xref: /freebsd/crypto/openssl/apps/pkcs12.c (revision 783d3ff6d7fae619db8a7990b8a6387de0c677b5)
1 /*
2  * Copyright 1999-2022 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include <openssl/opensslconf.h>
11 
12 #include <stdio.h>
13 #include <stdlib.h>
14 #include <string.h>
15 #include "apps.h"
16 #include "progs.h"
17 #include <openssl/crypto.h>
18 #include <openssl/err.h>
19 #include <openssl/pem.h>
20 #include <openssl/pkcs12.h>
21 #include <openssl/provider.h>
22 #include <openssl/kdf.h>
23 
24 #define NOKEYS          0x1
25 #define NOCERTS         0x2
26 #define INFO            0x4
27 #define CLCERTS         0x8
28 #define CACERTS         0x10
29 
30 #define PASSWD_BUF_SIZE 2048
31 
32 #define WARN_EXPORT(opt) \
33     BIO_printf(bio_err, "Warning: -%s option ignored with -export\n", opt);
34 #define WARN_NO_EXPORT(opt) \
35     BIO_printf(bio_err, "Warning: -%s option ignored without -export\n", opt);
36 
37 static int get_cert_chain(X509 *cert, X509_STORE *store,
38                           STACK_OF(X509) *untrusted_certs,
39                           STACK_OF(X509) **chain);
40 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12,
41                         const char *pass, int passlen, int options,
42                         char *pempass, const EVP_CIPHER *enc);
43 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
44                           const char *pass, int passlen, int options,
45                           char *pempass, const EVP_CIPHER *enc);
46 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bags,
47                          const char *pass, int passlen,
48                          int options, char *pempass, const EVP_CIPHER *enc);
49 void print_attribute(BIO *out, const ASN1_TYPE *av);
50 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
51                   const char *name);
52 void hex_prin(BIO *out, unsigned char *buf, int len);
53 static int alg_print(const X509_ALGOR *alg);
54 int cert_load(BIO *in, STACK_OF(X509) *sk);
55 static int set_pbe(int *ppbe, const char *str);
56 
57 typedef enum OPTION_choice {
58     OPT_COMMON,
59     OPT_CIPHER, OPT_NOKEYS, OPT_KEYEX, OPT_KEYSIG, OPT_NOCERTS, OPT_CLCERTS,
60     OPT_CACERTS, OPT_NOOUT, OPT_INFO, OPT_CHAIN, OPT_TWOPASS, OPT_NOMACVER,
61 #ifndef OPENSSL_NO_DES
62     OPT_DESCERT,
63 #endif
64     OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
65     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
66     OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
67     OPT_NAME, OPT_CSP, OPT_CANAME,
68     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
69     OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
70     OPT_R_ENUM, OPT_PROV_ENUM,
71 #ifndef OPENSSL_NO_DES
72     OPT_LEGACY_ALG
73 #endif
74 } OPTION_CHOICE;
75 
76 const OPTIONS pkcs12_options[] = {
77     OPT_SECTION("General"),
78     {"help", OPT_HELP, '-', "Display this summary"},
79     {"in", OPT_IN, '<', "Input file"},
80     {"out", OPT_OUT, '>', "Output file"},
81     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
82     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
83     {"password", OPT_PASSWORD, 's', "Set PKCS#12 import/export password source"},
84     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
85     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
86     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
87     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
88 #ifndef OPENSSL_NO_DES
89     {"legacy", OPT_LEGACY_ALG, '-',
90 # ifdef OPENSSL_NO_RC2
91      "Use legacy encryption algorithm 3DES_CBC for keys and certs"
92 # else
93      "Use legacy encryption: 3DES_CBC for keys, RC2_CBC for certs"
94 # endif
95     },
96 #endif
97 #ifndef OPENSSL_NO_ENGINE
98     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
99 #endif
100     OPT_PROV_OPTIONS,
101     OPT_R_OPTIONS,
102 
103     OPT_SECTION("PKCS#12 import (parsing PKCS#12)"),
104     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
105     {"nomacver", OPT_NOMACVER, '-', "Don't verify integrity MAC"},
106     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
107     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
108     {"", OPT_CIPHER, '-', "Any supported cipher for output encryption"},
109     {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
110     {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
111 
112     OPT_SECTION("PKCS#12 output (export)"),
113     {"export", OPT_EXPORT, '-', "Create PKCS12 file"},
114     {"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
115     {"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
116     {"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
117     {"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
118     {OPT_MORE_STR, 0, 0,
119      "which is the 1st cert from -in matching the private key (if given)"},
120     {"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
121     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
122     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
123     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
124     {"no-CAfile", OPT_NOCAFILE, '-',
125      "Do not load the default certificates file"},
126     {"no-CApath", OPT_NOCAPATH, '-',
127      "Do not load certificates from the default certificates directory"},
128     {"no-CAstore", OPT_NOCASTORE, '-',
129      "Do not load certificates from the default certificates store"},
130     {"name", OPT_NAME, 's', "Use name as friendly name"},
131     {"caname", OPT_CANAME, 's',
132      "Use name as CA friendly name (can be repeated)"},
133     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
134     {"LMK", OPT_LMK, '-',
135      "Add local machine keyset attribute to private key"},
136     {"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
137     {"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
138     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default AES-256 CBC)"},
139     {"certpbe", OPT_CERTPBE, 's',
140      "Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
141 #ifndef OPENSSL_NO_DES
142     {"descert", OPT_DESCERT, '-',
143      "Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
144 #endif
145     {"macalg", OPT_MACALG, 's',
146      "Digest algorithm to use in MAC (default SHA256)"},
147     {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption and MAC"},
148     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
149     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration)"},
150     {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
151     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
152     {NULL}
153 };
154 
155 int pkcs12_main(int argc, char **argv)
156 {
157     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
158     char *untrusted = NULL, *ciphername = NULL, *enc_flag = NULL;
159     char *passcertsarg = NULL, *passcerts = NULL;
160     char *name = NULL, *csp_name = NULL;
161     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
162     int export_pkcs12 = 0, options = 0, chain = 0, twopass = 0, keytype = 0;
163 #ifndef OPENSSL_NO_DES
164     int use_legacy = 0;
165 #endif
166     /* use library defaults for the iter, maciter, cert, and key PBE */
167     int iter = 0, maciter = 0;
168     int cert_pbe = NID_undef;
169     int key_pbe = NID_undef;
170     int ret = 1, macver = 1, add_lmk = 0, private = 0;
171     int noprompt = 0;
172     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
173     char *passin = NULL, *passout = NULL, *macalg = NULL;
174     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
175     const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
176     int noCApath = 0, noCAfile = 0, noCAstore = 0;
177     ENGINE *e = NULL;
178     BIO *in = NULL, *out = NULL;
179     PKCS12 *p12 = NULL;
180     STACK_OF(OPENSSL_STRING) *canames = NULL;
181     EVP_CIPHER *default_enc = (EVP_CIPHER *)EVP_aes_256_cbc();
182     EVP_CIPHER *enc = (EVP_CIPHER *)default_enc;
183     OPTION_CHOICE o;
184 
185     prog = opt_init(argc, argv, pkcs12_options);
186     while ((o = opt_next()) != OPT_EOF) {
187         switch (o) {
188         case OPT_EOF:
189         case OPT_ERR:
190  opthelp:
191             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
192             goto end;
193         case OPT_HELP:
194             opt_help(pkcs12_options);
195             ret = 0;
196             goto end;
197         case OPT_NOKEYS:
198             options |= NOKEYS;
199             break;
200         case OPT_KEYEX:
201             keytype = KEY_EX;
202             break;
203         case OPT_KEYSIG:
204             keytype = KEY_SIG;
205             break;
206         case OPT_NOCERTS:
207             options |= NOCERTS;
208             break;
209         case OPT_CLCERTS:
210             options |= CLCERTS;
211             break;
212         case OPT_CACERTS:
213             options |= CACERTS;
214             break;
215         case OPT_NOOUT:
216             options |= (NOKEYS | NOCERTS);
217             break;
218         case OPT_INFO:
219             options |= INFO;
220             break;
221         case OPT_CHAIN:
222             chain = 1;
223             break;
224         case OPT_TWOPASS:
225             twopass = 1;
226             break;
227         case OPT_NOMACVER:
228             macver = 0;
229             break;
230 #ifndef OPENSSL_NO_DES
231         case OPT_DESCERT:
232             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
233             break;
234 #endif
235         case OPT_EXPORT:
236             export_pkcs12 = 1;
237             break;
238         case OPT_NODES:
239         case OPT_NOENC:
240             /*
241              * |enc_flag| stores the name of the option used so it
242              * can be printed if an error message is output.
243              */
244             enc_flag = opt_flag() + 1;
245             enc = NULL;
246             ciphername = NULL;
247             break;
248         case OPT_CIPHER:
249             ciphername = opt_unknown();
250             enc_flag = opt_unknown();
251             break;
252         case OPT_ITER:
253             maciter = iter = opt_int_arg();
254             break;
255         case OPT_NOITER:
256             iter = 1;
257             break;
258         case OPT_MACITER:
259             /* no-op */
260             break;
261         case OPT_NOMACITER:
262             maciter = 1;
263             break;
264         case OPT_NOMAC:
265             cert_pbe = -1;
266             maciter = -1;
267             break;
268         case OPT_MACALG:
269             macalg = opt_arg();
270             break;
271         case OPT_CERTPBE:
272             if (!set_pbe(&cert_pbe, opt_arg()))
273                 goto opthelp;
274             break;
275         case OPT_KEYPBE:
276             if (!set_pbe(&key_pbe, opt_arg()))
277                 goto opthelp;
278             break;
279         case OPT_R_CASES:
280             if (!opt_rand(o))
281                 goto end;
282             break;
283         case OPT_INKEY:
284             keyname = opt_arg();
285             break;
286         case OPT_CERTFILE:
287             certfile = opt_arg();
288             break;
289         case OPT_UNTRUSTED:
290             untrusted = opt_arg();
291             break;
292         case OPT_PASSCERTS:
293             passcertsarg = opt_arg();
294             break;
295         case OPT_NAME:
296             name = opt_arg();
297             break;
298         case OPT_LMK:
299             add_lmk = 1;
300             break;
301         case OPT_CSP:
302             csp_name = opt_arg();
303             break;
304         case OPT_CANAME:
305             if (canames == NULL
306                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
307                 goto end;
308             sk_OPENSSL_STRING_push(canames, opt_arg());
309             break;
310         case OPT_IN:
311             infile = opt_arg();
312             break;
313         case OPT_OUT:
314             outfile = opt_arg();
315             break;
316         case OPT_PASSIN:
317             passinarg = opt_arg();
318             break;
319         case OPT_PASSOUT:
320             passoutarg = opt_arg();
321             break;
322         case OPT_PASSWORD:
323             passarg = opt_arg();
324             break;
325         case OPT_CAPATH:
326             CApath = opt_arg();
327             break;
328         case OPT_CASTORE:
329             CAstore = opt_arg();
330             break;
331         case OPT_CAFILE:
332             CAfile = opt_arg();
333             break;
334         case OPT_NOCAPATH:
335             noCApath = 1;
336             break;
337         case OPT_NOCASTORE:
338             noCAstore = 1;
339             break;
340         case OPT_NOCAFILE:
341             noCAfile = 1;
342             break;
343         case OPT_ENGINE:
344             e = setup_engine(opt_arg(), 0);
345             break;
346 #ifndef OPENSSL_NO_DES
347         case OPT_LEGACY_ALG:
348             use_legacy = 1;
349             break;
350 #endif
351         case OPT_PROV_CASES:
352             if (!opt_provider(o))
353                 goto end;
354             break;
355         }
356     }
357 
358     /* No extra arguments. */
359     argc = opt_num_rest();
360     if (argc != 0)
361         goto opthelp;
362 
363     if (!app_RAND_load())
364         goto end;
365 
366     if (ciphername != NULL) {
367         if (!opt_cipher_any(ciphername, &enc))
368             goto opthelp;
369     }
370     if (export_pkcs12) {
371         if ((options & INFO) != 0)
372             WARN_EXPORT("info");
373         if (macver == 0)
374             WARN_EXPORT("nomacver");
375         if ((options & CLCERTS) != 0)
376             WARN_EXPORT("clcerts");
377         if ((options & CACERTS) != 0)
378             WARN_EXPORT("cacerts");
379         if (enc != default_enc)
380             BIO_printf(bio_err,
381                        "Warning: output encryption option -%s ignored with -export\n", enc_flag);
382     } else {
383         if (keyname != NULL)
384             WARN_NO_EXPORT("inkey");
385         if (certfile != NULL)
386             WARN_NO_EXPORT("certfile");
387         if (passcertsarg != NULL)
388             WARN_NO_EXPORT("passcerts");
389         if (chain)
390             WARN_NO_EXPORT("chain");
391         if (untrusted != NULL)
392             WARN_NO_EXPORT("untrusted");
393         if (CAfile != NULL)
394             WARN_NO_EXPORT("CAfile");
395         if (CApath != NULL)
396             WARN_NO_EXPORT("CApath");
397         if (CAstore != NULL)
398             WARN_NO_EXPORT("CAstore");
399         if (noCAfile)
400             WARN_NO_EXPORT("no-CAfile");
401         if (noCApath)
402             WARN_NO_EXPORT("no-CApath");
403         if (noCAstore)
404             WARN_NO_EXPORT("no-CAstore");
405         if (name != NULL)
406             WARN_NO_EXPORT("name");
407         if (canames != NULL)
408             WARN_NO_EXPORT("caname");
409         if (csp_name != NULL)
410             WARN_NO_EXPORT("CSP");
411         if (add_lmk)
412             WARN_NO_EXPORT("LMK");
413         if (keytype == KEY_EX)
414             WARN_NO_EXPORT("keyex");
415         if (keytype == KEY_SIG)
416             WARN_NO_EXPORT("keysig");
417         if (key_pbe != NID_undef)
418             WARN_NO_EXPORT("keypbe");
419         if (cert_pbe != NID_undef && cert_pbe != -1)
420             WARN_NO_EXPORT("certpbe and -descert");
421         if (macalg != NULL)
422             WARN_NO_EXPORT("macalg");
423         if (iter != 0)
424             WARN_NO_EXPORT("iter and -noiter");
425         if (maciter == 1)
426             WARN_NO_EXPORT("nomaciter");
427         if (cert_pbe == -1 && maciter == -1)
428             WARN_NO_EXPORT("nomac");
429     }
430 #ifndef OPENSSL_NO_DES
431     if (use_legacy) {
432         /* load the legacy provider if not loaded already*/
433         if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
434             if (!app_provider_load(app_get0_libctx(), "legacy"))
435                 goto end;
436             /* load the default provider explicitly */
437             if (!app_provider_load(app_get0_libctx(), "default"))
438                 goto end;
439         }
440         if (cert_pbe == NID_undef) {
441             /* Adapt default algorithm */
442 # ifndef OPENSSL_NO_RC2
443             cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
444 # else
445             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
446 # endif
447         }
448 
449         if (key_pbe == NID_undef)
450             key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
451         if (enc == default_enc)
452             enc = (EVP_CIPHER *)EVP_des_ede3_cbc();
453         if (macalg == NULL)
454             macalg = "sha1";
455     }
456 #endif
457 
458     private = 1;
459 
460     if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
461         BIO_printf(bio_err, "Error getting certificate file password\n");
462         goto end;
463     }
464 
465     if (passarg != NULL) {
466         if (export_pkcs12)
467             passoutarg = passarg;
468         else
469             passinarg = passarg;
470     }
471 
472     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
473         BIO_printf(bio_err, "Error getting passwords\n");
474         goto end;
475     }
476 
477     if (cpass == NULL) {
478         if (export_pkcs12)
479             cpass = passout;
480         else
481             cpass = passin;
482     }
483 
484     if (cpass != NULL) {
485         mpass = cpass;
486         noprompt = 1;
487         if (twopass) {
488             if (export_pkcs12)
489                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
490             else
491                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
492             goto end;
493         }
494     } else {
495         cpass = pass;
496         mpass = macpass;
497     }
498 
499     if (twopass) {
500         /* To avoid bit rot */
501         if (1) {
502 #ifndef OPENSSL_NO_UI_CONSOLE
503             if (EVP_read_pw_string(
504                 macpass, sizeof(macpass), "Enter MAC Password:", export_pkcs12)) {
505                 BIO_printf(bio_err, "Can't read Password\n");
506                 goto end;
507             }
508         } else {
509 #endif
510             BIO_printf(bio_err, "Unsupported option -twopass\n");
511             goto end;
512         }
513     }
514 
515     if (export_pkcs12) {
516         EVP_PKEY *key = NULL;
517         X509 *ee_cert = NULL, *x = NULL;
518         STACK_OF(X509) *certs = NULL;
519         STACK_OF(X509) *untrusted_certs = NULL;
520         EVP_MD *macmd = NULL;
521         unsigned char *catmp = NULL;
522         int i;
523 
524         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
525             BIO_printf(bio_err, "Nothing to export due to -noout or -nocerts and -nokeys\n");
526             goto export_end;
527         }
528 
529         if ((options & NOCERTS) != 0) {
530             chain = 0;
531             BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
532         }
533 
534         if (!(options & NOKEYS)) {
535             key = load_key(keyname ? keyname : infile,
536                            FORMAT_PEM, 1, passin, e,
537                            keyname ?
538                            "private key from -inkey file" :
539                            "private key from -in file");
540             if (key == NULL)
541                 goto export_end;
542         }
543 
544         /* Load all certs in input file */
545         if (!(options & NOCERTS)) {
546             if (!load_certs(infile, 1, &certs, passin,
547                             "certificates from -in file"))
548                 goto export_end;
549             if (sk_X509_num(certs) < 1) {
550                 BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
551                 goto export_end;
552             }
553 
554             if (key != NULL) {
555                 /* Look for matching private key */
556                 for (i = 0; i < sk_X509_num(certs); i++) {
557                     x = sk_X509_value(certs, i);
558                     if (X509_check_private_key(x, key)) {
559                         ee_cert = x;
560                         /* Zero keyid and alias */
561                         X509_keyid_set1(ee_cert, NULL, 0);
562                         X509_alias_set1(ee_cert, NULL, 0);
563                         /* Remove from list */
564                         (void)sk_X509_delete(certs, i);
565                         break;
566                     }
567                 }
568                 if (ee_cert == NULL) {
569                     BIO_printf(bio_err,
570                                "No cert in -in file '%s' matches private key\n",
571                                infile);
572                     goto export_end;
573                 }
574             }
575         }
576 
577         /* Load any untrusted certificates for chain building */
578         if (untrusted != NULL) {
579             if (!load_certs(untrusted, 0, &untrusted_certs, passcerts,
580                             "untrusted certificates"))
581                 goto export_end;
582         }
583 
584         /* If chaining get chain from end entity cert */
585         if (chain) {
586             int vret;
587             STACK_OF(X509) *chain2;
588             X509_STORE *store;
589             X509 *ee_cert_tmp = ee_cert;
590 
591             /* Assume the first cert if we haven't got anything else */
592             if (ee_cert_tmp == NULL && certs != NULL)
593                 ee_cert_tmp = sk_X509_value(certs, 0);
594 
595             if (ee_cert_tmp == NULL) {
596                 BIO_printf(bio_err,
597                            "No end entity certificate to check with -chain\n");
598                 goto export_end;
599             }
600 
601             if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
602                                       CAstore, noCAstore))
603                     == NULL)
604                 goto export_end;
605 
606             vret = get_cert_chain(ee_cert_tmp, store, untrusted_certs, &chain2);
607             X509_STORE_free(store);
608 
609             if (vret == X509_V_OK) {
610                 int add_certs;
611                 /* Remove from chain2 the first (end entity) certificate */
612                 X509_free(sk_X509_shift(chain2));
613                 /* Add the remaining certs (except for duplicates) */
614                 add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
615                                            | X509_ADD_FLAG_NO_DUP);
616                 sk_X509_pop_free(chain2, X509_free);
617                 if (!add_certs)
618                     goto export_end;
619             } else {
620                 if (vret != X509_V_ERR_UNSPECIFIED)
621                     BIO_printf(bio_err, "Error getting chain: %s\n",
622                                X509_verify_cert_error_string(vret));
623                 goto export_end;
624             }
625         }
626 
627         /* Add any extra certificates asked for */
628         if (certfile != NULL) {
629             if (!load_certs(certfile, 0, &certs, passcerts,
630                             "extra certificates from -certfile"))
631                 goto export_end;
632         }
633 
634         /* Add any CA names */
635         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
636             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
637             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
638         }
639 
640         if (csp_name != NULL && key != NULL)
641             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
642                                       MBSTRING_ASC, (unsigned char *)csp_name,
643                                       -1);
644 
645         if (add_lmk && key != NULL)
646             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
647 
648         if (!noprompt && !(enc == NULL && maciter == -1)) {
649             /* To avoid bit rot */
650             if (1) {
651 #ifndef OPENSSL_NO_UI_CONSOLE
652                 if (EVP_read_pw_string(pass, sizeof(pass),
653                                        "Enter Export Password:", 1)) {
654                     BIO_printf(bio_err, "Can't read Password\n");
655                     goto export_end;
656                 }
657             } else {
658 #endif
659                 BIO_printf(bio_err, "Password required\n");
660                 goto export_end;
661             }
662         }
663 
664         if (!twopass)
665             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
666 
667         p12 = PKCS12_create_ex(cpass, name, key, ee_cert, certs,
668                                key_pbe, cert_pbe, iter, -1, keytype,
669                                app_get0_libctx(), app_get0_propq());
670 
671         if (p12 == NULL) {
672             BIO_printf(bio_err, "Error creating PKCS12 structure for %s\n",
673                        outfile);
674             goto export_end;
675         }
676 
677         if (macalg != NULL) {
678             if (!opt_md(macalg, &macmd))
679                 goto opthelp;
680         }
681 
682         if (maciter != -1)
683             if (!PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd)) {
684                 BIO_printf(bio_err, "Error creating PKCS12 MAC; no PKCS12KDF support?\n");
685                 BIO_printf(bio_err, "Use -nomac if MAC not required and PKCS12KDF support not available.\n");
686                 goto export_end;
687             }
688 
689         assert(private);
690 
691         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
692         if (out == NULL)
693             goto end;
694 
695         i2d_PKCS12_bio(out, p12);
696 
697         ret = 0;
698 
699  export_end:
700 
701         EVP_PKEY_free(key);
702         EVP_MD_free(macmd);
703         sk_X509_pop_free(certs, X509_free);
704         sk_X509_pop_free(untrusted_certs, X509_free);
705         X509_free(ee_cert);
706 
707         ERR_print_errors(bio_err);
708         goto end;
709 
710     }
711 
712     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
713     if (in == NULL)
714         goto end;
715     out = bio_open_owner(outfile, FORMAT_PEM, private);
716     if (out == NULL)
717         goto end;
718 
719     p12 = PKCS12_init_ex(NID_pkcs7_data, app_get0_libctx(), app_get0_propq());
720     if (p12 == NULL) {
721         ERR_print_errors(bio_err);
722         goto end;
723     }
724     if ((p12 = d2i_PKCS12_bio(in, &p12)) == NULL) {
725         ERR_print_errors(bio_err);
726         goto end;
727     }
728 
729     if (!noprompt) {
730         if (1) {
731 #ifndef OPENSSL_NO_UI_CONSOLE
732             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
733                                    0)) {
734                 BIO_printf(bio_err, "Can't read Password\n");
735                 goto end;
736             }
737         } else {
738 #endif
739             BIO_printf(bio_err, "Password required\n");
740             goto end;
741         }
742     }
743 
744     if (!twopass)
745         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
746 
747     if ((options & INFO) && PKCS12_mac_present(p12)) {
748         const ASN1_INTEGER *tmaciter;
749         const X509_ALGOR *macalgid;
750         const ASN1_OBJECT *macobj;
751         const ASN1_OCTET_STRING *tmac;
752         const ASN1_OCTET_STRING *tsalt;
753 
754         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
755         /* current hash algorithms do not use parameters so extract just name,
756            in future alg_print() may be needed */
757         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
758         BIO_puts(bio_err, "MAC: ");
759         i2a_ASN1_OBJECT(bio_err, macobj);
760         BIO_printf(bio_err, ", Iteration %ld\n",
761                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
762         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
763                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
764                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
765     }
766     if (macver) {
767         EVP_KDF *pkcs12kdf;
768 
769         pkcs12kdf = EVP_KDF_fetch(app_get0_libctx(), "PKCS12KDF",
770                                   app_get0_propq());
771         if (pkcs12kdf == NULL) {
772             BIO_printf(bio_err, "Error verifying PKCS12 MAC; no PKCS12KDF support.\n");
773             BIO_printf(bio_err, "Use -nomacver if MAC verification is not required.\n");
774             goto end;
775         }
776         EVP_KDF_free(pkcs12kdf);
777         /* If we enter empty password try no password first */
778         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
779             /* If mac and crypto pass the same set it to NULL too */
780             if (!twopass)
781                 cpass = NULL;
782         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
783             /*
784              * May be UTF8 from previous version of OpenSSL:
785              * convert to a UTF8 form which will translate
786              * to the same Unicode password.
787              */
788             unsigned char *utmp;
789             int utmplen;
790             unsigned long err = ERR_peek_error();
791 
792             if (ERR_GET_LIB(err) == ERR_LIB_PKCS12
793                 && ERR_GET_REASON(err) == PKCS12_R_MAC_ABSENT) {
794                 BIO_printf(bio_err, "Warning: MAC is absent!\n");
795                 goto dump;
796             }
797 
798             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
799             if (utmp == NULL)
800                 goto end;
801             badpass = OPENSSL_uni2utf8(utmp, utmplen);
802             OPENSSL_free(utmp);
803             if (!PKCS12_verify_mac(p12, badpass, -1)) {
804                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
805                 ERR_print_errors(bio_err);
806                 goto end;
807             } else {
808                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
809                 if (!twopass)
810                     cpass = badpass;
811             }
812         }
813     }
814 
815  dump:
816     assert(private);
817     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
818         BIO_printf(bio_err, "Error outputting keys and certificates\n");
819         ERR_print_errors(bio_err);
820         goto end;
821     }
822     ret = 0;
823  end:
824     PKCS12_free(p12);
825     release_engine(e);
826     BIO_free(in);
827     BIO_free_all(out);
828     sk_OPENSSL_STRING_free(canames);
829     OPENSSL_free(badpass);
830     OPENSSL_free(passcerts);
831     OPENSSL_free(passin);
832     OPENSSL_free(passout);
833     return ret;
834 }
835 
836 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
837                         int passlen, int options, char *pempass,
838                         const EVP_CIPHER *enc)
839 {
840     STACK_OF(PKCS7) *asafes = NULL;
841     STACK_OF(PKCS12_SAFEBAG) *bags;
842     int i, bagnid;
843     int ret = 0;
844     PKCS7 *p7;
845 
846     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
847         return 0;
848     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
849         p7 = sk_PKCS7_value(asafes, i);
850         bagnid = OBJ_obj2nid(p7->type);
851         if (bagnid == NID_pkcs7_data) {
852             bags = PKCS12_unpack_p7data(p7);
853             if (options & INFO)
854                 BIO_printf(bio_err, "PKCS7 Data\n");
855         } else if (bagnid == NID_pkcs7_encrypted) {
856             if (options & INFO) {
857                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
858                 alg_print(p7->d.encrypted->enc_data->algorithm);
859             }
860             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
861         } else {
862             continue;
863         }
864         if (!bags)
865             goto err;
866         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
867                                    options, pempass, enc)) {
868             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
869             goto err;
870         }
871         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
872         bags = NULL;
873     }
874     ret = 1;
875 
876  err:
877     sk_PKCS7_pop_free(asafes, PKCS7_free);
878     return ret;
879 }
880 
881 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
882                           const char *pass, int passlen, int options,
883                           char *pempass, const EVP_CIPHER *enc)
884 {
885     int i;
886     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
887         if (!dump_certs_pkeys_bag(out,
888                                   sk_PKCS12_SAFEBAG_value(bags, i),
889                                   pass, passlen, options, pempass, enc))
890             return 0;
891     }
892     return 1;
893 }
894 
895 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
896                          const char *pass, int passlen, int options,
897                          char *pempass, const EVP_CIPHER *enc)
898 {
899     EVP_PKEY *pkey;
900     PKCS8_PRIV_KEY_INFO *p8;
901     const PKCS8_PRIV_KEY_INFO *p8c;
902     X509 *x509;
903     const STACK_OF(X509_ATTRIBUTE) *attrs;
904     int ret = 0;
905 
906     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
907 
908     switch (PKCS12_SAFEBAG_get_nid(bag)) {
909     case NID_keyBag:
910         if (options & INFO)
911             BIO_printf(bio_err, "Key bag\n");
912         if (options & NOKEYS)
913             return 1;
914         print_attribs(out, attrs, "Bag Attributes");
915         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
916         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
917             return 0;
918         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
919         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
920         EVP_PKEY_free(pkey);
921         break;
922 
923     case NID_pkcs8ShroudedKeyBag:
924         if (options & INFO) {
925             const X509_SIG *tp8;
926             const X509_ALGOR *tp8alg;
927 
928             BIO_printf(bio_err, "Shrouded Keybag: ");
929             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
930             X509_SIG_get0(tp8, &tp8alg, NULL);
931             alg_print(tp8alg);
932         }
933         if (options & NOKEYS)
934             return 1;
935         print_attribs(out, attrs, "Bag Attributes");
936         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
937             return 0;
938         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
939             PKCS8_PRIV_KEY_INFO_free(p8);
940             return 0;
941         }
942         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
943         PKCS8_PRIV_KEY_INFO_free(p8);
944         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
945         EVP_PKEY_free(pkey);
946         break;
947 
948     case NID_certBag:
949         if (options & INFO)
950             BIO_printf(bio_err, "Certificate bag\n");
951         if (options & NOCERTS)
952             return 1;
953         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
954             if (options & CACERTS)
955                 return 1;
956         } else if (options & CLCERTS)
957             return 1;
958         print_attribs(out, attrs, "Bag Attributes");
959         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
960             return 1;
961         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
962             return 0;
963         dump_cert_text(out, x509);
964         ret = PEM_write_bio_X509(out, x509);
965         X509_free(x509);
966         break;
967 
968     case NID_secretBag:
969         if (options & INFO)
970             BIO_printf(bio_err, "Secret bag\n");
971         print_attribs(out, attrs, "Bag Attributes");
972         BIO_printf(bio_err, "Bag Type: ");
973         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
974         BIO_printf(bio_err, "\nBag Value: ");
975         print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
976         return 1;
977 
978     case NID_safeContentsBag:
979         if (options & INFO)
980             BIO_printf(bio_err, "Safe Contents bag\n");
981         print_attribs(out, attrs, "Bag Attributes");
982         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
983                                      pass, passlen, options, pempass, enc);
984 
985     default:
986         BIO_printf(bio_err, "Warning unsupported bag type: ");
987         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
988         BIO_printf(bio_err, "\n");
989         return 1;
990     }
991     return ret;
992 }
993 
994 /* Given a single certificate return a verified chain or NULL if error */
995 
996 static int get_cert_chain(X509 *cert, X509_STORE *store,
997                           STACK_OF(X509) *untrusted_certs,
998                           STACK_OF(X509) **chain)
999 {
1000     X509_STORE_CTX *store_ctx = NULL;
1001     STACK_OF(X509) *chn = NULL;
1002     int i = 0;
1003 
1004     store_ctx = X509_STORE_CTX_new_ex(app_get0_libctx(), app_get0_propq());
1005     if (store_ctx == NULL) {
1006         i =  X509_V_ERR_UNSPECIFIED;
1007         goto end;
1008     }
1009     if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
1010         i =  X509_V_ERR_UNSPECIFIED;
1011         goto end;
1012     }
1013 
1014 
1015     if (X509_verify_cert(store_ctx) > 0)
1016         chn = X509_STORE_CTX_get1_chain(store_ctx);
1017     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
1018         i = X509_V_ERR_UNSPECIFIED;
1019 
1020 end:
1021     X509_STORE_CTX_free(store_ctx);
1022     *chain = chn;
1023     return i;
1024 }
1025 
1026 static int alg_print(const X509_ALGOR *alg)
1027 {
1028     int pbenid, aparamtype;
1029     const ASN1_OBJECT *aoid;
1030     const void *aparam;
1031     PBEPARAM *pbe = NULL;
1032 
1033     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
1034 
1035     pbenid = OBJ_obj2nid(aoid);
1036 
1037     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
1038 
1039     /*
1040      * If PBE algorithm is PBES2 decode algorithm parameters
1041      * for additional details.
1042      */
1043     if (pbenid == NID_pbes2) {
1044         PBE2PARAM *pbe2 = NULL;
1045         int encnid;
1046         if (aparamtype == V_ASN1_SEQUENCE)
1047             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
1048         if (pbe2 == NULL) {
1049             BIO_puts(bio_err, ", <unsupported parameters>");
1050             goto done;
1051         }
1052         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
1053         pbenid = OBJ_obj2nid(aoid);
1054         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
1055         encnid = OBJ_obj2nid(aoid);
1056         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
1057                    OBJ_nid2sn(encnid));
1058         /* If KDF is PBKDF2 decode parameters */
1059         if (pbenid == NID_id_pbkdf2) {
1060             PBKDF2PARAM *kdf = NULL;
1061             int prfnid;
1062             if (aparamtype == V_ASN1_SEQUENCE)
1063                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
1064             if (kdf == NULL) {
1065                 BIO_puts(bio_err, ", <unsupported parameters>");
1066                 goto done;
1067             }
1068 
1069             if (kdf->prf == NULL) {
1070                 prfnid = NID_hmacWithSHA1;
1071             } else {
1072                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
1073                 prfnid = OBJ_obj2nid(aoid);
1074             }
1075             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
1076                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
1077             PBKDF2PARAM_free(kdf);
1078 #ifndef OPENSSL_NO_SCRYPT
1079         } else if (pbenid == NID_id_scrypt) {
1080             SCRYPT_PARAMS *kdf = NULL;
1081 
1082             if (aparamtype == V_ASN1_SEQUENCE)
1083                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
1084             if (kdf == NULL) {
1085                 BIO_puts(bio_err, ", <unsupported parameters>");
1086                 goto done;
1087             }
1088             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
1089                        "Block size(r): %ld, Parallelism(p): %ld",
1090                        ASN1_STRING_length(kdf->salt),
1091                        ASN1_INTEGER_get(kdf->costParameter),
1092                        ASN1_INTEGER_get(kdf->blockSize),
1093                        ASN1_INTEGER_get(kdf->parallelizationParameter));
1094             SCRYPT_PARAMS_free(kdf);
1095 #endif
1096         }
1097         PBE2PARAM_free(pbe2);
1098     } else {
1099         if (aparamtype == V_ASN1_SEQUENCE)
1100             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
1101         if (pbe == NULL) {
1102             BIO_puts(bio_err, ", <unsupported parameters>");
1103             goto done;
1104         }
1105         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
1106         PBEPARAM_free(pbe);
1107     }
1108  done:
1109     BIO_puts(bio_err, "\n");
1110     return 1;
1111 }
1112 
1113 /* Load all certificates from a given file */
1114 
1115 int cert_load(BIO *in, STACK_OF(X509) *sk)
1116 {
1117     int ret = 0;
1118     X509 *cert;
1119 
1120     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
1121         ret = 1;
1122         if (!sk_X509_push(sk, cert))
1123             return 0;
1124     }
1125     if (ret)
1126         ERR_clear_error();
1127     return ret;
1128 }
1129 
1130 /* Generalised x509 attribute value print */
1131 
1132 void print_attribute(BIO *out, const ASN1_TYPE *av)
1133 {
1134     char *value;
1135 
1136     switch (av->type) {
1137     case V_ASN1_BMPSTRING:
1138         value = OPENSSL_uni2asc(av->value.bmpstring->data,
1139                                 av->value.bmpstring->length);
1140         BIO_printf(out, "%s\n", value);
1141         OPENSSL_free(value);
1142         break;
1143 
1144     case V_ASN1_UTF8STRING:
1145         BIO_printf(out, "%.*s\n", av->value.utf8string->length,
1146                    av->value.utf8string->data);
1147         break;
1148 
1149     case V_ASN1_OCTET_STRING:
1150         hex_prin(out, av->value.octet_string->data,
1151                  av->value.octet_string->length);
1152         BIO_printf(out, "\n");
1153         break;
1154 
1155     case V_ASN1_BIT_STRING:
1156         hex_prin(out, av->value.bit_string->data,
1157                  av->value.bit_string->length);
1158         BIO_printf(out, "\n");
1159         break;
1160 
1161     default:
1162         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
1163         break;
1164     }
1165 }
1166 
1167 /* Generalised attribute print: handle PKCS#8 and bag attributes */
1168 
1169 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
1170                   const char *name)
1171 {
1172     X509_ATTRIBUTE *attr;
1173     ASN1_TYPE *av;
1174     int i, j, attr_nid;
1175     if (!attrlst) {
1176         BIO_printf(out, "%s: <No Attributes>\n", name);
1177         return 1;
1178     }
1179     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
1180         BIO_printf(out, "%s: <Empty Attributes>\n", name);
1181         return 1;
1182     }
1183     BIO_printf(out, "%s\n", name);
1184     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
1185         ASN1_OBJECT *attr_obj;
1186         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
1187         attr_obj = X509_ATTRIBUTE_get0_object(attr);
1188         attr_nid = OBJ_obj2nid(attr_obj);
1189         BIO_printf(out, "    ");
1190         if (attr_nid == NID_undef) {
1191             i2a_ASN1_OBJECT(out, attr_obj);
1192             BIO_printf(out, ": ");
1193         } else {
1194             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
1195         }
1196 
1197         if (X509_ATTRIBUTE_count(attr)) {
1198             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
1199             {
1200                 av = X509_ATTRIBUTE_get0_type(attr, j);
1201                 print_attribute(out, av);
1202             }
1203         } else {
1204             BIO_printf(out, "<No Values>\n");
1205         }
1206     }
1207     return 1;
1208 }
1209 
1210 void hex_prin(BIO *out, unsigned char *buf, int len)
1211 {
1212     int i;
1213     for (i = 0; i < len; i++)
1214         BIO_printf(out, "%02X ", buf[i]);
1215 }
1216 
1217 static int set_pbe(int *ppbe, const char *str)
1218 {
1219     if (!str)
1220         return 0;
1221     if (strcmp(str, "NONE") == 0) {
1222         *ppbe = -1;
1223         return 1;
1224     }
1225     *ppbe = OBJ_txt2nid(str);
1226     if (*ppbe == NID_undef) {
1227         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1228         return 0;
1229     }
1230     return 1;
1231 }
1232