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706457b7bd
Apart from public and internal header files, there is a third type called local header files, which are located next to source files in the source directory. Currently, they have different suffixes like '*_lcl.h', '*_local.h', or '*_int.h' This commit changes the different suffixes to '*_local.h' uniformly. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9333)
100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
/*
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* Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "internal/cryptlib.h"
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#include <openssl/asn1t.h>
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#include <openssl/pem.h>
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#include <openssl/x509v3.h>
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#include <openssl/err.h>
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#include <openssl/cms.h>
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#include "cms_local.h"
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/* CMS DigestedData Utilities */
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CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md)
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{
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CMS_ContentInfo *cms;
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CMS_DigestedData *dd;
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cms = CMS_ContentInfo_new();
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if (cms == NULL)
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return NULL;
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dd = M_ASN1_new_of(CMS_DigestedData);
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if (dd == NULL)
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goto err;
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cms->contentType = OBJ_nid2obj(NID_pkcs7_digest);
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cms->d.digestedData = dd;
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dd->version = 0;
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dd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data);
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X509_ALGOR_set_md(dd->digestAlgorithm, md);
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return cms;
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err:
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CMS_ContentInfo_free(cms);
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return NULL;
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}
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BIO *cms_DigestedData_init_bio(const CMS_ContentInfo *cms)
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{
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CMS_DigestedData *dd;
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dd = cms->d.digestedData;
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return cms_DigestAlgorithm_init_bio(dd->digestAlgorithm);
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}
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int cms_DigestedData_do_final(const CMS_ContentInfo *cms, BIO *chain, int verify)
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{
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EVP_MD_CTX *mctx = EVP_MD_CTX_new();
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unsigned char md[EVP_MAX_MD_SIZE];
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unsigned int mdlen;
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int r = 0;
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CMS_DigestedData *dd;
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if (mctx == NULL) {
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CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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dd = cms->d.digestedData;
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if (!cms_DigestAlgorithm_find_ctx(mctx, chain, dd->digestAlgorithm))
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goto err;
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if (EVP_DigestFinal_ex(mctx, md, &mdlen) <= 0)
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goto err;
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if (verify) {
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if (mdlen != (unsigned int)dd->digest->length) {
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CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL,
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CMS_R_MESSAGEDIGEST_WRONG_LENGTH);
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goto err;
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}
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if (memcmp(md, dd->digest->data, mdlen))
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CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL,
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CMS_R_VERIFICATION_FAILURE);
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else
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r = 1;
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} else {
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if (!ASN1_STRING_set(dd->digest, md, mdlen))
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goto err;
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r = 1;
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}
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err:
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EVP_MD_CTX_free(mctx);
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return r;
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}
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