/* $OpenBSD: x_algor.c,v 1.23 2021/12/12 14:27:20 tb Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 2000. */ /* ==================================================================== * Copyright (c) 2000 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 #include #include static const ASN1_TEMPLATE X509_ALGOR_seq_tt[] = { { .offset = offsetof(X509_ALGOR, algorithm), .field_name = "algorithm", .item = &ASN1_OBJECT_it, }, { .flags = ASN1_TFLG_OPTIONAL, .offset = offsetof(X509_ALGOR, parameter), .field_name = "parameter", .item = &ASN1_ANY_it, }, }; const ASN1_ITEM X509_ALGOR_it = { .itype = ASN1_ITYPE_SEQUENCE, .utype = V_ASN1_SEQUENCE, .templates = X509_ALGOR_seq_tt, .tcount = sizeof(X509_ALGOR_seq_tt) / sizeof(ASN1_TEMPLATE), .size = sizeof(X509_ALGOR), .sname = "X509_ALGOR", }; static const ASN1_TEMPLATE X509_ALGORS_item_tt = { .flags = ASN1_TFLG_SEQUENCE_OF, .tag = 0, .offset = 0, .field_name = "algorithms", .item = &X509_ALGOR_it, }; const ASN1_ITEM X509_ALGORS_it = { .itype = ASN1_ITYPE_PRIMITIVE, .utype = -1, .templates = &X509_ALGORS_item_tt, .tcount = 0, .funcs = NULL, .size = 0, .sname = "X509_ALGORS", }; X509_ALGOR * d2i_X509_ALGOR(X509_ALGOR **a, const unsigned char **in, long len) { return (X509_ALGOR *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &X509_ALGOR_it); } int i2d_X509_ALGOR(X509_ALGOR *a, unsigned char **out) { return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGOR_it); } X509_ALGOR * X509_ALGOR_new(void) { return (X509_ALGOR *)ASN1_item_new(&X509_ALGOR_it); } void X509_ALGOR_free(X509_ALGOR *a) { ASN1_item_free((ASN1_VALUE *)a, &X509_ALGOR_it); } X509_ALGORS * d2i_X509_ALGORS(X509_ALGORS **a, const unsigned char **in, long len) { return (X509_ALGORS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, &X509_ALGORS_it); } int i2d_X509_ALGORS(X509_ALGORS *a, unsigned char **out) { return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGORS_it); } X509_ALGOR * X509_ALGOR_dup(X509_ALGOR *x) { return ASN1_item_dup(&X509_ALGOR_it, x); } int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval) { if (!alg) return 0; if (ptype != V_ASN1_UNDEF) { if (alg->parameter == NULL) alg->parameter = ASN1_TYPE_new(); if (alg->parameter == NULL) return 0; } if (alg) { if (alg->algorithm) ASN1_OBJECT_free(alg->algorithm); alg->algorithm = aobj; } if (ptype == 0) return 1; if (ptype == V_ASN1_UNDEF) { if (alg->parameter) { ASN1_TYPE_free(alg->parameter); alg->parameter = NULL; } } else ASN1_TYPE_set(alg->parameter, ptype, pval); return 1; } void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype, const void **ppval, const X509_ALGOR *algor) { if (paobj) *paobj = algor->algorithm; if (pptype) { if (algor->parameter == NULL) { *pptype = V_ASN1_UNDEF; return; } else *pptype = algor->parameter->type; if (ppval) *ppval = algor->parameter->value.ptr; } } /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */ void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md) { int param_type = V_ASN1_NULL; if ((EVP_MD_flags(md) & EVP_MD_FLAG_DIGALGID_ABSENT) != 0) param_type = V_ASN1_UNDEF; X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL); } /* Returns 0 if they are equal, != 0 otherwise. */ int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b) { int rv = OBJ_cmp(a->algorithm, b->algorithm); if (!rv) { if (!a->parameter && !b->parameter) rv = 0; else rv = ASN1_TYPE_cmp(a->parameter, b->parameter); } return(rv); }