe7, 0x9e, 0xce, 0x04,
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0x25, 0x01, 0x88, 0xc4, 0xc1, 0xd2, 0xa4, 0x18, /* 192 */
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0xc2, 0x8a, 0x52, 0x0f, 0x01, 0xb2, 0x71, 0x30,
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0x44, 0x3f, 0x5b, 0x11, 0x2e, 0xe7, 0x53, 0xa0,
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0xc8, 0x1f, 0x77, 0xaf, 0xb5, 0xbb, 0xaf, 0x12,
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0xe8, 0x19, 0x0c, 0xf6, 0x1f, 0xa8, 0x3e, 0x11, /* 224 */
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0x34, 0xe4, 0xac, 0x1c, 0x1c, 0x00, 0xbb, 0xb9,
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0x2f, 0xbb, 0x81, 0x76, 0x4e, 0x46, 0xda, 0x73,
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0x00, 0x82, 0x71, 0xa4, 0x62, 0xc3, 0xd4, 0x3f,
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0xda, 0x34, 0x54, 0x27, 0xe3, 0xd0, 0x3a, 0x73, /* 256 */
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0x2f, 0x99, 0xc4, 0x91, 0x56, 0x12, 0x98, 0xa8,
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0x3b, 0x8d, 0x61, 0x83, 0x62, 0xb7, 0x20, 0x61,
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0x4d, 0xc9, 0x41, 0xd1, 0x40, 0x02, 0x11, 0x4b,
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0x63, 0x46, 0xc7, 0xc1, 0x00, 0x00, 0x00, 0x00, /* 288 */
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0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x48, 0x00,
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0x00, 0x50, 0xb7, 0x75, 0xf3, 0x77, 0x99, 0xb2,
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0xd3, 0xdd, 0xcd, 0x83, 0x6e, 0xdb, 0x0a, 0x29,
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0x88, 0x05, 0xb5, 0x8a, 0x49, 0xd5, 0xa8, 0x5a, /* 320 */
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0xc3, 0xb7, 0x18, 0xc2, 0x3c, 0x1e, 0xde, 0xd3,
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0x8f, 0xdd, 0x21, 0x27, 0x84, 0xa0, 0xc8, 0x8d,
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0x65, 0xce, 0x5d, 0x3d, 0x46, 0x65, 0x88, 0xfc,
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0x35, 0x0a, 0x04, 0xa0, 0xda, 0xc1, 0xab, 0xbf, /* 352 */
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0xcd, 0xf1, 0x7e, 0x71, 0x7b, 0xf8, 0x4a, 0x78,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/*****************************************************************************/
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static int APP_CC
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out_params(void)
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{
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g_writeln("%s", "");
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g_writeln("xrdp rsa key gen utility examples");
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g_writeln(" xrdp-keygen xrdp ['path and file name' | auto] [512 or 2048]");
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g_writeln(" xrdp-keygen test");
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g_writeln("%s", "");
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return 0;
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}
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/*****************************************************************************/
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/* this is the special key signing algorithm */
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static int APP_CC
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sign_key(const char *e_data, int e_len, const char *n_data, int n_len,
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char *sign_data, int sign_len)
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{
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char *key;
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char *md5_final;
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void *md5;
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if ((e_len != 4) || ((n_len != 64) && (n_len != 256)) || (sign_len != 64))
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{
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return 1;
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}
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if (n_len == 64)
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{
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key = (char *)g_malloc(184, 0);
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md5_final = (char *)g_malloc(64, 0);
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md5 = ssl_md5_info_create();
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/* copy the test key */
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g_memcpy(key, g_testkey512, 184);
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/* replace e and n */
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g_memcpy(key + 32, e_data, e_len);
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g_memcpy(key + 36, n_data, n_len);
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ssl_md5_clear(md5);
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/* the first 108 bytes */
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ssl_md5_transform(md5, key, 108);
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/* set the whole thing with 0xff */
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g_memset(md5_final, 0xff, 64);
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/* digest 16 bytes */
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ssl_md5_complete(md5, md5_final);
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/* set non 0xff array items */
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md5_final[16] = 0;
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md5_final[62] = 1;
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md5_final[63] = 0;
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/* encrypt */
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ssl_mod_exp(sign_data, sign_len, md5_final, 64, (char *)g_ppk_n, 64,
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(char *)g_ppk_d, 64);
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/* cleanup */
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ssl_md5_info_delete(md5);
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g_free(key);
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g_free(md5_final);
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}
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else if (n_len == 256)
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{
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key = (char *)g_malloc(376, 0);
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md5_final = (char *)g_malloc(64, 0);
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md5 = ssl_md5_info_create();
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/* copy the test key */
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g_memcpy(key, g_testkey2048, 376);
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/* replace e and n */
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g_memcpy(key + 32, e_data, e_len);
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g_memcpy(key + 36, n_data, n_len);
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ssl_md5_clear(md5);
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/* the first 300 bytes */
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ssl_md5_transform(md5, key, 300);
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/* set the whole thing with 0xff */
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g_memset(md5_final, 0xff, 64);
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/* digest 16 bytes */
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ssl_md5_complete(md5, md5_final);
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/* set non 0xff array items */
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md5_final[16] = 0;
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md5_final[62] = 1;
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md5_final[63] = 0;
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/* encrypt */
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ssl_mod_exp(sign_data, sign_len, md5_final, 64, (char *)g_ppk_n, 64,
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(char *)g_ppk_d, 64);
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/* cleanup */
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ssl_md5_info_delete(md5);
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g_free(key);
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g_free(md5_final);
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}
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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write_out_line(int fd, const char *name, const char *data, int len)
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{
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int max;
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int error;
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int index;
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int data_item;
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int buf_pos;
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char *buf;
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char *text;
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text = (char *)g_malloc(256, 0);
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max = len;
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max = max * 10;
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buf_pos = g_strlen(name);
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max = max + buf_pos + 16;
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buf = (char *)g_malloc(max, 0);
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g_strncpy(buf, name, max - 1);
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buf[buf_pos] = '=';
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buf_pos++;
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for (index = 0; index < len; index++)
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{
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data_item = (tui8)(data[index]);
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g_snprintf(text, 255, "0x%2.2x", data_item);
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if (index != 0)
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{
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buf[buf_pos] = ',';
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buf_pos++;
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}
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buf[buf_pos] = text[0];
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buf_pos++;
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buf[buf_pos] = text[1];
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buf_pos++;
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buf[buf_pos] = text[2];
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buf_pos++;
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buf[buf_pos] = text[3];
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buf_pos++;
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}
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buf[buf_pos] = '\n';
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buf_pos++;
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buf[buf_pos] = 0;
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error = g_file_write(fd, buf, buf_pos) == -1;
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g_free(buf);
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g_free(text);
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return error;
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}
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/*****************************************************************************/
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static int APP_CC
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save_all(const char *e_data, int e_len, const char *n_data, int n_len,
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const char *d_data, int d_len, const char *sign_data, int sign_len,
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const char *path_and_file_name)
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{
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int fd;
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char filename[256];
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if (path_and_file_name == 0)
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{
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g_strncpy(filename, "rsakeys.ini", 255);
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}
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else
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{
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g_strncpy(filename, path_and_file_name, 255);
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}
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g_writeln("saving to %s", filename);
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g_writeln("%s", "");
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if (g_file_exist(filename))
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{
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if (g_file_delete(filename) == 0)
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{
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g_writeln("problem deleting %s, maybe no rights", filename);
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return 1;
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}
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}
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fd = g_file_open(filename);
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|
if (fd != -1)
|
|
{
|
|
if (g_file_write(fd, "[keys]\n", 7) == -1)
|
|
{
|
|
g_writeln("problem writing to %s, maybe no rights", filename);
|
|
g_file_close(fd);
|
|
return 1;
|
|
}
|
|
|
|
write_out_line(fd, "pub_exp", e_data, e_len);
|
|
write_out_line(fd, "pub_mod", n_data, n_len);
|
|
write_out_line(fd, "pub_sig", sign_data, sign_len);
|
|
write_out_line(fd, "pri_exp", d_data, d_len);
|
|
}
|
|
else
|
|
{
|
|
g_writeln("problem opening %s, maybe no rights", filename);
|
|
return 1;
|
|
}
|
|
|
|
g_file_close(fd);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
key_gen(const char *path_and_file_name)
|
|
{
|
|
char *e_data;
|
|
char *n_data;
|
|
char *d_data;
|
|
char *sign_data;
|
|
int e_len;
|
|
int n_len;
|
|
int d_len;
|
|
int sign_len;
|
|
int error;
|
|
|
|
e_data = (char *)g_exponent;
|
|
n_data = (char *)g_malloc(256, 0);
|
|
d_data = (char *)g_malloc(256, 0);
|
|
sign_data = (char *)g_malloc(64, 0);
|
|
e_len = 4;
|
|
n_len = g_key_size_bits / 8;
|
|
d_len = n_len;
|
|
sign_len = 64;
|
|
error = 0;
|
|
g_writeln("%s", "");
|
|
g_writeln("Generating %d bit rsa key...", g_key_size_bits);
|
|
g_writeln("%s", "");
|
|
|
|
if (error == 0)
|
|
{
|
|
error = ssl_gen_key_xrdp1(g_key_size_bits, e_data, e_len, n_data, n_len,
|
|
d_data, d_len);
|
|
if (error != 0)
|
|
{
|
|
g_writeln("error %d in key_gen, ssl_gen_key_xrdp1", error);
|
|
}
|
|
}
|
|
|
|
if (error == 0)
|
|
{
|
|
g_writeln("ssl_gen_key_xrdp1 ok");
|
|
g_writeln("%s", "");
|
|
error = sign_key(e_data, e_len, n_data, n_len, sign_data, sign_len);
|
|
|
|
if (error != 0)
|
|
{
|
|
g_writeln("error %d in key_gen, sign_key", error);
|
|
}
|
|
}
|
|
|
|
if (error == 0)
|
|
{
|
|
error = save_all(e_data, e_len, n_data, n_len, d_data, d_len,
|
|
sign_data, sign_len, path_and_file_name);
|
|
|
|
if (error != 0)
|
|
{
|
|
g_writeln("error %d in key_gen, save_all", error);
|
|
}
|
|
}
|
|
|
|
g_free(n_data);
|
|
g_free(d_data);
|
|
g_free(sign_data);
|
|
return error;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
key_gen_auto(void)
|
|
{
|
|
return key_gen("/etc/xrdp/rsakeys.ini");
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
key_test512(void)
|
|
{
|
|
char *md5_final;
|
|
char *sig;
|
|
void *md5;
|
|
|
|
md5_final = (char *)g_malloc(64, 0);
|
|
sig = (char *)g_malloc(64, 0);
|
|
md5 = ssl_md5_info_create();
|
|
g_writeln("original key is:");
|
|
g_hexdump((char *)g_testkey512, 184);
|
|
g_writeln("original exponent is:");
|
|
g_hexdump((char *)g_testkey512 + 32, 4);
|
|
g_writeln("original modulus is:");
|
|
g_hexdump((char *)g_testkey512 + 36, 64);
|
|
g_writeln("original signature is:");
|
|
g_hexdump((char *)g_testkey512 + 112, 64);
|
|
ssl_md5_clear(md5);
|
|
ssl_md5_transform(md5, (char *)g_testkey512, 108);
|
|
g_memset(md5_final, 0xff, 64);
|
|
ssl_md5_complete(md5, md5_final);
|
|
g_writeln("md5 hash of first 108 bytes of this key is:");
|
|
g_hexdump(md5_final, 16);
|
|
md5_final[16] = 0;
|
|
md5_final[62] = 1;
|
|
md5_final[63] = 0;
|
|
ssl_mod_exp(sig, 64, md5_final, 64, (char *)g_ppk_n, 64, (char *)g_ppk_d, 64);
|
|
g_writeln("produced signature(this should match original "
|
|
"signature above) is:");
|
|
g_hexdump(sig, 64);
|
|
g_memset(md5_final, 0, 64);
|
|
ssl_mod_exp(md5_final, 64, (char *)g_testkey512 + 112, 64, (char *)g_ppk_n, 64,
|
|
(char *)g_ppk_e, 4);
|
|
g_writeln("decrypted hash of first 108 bytes of this key is:");
|
|
g_hexdump(md5_final, 64);
|
|
ssl_md5_info_delete(md5);
|
|
g_free(md5_final);
|
|
g_free(sig);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
key_test2048(void)
|
|
{
|
|
char *md5_final;
|
|
char *sig;
|
|
void *md5;
|
|
|
|
md5_final = (char *)g_malloc(64, 0);
|
|
sig = (char *)g_malloc(64, 0);
|
|
md5 = ssl_md5_info_create();
|
|
g_writeln("original key is:");
|
|
g_hexdump((char *)g_testkey2048, 376);
|
|
g_writeln("original exponent is:");
|
|
g_hexdump((char *)g_testkey2048 + 32, 4);
|
|
g_writeln("original modulus is:");
|
|
g_hexdump((char *)g_testkey2048 + 36, 256);
|
|
g_writeln("original signature is:");
|
|
g_hexdump((char *)g_testkey2048 + 304, 64);
|
|
ssl_md5_clear(md5);
|
|
ssl_md5_transform(md5, (char *)g_testkey2048, 300);
|
|
g_memset(md5_final, 0xff, 64);
|
|
ssl_md5_complete(md5, md5_final);
|
|
g_writeln("md5 hash of first 300 bytes of this key is:");
|
|
g_hexdump(md5_final, 16);
|
|
md5_final[16] = 0;
|
|
md5_final[62] = 1;
|
|
md5_final[63] = 0;
|
|
ssl_mod_exp(sig, 64, md5_final, 64, (char *)g_ppk_n, 64, (char *)g_ppk_d, 64);
|
|
g_writeln("produced signature(this should match original "
|
|
"signature above) is:");
|
|
g_hexdump(sig, 64);
|
|
g_memset(md5_final, 0, 64);
|
|
ssl_mod_exp(md5_final, 64, (char *)g_testkey2048 + 304, 64, (char *)g_ppk_n, 64,
|
|
(char *)g_ppk_e, 4);
|
|
g_writeln("decrypted hash of first 108 bytes of this key is:");
|
|
g_hexdump(md5_final, 64);
|
|
ssl_md5_info_delete(md5);
|
|
g_free(md5_final);
|
|
g_free(sig);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int DEFAULT_CC
|
|
main(int argc, char **argv)
|
|
{
|
|
if (argc > 1)
|
|
{
|
|
if (g_strcasecmp(argv[1], "xrdp") == 0)
|
|
{
|
|
if (argc > 2)
|
|
{
|
|
if (argc > 3)
|
|
{
|
|
g_key_size_bits = g_atoi(argv[3]);
|
|
if ((g_key_size_bits != 512) && (g_key_size_bits != 2048))
|
|
{
|
|
out_params();
|
|
return 0;
|
|
}
|
|
}
|
|
if (g_strcasecmp(argv[2], "auto") == 0)
|
|
{
|
|
if (g_getuid() != 0)
|
|
{
|
|
g_writeln("must run as root");
|
|
return 0;
|
|
}
|
|
|
|
return key_gen_auto();
|
|
}
|
|
else
|
|
{
|
|
return key_gen(argv[2]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return key_gen(0);
|
|
}
|
|
}
|
|
else if (g_strcasecmp(argv[1], "test") == 0)
|
|
{
|
|
g_writeln("%s", "");
|
|
g_writeln("testing 512 bit key");
|
|
key_test512();
|
|
g_writeln("%s", "");
|
|
g_writeln("testing 2048 bit key");
|
|
key_test2048();
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
out_params();
|
|
return 0;
|
|
}
|