1 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 2 * All rights reserved. 3 * 4 * This package is an SSL implementation written 5 * by Eric Young (eay (at) cryptsoft.com). 6 * The implementation was written so as to conform with Netscapes SSL. 7 * 8 * This library is free for commercial and non-commercial use as long as 9 * the following conditions are aheared to. The following conditions 10 * apply to all code found in this distribution, be it the RC4, RSA, 11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 12 * included with this distribution is covered by the same copyright terms 13 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 14 * 15 * Copyright remains Eric Young's, and as such any Copyright notices in 16 * the code are not to be removed. 17 * If this package is used in a product, Eric Young should be given attribution 18 * as the author of the parts of the library used. 19 * This can be in the form of a textual message at program startup or 20 * in documentation (online or textual) provided with the package. 21 * 22 * Redistribution and use in source and binary forms, with or without 23 * modification, are permitted provided that the following conditions 24 * are met: 25 * 1. Redistributions of source code must retain the copyright 26 * notice, this list of conditions and the following disclaimer. 27 * 2. Redistributions in binary form must reproduce the above copyright 28 * notice, this list of conditions and the following disclaimer in the 29 * documentation and/or other materials provided with the distribution. 30 * 3. All advertising materials mentioning features or use of this software 31 * must display the following acknowledgement: 32 * "This product includes cryptographic software written by 33 * Eric Young (eay (at) cryptsoft.com)" 34 * The word 'cryptographic' can be left out if the rouines from the library 35 * being used are not cryptographic related :-). 36 * 4. If you include any Windows specific code (or a derivative thereof) from 37 * the apps directory (application code) you must include an acknowledgement: 38 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 39 * 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50 * SUCH DAMAGE. 51 * 52 * The licence and distribution terms for any publically available version or 53 * derivative of this code cannot be changed. i.e. this code cannot simply be 54 * copied and put under another distribution licence 55 * [including the GNU Public Licence.] */ 56 57 #include <openssl/evp.h> 58 #include <openssl/obj.h> 59 #include <openssl/x509.h> 60 61 int X509_certificate_type(X509 *x, EVP_PKEY *pkey) 62 { 63 EVP_PKEY *pk; 64 int ret = 0, i; 65 66 if (x == NULL) 67 return (0); 68 69 if (pkey == NULL) 70 pk = X509_get_pubkey(x); 71 else 72 pk = pkey; 73 74 if (pk == NULL) 75 return (0); 76 77 switch (pk->type) { 78 case EVP_PKEY_RSA: 79 ret = EVP_PK_RSA | EVP_PKT_SIGN; 80 /* if (!sign only extension) */ 81 ret |= EVP_PKT_ENC; 82 break; 83 case EVP_PKEY_DSA: 84 ret = EVP_PK_DSA | EVP_PKT_SIGN; 85 break; 86 case EVP_PKEY_EC: 87 ret = EVP_PK_EC | EVP_PKT_SIGN | EVP_PKT_EXCH; 88 break; 89 case EVP_PKEY_DH: 90 ret = EVP_PK_DH | EVP_PKT_EXCH; 91 break; 92 case NID_id_GostR3410_94: 93 case NID_id_GostR3410_2001: 94 ret = EVP_PKT_EXCH | EVP_PKT_SIGN; 95 break; 96 default: 97 break; 98 } 99 100 i = OBJ_obj2nid(x->sig_alg->algorithm); 101 if (i && OBJ_find_sigid_algs(i, NULL, &i)) { 102 103 switch (i) { 104 case NID_rsaEncryption: 105 case NID_rsa: 106 ret |= EVP_PKS_RSA; 107 break; 108 case NID_dsa: 109 case NID_dsa_2: 110 ret |= EVP_PKS_DSA; 111 break; 112 case NID_X9_62_id_ecPublicKey: 113 ret |= EVP_PKS_EC; 114 break; 115 default: 116 break; 117 } 118 } 119 120 if (EVP_PKEY_size(pk) <= 1024 / 8) /* /8 because it's 1024 bits we look 121 * for, not bytes */ 122 ret |= EVP_PKT_EXP; 123 if (pkey == NULL) 124 EVP_PKEY_free(pk); 125 return (ret); 126 } 127
