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130 lines
2.6 KiB
C++
130 lines
2.6 KiB
C++
#include <qpdf/QPDFCrypto_native.hh>
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#include <qpdf/QUtil.hh>
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#ifdef USE_INSECURE_RANDOM
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# include <qpdf/InsecureRandomDataProvider.hh>
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#endif
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#include <qpdf/SecureRandomDataProvider.hh>
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static RandomDataProvider*
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getRandomProvider()
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{
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#ifdef USE_INSECURE_RANDOM
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static RandomDataProvider* insecure_random_data_provider =
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InsecureRandomDataProvider::getInstance();
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#else
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static RandomDataProvider* insecure_random_data_provider = 0;
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#endif
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static RandomDataProvider* secure_random_data_provider =
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SecureRandomDataProvider::getInstance();
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static RandomDataProvider* provider =
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(secure_random_data_provider ? secure_random_data_provider
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: insecure_random_data_provider ? insecure_random_data_provider
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: 0);
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if (provider == 0) {
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throw std::logic_error("QPDFCrypto_native has no random data provider");
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}
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return provider;
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}
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void
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QPDFCrypto_native::provideRandomData(unsigned char* data, size_t len)
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{
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getRandomProvider()->provideRandomData(data, len);
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}
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void
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QPDFCrypto_native::MD5_init()
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{
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this->md5 = std::make_shared<MD5_native>();
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}
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void
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QPDFCrypto_native::MD5_update(unsigned char const* data, size_t len)
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{
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this->md5->update(const_cast<unsigned char*>(data), len);
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}
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void
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QPDFCrypto_native::MD5_finalize()
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{
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this->md5->finalize();
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}
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void
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QPDFCrypto_native::MD5_digest(MD5_Digest d)
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{
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this->md5->digest(d);
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}
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void
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QPDFCrypto_native::RC4_init(unsigned char const* key_data, int key_len)
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{
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this->rc4 = std::make_shared<RC4_native>(key_data, key_len);
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}
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void
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QPDFCrypto_native::RC4_process(
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unsigned char* in_data, size_t len, unsigned char* out_data)
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{
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this->rc4->process(in_data, len, out_data);
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}
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void
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QPDFCrypto_native::RC4_finalize()
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{
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}
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void
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QPDFCrypto_native::SHA2_init(int bits)
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{
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this->sha2 = std::make_shared<SHA2_native>(bits);
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}
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void
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QPDFCrypto_native::SHA2_update(unsigned char const* data, size_t len)
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{
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this->sha2->update(data, len);
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}
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void
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QPDFCrypto_native::SHA2_finalize()
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{
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this->sha2->finalize();
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}
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std::string
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QPDFCrypto_native::SHA2_digest()
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{
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return this->sha2->getRawDigest();
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}
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void
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QPDFCrypto_native::rijndael_init(
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bool encrypt,
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unsigned char const* key_data,
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size_t key_len,
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bool cbc_mode,
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unsigned char* cbc_block)
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{
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this->aes_pdf = std::make_shared<AES_PDF_native>(
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encrypt, key_data, key_len, cbc_mode, cbc_block);
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}
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void
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QPDFCrypto_native::rijndael_process(
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unsigned char* in_data, unsigned char* out_data)
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{
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this->aes_pdf->update(in_data, out_data);
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}
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void
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QPDFCrypto_native::rijndael_finalize()
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{
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}
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