/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include #include #include #include #include #include #if USE_TLS_NSS #include #include #include #elif USE_TLS_OPENSSL #include #include #endif // USE_TLS_OPENSSL namespace comphelper { struct HashImpl { #if USE_TLS_NSS HASHContext* mpContext; HASH_HashType getNSSType() const { switch (meType) { case HashType::MD5: return HASH_AlgMD5; case HashType::SHA1: return HASH_AlgSHA1; case HashType::SHA256: return HASH_AlgSHA256; case HashType::SHA384: return HASH_AlgSHA384; case HashType::SHA512: return HASH_AlgSHA512; } return HASH_AlgNULL; } #elif USE_TLS_OPENSSL EVP_MD_CTX* mpContext; const EVP_MD* getOpenSSLType() const { switch (meType) { case HashType::MD5: return EVP_md5(); case HashType::SHA1: return EVP_sha1(); case HashType::SHA256: return EVP_sha256(); case HashType::SHA384: return EVP_sha384(); case HashType::SHA512: return EVP_sha512(); } return nullptr; } #endif HashType const meType; HashImpl(HashType eType): meType(eType) { #if USE_TLS_NSS if (!NSS_IsInitialized()) { auto const e = NSS_NoDB_Init(nullptr); if (e != SECSuccess) { PRErrorCode error = PR_GetError(); const char* errorText = PR_ErrorToName(error); throw css::uno::RuntimeException("NSS_NoDB_Init failed with " + OUString(errorText, strlen(errorText), RTL_TEXTENCODING_UTF8) + " (" + OUString::number(static_cast(error)) + ")"); } } mpContext = HASH_Create(getNSSType()); HASH_Begin(mpContext); #elif USE_TLS_OPENSSL mpContext = EVP_MD_CTX_create(); EVP_DigestInit_ex(mpContext, getOpenSSLType(), nullptr); #endif } ~HashImpl() { #if USE_TLS_NSS HASH_Destroy(mpContext); #elif USE_TLS_OPENSSL EVP_MD_CTX_destroy(mpContext); #endif } }; Hash::Hash(HashType eType): mpImpl(new HashImpl(eType)) { } Hash::~Hash() { } void Hash::update(const unsigned char* pInput, size_t length) { #if USE_TLS_NSS HASH_Update(mpImpl->mpContext, pInput, length); #elif USE_TLS_OPENSSL EVP_DigestUpdate(mpImpl->mpContext, pInput, length); #else (void)pInput; (void)length; #endif } std::vector Hash::finalize() { std::vector hash(getLength(), 0); unsigned int digestWrittenLength; #if USE_TLS_NSS HASH_End(mpImpl->mpContext, hash.data(), &digestWrittenLength, getLength()); #elif USE_TLS_OPENSSL EVP_DigestFinal_ex(mpImpl->mpContext, hash.data(), &digestWrittenLength); #else (void)digestWrittenLength; #endif return hash; } size_t Hash::getLength() const { switch (mpImpl->meType) { case HashType::MD5: return MD5_HASH_LENGTH; case HashType::SHA1: return SHA1_HASH_LENGTH; case HashType::SHA256: return SHA256_HASH_LENGTH; case HashType::SHA384: return SHA384_HASH_LENGTH; case HashType::SHA512: return SHA512_HASH_LENGTH; } return 0; } std::vector Hash::calculateHash(const unsigned char* pInput, size_t length, HashType eType) { Hash aHash(eType); aHash.update(pInput, length); return aHash.finalize(); } std::vector Hash::calculateHash( const unsigned char* pInput, size_t nLength, const unsigned char* pSalt, size_t nSaltLen, sal_uInt32 nSpinCount, IterCount eIterCount, HashType eType) { if (!pSalt) nSaltLen = 0; if (!nSaltLen && !nSpinCount) return calculateHash( pInput, nLength, eType); Hash aHash(eType); if (nSaltLen) { std::vector initialData( nSaltLen + nLength); std::copy( pSalt, pSalt + nSaltLen, initialData.begin()); std::copy( pInput, pInput + nLength, initialData.begin() + nSaltLen); aHash.update( initialData.data(), initialData.size()); rtl_secureZeroMemory( initialData.data(), initialData.size()); } else { aHash.update( pInput, nLength); } std::vector hash( aHash.finalize()); if (nSpinCount) { // https://msdn.microsoft.com/en-us/library/dd920692 // says the iteration is concatenated after the hash. // https://msdn.microsoft.com/en-us/library/dd924776 and // https://msdn.microsoft.com/en-us/library/dd925430 // say the iteration is prepended to the hash. const size_t nAddIter = (eIterCount == IterCount::NONE ? 0 : 4); const size_t nIterPos = (eIterCount == IterCount::APPEND ? hash.size() : 0); const size_t nHashPos = (eIterCount == IterCount::PREPEND ? nAddIter : 0); std::vector data( hash.size() + nAddIter, 0); for (sal_uInt32 i = 0; i < nSpinCount; ++i) { std::copy( hash.begin(), hash.end(), data.begin() + nHashPos); if (nAddIter) { #ifdef OSL_BIGENDIAN sal_uInt32 be = i; sal_uInt8* p = reinterpret_cast(&be); std::swap( p[0], p[3] ); std::swap( p[1], p[2] ); memcpy( data.data() + nIterPos, &be, nAddIter); #else memcpy( data.data() + nIterPos, &i, nAddIter); #endif } /* TODO: isn't there something better than * creating/finalizing/destroying on each iteration? */ Hash aReHash(eType); aReHash.update( data.data(), data.size()); hash = aReHash.finalize(); } } return hash; } std::vector Hash::calculateHash( const OUString& rPassword, const std::vector& rSaltValue, sal_uInt32 nSpinCount, IterCount eIterCount, HashType eType) { const unsigned char* pPassBytes = reinterpret_cast(rPassword.getStr()); const size_t nPassBytesLen = rPassword.getLength() * 2; #ifdef OSL_BIGENDIAN // Swap UTF16-BE to UTF16-LE std::vector vPass; if (nPassBytesLen) { vPass.resize( nPassBytesLen); std::copy( pPassBytes, pPassBytes + nPassBytesLen, vPass.begin()); unsigned char* p = vPass.data(); unsigned char const * const pEnd = p + nPassBytesLen; for ( ; p < pEnd; p += 2 ) { std::swap( p[0], p[1] ); } pPassBytes = vPass.data(); } #endif return calculateHash( pPassBytes, nPassBytesLen, rSaltValue.data(), rSaltValue.size(), nSpinCount, eIterCount, eType); } } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 0'>distro/mimo/mimo-7-0 LibreOffice 核心代码仓库文档基金会
summaryrefslogtreecommitdiff
path: root/svx/source/accessibility/DescriptionGenerator.cxx
AgeCommit message (Expand)Author
2024-05-11loplugin:ostr in svxNoel Grandin
2022-07-21clang-tidy modernize-pass-by-value in svxNoel Grandin
2021-10-11In O[U]StringBuffer, make string_view params replacements for OUString onesStephan Bergmann
2021-08-05Pass context and resource string down to boost::locale separatelyNoel Grandin
2021-01-29loplugin:stringviewparam extend to new..Noel
2020-11-16tdf#123936 Formatting files in module svx with clang-formatPhilipp Hofer
2020-10-26switching long to a 64-bit type on 64-bit windowsNoel
2020-08-06loplugin:flatten in svx/accessibilityNoel Grandin
2020-04-27Make upcasting css::uno::Reference ctor require complete typesStephan Bergmann
2020-02-12move some svx/ headers inside the moduleNoel Grandin
2020-02-03loplugin:constantparamNoel Grandin
2020-01-17tdf#42949 Fix IWYU warnings in svx/source/[a-e]*/*cxx and svx/qa/Gabor Kelemen
2019-10-22loplugin:constantparamNoel Grandin
2019-09-01loplugin:unusedmethodsNoel Grandin
2019-08-26loplugin:unusedenumconstantsNoel Grandin
2019-07-24remove unused accessibility::DescriptionGenerator::PropertyType::FillStyleNoel Grandin
2019-06-14loplugin:unusedmethodsNoel Grandin
2019-06-12loplugin:unusedmethodsNoel Grandin
2018-10-19clang-tidy modernize-redundant-void-argNoel Grandin
2018-04-01remove unused processfactory.hxx includesJochen Nitschke
2017-12-20long->sal_uInt16 in SvxShapeNoel Grandin
2017-10-23loplugin:includeform: svxStephan Bergmann
2017-07-21migrate to boost::gettextCaolán McNamara
2017-06-18remove unused osl/mutex.hxx includesJochen Nitschke
2017-05-19loplugin:stringcopy: svxStephan Bergmann
2017-05-19make string translation loading more uniformCaolán McNamara
2017-03-31use actual UNO enums in svxNoel Grandin
2016-08-30convert DescriptionGenerator::PropertyType to scoped enumNoel Grandin
2016-02-09Remove excess newlinesChris Sherlock