/* $OpenBSD: v3_skey.c,v 1.16 2018/05/19 10:37:02 tb Exp $ */ /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL * project 1999. */ /* ==================================================================== * Copyright (c) 1999 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 ASN1_OCTET_STRING *s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str); const X509V3_EXT_METHOD v3_skey_id = { .ext_nid = NID_subject_key_identifier, .ext_flags = 0, .it = &ASN1_OCTET_STRING_it, .ext_new = NULL, .ext_free = NULL, .d2i = NULL, .i2d = NULL, .i2s = (X509V3_EXT_I2S)i2s_ASN1_OCTET_STRING, .s2i = (X509V3_EXT_S2I)s2i_skey_id, .i2v = NULL, .v2i = NULL, .i2r = NULL, .r2i = NULL, .usr_data = NULL, }; char * i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, const ASN1_OCTET_STRING *oct) { return hex_to_string(oct->data, oct->length); } ASN1_OCTET_STRING * s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, const char *str) { ASN1_OCTET_STRING *oct; long length; if (!(oct = ASN1_OCTET_STRING_new())) { X509V3error(ERR_R_MALLOC_FAILURE); return NULL; } if (!(oct->data = string_to_hex(str, &length))) { ASN1_OCTET_STRING_free(oct); return NULL; } oct->length = length; return oct; } static ASN1_OCTET_STRING * s2i_skey_id(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str) { ASN1_OCTET_STRING *oct; ASN1_BIT_STRING *pk; unsigned char pkey_dig[EVP_MAX_MD_SIZE]; unsigned int diglen; if (strcmp(str, "hash")) return s2i_ASN1_OCTET_STRING(method, ctx, str); if (!(oct = ASN1_OCTET_STRING_new())) { X509V3error(ERR_R_MALLOC_FAILURE); return NULL; } if (ctx && (ctx->flags == CTX_TEST)) return oct; if (!ctx || (!ctx->subject_req && !ctx->subject_cert)) { X509V3error(X509V3_R_NO_PUBLIC_KEY); goto err; } if (ctx->subject_req) pk = ctx->subject_req->req_info->pubkey->public_key; else pk = ctx->subject_cert->cert_info->key->public_key; if (!pk) { X509V3error(X509V3_R_NO_PUBLIC_KEY); goto err; } if (!EVP_Digest(pk->data, pk->length, pkey_dig, &diglen, EVP_sha1(), NULL)) goto err; if (!ASN1_STRING_set(oct, pkey_dig, diglen)) { X509V3error(ERR_R_MALLOC_FAILURE); goto err; } return oct; err: ASN1_OCTET_STRING_free(oct); return NULL; }