/* p12_crt.c */ /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL * project. */ /* ==================================================================== * Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * licensing@OpenSSL.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include #include "cryptlib.h" #include #ifdef OPENSSL_FIPS #include #endif static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag); static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid) { int idx; X509_ATTRIBUTE *attr; idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1); if (idx < 0) return 1; attr = EVP_PKEY_get_attr(pkey, idx); if (!X509at_add1_attr(&bag->attrib, attr)) return 0; return 1; } PKCS12 *PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert, STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter, int keytype) { PKCS12 *p12 = NULL; STACK_OF(PKCS7) *safes = NULL; STACK_OF(PKCS12_SAFEBAG) *bags = NULL; PKCS12_SAFEBAG *bag = NULL; int i; unsigned char keyid[EVP_MAX_MD_SIZE]; unsigned int keyidlen = 0; /* Set defaults */ if (!nid_cert) { #ifdef OPENSSL_FIPS if (FIPS_mode()) nid_cert = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; else #endif nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; } if (!nid_key) nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; if (!iter) iter = PKCS12_DEFAULT_ITER; if (!mac_iter) mac_iter = 1; if(!pkey && !cert && !ca) { PKCS12err(PKCS12_F_PKCS12_CREATE,PKCS12_R_INVALID_NULL_ARGUMENT); return NULL; } if (pkey && cert) { if(!X509_check_private_key(cert, pkey)) return NULL; X509_digest(cert, EVP_sha1(), keyid, &keyidlen); } if (cert) { bag = PKCS12_add_cert(&bags, cert); if(name && !PKCS12_add_friendlyname(bag, name, -1)) goto err; if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) goto err; } /* Add all other certificates */ for(i = 0; i < sk_X509_num(ca); i++) { if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) goto err; } if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) goto err; sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); bags = NULL; if (pkey) { bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); if (!bag) goto err; if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) goto err; if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) goto err; if(name && !PKCS12_add_friendlyname(bag, name, -1)) goto err; if(keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) goto err; } if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) goto err; sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); bags = NULL; p12 = PKCS12_add_safes(safes, 0); sk_PKCS7_pop_free(safes, PKCS7_free); safes = NULL; if ((mac_iter != -1) && !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) goto err; return p12; err: if (p12) PKCS12_free(p12); if (safes) sk_PKCS7_pop_free(safes, PKCS7_free); if (bags) sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); return NULL; } PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) { PKCS12_SAFEBAG *bag = NULL; char *name; int namelen = -1; unsigned char *keyid; int keyidlen = -1; /* Add user certificate */ if(!(bag = PKCS12_x5092certbag(cert))) goto err; /* Use friendlyName and localKeyID in certificate. * (if present) */ name = (char *)X509_alias_get0(cert, &namelen); if(name && !PKCS12_add_friendlyname(bag, name, namelen)) goto err; keyid = X509_keyid_get0(cert, &keyidlen); if(keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) goto err; if (!pkcs12_add_bag(pbags, bag)) goto err; return bag; err: if (bag) PKCS12_SAFEBAG_free(bag); return NULL; } PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, int key_usage, int iter, int nid_key, char *pass) { PKCS12_SAFEBAG *bag = NULL; PKCS8_PRIV_KEY_INFO *p8 = NULL; /* Make a PKCS#8 structure */ if(!(p8 = EVP_PKEY2PKCS8(key))) goto err; if(key_usage && !PKCS8_add_keyusage(p8, key_usage)) goto err; if (nid_key != -1) { bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, iter, p8); PKCS8_PRIV_KEY_INFO_free(p8); } else bag = PKCS12_MAKE_KEYBAG(p8); if(!bag) goto err; if (!pkcs12_add_bag(pbags, bag)) goto err; return bag; err: if (bag) PKCS12_SAFEBAG_free(bag); return NULL; } int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, int nid_safe, int iter, char *pass) { PKCS7 *p7 = NULL; int free_safes = 0; if (!*psafes) { *psafes = sk_PKCS7_new_null(); if (!*psafes) return 0; free_safes = 1; } else free_safes = 0; if (nid_safe == 0) nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; if (nid_safe == -1) p7 = PKCS12_pack_p7data(bags); else p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, iter, bags); if (!p7) goto err; if (!sk_PKCS7_push(*psafes, p7)) goto err; return 1; err: if (free_safes) { sk_PKCS7_free(*psafes); *psafes = NULL; } if (p7) PKCS7_free(p7); return 0; } static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) { int free_bags; if (!pbags) return 1; if (!*pbags) { *pbags = sk_PKCS12_SAFEBAG_new_null(); if (!*pbags) return 0; free_bags = 1; } else free_bags = 0; if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) { if (free_bags) { sk_PKCS12_SAFEBAG_free(*pbags); *pbags = NULL; } return 0; } return 1; } PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) { PKCS12 *p12; if (nid_p7 <= 0) nid_p7 = NID_pkcs7_data; p12 = PKCS12_init(nid_p7); if (!p12) return NULL; if(!PKCS12_pack_authsafes(p12, safes)) { PKCS12_free(p12); return NULL; } return p12; }