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209 lines
6.4 KiB
C
Executable File
209 lines
6.4 KiB
C
Executable File
/* $OpenBSD: ct_prn.c,v 1.6 2021/12/18 16:34:52 tb Exp $ */
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/*
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* Written by Rob Stradling (rob@comodo.com) and Stephen Henson
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* (steve@openssl.org) for the OpenSSL project 2014.
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*/
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/* ====================================================================
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* Copyright (c) 2014 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#ifdef OPENSSL_NO_CT
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# error "CT is disabled"
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#endif
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#include <openssl/asn1.h>
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#include <openssl/bio.h>
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#include "ct_local.h"
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/*
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* XXX public api in OpenSSL 1.1.0 but this is the only thing that uses it.
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* so I am stuffing it here for the moment.
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*/
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static int
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BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
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int datalen)
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{
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int i, j = 0;
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if (datalen < 1)
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return 1;
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for (i = 0; i < datalen - 1; i++) {
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if (i && !j)
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BIO_printf(out, "%*s", indent, "");
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BIO_printf(out, "%02X:", data[i]);
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j = (j + 1) % width;
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if (!j)
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BIO_printf(out, "\n");
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}
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if (i && !j)
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BIO_printf(out, "%*s", indent, "");
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BIO_printf(out, "%02X", data[datalen - 1]);
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return 1;
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}
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static void
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SCT_signature_algorithms_print(const SCT *sct, BIO *out)
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{
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int nid = SCT_get_signature_nid(sct);
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if (nid == NID_undef)
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BIO_printf(out, "%02X%02X", sct->hash_alg, sct->sig_alg);
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else
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BIO_printf(out, "%s", OBJ_nid2ln(nid));
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}
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static void
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timestamp_print(uint64_t timestamp, BIO *out)
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{
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ASN1_GENERALIZEDTIME *gen = ASN1_GENERALIZEDTIME_new();
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char genstr[20];
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if (gen == NULL)
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return;
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ASN1_GENERALIZEDTIME_adj(gen, (time_t)0, (int)(timestamp / 86400000),
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(timestamp % 86400000) / 1000);
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/*
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* Note GeneralizedTime from ASN1_GENERALIZETIME_adj is always 15
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* characters long with a final Z. Update it with fractional seconds.
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*/
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snprintf(genstr, sizeof(genstr), "%.14sZ", ASN1_STRING_get0_data(gen));
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if (ASN1_GENERALIZEDTIME_set_string(gen, genstr))
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ASN1_GENERALIZEDTIME_print(out, gen);
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ASN1_GENERALIZEDTIME_free(gen);
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}
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const char *
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SCT_validation_status_string(const SCT *sct)
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{
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switch (SCT_get_validation_status(sct)) {
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case SCT_VALIDATION_STATUS_NOT_SET:
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return "not set";
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case SCT_VALIDATION_STATUS_UNKNOWN_VERSION:
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return "unknown version";
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case SCT_VALIDATION_STATUS_UNKNOWN_LOG:
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return "unknown log";
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case SCT_VALIDATION_STATUS_UNVERIFIED:
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return "unverified";
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case SCT_VALIDATION_STATUS_INVALID:
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return "invalid";
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case SCT_VALIDATION_STATUS_VALID:
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return "valid";
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}
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return "unknown status";
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}
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void
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SCT_print(const SCT *sct, BIO *out, int indent, const CTLOG_STORE *log_store)
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{
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const CTLOG *log = NULL;
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if (log_store != NULL) {
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log = CTLOG_STORE_get0_log_by_id(log_store, sct->log_id,
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sct->log_id_len);
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}
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BIO_printf(out, "%*sSigned Certificate Timestamp:", indent, "");
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BIO_printf(out, "\n%*sVersion : ", indent + 4, "");
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if (sct->version != SCT_VERSION_V1) {
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BIO_printf(out, "unknown\n%*s", indent + 16, "");
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BIO_hex_string(out, indent + 16, 16, sct->sct, sct->sct_len);
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return;
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}
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BIO_printf(out, "v1 (0x0)");
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if (log != NULL) {
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BIO_printf(out, "\n%*sLog : %s", indent + 4, "",
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CTLOG_get0_name(log));
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}
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BIO_printf(out, "\n%*sLog ID : ", indent + 4, "");
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BIO_hex_string(out, indent + 16, 16, sct->log_id, sct->log_id_len);
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BIO_printf(out, "\n%*sTimestamp : ", indent + 4, "");
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timestamp_print(sct->timestamp, out);
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BIO_printf(out, "\n%*sExtensions: ", indent + 4, "");
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if (sct->ext_len == 0)
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BIO_printf(out, "none");
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else
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BIO_hex_string(out, indent + 16, 16, sct->ext, sct->ext_len);
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BIO_printf(out, "\n%*sSignature : ", indent + 4, "");
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SCT_signature_algorithms_print(sct, out);
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BIO_printf(out, "\n%*s ", indent + 4, "");
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BIO_hex_string(out, indent + 16, 16, sct->sig, sct->sig_len);
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}
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void
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SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
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const char *separator, const CTLOG_STORE *log_store)
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{
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int sct_count = sk_SCT_num(sct_list);
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int i;
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for (i = 0; i < sct_count; ++i) {
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SCT *sct = sk_SCT_value(sct_list, i);
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SCT_print(sct, out, indent, log_store);
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if (i < sk_SCT_num(sct_list) - 1)
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BIO_printf(out, "%s", separator);
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}
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}
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