1 /* $OpenBSD: x_sig.c,v 1.13 2021/11/01 20:53:08 tb Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 61 #include <openssl/asn1t.h> 62 #include <openssl/x509.h> 63 64 #include "x509_lcl.h" 65 66 static const ASN1_TEMPLATE X509_SIG_seq_tt[] = { 67 { 68 .offset = offsetof(X509_SIG, algor), 69 .field_name = "algor", 70 .item = &X509_ALGOR_it, 71 }, 72 { 73 .offset = offsetof(X509_SIG, digest), 74 .field_name = "digest", 75 .item = &ASN1_OCTET_STRING_it, 76 }, 77 }; 78 79 const ASN1_ITEM X509_SIG_it = { 80 .itype = ASN1_ITYPE_SEQUENCE, 81 .utype = V_ASN1_SEQUENCE, 82 .templates = X509_SIG_seq_tt, 83 .tcount = sizeof(X509_SIG_seq_tt) / sizeof(ASN1_TEMPLATE), 84 .size = sizeof(X509_SIG), 85 .sname = "X509_SIG", 86 }; 87 88 89 X509_SIG * 90 d2i_X509_SIG(X509_SIG **a, const unsigned char **in, long len) 91 { 92 return (X509_SIG *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, 93 &X509_SIG_it); 94 } 95 96 int 97 i2d_X509_SIG(X509_SIG *a, unsigned char **out) 98 { 99 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_SIG_it); 100 } 101 102 X509_SIG * 103 X509_SIG_new(void) 104 { 105 return (X509_SIG *)ASN1_item_new(&X509_SIG_it); 106 } 107 108 void 109 X509_SIG_free(X509_SIG *a) 110 { 111 ASN1_item_free((ASN1_VALUE *)a, &X509_SIG_it); 112 } 113 114 void 115 X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg, 116 const ASN1_OCTET_STRING **pdigest) 117 { 118 if (palg != NULL) 119 *palg = sig->algor; 120 if (pdigest != NULL) 121 *pdigest = sig->digest; 122 } 123 124 void 125 X509_SIG_getm(X509_SIG *sig, X509_ALGOR **palg, ASN1_OCTET_STRING **pdigest) 126 { 127 if (palg != NULL) 128 *palg = sig->algor; 129 if (pdigest != NULL) 130 *pdigest = sig->digest; 131 } 132