apps/pkcs12.c

   1 /*
   2  * Copyright 1999-2021 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
  23 #define NOKEYS          0x1
  24 #define NOCERTS         0x2
  25 #define INFO            0x4
  26 #define CLCERTS         0x8
  27 #define CACERTS         0x10
  28
  29 #define PASSWD_BUF_SIZE 2048
  30 #define PKCS12_DEFAULT_PBE NID_aes_256_cbc
  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_ERR = -1, OPT_EOF = 0, OPT_HELP,
  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     OPT_DESCERT, OPT_EXPORT, OPT_ITER, OPT_NOITER, OPT_MACITER, OPT_NOMACITER,
  62     OPT_NOMAC, OPT_LMK, OPT_NODES, OPT_NOENC, OPT_MACALG, OPT_CERTPBE, OPT_KEYPBE,
  63     OPT_INKEY, OPT_CERTFILE, OPT_UNTRUSTED, OPT_PASSCERTS,
  64     OPT_NAME, OPT_CSP, OPT_CANAME,
  65     OPT_IN, OPT_OUT, OPT_PASSIN, OPT_PASSOUT, OPT_PASSWORD, OPT_CAPATH,
  66     OPT_CAFILE, OPT_CASTORE, OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, OPT_ENGINE,
  67     OPT_R_ENUM, OPT_PROV_ENUM, OPT_LEGACY_ALG
  68 } OPTION_CHOICE;
  69
  70 const OPTIONS pkcs12_options[] = {
  71     OPT_SECTION("General"),
  72     {"help", OPT_HELP, '-', "Display this summary"},
  73     {"in", OPT_IN, '<', "Input file"},
  74     {"out", OPT_OUT, '>', "Output file"},
  75     {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
  76     {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
  77     {"password", OPT_PASSWORD, 's', "Set PKCS#12 import/export password source"},
  78     {"twopass", OPT_TWOPASS, '-', "Separate MAC, encryption passwords"},
  79     {"nokeys", OPT_NOKEYS, '-', "Don't output private keys"},
  80     {"nocerts", OPT_NOCERTS, '-', "Don't output certificates"},
  81     {"noout", OPT_NOOUT, '-', "Don't output anything, just verify PKCS#12 input"},
  82     {"legacy", OPT_LEGACY_ALG, '-',
  83 #ifdef OPENSSL_NO_RC2
  84      "Use legacy encryption algorithm 3DES_CBC for keys and certs"
  85 #else
  86      "Use legacy encryption: 3DES_CBC for keys, RC2_CBC for certs"
  87 #endif
  88     },
  89 #ifndef OPENSSL_NO_ENGINE
  90     {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
  91 #endif
  92     OPT_PROV_OPTIONS,
  93     OPT_R_OPTIONS,
  94
  95     OPT_SECTION("PKCS#12 import (parsing PKCS#12)"),
  96     {"info", OPT_INFO, '-', "Print info about PKCS#12 structure"},
  97     {"nomacver", OPT_NOMACVER, '-', "Don't verify integrity MAC"},
  98     {"clcerts", OPT_CLCERTS, '-', "Only output client certificates"},
  99     {"cacerts", OPT_CACERTS, '-', "Only output CA certificates"},
 100     {"", OPT_CIPHER, '-', "Any supported cipher for output encryption"},
 101     {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
 102     {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
 103
 104     OPT_SECTION("PKCS#12 output (export)"),
 105     {"export", OPT_EXPORT, '-', "Create PKCS12 file"},
 106     {"inkey", OPT_INKEY, 's', "Private key, else read from -in input file"},
 107     {"certfile", OPT_CERTFILE, '<', "Extra certificates for PKCS12 output"},
 108     {"passcerts", OPT_PASSCERTS, 's', "Certificate file pass phrase source"},
 109     {"chain", OPT_CHAIN, '-', "Build and add certificate chain for EE cert,"},
 110     {OPT_MORE_STR, 0, 0,
 111      "which is the 1st cert from -in matching the privte key (if given)"},
 112     {"untrusted", OPT_UNTRUSTED, '<', "Untrusted certificates for chain building"},
 113     {"CAfile", OPT_CAFILE, '<', "PEM-format file of CA's"},
 114     {"CApath", OPT_CAPATH, '/', "PEM-format directory of CA's"},
 115     {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
 116     {"no-CAfile", OPT_NOCAFILE, '-',
 117      "Do not load the default certificates file"},
 118     {"no-CApath", OPT_NOCAPATH, '-',
 119      "Do not load certificates from the default certificates directory"},
 120     {"no-CAstore", OPT_NOCASTORE, '-',
 121      "Do not load certificates from the default certificates store"},
 122     {"name", OPT_NAME, 's', "Use name as friendly name"},
 123     {"caname", OPT_CANAME, 's',
 124      "Use name as CA friendly name (can be repeated)"},
 125     {"CSP", OPT_CSP, 's', "Microsoft CSP name"},
 126     {"LMK", OPT_LMK, '-',
 127      "Add local machine keyset attribute to private key"},
 128     {"keyex", OPT_KEYEX, '-', "Set key type to MS key exchange"},
 129     {"keysig", OPT_KEYSIG, '-', "Set key type to MS key signature"},
 130     {"keypbe", OPT_KEYPBE, 's', "Private key PBE algorithm (default AES-256 CBC)"},
 131     {"certpbe", OPT_CERTPBE, 's',
 132      "Certificate PBE algorithm (default PBES2 with PBKDF2 and AES-256 CBC)"},
 133     {"descert", OPT_DESCERT, '-',
 134      "Encrypt output with 3DES (default PBES2 with PBKDF2 and AES-256 CBC)"},
 135     {"macalg", OPT_MACALG, 's',
 136      "Digest algorithm to use in MAC (default SHA1)"},
 137     {"iter", OPT_ITER, 'p', "Specify the iteration count for encryption and MAC"},
 138     {"noiter", OPT_NOITER, '-', "Don't use encryption iteration"},
 139     {"nomaciter", OPT_NOMACITER, '-', "Don't use MAC iteration)"},
 140     {"maciter", OPT_MACITER, '-', "Unused, kept for backwards compatibility"},
 141     {"nomac", OPT_NOMAC, '-', "Don't generate MAC"},
 142     {NULL}
 143 };
 144
 145 int pkcs12_main(int argc, char **argv)
 146 {
 147     char *infile = NULL, *outfile = NULL, *keyname = NULL, *certfile = NULL;
 148     char *untrusted = NULL, *ciphername = NULL, *enc_flag = NULL;
 149     char *passcertsarg = NULL, *passcerts = NULL;
 150     char *name = NULL, *csp_name = NULL;
 151     char pass[PASSWD_BUF_SIZE] = "", macpass[PASSWD_BUF_SIZE] = "";
 152     int export_pkcs12 = 0, options = 0, chain = 0, twopass = 0, keytype = 0, use_legacy = 0;
 153     int iter = PKCS12_DEFAULT_ITER, maciter = PKCS12_DEFAULT_ITER;
 154     int cert_pbe = PKCS12_DEFAULT_PBE;
 155     int key_pbe = PKCS12_DEFAULT_PBE;
 156     int ret = 1, macver = 1, add_lmk = 0, private = 0;
 157     int noprompt = 0;
 158     char *passinarg = NULL, *passoutarg = NULL, *passarg = NULL;
 159     char *passin = NULL, *passout = NULL, *macalg = NULL;
 160     char *cpass = NULL, *mpass = NULL, *badpass = NULL;
 161     const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL, *prog;
 162     int noCApath = 0, noCAfile = 0, noCAstore = 0;
 163     ENGINE *e = NULL;
 164     BIO *in = NULL, *out = NULL;
 165     PKCS12 *p12 = NULL;
 166     STACK_OF(OPENSSL_STRING) *canames = NULL;
 167     const EVP_CIPHER *const default_enc = EVP_aes_256_cbc();
 168     const EVP_CIPHER *enc = default_enc;
 169     OPTION_CHOICE o;
 170
 171     prog = opt_init(argc, argv, pkcs12_options);
 172     while ((o = opt_next()) != OPT_EOF) {
 173         switch (o) {
 174         case OPT_EOF:
 175         case OPT_ERR:
 176  opthelp:
 177             BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
 178             goto end;
 179         case OPT_HELP:
 180             opt_help(pkcs12_options);
 181             ret = 0;
 182             goto end;
 183         case OPT_NOKEYS:
 184             options |= NOKEYS;
 185             break;
 186         case OPT_KEYEX:
 187             keytype = KEY_EX;
 188             break;
 189         case OPT_KEYSIG:
 190             keytype = KEY_SIG;
 191             break;
 192         case OPT_NOCERTS:
 193             options |= NOCERTS;
 194             break;
 195         case OPT_CLCERTS:
 196             options |= CLCERTS;
 197             break;
 198         case OPT_CACERTS:
 199             options |= CACERTS;
 200             break;
 201         case OPT_NOOUT:
 202             options |= (NOKEYS | NOCERTS);
 203             break;
 204         case OPT_INFO:
 205             options |= INFO;
 206             break;
 207         case OPT_CHAIN:
 208             chain = 1;
 209             break;
 210         case OPT_TWOPASS:
 211             twopass = 1;
 212             break;
 213         case OPT_NOMACVER:
 214             macver = 0;
 215             break;
 216         case OPT_DESCERT:
 217             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 218             break;
 219         case OPT_EXPORT:
 220             export_pkcs12 = 1;
 221             break;
 222         case OPT_NODES:
 223         case OPT_NOENC:
 224             /*
 225              * |enc_flag| stores the name of the option used so it
 226              * can be printed if an error message is output.
 227              */
 228             enc_flag = opt_flag() + 1;
 229             enc = NULL;
 230             ciphername = NULL;
 231             break;
 232         case OPT_CIPHER:
 233             ciphername = opt_unknown();
 234             enc_flag = opt_unknown();
 235             break;
 236         case OPT_ITER:
 237             if (!opt_int(opt_arg(), &iter))
 238                 goto opthelp;
 239             maciter = iter;
 240             break;
 241         case OPT_NOITER:
 242             iter = 1;
 243             break;
 244         case OPT_MACITER:
 245             /* no-op */
 246             break;
 247         case OPT_NOMACITER:
 248             maciter = 1;
 249             break;
 250         case OPT_NOMAC:
 251             cert_pbe = -1;
 252             maciter = -1;
 253             break;
 254         case OPT_MACALG:
 255             macalg = opt_arg();
 256             break;
 257         case OPT_CERTPBE:
 258             if (!set_pbe(&cert_pbe, opt_arg()))
 259                 goto opthelp;
 260             break;
 261         case OPT_KEYPBE:
 262             if (!set_pbe(&key_pbe, opt_arg()))
 263                 goto opthelp;
 264             break;
 265         case OPT_R_CASES:
 266             if (!opt_rand(o))
 267                 goto end;
 268             break;
 269         case OPT_INKEY:
 270             keyname = opt_arg();
 271             break;
 272         case OPT_CERTFILE:
 273             certfile = opt_arg();
 274             break;
 275         case OPT_UNTRUSTED:
 276             untrusted = opt_arg();
 277             break;
 278         case OPT_PASSCERTS:
 279             passcertsarg = opt_arg();
 280             break;
 281         case OPT_NAME:
 282             name = opt_arg();
 283             break;
 284         case OPT_LMK:
 285             add_lmk = 1;
 286             break;
 287         case OPT_CSP:
 288             csp_name = opt_arg();
 289             break;
 290         case OPT_CANAME:
 291             if (canames == NULL
 292                 && (canames = sk_OPENSSL_STRING_new_null()) == NULL)
 293                 goto end;
 294             sk_OPENSSL_STRING_push(canames, opt_arg());
 295             break;
 296         case OPT_IN:
 297             infile = opt_arg();
 298             break;
 299         case OPT_OUT:
 300             outfile = opt_arg();
 301             break;
 302         case OPT_PASSIN:
 303             passinarg = opt_arg();
 304             break;
 305         case OPT_PASSOUT:
 306             passoutarg = opt_arg();
 307             break;
 308         case OPT_PASSWORD:
 309             passarg = opt_arg();
 310             break;
 311         case OPT_CAPATH:
 312             CApath = opt_arg();
 313             break;
 314         case OPT_CASTORE:
 315             CAstore = opt_arg();
 316             break;
 317         case OPT_CAFILE:
 318             CAfile = opt_arg();
 319             break;
 320         case OPT_NOCAPATH:
 321             noCApath = 1;
 322             break;
 323         case OPT_NOCASTORE:
 324             noCAstore = 1;
 325             break;
 326         case OPT_NOCAFILE:
 327             noCAfile = 1;
 328             break;
 329         case OPT_ENGINE:
 330             e = setup_engine(opt_arg(), 0);
 331             break;
 332         case OPT_LEGACY_ALG:
 333             use_legacy = 1;
 334             break;
 335         case OPT_PROV_CASES:
 336             if (!opt_provider(o))
 337                 goto end;
 338             break;
 339         }
 340     }
 341
 342     /* No extra arguments. */
 343     argc = opt_num_rest();
 344     if (argc != 0)
 345         goto opthelp;
 346
 347     app_RAND_load();
 348     if (ciphername != NULL) {
 349         if (!opt_cipher(ciphername, &enc))
 350             goto opthelp;
 351     }
 352     if (export_pkcs12) {
 353         if ((options & INFO) != 0)
 354             WARN_EXPORT("info");
 355         if (macver == 0)
 356             WARN_EXPORT("nomacver");
 357         if ((options & CLCERTS) != 0)
 358             WARN_EXPORT("clcerts");
 359         if ((options & CACERTS) != 0)
 360             WARN_EXPORT("cacerts");
 361         if (enc != default_enc)
 362             BIO_printf(bio_err,
 363                        "Warning: output encryption option -%s ignored with -export\n", enc_flag);
 364     } else {
 365         if (keyname != NULL)
 366             WARN_NO_EXPORT("inkey");
 367         if (certfile != NULL)
 368             WARN_NO_EXPORT("certfile");
 369         if (passcertsarg != NULL)
 370             WARN_NO_EXPORT("passcerts");
 371         if (chain)
 372             WARN_NO_EXPORT("chain");
 373         if (untrusted != NULL)
 374             WARN_NO_EXPORT("untrusted");
 375         if (CAfile != NULL)
 376             WARN_NO_EXPORT("CAfile");
 377         if (CApath != NULL)
 378             WARN_NO_EXPORT("CApath");
 379         if (CAstore != NULL)
 380             WARN_NO_EXPORT("CAstore");
 381         if (noCAfile)
 382             WARN_NO_EXPORT("no-CAfile");
 383         if (noCApath)
 384             WARN_NO_EXPORT("no-CApath");
 385         if (noCAstore)
 386             WARN_NO_EXPORT("no-CAstore");
 387         if (name != NULL)
 388             WARN_NO_EXPORT("name");
 389         if (canames != NULL)
 390             WARN_NO_EXPORT("caname");
 391         if (csp_name != NULL)
 392             WARN_NO_EXPORT("CSP");
 393         if (add_lmk)
 394             WARN_NO_EXPORT("LMK");
 395         if (keytype == KEY_EX)
 396             WARN_NO_EXPORT("keyex");
 397         if (keytype == KEY_SIG)
 398             WARN_NO_EXPORT("keysig");
 399         if (key_pbe != PKCS12_DEFAULT_PBE)
 400             WARN_NO_EXPORT("keypbe");
 401         if (cert_pbe != PKCS12_DEFAULT_PBE && cert_pbe != -1)
 402             WARN_NO_EXPORT("certpbe and -descert");
 403         if (macalg != NULL)
 404             WARN_NO_EXPORT("macalg");
 405         if (iter != PKCS12_DEFAULT_ITER)
 406             WARN_NO_EXPORT("iter and -noiter");
 407         if (maciter == 1)
 408             WARN_NO_EXPORT("nomaciter");
 409         if (cert_pbe == -1 && maciter == -1)
 410             WARN_NO_EXPORT("nomac");
 411     }
 412     if (use_legacy) {
 413         /* load the legacy provider if not loaded already*/
 414         if (!OSSL_PROVIDER_available(app_get0_libctx(), "legacy")) {
 415             if (!app_provider_load(app_get0_libctx(), "legacy"))
 416                 goto end;
 417             /* load the default provider explicitly */
 418             if (!app_provider_load(app_get0_libctx(), "default"))
 419                 goto end;
 420         }
 421         if (cert_pbe == PKCS12_DEFAULT_PBE) {
 422             /* Adapt default algorithm */
 423 #ifndef OPENSSL_NO_RC2
 424             cert_pbe = NID_pbe_WithSHA1And40BitRC2_CBC;
 425 #else
 426             cert_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 427 #endif
 428         }
 429
 430         if (key_pbe == PKCS12_DEFAULT_PBE)
 431             key_pbe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
 432         if (enc == default_enc)
 433             enc = EVP_des_ede3_cbc();
 434     }
 435
 436
 437     private = 1;
 438
 439     if (!app_passwd(passcertsarg, NULL, &passcerts, NULL)) {
 440         BIO_printf(bio_err, "Error getting certificate file password\n");
 441         goto end;
 442     }
 443
 444     if (passarg != NULL) {
 445         if (export_pkcs12)
 446             passoutarg = passarg;
 447         else
 448             passinarg = passarg;
 449     }
 450
 451     if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
 452         BIO_printf(bio_err, "Error getting passwords\n");
 453         goto end;
 454     }
 455
 456     if (cpass == NULL) {
 457         if (export_pkcs12)
 458             cpass = passout;
 459         else
 460             cpass = passin;
 461     }
 462
 463     if (cpass != NULL) {
 464         mpass = cpass;
 465         noprompt = 1;
 466         if (twopass) {
 467             if (export_pkcs12)
 468                 BIO_printf(bio_err, "Option -twopass cannot be used with -passout or -password\n");
 469             else
 470                 BIO_printf(bio_err, "Option -twopass cannot be used with -passin or -password\n");
 471             goto end;
 472         }
 473     } else {
 474         cpass = pass;
 475         mpass = macpass;
 476     }
 477
 478     if (twopass) {
 479         /* To avoid bit rot */
 480         if (1) {
 481 #ifndef OPENSSL_NO_UI_CONSOLE
 482             if (EVP_read_pw_string(
 483                 macpass, sizeof(macpass), "Enter MAC Password:", export_pkcs12)) {
 484                 BIO_printf(bio_err, "Can't read Password\n");
 485                 goto end;
 486             }
 487         } else {
 488 #endif
 489             BIO_printf(bio_err, "Unsupported option -twopass\n");
 490             goto end;
 491         }
 492     }
 493
 494     if (export_pkcs12) {
 495         EVP_PKEY *key = NULL;
 496         X509 *ee_cert = NULL, *x = NULL;
 497         STACK_OF(X509) *certs = NULL;
 498         STACK_OF(X509) *untrusted_certs = NULL;
 499         const EVP_MD *macmd = NULL;
 500         unsigned char *catmp = NULL;
 501         int i;
 502
 503         if ((options & (NOCERTS | NOKEYS)) == (NOCERTS | NOKEYS)) {
 504             BIO_printf(bio_err, "Nothing to export due to -noout or -nocerts and -nokeys\n");
 505             goto export_end;
 506         }
 507
 508         if ((options & NOCERTS) != 0) {
 509             chain = 0;
 510             BIO_printf(bio_err, "Warning: -chain option ignored with -nocerts\n");
 511         }
 512
 513         if (!(options & NOKEYS)) {
 514             key = load_key(keyname ? keyname : infile,
 515                            FORMAT_PEM, 1, passin, e,
 516                            keyname ?
 517                            "private key from -inkey file" :
 518                            "private key from -in file");
 519             if (key == NULL)
 520                 goto export_end;
 521         }
 522
 523         /* Load all certs in input file */
 524         if (!(options & NOCERTS)) {
 525             if (!load_certs(infile, &certs, passin,
 526                             "certificates from -in file"))
 527                 goto export_end;
 528             if (sk_X509_num(certs) < 1) {
 529                 BIO_printf(bio_err, "No certificate in -in file %s\n", infile);
 530                 goto export_end;
 531             }
 532
 533             if (key != NULL) {
 534                 /* Look for matching private key */
 535                 for (i = 0; i < sk_X509_num(certs); i++) {
 536                     x = sk_X509_value(certs, i);
 537                     if (X509_check_private_key(x, key)) {
 538                         ee_cert = x;
 539                         /* Zero keyid and alias */
 540                         X509_keyid_set1(ee_cert, NULL, 0);
 541                         X509_alias_set1(ee_cert, NULL, 0);
 542                         /* Remove from list */
 543                         (void)sk_X509_delete(certs, i);
 544                         break;
 545                     }
 546                 }
 547                 if (ee_cert == NULL) {
 548                     BIO_printf(bio_err,
 549                                "No cert in -in file '%s' matches private key\n",
 550                                infile);
 551                     goto export_end;
 552                 }
 553             } else {
 554                 ee_cert = X509_dup(sk_X509_value(certs, 0)); /* take 1st cert */
 555             }
 556         }
 557
 558         /* Load any untrusted certificates for chain building */
 559         if (untrusted != NULL) {
 560             if (!load_certs(untrusted, &untrusted_certs, passcerts,
 561                             "untrusted certificates"))
 562                 goto export_end;
 563         }
 564
 565         /* If chaining get chain from end entity cert */
 566         if (chain) {
 567             int vret;
 568             STACK_OF(X509) *chain2;
 569             X509_STORE *store;
 570
 571             if (ee_cert == NULL) {
 572                 BIO_printf(bio_err,
 573                            "No end entity certificate to check with -chain\n");
 574                 goto export_end;
 575             }
 576
 577             if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath,
 578                                       CAstore, noCAstore))
 579                     == NULL)
 580                 goto export_end;
 581
 582             vret = get_cert_chain(ee_cert, store, untrusted_certs, &chain2);
 583             X509_STORE_free(store);
 584
 585             if (vret == X509_V_OK) {
 586                 int add_certs;
 587                 /* Remove from chain2 the first (end entity) certificate */
 588                 X509_free(sk_X509_shift(chain2));
 589                 /* Add the remaining certs (except for duplicates) */
 590                 add_certs = X509_add_certs(certs, chain2, X509_ADD_FLAG_UP_REF
 591                                            | X509_ADD_FLAG_NO_DUP);
 592                 sk_X509_pop_free(chain2, X509_free);
 593                 if (!add_certs)
 594                     goto export_end;
 595             } else {
 596                 if (vret != X509_V_ERR_UNSPECIFIED)
 597                     BIO_printf(bio_err, "Error getting chain: %s\n",
 598                                X509_verify_cert_error_string(vret));
 599                 goto export_end;
 600             }
 601         }
 602
 603         /* Add any extra certificates asked for */
 604         if (certfile != NULL) {
 605             if (!load_certs(certfile, &certs, passcerts,
 606                             "extra certificates from -certfile"))
 607                 goto export_end;
 608         }
 609
 610         /* Add any CA names */
 611         for (i = 0; i < sk_OPENSSL_STRING_num(canames); i++) {
 612             catmp = (unsigned char *)sk_OPENSSL_STRING_value(canames, i);
 613             X509_alias_set1(sk_X509_value(certs, i), catmp, -1);
 614         }
 615
 616         if (csp_name != NULL && key != NULL)
 617             EVP_PKEY_add1_attr_by_NID(key, NID_ms_csp_name,
 618                                       MBSTRING_ASC, (unsigned char *)csp_name,
 619                                       -1);
 620
 621         if (add_lmk && key != NULL)
 622             EVP_PKEY_add1_attr_by_NID(key, NID_LocalKeySet, 0, NULL, -1);
 623
 624         if (!noprompt && !(enc == NULL && maciter == -1)) {
 625             /* To avoid bit rot */
 626             if (1) {
 627 #ifndef OPENSSL_NO_UI_CONSOLE
 628                 if (EVP_read_pw_string(pass, sizeof(pass),
 629                                        "Enter Export Password:", 1)) {
 630                     BIO_printf(bio_err, "Can't read Password\n");
 631                     goto export_end;
 632                 }
 633             } else {
 634 #endif
 635                 BIO_printf(bio_err, "Password required\n");
 636                 goto export_end;
 637             }
 638         }
 639
 640         if (!twopass)
 641             OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 642
 643         p12 = PKCS12_create(cpass, name, key, ee_cert, certs,
 644                             key_pbe, cert_pbe, iter, -1, keytype);
 645
 646         if (p12 == NULL) {
 647             BIO_printf(bio_err, "Error creating PKCS12 structure for %s\n",
 648                        outfile);
 649             goto export_end;
 650         }
 651
 652         if (macalg != NULL) {
 653             if (!opt_md(macalg, &macmd))
 654                 goto opthelp;
 655         }
 656
 657         if (maciter != -1)
 658             if (!PKCS12_set_mac(p12, mpass, -1, NULL, 0, maciter, macmd)) {
 659                 BIO_printf(bio_err, "Error creating PKCS12 MAC; no PKCS12KDF support?\n");
 660                 BIO_printf(bio_err, "Use -nomac if MAC not required and PKCS12KDF support not available.\n");
 661                 goto export_end;
 662             }
 663
 664         assert(private);
 665
 666         out = bio_open_owner(outfile, FORMAT_PKCS12, private);
 667         if (out == NULL)
 668             goto end;
 669
 670         i2d_PKCS12_bio(out, p12);
 671
 672         ret = 0;
 673
 674  export_end:
 675
 676         EVP_PKEY_free(key);
 677         sk_X509_pop_free(certs, X509_free);
 678         sk_X509_pop_free(untrusted_certs, X509_free);
 679         X509_free(ee_cert);
 680
 681         ERR_print_errors(bio_err);
 682         goto end;
 683
 684     }
 685
 686     in = bio_open_default(infile, 'r', FORMAT_PKCS12);
 687     if (in == NULL)
 688         goto end;
 689     out = bio_open_owner(outfile, FORMAT_PEM, private);
 690     if (out == NULL)
 691         goto end;
 692
 693     if ((p12 = d2i_PKCS12_bio(in, NULL)) == NULL) {
 694         ERR_print_errors(bio_err);
 695         goto end;
 696     }
 697
 698     if (!noprompt) {
 699         if (1) {
 700 #ifndef OPENSSL_NO_UI_CONSOLE
 701             if (EVP_read_pw_string(pass, sizeof(pass), "Enter Import Password:",
 702                                    0)) {
 703                 BIO_printf(bio_err, "Can't read Password\n");
 704                 goto end;
 705             }
 706         } else {
 707 #endif
 708             BIO_printf(bio_err, "Password required\n");
 709             goto end;
 710         }
 711     }
 712
 713     if (!twopass)
 714         OPENSSL_strlcpy(macpass, pass, sizeof(macpass));
 715
 716     if ((options & INFO) && PKCS12_mac_present(p12)) {
 717         const ASN1_INTEGER *tmaciter;
 718         const X509_ALGOR *macalgid;
 719         const ASN1_OBJECT *macobj;
 720         const ASN1_OCTET_STRING *tmac;
 721         const ASN1_OCTET_STRING *tsalt;
 722
 723         PKCS12_get0_mac(&tmac, &macalgid, &tsalt, &tmaciter, p12);
 724         /* current hash algorithms do not use parameters so extract just name,
 725            in future alg_print() may be needed */
 726         X509_ALGOR_get0(&macobj, NULL, NULL, macalgid);
 727         BIO_puts(bio_err, "MAC: ");
 728         i2a_ASN1_OBJECT(bio_err, macobj);
 729         BIO_printf(bio_err, ", Iteration %ld\n",
 730                    tmaciter != NULL ? ASN1_INTEGER_get(tmaciter) : 1L);
 731         BIO_printf(bio_err, "MAC length: %ld, salt length: %ld\n",
 732                    tmac != NULL ? ASN1_STRING_length(tmac) : 0L,
 733                    tsalt != NULL ? ASN1_STRING_length(tsalt) : 0L);
 734     }
 735     if (macver) {
 736         /* If we enter empty password try no password first */
 737         if (!mpass[0] && PKCS12_verify_mac(p12, NULL, 0)) {
 738             /* If mac and crypto pass the same set it to NULL too */
 739             if (!twopass)
 740                 cpass = NULL;
 741         } else if (!PKCS12_verify_mac(p12, mpass, -1)) {
 742             /*
 743              * May be UTF8 from previous version of OpenSSL:
 744              * convert to a UTF8 form which will translate
 745              * to the same Unicode password.
 746              */
 747             unsigned char *utmp;
 748             int utmplen;
 749             utmp = OPENSSL_asc2uni(mpass, -1, NULL, &utmplen);
 750             if (utmp == NULL)
 751                 goto end;
 752             badpass = OPENSSL_uni2utf8(utmp, utmplen);
 753             OPENSSL_free(utmp);
 754             if (!PKCS12_verify_mac(p12, badpass, -1)) {
 755                 BIO_printf(bio_err, "Mac verify error: invalid password?\n");
 756                 ERR_print_errors(bio_err);
 757                 goto end;
 758             } else {
 759                 BIO_printf(bio_err, "Warning: using broken algorithm\n");
 760                 if (!twopass)
 761                     cpass = badpass;
 762             }
 763         }
 764     }
 765
 766     assert(private);
 767     if (!dump_certs_keys_p12(out, p12, cpass, -1, options, passout, enc)) {
 768         BIO_printf(bio_err, "Error outputting keys and certificates\n");
 769         ERR_print_errors(bio_err);
 770         goto end;
 771     }
 772     ret = 0;
 773  end:
 774     PKCS12_free(p12);
 775     release_engine(e);
 776     BIO_free(in);
 777     BIO_free_all(out);
 778     sk_OPENSSL_STRING_free(canames);
 779     OPENSSL_free(badpass);
 780     OPENSSL_free(passcerts);
 781     OPENSSL_free(passin);
 782     OPENSSL_free(passout);
 783     return ret;
 784 }
 785
 786 int dump_certs_keys_p12(BIO *out, const PKCS12 *p12, const char *pass,
 787                         int passlen, int options, char *pempass,
 788                         const EVP_CIPHER *enc)
 789 {
 790     STACK_OF(PKCS7) *asafes = NULL;
 791     STACK_OF(PKCS12_SAFEBAG) *bags;
 792     int i, bagnid;
 793     int ret = 0;
 794     PKCS7 *p7;
 795
 796     if ((asafes = PKCS12_unpack_authsafes(p12)) == NULL)
 797         return 0;
 798     for (i = 0; i < sk_PKCS7_num(asafes); i++) {
 799         p7 = sk_PKCS7_value(asafes, i);
 800         bagnid = OBJ_obj2nid(p7->type);
 801         if (bagnid == NID_pkcs7_data) {
 802             bags = PKCS12_unpack_p7data(p7);
 803             if (options & INFO)
 804                 BIO_printf(bio_err, "PKCS7 Data\n");
 805         } else if (bagnid == NID_pkcs7_encrypted) {
 806             if (options & INFO) {
 807                 BIO_printf(bio_err, "PKCS7 Encrypted data: ");
 808                 alg_print(p7->d.encrypted->enc_data->algorithm);
 809             }
 810             bags = PKCS12_unpack_p7encdata(p7, pass, passlen);
 811         } else {
 812             continue;
 813         }
 814         if (!bags)
 815             goto err;
 816         if (!dump_certs_pkeys_bags(out, bags, pass, passlen,
 817                                    options, pempass, enc)) {
 818             sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 819             goto err;
 820         }
 821         sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
 822         bags = NULL;
 823     }
 824     ret = 1;
 825
 826  err:
 827     sk_PKCS7_pop_free(asafes, PKCS7_free);
 828     return ret;
 829 }
 830
 831 int dump_certs_pkeys_bags(BIO *out, const STACK_OF(PKCS12_SAFEBAG) *bags,
 832                           const char *pass, int passlen, int options,
 833                           char *pempass, const EVP_CIPHER *enc)
 834 {
 835     int i;
 836     for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
 837         if (!dump_certs_pkeys_bag(out,
 838                                   sk_PKCS12_SAFEBAG_value(bags, i),
 839                                   pass, passlen, options, pempass, enc))
 840             return 0;
 841     }
 842     return 1;
 843 }
 844
 845 int dump_certs_pkeys_bag(BIO *out, const PKCS12_SAFEBAG *bag,
 846                          const char *pass, int passlen, int options,
 847                          char *pempass, const EVP_CIPHER *enc)
 848 {
 849     EVP_PKEY *pkey;
 850     PKCS8_PRIV_KEY_INFO *p8;
 851     const PKCS8_PRIV_KEY_INFO *p8c;
 852     X509 *x509;
 853     const STACK_OF(X509_ATTRIBUTE) *attrs;
 854     int ret = 0;
 855
 856     attrs = PKCS12_SAFEBAG_get0_attrs(bag);
 857
 858     switch (PKCS12_SAFEBAG_get_nid(bag)) {
 859     case NID_keyBag:
 860         if (options & INFO)
 861             BIO_printf(bio_err, "Key bag\n");
 862         if (options & NOKEYS)
 863             return 1;
 864         print_attribs(out, attrs, "Bag Attributes");
 865         p8c = PKCS12_SAFEBAG_get0_p8inf(bag);
 866         if ((pkey = EVP_PKCS82PKEY(p8c)) == NULL)
 867             return 0;
 868         print_attribs(out, PKCS8_pkey_get0_attrs(p8c), "Key Attributes");
 869         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 870         EVP_PKEY_free(pkey);
 871         break;
 872
 873     case NID_pkcs8ShroudedKeyBag:
 874         if (options & INFO) {
 875             const X509_SIG *tp8;
 876             const X509_ALGOR *tp8alg;
 877
 878             BIO_printf(bio_err, "Shrouded Keybag: ");
 879             tp8 = PKCS12_SAFEBAG_get0_pkcs8(bag);
 880             X509_SIG_get0(tp8, &tp8alg, NULL);
 881             alg_print(tp8alg);
 882         }
 883         if (options & NOKEYS)
 884             return 1;
 885         print_attribs(out, attrs, "Bag Attributes");
 886         if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
 887             return 0;
 888         if ((pkey = EVP_PKCS82PKEY(p8)) == NULL) {
 889             PKCS8_PRIV_KEY_INFO_free(p8);
 890             return 0;
 891         }
 892         print_attribs(out, PKCS8_pkey_get0_attrs(p8), "Key Attributes");
 893         PKCS8_PRIV_KEY_INFO_free(p8);
 894         ret = PEM_write_bio_PrivateKey(out, pkey, enc, NULL, 0, NULL, pempass);
 895         EVP_PKEY_free(pkey);
 896         break;
 897
 898     case NID_certBag:
 899         if (options & INFO)
 900             BIO_printf(bio_err, "Certificate bag\n");
 901         if (options & NOCERTS)
 902             return 1;
 903         if (PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)) {
 904             if (options & CACERTS)
 905                 return 1;
 906         } else if (options & CLCERTS)
 907             return 1;
 908         print_attribs(out, attrs, "Bag Attributes");
 909         if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
 910             return 1;
 911         if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
 912             return 0;
 913         dump_cert_text(out, x509);
 914         ret = PEM_write_bio_X509(out, x509);
 915         X509_free(x509);
 916         break;
 917
 918     case NID_secretBag:
 919         if (options & INFO)
 920             BIO_printf(bio_err, "Secret bag\n");
 921         print_attribs(out, attrs, "Bag Attributes");
 922         BIO_printf(bio_err, "Bag Type: ");
 923         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_bag_type(bag));
 924         BIO_printf(bio_err, "\nBag Value: ");
 925         print_attribute(out, PKCS12_SAFEBAG_get0_bag_obj(bag));
 926         return 1;
 927
 928     case NID_safeContentsBag:
 929         if (options & INFO)
 930             BIO_printf(bio_err, "Safe Contents bag\n");
 931         print_attribs(out, attrs, "Bag Attributes");
 932         return dump_certs_pkeys_bags(out, PKCS12_SAFEBAG_get0_safes(bag),
 933                                      pass, passlen, options, pempass, enc);
 934
 935     default:
 936         BIO_printf(bio_err, "Warning unsupported bag type: ");
 937         i2a_ASN1_OBJECT(bio_err, PKCS12_SAFEBAG_get0_type(bag));
 938         BIO_printf(bio_err, "\n");
 939         return 1;
 940     }
 941     return ret;
 942 }
 943
 944 /* Given a single certificate return a verified chain or NULL if error */
 945
 946 static int get_cert_chain(X509 *cert, X509_STORE *store,
 947                           STACK_OF(X509) *untrusted_certs,
 948                           STACK_OF(X509) **chain)
 949 {
 950     X509_STORE_CTX *store_ctx = NULL;
 951     STACK_OF(X509) *chn = NULL;
 952     int i = 0;
 953
 954     store_ctx = X509_STORE_CTX_new_ex(app_get0_libctx(), app_get0_propq());
 955     if (store_ctx == NULL) {
 956         i =  X509_V_ERR_UNSPECIFIED;
 957         goto end;
 958     }
 959     if (!X509_STORE_CTX_init(store_ctx, store, cert, untrusted_certs)) {
 960         i =  X509_V_ERR_UNSPECIFIED;
 961         goto end;
 962     }
 963
 964
 965     if (X509_verify_cert(store_ctx) > 0)
 966         chn = X509_STORE_CTX_get1_chain(store_ctx);
 967     else if ((i = X509_STORE_CTX_get_error(store_ctx)) == 0)
 968         i = X509_V_ERR_UNSPECIFIED;
 969
 970 end:
 971     X509_STORE_CTX_free(store_ctx);
 972     *chain = chn;
 973     return i;
 974 }
 975
 976 static int alg_print(const X509_ALGOR *alg)
 977 {
 978     int pbenid, aparamtype;
 979     const ASN1_OBJECT *aoid;
 980     const void *aparam;
 981     PBEPARAM *pbe = NULL;
 982
 983     X509_ALGOR_get0(&aoid, &aparamtype, &aparam, alg);
 984
 985     pbenid = OBJ_obj2nid(aoid);
 986
 987     BIO_printf(bio_err, "%s", OBJ_nid2ln(pbenid));
 988
 989     /*
 990      * If PBE algorithm is PBES2 decode algorithm parameters
 991      * for additional details.
 992      */
 993     if (pbenid == NID_pbes2) {
 994         PBE2PARAM *pbe2 = NULL;
 995         int encnid;
 996         if (aparamtype == V_ASN1_SEQUENCE)
 997             pbe2 = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBE2PARAM));
 998         if (pbe2 == NULL) {
 999             BIO_puts(bio_err, ", <unsupported parameters>");
1000             goto done;
1001         }
1002         X509_ALGOR_get0(&aoid, &aparamtype, &aparam, pbe2->keyfunc);
1003         pbenid = OBJ_obj2nid(aoid);
1004         X509_ALGOR_get0(&aoid, NULL, NULL, pbe2->encryption);
1005         encnid = OBJ_obj2nid(aoid);
1006         BIO_printf(bio_err, ", %s, %s", OBJ_nid2ln(pbenid),
1007                    OBJ_nid2sn(encnid));
1008         /* If KDF is PBKDF2 decode parameters */
1009         if (pbenid == NID_id_pbkdf2) {
1010             PBKDF2PARAM *kdf = NULL;
1011             int prfnid;
1012             if (aparamtype == V_ASN1_SEQUENCE)
1013                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBKDF2PARAM));
1014             if (kdf == NULL) {
1015                 BIO_puts(bio_err, ", <unsupported parameters>");
1016                 goto done;
1017             }
1018
1019             if (kdf->prf == NULL) {
1020                 prfnid = NID_hmacWithSHA1;
1021             } else {
1022                 X509_ALGOR_get0(&aoid, NULL, NULL, kdf->prf);
1023                 prfnid = OBJ_obj2nid(aoid);
1024             }
1025             BIO_printf(bio_err, ", Iteration %ld, PRF %s",
1026                        ASN1_INTEGER_get(kdf->iter), OBJ_nid2sn(prfnid));
1027             PBKDF2PARAM_free(kdf);
1028 #ifndef OPENSSL_NO_SCRYPT
1029         } else if (pbenid == NID_id_scrypt) {
1030             SCRYPT_PARAMS *kdf = NULL;
1031
1032             if (aparamtype == V_ASN1_SEQUENCE)
1033                 kdf = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(SCRYPT_PARAMS));
1034             if (kdf == NULL) {
1035                 BIO_puts(bio_err, ", <unsupported parameters>");
1036                 goto done;
1037             }
1038             BIO_printf(bio_err, ", Salt length: %d, Cost(N): %ld, "
1039                        "Block size(r): %ld, Parallelism(p): %ld",
1040                        ASN1_STRING_length(kdf->salt),
1041                        ASN1_INTEGER_get(kdf->costParameter),
1042                        ASN1_INTEGER_get(kdf->blockSize),
1043                        ASN1_INTEGER_get(kdf->parallelizationParameter));
1044             SCRYPT_PARAMS_free(kdf);
1045 #endif
1046         }
1047         PBE2PARAM_free(pbe2);
1048     } else {
1049         if (aparamtype == V_ASN1_SEQUENCE)
1050             pbe = ASN1_item_unpack(aparam, ASN1_ITEM_rptr(PBEPARAM));
1051         if (pbe == NULL) {
1052             BIO_puts(bio_err, ", <unsupported parameters>");
1053             goto done;
1054         }
1055         BIO_printf(bio_err, ", Iteration %ld", ASN1_INTEGER_get(pbe->iter));
1056         PBEPARAM_free(pbe);
1057     }
1058  done:
1059     BIO_puts(bio_err, "\n");
1060     return 1;
1061 }
1062
1063 /* Load all certificates from a given file */
1064
1065 int cert_load(BIO *in, STACK_OF(X509) *sk)
1066 {
1067     int ret = 0;
1068     X509 *cert;
1069
1070     while ((cert = PEM_read_bio_X509(in, NULL, NULL, NULL))) {
1071         ret = 1;
1072         if (!sk_X509_push(sk, cert))
1073             return 0;
1074     }
1075     if (ret)
1076         ERR_clear_error();
1077     return ret;
1078 }
1079
1080 /* Generalised x509 attribute value print */
1081
1082 void print_attribute(BIO *out, const ASN1_TYPE *av)
1083 {
1084     char *value;
1085
1086     switch (av->type) {
1087     case V_ASN1_BMPSTRING:
1088         value = OPENSSL_uni2asc(av->value.bmpstring->data,
1089                                 av->value.bmpstring->length);
1090         BIO_printf(out, "%s\n", value);
1091         OPENSSL_free(value);
1092         break;
1093
1094     case V_ASN1_UTF8STRING:
1095         BIO_printf(out, "%s\n", av->value.utf8string->data);
1096         break;
1097
1098     case V_ASN1_OCTET_STRING:
1099         hex_prin(out, av->value.octet_string->data,
1100                  av->value.octet_string->length);
1101         BIO_printf(out, "\n");
1102         break;
1103
1104     case V_ASN1_BIT_STRING:
1105         hex_prin(out, av->value.bit_string->data,
1106                  av->value.bit_string->length);
1107         BIO_printf(out, "\n");
1108         break;
1109
1110     default:
1111         BIO_printf(out, "<Unsupported tag %d>\n", av->type);
1112         break;
1113     }
1114 }
1115
1116 /* Generalised attribute print: handle PKCS#8 and bag attributes */
1117
1118 int print_attribs(BIO *out, const STACK_OF(X509_ATTRIBUTE) *attrlst,
1119                   const char *name)
1120 {
1121     X509_ATTRIBUTE *attr;
1122     ASN1_TYPE *av;
1123     int i, j, attr_nid;
1124     if (!attrlst) {
1125         BIO_printf(out, "%s: <No Attributes>\n", name);
1126         return 1;
1127     }
1128     if (!sk_X509_ATTRIBUTE_num(attrlst)) {
1129         BIO_printf(out, "%s: <Empty Attributes>\n", name);
1130         return 1;
1131     }
1132     BIO_printf(out, "%s\n", name);
1133     for (i = 0; i < sk_X509_ATTRIBUTE_num(attrlst); i++) {
1134         ASN1_OBJECT *attr_obj;
1135         attr = sk_X509_ATTRIBUTE_value(attrlst, i);
1136         attr_obj = X509_ATTRIBUTE_get0_object(attr);
1137         attr_nid = OBJ_obj2nid(attr_obj);
1138         BIO_printf(out, "    ");
1139         if (attr_nid == NID_undef) {
1140             i2a_ASN1_OBJECT(out, attr_obj);
1141             BIO_printf(out, ": ");
1142         } else {
1143             BIO_printf(out, "%s: ", OBJ_nid2ln(attr_nid));
1144         }
1145
1146         if (X509_ATTRIBUTE_count(attr)) {
1147             for (j = 0; j < X509_ATTRIBUTE_count(attr); j++)
1148             {
1149                 av = X509_ATTRIBUTE_get0_type(attr, j);
1150                 print_attribute(out, av);
1151             }
1152         } else {
1153             BIO_printf(out, "<No Values>\n");
1154         }
1155     }
1156     return 1;
1157 }
1158
1159 void hex_prin(BIO *out, unsigned char *buf, int len)
1160 {
1161     int i;
1162     for (i = 0; i < len; i++)
1163         BIO_printf(out, "%02X ", buf[i]);
1164 }
1165
1166 static int set_pbe(int *ppbe, const char *str)
1167 {
1168     if (!str)
1169         return 0;
1170     if (strcmp(str, "NONE") == 0) {
1171         *ppbe = -1;
1172         return 1;
1173     }
1174     *ppbe = OBJ_txt2nid(str);
1175     if (*ppbe == NID_undef) {
1176         BIO_printf(bio_err, "Unknown PBE algorithm %s\n", str);
1177         return 0;
1178     }
1179     return 1;
1180 }