Annotation of src/usr.bin/openssl/genrsa.c, Revision 1.13
1.13 ! inoguchi 1: /* $OpenBSD: genrsa.c,v 1.12 2018/12/09 19:30:34 tobias Exp $ */
1.1 jsing 2: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3: * All rights reserved.
4: *
5: * This package is an SSL implementation written
6: * by Eric Young (eay@cryptsoft.com).
7: * The implementation was written so as to conform with Netscapes SSL.
8: *
9: * This library is free for commercial and non-commercial use as long as
10: * the following conditions are aheared to. The following conditions
11: * apply to all code found in this distribution, be it the RC4, RSA,
12: * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13: * included with this distribution is covered by the same copyright terms
14: * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15: *
16: * Copyright remains Eric Young's, and as such any Copyright notices in
17: * the code are not to be removed.
18: * If this package is used in a product, Eric Young should be given attribution
19: * as the author of the parts of the library used.
20: * This can be in the form of a textual message at program startup or
21: * in documentation (online or textual) provided with the package.
22: *
23: * Redistribution and use in source and binary forms, with or without
24: * modification, are permitted provided that the following conditions
25: * are met:
26: * 1. Redistributions of source code must retain the copyright
27: * notice, this list of conditions and the following disclaimer.
28: * 2. Redistributions in binary form must reproduce the above copyright
29: * notice, this list of conditions and the following disclaimer in the
30: * documentation and/or other materials provided with the distribution.
31: * 3. All advertising materials mentioning features or use of this software
32: * must display the following acknowledgement:
33: * "This product includes cryptographic software written by
34: * Eric Young (eay@cryptsoft.com)"
35: * The word 'cryptographic' can be left out if the rouines from the library
36: * being used are not cryptographic related :-).
37: * 4. If you include any Windows specific code (or a derivative thereof) from
38: * the apps directory (application code) you must include an acknowledgement:
39: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40: *
41: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51: * SUCH DAMAGE.
52: *
53: * The licence and distribution terms for any publically available version or
54: * derivative of this code cannot be changed. i.e. this code cannot simply be
55: * copied and put under another distribution licence
56: * [including the GNU Public Licence.]
57: */
58:
59: #include <openssl/opensslconf.h>
60:
61: /* Until the key-gen callbacks are modified to use newer prototypes, we allow
62: * deprecated functions for openssl-internal code */
63: #ifdef OPENSSL_NO_DEPRECATED
64: #undef OPENSSL_NO_DEPRECATED
65: #endif
66:
67:
68: #include <sys/types.h>
69: #include <sys/stat.h>
70:
71: #include <stdio.h>
72: #include <string.h>
73:
74: #include "apps.h"
75:
76: #include <openssl/bio.h>
77: #include <openssl/bn.h>
78: #include <openssl/err.h>
79: #include <openssl/evp.h>
80: #include <openssl/pem.h>
81: #include <openssl/rsa.h>
82: #include <openssl/x509.h>
83:
84: #define DEFBITS 2048
85:
86: static int genrsa_cb(int p, int n, BN_GENCB * cb);
87:
1.13 ! inoguchi 88: static struct {
! 89: const EVP_CIPHER *enc;
! 90: unsigned long f4;
! 91: char *outfile;
! 92: char *passargout;
! 93: } genrsa_config;
! 94:
1.1 jsing 95: int
96: genrsa_main(int argc, char **argv)
97: {
98: BN_GENCB cb;
99: int ret = 1;
100: int i, num = DEFBITS;
101: long l;
1.13 ! inoguchi 102: char *passout = NULL;
1.1 jsing 103: BIO *out = NULL;
104: BIGNUM *bn = BN_new();
105: RSA *rsa = NULL;
1.6 doug 106:
107: if (single_execution) {
1.9 deraadt 108: if (pledge("stdio cpath wpath rpath tty", NULL) == -1) {
1.6 doug 109: perror("pledge");
1.8 doug 110: exit(1);
111: }
1.6 doug 112: }
1.1 jsing 113:
114: if (!bn)
115: goto err;
116:
117: BN_GENCB_set(&cb, genrsa_cb, bio_err);
118:
119: if ((out = BIO_new(BIO_s_file())) == NULL) {
120: BIO_printf(bio_err, "unable to create BIO for output\n");
121: goto err;
122: }
1.13 ! inoguchi 123:
! 124: memset(&genrsa_config, 0, sizeof(genrsa_config));
! 125: genrsa_config.f4 = RSA_F4;
! 126:
1.1 jsing 127: argv++;
128: argc--;
129: for (;;) {
130: if (argc <= 0)
131: break;
132: if (strcmp(*argv, "-out") == 0) {
133: if (--argc < 1)
134: goto bad;
1.13 ! inoguchi 135: genrsa_config.outfile = *(++argv);
1.1 jsing 136: } else if (strcmp(*argv, "-3") == 0)
1.13 ! inoguchi 137: genrsa_config.f4 = 3;
1.1 jsing 138: else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0)
1.13 ! inoguchi 139: genrsa_config.f4 = RSA_F4;
1.1 jsing 140: #ifndef OPENSSL_NO_DES
141: else if (strcmp(*argv, "-des") == 0)
1.13 ! inoguchi 142: genrsa_config.enc = EVP_des_cbc();
1.1 jsing 143: else if (strcmp(*argv, "-des3") == 0)
1.13 ! inoguchi 144: genrsa_config.enc = EVP_des_ede3_cbc();
1.1 jsing 145: #endif
146: #ifndef OPENSSL_NO_IDEA
147: else if (strcmp(*argv, "-idea") == 0)
1.13 ! inoguchi 148: genrsa_config.enc = EVP_idea_cbc();
1.1 jsing 149: #endif
150: #ifndef OPENSSL_NO_AES
151: else if (strcmp(*argv, "-aes128") == 0)
1.13 ! inoguchi 152: genrsa_config.enc = EVP_aes_128_cbc();
1.1 jsing 153: else if (strcmp(*argv, "-aes192") == 0)
1.13 ! inoguchi 154: genrsa_config.enc = EVP_aes_192_cbc();
1.1 jsing 155: else if (strcmp(*argv, "-aes256") == 0)
1.13 ! inoguchi 156: genrsa_config.enc = EVP_aes_256_cbc();
1.1 jsing 157: #endif
158: #ifndef OPENSSL_NO_CAMELLIA
159: else if (strcmp(*argv, "-camellia128") == 0)
1.13 ! inoguchi 160: genrsa_config.enc = EVP_camellia_128_cbc();
1.1 jsing 161: else if (strcmp(*argv, "-camellia192") == 0)
1.13 ! inoguchi 162: genrsa_config.enc = EVP_camellia_192_cbc();
1.1 jsing 163: else if (strcmp(*argv, "-camellia256") == 0)
1.13 ! inoguchi 164: genrsa_config.enc = EVP_camellia_256_cbc();
1.1 jsing 165: #endif
166: else if (strcmp(*argv, "-passout") == 0) {
167: if (--argc < 1)
168: goto bad;
1.13 ! inoguchi 169: genrsa_config.passargout = *(++argv);
1.1 jsing 170: } else
171: break;
172: argv++;
173: argc--;
174: }
175: if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) {
1.11 jsing 176: bad:
1.1 jsing 177: BIO_printf(bio_err, "usage: genrsa [args] [numbits]\n");
1.12 tobias 178: #ifndef OPENSSL_NO_DES
1.1 jsing 179: BIO_printf(bio_err, " -des encrypt the generated key with DES in cbc mode\n");
180: BIO_printf(bio_err, " -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
1.12 tobias 181: #endif
1.1 jsing 182: #ifndef OPENSSL_NO_IDEA
183: BIO_printf(bio_err, " -idea encrypt the generated key with IDEA in cbc mode\n");
184: #endif
185: #ifndef OPENSSL_NO_AES
186: BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
187: BIO_printf(bio_err, " encrypt PEM output with cbc aes\n");
188: #endif
189: #ifndef OPENSSL_NO_CAMELLIA
190: BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
191: BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n");
192: #endif
193: BIO_printf(bio_err, " -out file output the key to 'file\n");
194: BIO_printf(bio_err, " -passout arg output file pass phrase source\n");
195: BIO_printf(bio_err, " -f4 use F4 (0x10001) for the E value\n");
196: BIO_printf(bio_err, " -3 use 3 for the E value\n");
197: goto err;
198: }
199:
1.13 ! inoguchi 200: if (!app_passwd(bio_err, NULL, genrsa_config.passargout, NULL, &passout)) {
1.1 jsing 201: BIO_printf(bio_err, "Error getting password\n");
202: goto err;
203: }
204:
1.13 ! inoguchi 205: if (genrsa_config.outfile == NULL) {
1.1 jsing 206: BIO_set_fp(out, stdout, BIO_NOCLOSE);
207: } else {
1.13 ! inoguchi 208: if (BIO_write_filename(out, genrsa_config.outfile) <= 0) {
! 209: perror(genrsa_config.outfile);
1.1 jsing 210: goto err;
211: }
212: }
213:
214: BIO_printf(bio_err, "Generating RSA private key, %d bit long modulus\n",
215: num);
216: rsa = RSA_new();
217: if (!rsa)
218: goto err;
219:
1.13 ! inoguchi 220: if (!BN_set_word(bn, genrsa_config.f4) || !RSA_generate_key_ex(rsa, num, bn, &cb))
1.1 jsing 221: goto err;
222:
223: /*
224: * We need to do the following for when the base number size is <
225: * long, esp windows 3.1 :-(.
226: */
227: l = 0L;
228: for (i = 0; i < rsa->e->top; i++) {
229: #ifndef _LP64
230: l <<= BN_BITS4;
231: l <<= BN_BITS4;
232: #endif
233: l += rsa->e->d[i];
234: }
235: BIO_printf(bio_err, "e is %ld (0x%lX)\n", l, l);
236: {
237: PW_CB_DATA cb_data;
238: cb_data.password = passout;
1.13 ! inoguchi 239: cb_data.prompt_info = genrsa_config.outfile;
! 240: if (!PEM_write_bio_RSAPrivateKey(out, rsa, genrsa_config.enc, NULL, 0,
1.1 jsing 241: password_callback, &cb_data))
242: goto err;
243: }
244:
245: ret = 0;
1.11 jsing 246: err:
1.10 jsing 247: BN_free(bn);
248: RSA_free(rsa);
249: BIO_free_all(out);
1.1 jsing 250: free(passout);
1.10 jsing 251:
1.1 jsing 252: if (ret != 0)
253: ERR_print_errors(bio_err);
254:
255: return (ret);
256: }
257:
258: static int
259: genrsa_cb(int p, int n, BN_GENCB * cb)
260: {
261: char c = '*';
262:
263: if (p == 0)
264: c = '.';
265: if (p == 1)
266: c = '+';
267: if (p == 2)
268: c = '*';
269: if (p == 3)
270: c = '\n';
271: BIO_write(cb->arg, &c, 1);
272: (void) BIO_flush(cb->arg);
273: return 1;
274: }
![[BACK]](/icons/back.gif){kind=icon}
Return to genrsa.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / openssl