208 lines
6 KiB
C
208 lines
6 KiB
C
/*
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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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#ifndef OPENSSL_NO_CT
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# include <limits.h>
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# include "internal/cryptlib.h"
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# include "../ssl/ssl_locl.h"
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# include "internal/ct_int.h"
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SCT *SCT_new(void)
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{
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SCT *sct = OPENSSL_zalloc(sizeof(SCT));
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if (sct == NULL) {
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CTerr(CT_F_SCT_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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sct->entry_type = UNSET_ENTRY;
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sct->version = UNSET_VERSION;
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return sct;
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}
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void SCT_free(SCT *sct)
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{
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if (sct) {
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OPENSSL_free(sct->log_id);
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OPENSSL_free(sct->ext);
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OPENSSL_free(sct->sig);
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OPENSSL_free(sct->sct);
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OPENSSL_free(sct);
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}
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}
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int SCT_set_version(SCT *sct, sct_version_t version)
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{
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if (version != SCT_V1) {
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CTerr(CT_F_SCT_SET_VERSION, CT_R_UNSUPPORTED_VERSION);
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return 0;
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}
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sct->version = version;
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return 1;
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}
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int SCT_set_log_entry_type(SCT *sct, log_entry_type_t entry_type)
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{
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if (entry_type != X509_ENTRY && entry_type != PRECERT_ENTRY) {
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CTerr(CT_F_SCT_SET_LOG_ENTRY_TYPE, CT_R_UNSUPPORTED_ENTRY_TYPE);
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return 0;
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}
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sct->entry_type = entry_type;
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return 1;
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}
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int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len)
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{
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/* Currently only SHA-256 allowed so length must be SCT_V1_HASHLEN */
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if (log_id_len != SCT_V1_HASHLEN) {
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CTerr(CT_F_SCT_SET0_LOG_ID, CT_R_INVALID_LOG_ID_LENGTH);
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return 0;
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}
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OPENSSL_free(sct->log_id);
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sct->log_id = log_id;
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sct->log_id_len = log_id_len;
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return 1;
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}
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void SCT_set_timestamp(SCT *sct, uint64_t timestamp)
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{
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sct->timestamp = timestamp;
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}
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int SCT_set_signature_nid(SCT *sct, int nid)
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{
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switch (nid) {
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case NID_sha256WithRSAEncryption:
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sct->hash_alg = TLSEXT_hash_sha256;
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sct->sig_alg = TLSEXT_signature_rsa;
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return 1;
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case NID_ecdsa_with_SHA256:
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sct->hash_alg = TLSEXT_hash_sha256;
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sct->sig_alg = TLSEXT_signature_ecdsa;
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return 1;
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default:
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CTerr(CT_F_SCT_SET_SIGNATURE_NID, CT_R_UNRECOGNIZED_SIGNATURE_NID);
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return 0;
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}
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}
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void SCT_set0_extensions(SCT *sct, unsigned char *ext, size_t ext_len)
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{
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OPENSSL_free(sct->ext);
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sct->ext = ext;
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sct->ext_len = ext_len;
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}
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void SCT_set0_signature(SCT *sct, unsigned char *sig, size_t sig_len)
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{
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OPENSSL_free(sct->sig);
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sct->sig = sig;
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sct->sig_len = sig_len;
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}
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sct_version_t SCT_get_version(const SCT *sct)
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{
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return sct->version;
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}
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log_entry_type_t SCT_get_log_entry_type(const SCT *sct)
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{
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return sct->entry_type;
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}
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size_t SCT_get0_log_id(const SCT *sct, unsigned char **log_id)
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{
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*log_id = sct->log_id;
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return sct->log_id_len;
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}
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uint64_t SCT_get_timestamp(const SCT *sct)
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{
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return sct->timestamp;
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}
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int SCT_get_signature_nid(const SCT *sct)
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{
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if (sct->version == SCT_V1) {
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if (sct->hash_alg == TLSEXT_hash_sha256) {
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switch (sct->sig_alg) {
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case TLSEXT_signature_ecdsa:
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return NID_ecdsa_with_SHA256;
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case TLSEXT_signature_rsa:
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return NID_sha256WithRSAEncryption;
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default:
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return NID_undef;
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}
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}
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}
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return NID_undef;
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}
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size_t SCT_get0_extensions(const SCT *sct, unsigned char **ext)
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{
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*ext = sct->ext;
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return sct->ext_len;
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}
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size_t SCT_get0_signature(const SCT *sct, unsigned char **sig)
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{
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*sig = sct->sig;
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return sct->sig_len;
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}
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#endif
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