From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/ct/ct_vfy.c | 195 ------------------------------------------ 1 file changed, 195 deletions(-) delete mode 100644 src/lib/libcrypto/ct/ct_vfy.c (limited to 'src/lib/libcrypto/ct/ct_vfy.c') diff --git a/src/lib/libcrypto/ct/ct_vfy.c b/src/lib/libcrypto/ct/ct_vfy.c deleted file mode 100644 index 424117263a..0000000000 --- a/src/lib/libcrypto/ct/ct_vfy.c +++ /dev/null @@ -1,195 +0,0 @@ -/* $OpenBSD: ct_vfy.c,v 1.6 2022/01/06 14:34:40 jsing Exp $ */ -/* - * Written by Rob Stradling (rob@comodo.com) and Stephen Henson - * (steve@openssl.org) for the OpenSSL project 2014. - */ -/* ==================================================================== - * Copyright (c) 2014 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 -#include - -#include "ct_local.h" - -typedef enum sct_signature_type_t { - SIGNATURE_TYPE_NOT_SET = -1, - SIGNATURE_TYPE_CERT_TIMESTAMP, - SIGNATURE_TYPE_TREE_HASH -} SCT_SIGNATURE_TYPE; - -/* - * Update encoding for SCT signature verification/generation to supplied - * EVP_MD_CTX. - */ -static int -sct_ctx_update(EVP_MD_CTX *ctx, const SCT_CTX *sctx, const SCT *sct) -{ - CBB cbb, entry, extensions; - uint8_t *data = NULL; - size_t data_len; - int ret = 0; - - memset(&cbb, 0, sizeof(cbb)); - - if (sct->entry_type == CT_LOG_ENTRY_TYPE_NOT_SET) - goto err; - if (sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT && sctx->ihash == NULL) - goto err; - - if (!CBB_init(&cbb, 0)) - goto err; - - /* - * Build the digitally-signed struct per RFC 6962 section 3.2. - */ - if (!CBB_add_u8(&cbb, sct->version)) - goto err; - if (!CBB_add_u8(&cbb, SIGNATURE_TYPE_CERT_TIMESTAMP)) - goto err; - if (!CBB_add_u64(&cbb, sct->timestamp)) - goto err; - if (!CBB_add_u16(&cbb, sct->entry_type)) - goto err; - - if (sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT) { - if (!CBB_add_bytes(&cbb, sctx->ihash, sctx->ihashlen)) - goto err; - } - - if (!CBB_add_u24_length_prefixed(&cbb, &entry)) - goto err; - if (sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT) { - if (sctx->preder == NULL) - goto err; - if (!CBB_add_bytes(&entry, sctx->preder, sctx->prederlen)) - goto err; - } else { - if (sctx->certder == NULL) - goto err; - if (!CBB_add_bytes(&entry, sctx->certder, sctx->certderlen)) - goto err; - } - - if (!CBB_add_u16_length_prefixed(&cbb, &extensions)) - goto err; - if (sct->ext_len > 0) { - if (!CBB_add_bytes(&extensions, sct->ext, sct->ext_len)) - goto err; - } - - if (!CBB_finish(&cbb, &data, &data_len)) - goto err; - - if (!EVP_DigestUpdate(ctx, data, data_len)) - goto err; - - ret = 1; - - err: - CBB_cleanup(&cbb); - free(data); - - return ret; -} - -int -SCT_CTX_verify(const SCT_CTX *sctx, const SCT *sct) -{ - EVP_MD_CTX *ctx = NULL; - int ret = 0; - - if (!SCT_is_complete(sct) || sctx->pkey == NULL || - sct->entry_type == CT_LOG_ENTRY_TYPE_NOT_SET || - (sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT && - sctx->ihash == NULL)) { - CTerror(CT_R_SCT_NOT_SET); - return 0; - } - if (sct->version != SCT_VERSION_V1) { - CTerror(CT_R_SCT_UNSUPPORTED_VERSION); - return 0; - } - if (sct->log_id_len != sctx->pkeyhashlen || - memcmp(sct->log_id, sctx->pkeyhash, sctx->pkeyhashlen) != 0) { - CTerror(CT_R_SCT_LOG_ID_MISMATCH); - return 0; - } - if (sct->timestamp > sctx->epoch_time_in_ms) { - CTerror(CT_R_SCT_FUTURE_TIMESTAMP); - return 0; - } - - if ((ctx = EVP_MD_CTX_new()) == NULL) - goto end; - - if (!EVP_DigestVerifyInit(ctx, NULL, EVP_sha256(), NULL, sctx->pkey)) - goto end; - - if (!sct_ctx_update(ctx, sctx, sct)) - goto end; - - /* Verify signature */ - /* If ret < 0 some other error: fall through without setting error */ - if ((ret = EVP_DigestVerifyFinal(ctx, sct->sig, sct->sig_len)) == 0) - CTerror(CT_R_SCT_INVALID_SIGNATURE); - - end: - EVP_MD_CTX_free(ctx); - - return ret; -} -- cgit v1.2.3-55-g6feb